projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| c143ef62 MM |
1 | # |
| 2 | # This file is part of the program psim. | |
| 3 | # | |
| 4 | # Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au> | |
| 5 | # | |
| 6 | # -- | |
| 7 | # | |
| 8 | # The pseudo-code that appears below, translated into C, was copied | |
| 9 | # by Andrew Cagney of Moss Vale, Australia. | |
| 10 | # | |
| 11 | # This pseudo-code is copied by permission from the publication | |
| 12 | # "The PowerPC Architecture: A Specification for A New Family of | |
| 13 | # RISC Processors" (ISBN 1-55860-316-6) copyright 1993, 1994 by | |
| 14 | # International Business Machines Corporation. | |
| 15 | # | |
| 16 | # THIS PERMISSION IS PROVIDED WITHOUT WARRANTY OF ANY KIND, EITHER | |
| 17 | # EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES | |
| 18 | # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
| 19 | # | |
| 20 | # -- | |
| 21 | # | |
| 22 | # This program is free software; you can redistribute it and/or modify | |
| 23 | # it under the terms of the GNU General Public License as published by | |
| 24 | # the Free Software Foundation; either version 2 of the License, or | |
| 25 | # (at your option) any later version. | |
| 26 | # | |
| 27 | # This program is distributed in the hope that it will be useful, | |
| 28 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 29 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 30 | # GNU General Public License for more details. | |
| 31 | # | |
| 32 | # You should have received a copy of the GNU General Public License | |
| 33 | # along with this program; if not, write to the Free Software | |
| 34 | # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
| 35 | # | |
| 36 | # -- | |
| 37 | # | |
| 38 | # | |
| 39 | # Fields: | |
| 40 | # | |
| 41 | # 1 Instruction format as a `start-bit,content' pairs. | |
| 42 | # the content is one of a digit, field name or `/' (aka.0) | |
| 43 | # | |
| 44 | # 2 Format specifier | |
| 45 | # | |
| 46 | # 3 Flags: 64 - 64bit only | |
| 47 | # f - floating point enabled required | |
| 48 | # | |
| 49 | # 4 short name | |
| 50 | # | |
| 51 | # 5 Description | |
| 52 | # | |
| 28816f45 MM |
53 | # |
| 54 | # For flags marked 'model', the fields are interpreted as follows: | |
| 55 | # | |
| 56 | # 1 Not used | |
| 57 | # | |
| 58 | # 2 Not used | |
| 59 | # | |
| 60 | # 3 "macro" | |
| 61 | # | |
| 62 | # 4 String name for model | |
| 63 | # | |
| 64 | # 5 Specific CPU model, must be an identifier | |
| 65 | # | |
| 66 | # 6 Comma separated list of functional units | |
| 845ff5a4 | 67 | |
| 4a0351ab | 68 | \f |
| 80948f39 | 69 | # PowerPC models |
| 54e98699 MM |
70 | ::model:604:ppc604: PPC_UNIT_BAD, PPC_UNIT_BAD, 1, 1, 0 |
| 71 | ::model:603e:ppc603e:PPC_UNIT_BAD, PPC_UNIT_BAD, 1, 1, 0 | |
| 72 | ::model:603:ppc603: PPC_UNIT_BAD, PPC_UNIT_BAD, 1, 1, 0 | |
| 73 | ::model:601:ppc601: PPC_UNIT_BAD, PPC_UNIT_BAD, 1, 1, 0 | |
| 28816f45 MM |
74 | |
| 75 | # Flags for model.h | |
| 45525d8d MM |
76 | ::model-macro::: |
| 77 | #define PPC_INSN_INT(OUT_MASK, IN_MASK, RC) \ | |
| f2181eff | 78 | do { \ |
| 290ad14a | 79 | if (CURRENT_MODEL_ISSUE > 0) { \ |
| f2181eff MM |
80 | if (RC) \ |
| 81 | ppc_insn_int(my_index, cpu_model(processor), OUT_MASK, IN_MASK); \ | |
| 82 | else \ | |
| 83 | ppc_insn_int_cr(my_index, cpu_model(processor), OUT_MASK, IN_MASK, 1 << 0); \ | |
| 84 | } \ | |
| 85 | } while (0) | |
| 45525d8d MM |
86 | |
| 87 | #define PPC_INSN_INT_CR(OUT_MASK, IN_MASK, CR_MASK) \ | |
| f2181eff | 88 | do { \ |
| 290ad14a | 89 | if (CURRENT_MODEL_ISSUE > 0) \ |
| f2181eff MM |
90 | ppc_insn_int_cr(my_index, cpu_model(processor), OUT_MASK, IN_MASK, CR_MASK); \ |
| 91 | } while (0) | |
| 45525d8d MM |
92 | |
| 93 | #define PPC_INSN_CR(OUT_MASK, IN_MASK) \ | |
| f2181eff | 94 | do { \ |
| 290ad14a | 95 | if (CURRENT_MODEL_ISSUE > 0) \ |
| f2181eff MM |
96 | ppc_insn_cr(my_index, cpu_model(processor), OUT_MASK, IN_MASK); \ |
| 97 | } while (0) | |
| 45525d8d MM |
98 | |
| 99 | #define PPC_INSN_FLOAT(OUT_MASK, IN_MASK, RC) \ | |
| f2181eff | 100 | do { \ |
| 290ad14a | 101 | if (CURRENT_MODEL_ISSUE > 0) { \ |
| f2181eff MM |
102 | if (RC) \ |
| 103 | ppc_insn_float(my_index, cpu_model(processor), OUT_MASK, IN_MASK); \ | |
| 104 | else \ | |
| 105 | ppc_insn_float_cr(my_index, cpu_model(processor), OUT_MASK, IN_MASK, 1 << 0); \ | |
| 106 | } \ | |
| 107 | } while (0) | |
| 45525d8d MM |
108 | |
| 109 | #define PPC_INSN_FLOAT_CR(OUT_MASK, IN_MASK, CR_MASK) \ | |
| f2181eff | 110 | do { \ |
| 290ad14a | 111 | if (CURRENT_MODEL_ISSUE > 0) \ |
| f2181eff MM |
112 | ppc_insn_float_cr(my_index, cpu_model(processor), OUT_MASK, IN_MASK, CR_MASK); \ |
| 113 | } while (0) | |
| 45525d8d MM |
114 | |
| 115 | #define PPC_INSN_INT_FLOAT(OUT_INT_MASK, OUT_FP_MASK, IN_INT_MASK, IN_FP_MASK) \ | |
| f2181eff | 116 | do { \ |
| 290ad14a | 117 | if (CURRENT_MODEL_ISSUE > 0) \ |
| f2181eff MM |
118 | ppc_insn_int_float(my_index, cpu_model(processor), OUT_INT_MASK, OUT_FP_MASK, IN_INT_MASK, IN_FP_MASK); \ |
| 119 | } while (0) | |
| 45525d8d MM |
120 | |
| 121 | #define PPC_INSN_FROM_SPR(INT_MASK, SPR) \ | |
| f2181eff | 122 | do { \ |
| 290ad14a | 123 | if (CURRENT_MODEL_ISSUE > 0) \ |
| f2181eff MM |
124 | ppc_insn_from_spr(my_index, cpu_model(processor), INT_MASK, SPR); \ |
| 125 | } while (0) | |
| 45525d8d MM |
126 | |
| 127 | #define PPC_INSN_TO_SPR(INT_MASK, SPR) \ | |
| f2181eff | 128 | do { \ |
| 290ad14a | 129 | if (CURRENT_MODEL_ISSUE > 0) \ |
| f2181eff MM |
130 | ppc_insn_to_spr(my_index, cpu_model(processor), INT_MASK, SPR); \ |
| 131 | } while (0) | |
| 45525d8d MM |
132 | |
| 133 | #define PPC_INSN_MFCR(INT_MASK) \ | |
| f2181eff | 134 | do { \ |
| 290ad14a | 135 | if (CURRENT_MODEL_ISSUE > 0) \ |
| f2181eff MM |
136 | ppc_insn_mfcr(my_index, cpu_model(processor), INT_MASK); \ |
| 137 | } while (0) | |
| 138 | ||
| 139 | #define PPC_INSN_MTCR(INT_MASK, FXM) \ | |
| 140 | do { \ | |
| 290ad14a | 141 | if (CURRENT_MODEL_ISSUE > 0) \ |
| f2181eff MM |
142 | ppc_insn_mtcr(my_index, cpu_model(processor), INT_MASK, FXM); \ |
| 143 | } while (0) | |
| 45525d8d | 144 | |
| 80948f39 MM |
145 | ::model-data::: |
| 146 | typedef enum _ppc_function_unit { | |
| 845ff5a4 MM |
147 | PPC_UNIT_BAD, /* unknown function unit */ |
| 148 | PPC_UNIT_IU, /* integer unit (601/603 style) */ | |
| 149 | PPC_UNIT_SRU, /* system register unit (601/603 style) */ | |
| 150 | PPC_UNIT_SCIU1, /* 1st single cycle integer unit (604 style) */ | |
| 151 | PPC_UNIT_SCIU2, /* 2nd single cycle integer unit (604 style) */ | |
| 152 | PPC_UNIT_MCIU, /* multiple cycle integer unit (604 style) */ | |
| 153 | PPC_UNIT_FPU, /* floating point unit */ | |
| 154 | PPC_UNIT_LSU, /* load/store unit */ | |
| 155 | PPC_UNIT_BPU, /* branch unit */ | |
| 80948f39 MM |
156 | nr_ppc_function_units |
| 157 | } ppc_function_unit; | |
| 845ff5a4 | 158 | |
| 80948f39 MM |
159 | /* Structure to hold timing information on a per instruction basis */ |
| 160 | struct _model_time { | |
| 4220dcd6 | 161 | ppc_function_unit first_unit; /* first functional unit this insn could use */ |
| 0bcce7d3 | 162 | ppc_function_unit second_unit; /* second functional unit this insn could use */ |
| 4220dcd6 MM |
163 | signed16 issue; /* # cycles before function unit can process other insns */ |
| 164 | signed16 done; /* # cycles before insn is done */ | |
| 54e98699 | 165 | unsigned32 flags; /* any flags that are needed */ |
| 80948f39 | 166 | }; |
| 845ff5a4 | 167 | |
| 4a0351ab MM |
168 | /* Register mappings in status masks */ |
| 169 | #define PPC_CR_REG 0 /* start of CR0 .. CR7 */ | |
| 170 | #define PPC_FPSCR_REG (PPC_CR_REG + 8) /* start of fpscr register */ | |
| 171 | ||
| 172 | #define PPC_NO_SPR (-1) /* flag for no SPR register */ | |
| 4220dcd6 | 173 | |
| 290ad14a MM |
174 | /* Return if 1 bit set */ |
| 175 | #define PPC_ONE_BIT_SET_P(x) (((x) & ((x)-1)) == 0) | |
| 176 | ||
| 4220dcd6 MM |
177 | /* Structure for each functional unit that is busy */ |
| 178 | typedef struct _model_busy model_busy; | |
| 179 | struct _model_busy { | |
| 180 | model_busy *next; /* next function unit */ | |
| 4220dcd6 | 181 | ppc_function_unit unit; /* function unit name */ |
| 4a0351ab MM |
182 | unsigned32 int_busy; /* int registers that are busy */ |
| 183 | unsigned32 fp_busy; /* floating point registers that are busy */ | |
| 184 | unsigned32 cr_fpscr_busy; /* CR/FPSCR registers that are busy */ | |
| 185 | signed16 spr_busy; /* SPR register that is busy or PPC_NO_SPR */ | |
| 290ad14a MM |
186 | signed16 issue; /* # of cycles until unit can accept another insn */ |
| 187 | signed16 done; /* # of cycles until insn is done */ | |
| 188 | signed16 nr_writebacks; /* # of registers this unit writes back */ | |
| 4220dcd6 | 189 | }; |
| 845ff5a4 | 190 | |
| 80948f39 MM |
191 | /* Structure to hold the current state information for the simulated CPU model */ |
| 192 | struct _model_data { | |
| 4220dcd6 | 193 | cpu *processor; /* point back to processor */ |
| 80948f39 MM |
194 | const char *name; /* model name */ |
| 195 | const model_time *timing; /* timing information */ | |
| 290ad14a MM |
196 | model_busy busy_head; /* dummy entry to head list of busy function units */ |
| 197 | model_busy *busy_tail; /* tail of list of busy function units */ | |
| 4220dcd6 | 198 | model_busy *free_list; /* list of model_busy structs not in use */ |
| 4220dcd6 MM |
199 | count_type nr_cycles; /* # cycles */ |
| 200 | count_type nr_branches; /* # branches */ | |
| 201 | count_type nr_branches_fallthrough; /* # conditional branches that fell through */ | |
| 202 | count_type nr_branch_predict_trues; /* # branches predicted correctly */ | |
| 203 | count_type nr_branch_predict_falses; /* # branches predicted incorrectly */ | |
| 46c065ab | 204 | count_type nr_branch_conditional[32]; /* # of each type of bc */ |
| f2181eff | 205 | count_type nr_mtcrf_crs[9]; /* # of CR's moved in a mtcrf instruction */ |
| 54e98699 MM |
206 | count_type nr_stalls_data; /* # of stalls for data */ |
| 207 | count_type nr_stalls_unit; /* # of stalls waiting for a function unit */ | |
| 208 | count_type nr_stalls_serialize; /* # of stalls waiting for things to quiet down */ | |
| 290ad14a | 209 | count_type nr_stalls_writeback; /* # of stalls waiting for a writeback slot */ |
| 4220dcd6 | 210 | count_type nr_units[nr_ppc_function_units]; /* function unit counts */ |
| 290ad14a | 211 | int max_nr_writebacks; /* max # of writeback slots available */ |
| 4a0351ab MM |
212 | unsigned32 int_busy; /* int registers that are busy */ |
| 213 | unsigned32 fp_busy; /* floating point registers that are busy */ | |
| 214 | unsigned32 cr_fpscr_busy; /* CR/FPSCR registers that are busy */ | |
| 215 | unsigned8 spr_busy[nr_of_sprs]; /* SPR registers that are busy */ | |
| 216 | unsigned8 busy[nr_ppc_function_units]; /* whether a function is busy or not */ | |
| 80948f39 | 217 | }; |
| 845ff5a4 | 218 | |
| 4ffd6ed0 | 219 | static const char *const ppc_function_unit_name[ (int)nr_ppc_function_units ] = { |
| 845ff5a4 MM |
220 | "unknown functional unit instruction", |
| 221 | "integer functional unit instruction", | |
| 222 | "system register functional unit instruction", | |
| 223 | "1st single cycle integer functional unit instruction", | |
| 224 | "2nd single cycle integer functional unit instruction", | |
| 225 | "multiple cycle integer functional unit instruction", | |
| 226 | "floating point functional unit instruction", | |
| 227 | "load/store functional unit instruction", | |
| 228 | "branch functional unit instruction", | |
| 80948f39 MM |
229 | }; |
| 230 | ||
| 4ffd6ed0 | 231 | static const char *const ppc_branch_conditional_name[32] = { |
| 46c065ab MM |
232 | "branch if --CTR != 0 and condition is FALSE", /* 0000y */ |
| 233 | "branch if --CTR != 0 and condition is FALSE, reverse branch likely", | |
| 234 | "branch if --CTR == 0 and condition is FALSE", /* 0001y */ | |
| 235 | "branch if --CTR == 0 and condition is FALSE, reverse branch likely", | |
| 236 | "branch if the condition is FALSE", /* 001zy */ | |
| 237 | "branch if the condition is FALSE, reverse branch likely", | |
| 238 | "branch if the condition is FALSE (ignored bit 1 set to 1)", /* 001zy */ | |
| 239 | "branch if the condition is FALSE, reverse branch likely (ignored bit 4 set to 1)", | |
| 240 | "branch if --CTR != 0 and condition is TRUE", /* 0100y */ | |
| 241 | "branch if --CTR != 0 and condition is TRUE, reverse branch likely", | |
| 242 | "branch if --CTR == 0 and condition is TRUE", /* 0101y */ | |
| 243 | "branch if --CTR == 0 and condition is TRUE, reverse branch likely", | |
| 244 | "branch if the condition is TRUE", /* 011zy */ | |
| 245 | "branch if the condition is TRUE, reverse branch likely", | |
| 246 | "branch if the condition is TRUE (ignored bit 1 set to 1)", /* 011zy */ | |
| 247 | "branch if the condition is TRUE, reverse branch likely (ignored bit 4 set to 1)", | |
| 248 | "branch if --CTR != 0", /* 1z00y */ | |
| 249 | "branch if --CTR != 0, reverse branch likely", | |
| 250 | "branch if --CTR == 0", /* 1z01y */ | |
| 251 | "branch if --CTR == 0, reverse branch likely", | |
| 252 | "branch always", /* 1z1zz */ | |
| 253 | "branch always (ignored bit 5 set to 1)", | |
| 254 | "branch always (ignored bit 4 set to 1)", /* 1z1zz */ | |
| 255 | "branch always (ignored bits 4,5 set to 1)", | |
| 256 | "branch if --CTR != 0 (ignored bit 1 set to 1)", /* 1z00y */ | |
| 257 | "branch if --CTR != 0, reverse branch likely (ignored bit 1 set to 1)", | |
| 258 | "branch if --CTR == 0 (ignored bit 1 set to 1)", /* 1z01y */ | |
| 259 | "branch if --CTR == 0, reverse branch likely (ignored bit 1 set to 1)", | |
| 260 | "branch always (ignored bit 1 set to 1)", /* 1z1zz */ | |
| 261 | "branch always (ignored bits 1,5 set to 1)", | |
| 262 | "branch always (ignored bits 1,4 set to 1)", /* 1z1zz */ | |
| 263 | "branch always (ignored bits 1,4,5 set to 1)", | |
| 264 | }; | |
| 265 | ||
| 4ffd6ed0 | 266 | static const char *const ppc_nr_mtcrf_crs[9] = { |
| f2181eff MM |
267 | "mtcrf moving 0 CRs", |
| 268 | "mtcrf moving 1 CR", | |
| 269 | "mtcrf moving 2 CRs", | |
| 270 | "mtcrf moving 3 CRs", | |
| 271 | "mtcrf moving 4 CRs", | |
| 272 | "mtcrf moving 5 CRs", | |
| 273 | "mtcrf moving 6 CRs", | |
| 274 | "mtcrf moving 7 CRs", | |
| 275 | "mtcrf moving all CRs", | |
| 276 | }; | |
| 4a0351ab MM |
277 | \f |
| 278 | # Trace releasing resources | |
| 279 | void::model-static::model_trace_release:model_data *model_ptr, model_busy *busy | |
| 280 | int i; | |
| 290ad14a MM |
281 | TRACE(trace_model,("done, %s, %d writeback%s\n", ppc_function_unit_name[busy->unit], |
| 282 | busy->nr_writebacks, busy->nr_writebacks == 1 ? "" : "s")); | |
| 4a0351ab MM |
283 | if (busy->int_busy) { |
| 284 | for(i = 0; i < 32; i++) { | |
| 285 | if (((1 << i) & busy->int_busy) != 0) { | |
| 286 | TRACE(trace_model, ("Register r%d is now available.\n", i)); | |
| 287 | } | |
| 288 | } | |
| 289 | } | |
| 290 | if (busy->fp_busy) { | |
| 291 | for(i = 0; i < 32; i++) { | |
| 292 | if (((1 << i) & busy->fp_busy) != 0) { | |
| 293 | TRACE(trace_model, ("Register f%d is now available.\n", i)); | |
| 294 | } | |
| 295 | } | |
| 296 | } | |
| 297 | if (busy->cr_fpscr_busy) { | |
| 298 | for(i = 0; i < 8; i++) { | |
| 299 | if (((1 << i) & busy->cr_fpscr_busy) != 0) { | |
| 300 | TRACE(trace_model, ("Register cr%d is now available.\n", i)); | |
| 301 | } | |
| 302 | } | |
| 303 | if (busy->cr_fpscr_busy & 0x100) | |
| 304 | TRACE(trace_model, ("Register fpscr is now available.\n")); | |
| 54e98699 | 305 | } |
| 4a0351ab MM |
306 | if (busy->spr_busy != PPC_NO_SPR) |
| 307 | TRACE(trace_model, ("Register %s is now available.\n", spr_name(busy->spr_busy))); | |
| 54e98699 | 308 | |
| 45525d8d MM |
309 | # Trace making registers busy |
| 310 | void::model-static::model_trace_make_busy:model_data *model_ptr, unsigned32 int_mask, unsigned32 fp_mask, unsigned32 cr_mask | |
| 311 | int i; | |
| 312 | if (int_mask) { | |
| 313 | for(i = 0; i < 32; i++) { | |
| 314 | if (((1 << i) & int_mask) != 0) { | |
| 315 | TRACE(trace_model, ("Register r%d is now busy.\n", i)); | |
| 316 | } | |
| 317 | } | |
| 318 | } | |
| 319 | if (fp_mask) { | |
| 320 | for(i = 0; i < 32; i++) { | |
| 321 | if (((1 << i) & fp_mask) != 0) { | |
| 322 | TRACE(trace_model, ("Register f%d is now busy.\n", i)); | |
| 323 | } | |
| 324 | } | |
| 325 | } | |
| 326 | if (cr_mask) { | |
| 327 | for(i = 0; i < 8; i++) { | |
| 328 | if (((1 << i) & cr_mask) != 0) { | |
| 329 | TRACE(trace_model, ("Register cr%d is now busy.\n", i)); | |
| 330 | } | |
| 331 | } | |
| 332 | } | |
| 333 | ||
| 4a0351ab MM |
334 | # Trace waiting for registers to become available |
| 335 | void::model-static::model_trace_busy_p:model_data *model_ptr, unsigned32 int_busy, unsigned32 fp_busy, unsigned32 cr_or_fpscr_busy, int spr_busy | |
| 336 | int i; | |
| 337 | if (int_busy) { | |
| 338 | int_busy &= model_ptr->int_busy; | |
| 339 | for(i = 0; i < 32; i++) { | |
| 340 | if (((1 << i) & int_busy) != 0) { | |
| 341 | TRACE(trace_model, ("Waiting for register r%d.\n", i)); | |
| 342 | } | |
| 343 | } | |
| 344 | } | |
| 345 | if (fp_busy) { | |
| 346 | fp_busy &= model_ptr->fp_busy; | |
| 347 | for(i = 0; i < 32; i++) { | |
| 348 | if (((1 << i) & fp_busy) != 0) { | |
| 349 | TRACE(trace_model, ("Waiting for register f%d.\n", i)); | |
| 350 | } | |
| 351 | } | |
| 352 | } | |
| 353 | if (cr_or_fpscr_busy) { | |
| 354 | cr_or_fpscr_busy &= model_ptr->cr_fpscr_busy; | |
| 355 | for(i = 0; i < 8; i++) { | |
| 356 | if (((1 << i) & cr_or_fpscr_busy) != 0) { | |
| 357 | TRACE(trace_model, ("Waiting for register cr%d.\n", i)); | |
| 358 | } | |
| 359 | } | |
| 360 | if (cr_or_fpscr_busy & 0x100) | |
| 361 | TRACE(trace_model, ("Waiting for register fpscr.\n")); | |
| 362 | } | |
| 363 | if (spr_busy != PPC_NO_SPR && model_ptr->spr_busy[spr_busy]) | |
| 364 | TRACE(trace_model, ("Waiting for register %s.\n", spr_name(spr_busy))); | |
| 365 | \f | |
| 4220dcd6 MM |
366 | # Advance state to next cycle, releasing any registers allocated |
| 367 | void::model-internal::model_new_cycle:model_data *model_ptr | |
| 290ad14a | 368 | model_busy *cur_busy = model_ptr->busy_head.next; |
| 4220dcd6 | 369 | model_busy *free_list = model_ptr->free_list; |
| 290ad14a MM |
370 | model_busy *busy_tail = &model_ptr->busy_head; |
| 371 | int nr_writebacks = model_ptr->max_nr_writebacks; | |
| 4220dcd6 MM |
372 | model_busy *next; |
| 373 | ||
| 374 | model_ptr->nr_cycles++; | |
| 290ad14a | 375 | TRACE(trace_model,("New cycle %lu\n", (unsigned long)model_ptr->nr_cycles)); |
| 4220dcd6 MM |
376 | for ( ; cur_busy; cur_busy = next) { |
| 377 | next = cur_busy->next; | |
| 290ad14a MM |
378 | if (--cur_busy->done <= 0) { /* function unit done, release registers if we have writeback slots */ |
| 379 | nr_writebacks -= cur_busy->nr_writebacks; | |
| 380 | if (nr_writebacks >= 0) { | |
| 381 | model_ptr->int_busy &= ~cur_busy->int_busy; | |
| 382 | model_ptr->fp_busy &= ~cur_busy->fp_busy; | |
| 383 | model_ptr->cr_fpscr_busy &= ~cur_busy->cr_fpscr_busy; | |
| 384 | if (cur_busy->spr_busy != PPC_NO_SPR) | |
| 385 | model_ptr->spr_busy[cur_busy->spr_busy] = 0; | |
| 386 | ||
| 387 | if (WITH_TRACE && ppc_trace[trace_model]) | |
| 388 | model_trace_release(model_ptr, cur_busy); | |
| 389 | ||
| 390 | model_ptr->busy[cur_busy->unit] = 0; | |
| 391 | cur_busy->next = free_list; | |
| 392 | free_list = cur_busy; | |
| 393 | } | |
| 394 | else { /* writeback slots not available */ | |
| 395 | TRACE(trace_model,("%d writeback slot%s not available for %s\n", | |
| 396 | cur_busy->nr_writebacks, | |
| 397 | cur_busy->nr_writebacks == 1 ? " is" : "s are", | |
| 398 | ppc_function_unit_name[cur_busy->unit])); | |
| 399 | cur_busy->done++; /* undo -- above */ | |
| 400 | model_ptr->nr_stalls_writeback++; | |
| 401 | busy_tail->next = cur_busy; | |
| 402 | busy_tail = cur_busy; | |
| 403 | } | |
| 4220dcd6 MM |
404 | } |
| 405 | else if (--cur_busy->issue <= 0) { /* function unit pipelined, allow new use */ | |
| 406 | TRACE(trace_model,("pipeline, %s ready for next client\n", ppc_function_unit_name[cur_busy->unit])); | |
| 0bcce7d3 | 407 | model_ptr->busy[cur_busy->unit] = 0; |
| 290ad14a MM |
408 | busy_tail->next = cur_busy; |
| 409 | busy_tail = cur_busy; | |
| 4220dcd6 MM |
410 | } |
| 411 | else { | |
| 412 | TRACE(trace_model,("%s still working, issue = %d, done = %d\n", | |
| 413 | ppc_function_unit_name[cur_busy->unit], | |
| 414 | cur_busy->issue, | |
| 415 | cur_busy->done)); | |
| 290ad14a MM |
416 | busy_tail->next = cur_busy; |
| 417 | busy_tail = cur_busy; | |
| 4220dcd6 MM |
418 | } |
| 419 | } | |
| 420 | ||
| 290ad14a MM |
421 | busy_tail->next = (model_busy *)0; |
| 422 | model_ptr->busy_tail = busy_tail; | |
| 4220dcd6 | 423 | model_ptr->free_list = free_list; |
| 4220dcd6 | 424 | |
| 4a0351ab | 425 | # Mark a function unit as busy, return the busy structure |
| 4220dcd6 MM |
426 | model_busy *::model-internal::model_make_busy:model_data *model_ptr, ppc_function_unit unit, int issue, int done |
| 427 | model_busy *busy; | |
| 428 | ||
| 429 | TRACE(trace_model,("unit = %s, issue = %d, done = %d\n", ppc_function_unit_name[unit], issue, done)); | |
| 430 | ||
| 431 | if (!model_ptr->free_list) { | |
| 432 | busy = ZALLOC(model_busy); | |
| 845ff5a4 | 433 | } |
| 80948f39 | 434 | else { |
| 4220dcd6 MM |
435 | busy = model_ptr->free_list; |
| 436 | model_ptr->free_list = busy->next; | |
| 290ad14a MM |
437 | busy->next = (model_busy *)0; |
| 438 | busy->int_busy = 0; | |
| 439 | busy->fp_busy = 0; | |
| 440 | busy->cr_fpscr_busy = 0; | |
| 441 | busy->nr_writebacks = 0; | |
| 4220dcd6 | 442 | } |
| 290ad14a | 443 | |
| 4220dcd6 MM |
444 | busy->unit = unit; |
| 445 | busy->issue = issue; | |
| 446 | busy->done = done; | |
| 4a0351ab | 447 | busy->spr_busy = PPC_NO_SPR; |
| 290ad14a MM |
448 | model_ptr->busy_tail->next = busy; |
| 449 | model_ptr->busy_tail = busy; | |
| 0bcce7d3 | 450 | model_ptr->busy[unit] = 1; |
| 54e98699 | 451 | model_ptr->nr_units[unit]++; |
| 4220dcd6 | 452 | return busy; |
| 4a0351ab | 453 | \f |
| 54e98699 MM |
454 | # Wait until a function unit is non-busy, and then allocate a busy pointer & return the pointer |
| 455 | model_busy *::model-internal::model_wait_for_unit:itable_index index, model_data *const model_ptr, const model_time *const time_ptr | |
| 456 | ppc_function_unit first_unit = time_ptr->first_unit; | |
| 0bcce7d3 | 457 | ppc_function_unit second_unit = time_ptr->second_unit; |
| 54e98699 | 458 | int stall_increment = 0; |
| 4220dcd6 MM |
459 | |
| 460 | for (;;) { | |
| 0bcce7d3 MM |
461 | if (!model_ptr->busy[first_unit]) |
| 462 | return model_make_busy(model_ptr, first_unit, | |
| 463 | model_ptr->timing[index].issue, | |
| 464 | model_ptr->timing[index].done); | |
| 465 | ||
| 466 | if (!model_ptr->busy[second_unit]) | |
| 467 | return model_make_busy(model_ptr, second_unit, | |
| 468 | model_ptr->timing[index].issue, | |
| 469 | model_ptr->timing[index].done); | |
| 4220dcd6 | 470 | |
| 54e98699 MM |
471 | TRACE(trace_model,("all function units are busy for %s\n", itable[index].name)); |
| 472 | model_ptr->nr_stalls_unit += stall_increment; /* don't count first stall */ | |
| 473 | stall_increment = 1; | |
| 4220dcd6 | 474 | model_new_cycle(model_ptr); |
| 80948f39 | 475 | } |
| 28816f45 | 476 | |
| 54e98699 MM |
477 | # Serialize the processor, waiting for all instructions to drain out before adding an instruction. |
| 478 | void::model-function::model_serialize:itable_index index, model_data *model_ptr | |
| 290ad14a | 479 | while (model_ptr->busy_head.next) { |
| 54e98699 MM |
480 | TRACE(trace_model,("waiting for pipeline to empty\n")); |
| 481 | model_ptr->nr_stalls_serialize++; | |
| 482 | model_new_cycle(model_ptr); | |
| 483 | } | |
| 484 | (void) model_make_busy(model_ptr, | |
| 485 | model_ptr->timing[index].first_unit, | |
| 486 | model_ptr->timing[index].issue, | |
| 487 | model_ptr->timing[index].done); | |
| 488 | ||
| 489 | # Wait for a CR to become unbusy | |
| 490 | void::model-function::model_wait_for_cr:model_data *model_ptr, unsigned CRBIT | |
| 491 | unsigned u; | |
| 4a0351ab | 492 | unsigned32 cr_mask; |
| 54e98699 MM |
493 | int cr_var = 0; |
| 494 | for (u = 0xc0000000; (u != 0) && (CRBIT & u) == 0; u >>= 4 ) | |
| 495 | cr_var++; | |
| 496 | ||
| 4a0351ab MM |
497 | cr_mask = (1 << cr_var); |
| 498 | while ((model_ptr->cr_fpscr_busy & cr_mask) != 0) { | |
| 54e98699 MM |
499 | TRACE(trace_model,("waiting for CR %d\n", cr_var)); |
| 500 | model_ptr->nr_stalls_data++; | |
| 501 | model_new_cycle(model_ptr); | |
| 502 | } | |
| 503 | ||
| f2181eff MM |
504 | # Schedule an instruction that takes integer input registers and produces output registers |
| 505 | void::model-function::ppc_insn_int:itable_index index, model_data *model_ptr, const unsigned32 out_mask, const unsigned32 in_mask | |
| 45525d8d | 506 | const unsigned32 int_mask = out_mask | in_mask; |
| 4a0351ab MM |
507 | model_busy *busy_ptr; |
| 508 | ||
| f2181eff MM |
509 | if ((model_ptr->int_busy & int_mask) != 0) { |
| 510 | model_new_cycle(model_ptr); /* don't count first dependency as a stall */ | |
| 4a0351ab | 511 | |
| f2181eff MM |
512 | while ((model_ptr->int_busy & int_mask) != 0) { |
| 513 | if (WITH_TRACE && ppc_trace[trace_model]) | |
| 514 | model_trace_busy_p(model_ptr, int_mask, 0, 0, PPC_NO_SPR); | |
| 4a0351ab | 515 | |
| f2181eff MM |
516 | model_ptr->nr_stalls_data++; |
| 517 | model_new_cycle(model_ptr); | |
| 4a0351ab | 518 | } |
| 4a0351ab MM |
519 | } |
| 520 | ||
| f2181eff MM |
521 | busy_ptr = model_wait_for_unit(index, model_ptr, &model_ptr->timing[index]); |
| 522 | model_ptr->int_busy |= out_mask; | |
| 523 | busy_ptr->int_busy |= out_mask; | |
| 290ad14a MM |
524 | if (out_mask) |
| 525 | busy_ptr->nr_writebacks = (PPC_ONE_BIT_SET_P(out_mask)) ? 1 : 2; | |
| 526 | ||
| f2181eff MM |
527 | if (WITH_TRACE && ppc_trace[trace_model]) |
| 528 | model_trace_make_busy(model_ptr, out_mask, 0, 0); | |
| 54e98699 | 529 | |
| 290ad14a | 530 | # Schedule an instruction that takes integer input registers and produces output registers & sets a CR register |
| f2181eff MM |
531 | void::model-function::ppc_insn_int_cr:itable_index index, model_data *model_ptr, const unsigned32 out_mask, const unsigned32 in_mask, const unsigned32 cr_mask |
| 532 | const unsigned32 int_mask = out_mask | in_mask; | |
| 533 | model_busy *busy_ptr; | |
| 4a0351ab | 534 | |
| f2181eff MM |
535 | if ((model_ptr->int_busy & int_mask) || (model_ptr->cr_fpscr_busy & cr_mask)) { |
| 536 | model_new_cycle(model_ptr); /* don't count first dependency as a stall */ | |
| 537 | ||
| 538 | while ((model_ptr->int_busy & int_mask) || (model_ptr->cr_fpscr_busy & cr_mask)) { | |
| 539 | if (WITH_TRACE && ppc_trace[trace_model]) | |
| 540 | model_trace_busy_p(model_ptr, int_mask, 0, cr_mask, PPC_NO_SPR); | |
| 541 | ||
| 542 | model_ptr->nr_stalls_data++; | |
| 543 | model_new_cycle(model_ptr); | |
| 54e98699 | 544 | } |
| f2181eff | 545 | } |
| 54e98699 | 546 | |
| f2181eff MM |
547 | busy_ptr = model_wait_for_unit(index, model_ptr, &model_ptr->timing[index]); |
| 548 | model_ptr->int_busy |= out_mask; | |
| 549 | busy_ptr->int_busy |= out_mask; | |
| 550 | model_ptr->cr_fpscr_busy |= cr_mask; | |
| 551 | busy_ptr->cr_fpscr_busy |= cr_mask; | |
| 290ad14a MM |
552 | if (out_mask) |
| 553 | busy_ptr->nr_writebacks = (PPC_ONE_BIT_SET_P(out_mask)) ? 1 : 2; | |
| 554 | ||
| 555 | if (cr_mask) | |
| 556 | busy_ptr->nr_writebacks++; | |
| 557 | ||
| f2181eff MM |
558 | if (WITH_TRACE && ppc_trace[trace_model]) |
| 559 | model_trace_make_busy(model_ptr, out_mask, 0, cr_mask); | |
| 560 | ||
| 561 | ||
| 562 | # Schedule an instruction that takes CR input registers and produces output CR registers | |
| 563 | void::model-function::ppc_insn_cr:itable_index index, model_data *model_ptr, const unsigned32 out_mask, const unsigned32 in_mask | |
| 564 | const unsigned32 cr_mask = out_mask | in_mask; | |
| 565 | model_busy *busy_ptr; | |
| 566 | ||
| 567 | if ((model_ptr->cr_fpscr_busy & cr_mask) != 0) { | |
| 568 | model_new_cycle(model_ptr); /* don't count first dependency as a stall */ | |
| 569 | ||
| 570 | while ((model_ptr->cr_fpscr_busy & cr_mask) != 0) { | |
| 571 | if (WITH_TRACE && ppc_trace[trace_model]) | |
| 572 | model_trace_busy_p(model_ptr, 0, 0, cr_mask, PPC_NO_SPR); | |
| 573 | ||
| 574 | model_ptr->nr_stalls_data++; | |
| 575 | model_new_cycle(model_ptr); | |
| 576 | } | |
| 54e98699 MM |
577 | } |
| 578 | ||
| f2181eff MM |
579 | busy_ptr = model_wait_for_unit(index, model_ptr, &model_ptr->timing[index]); |
| 580 | model_ptr->cr_fpscr_busy |= out_mask; | |
| 581 | busy_ptr->cr_fpscr_busy |= out_mask; | |
| 290ad14a MM |
582 | if (out_mask) |
| 583 | busy_ptr->nr_writebacks = 1; | |
| 584 | ||
| f2181eff MM |
585 | if (WITH_TRACE && ppc_trace[trace_model]) |
| 586 | model_trace_make_busy(model_ptr, 0, 0, out_mask); | |
| 4a0351ab | 587 | |
| f2181eff | 588 | |
| 290ad14a | 589 | # Schedule an instruction that takes floating point input registers and produces an output fp register |
| f2181eff | 590 | void::model-function::ppc_insn_float:itable_index index, model_data *model_ptr, const unsigned32 out_mask, const unsigned32 in_mask |
| 45525d8d | 591 | const unsigned32 fp_mask = out_mask | in_mask; |
| 4a0351ab MM |
592 | model_busy *busy_ptr; |
| 593 | ||
| f2181eff MM |
594 | if ((model_ptr->fp_busy & fp_mask) != 0) { |
| 595 | model_new_cycle(model_ptr); /* don't count first dependency as a stall */ | |
| 4a0351ab | 596 | |
| f2181eff MM |
597 | while ((model_ptr->fp_busy & fp_mask) != 0) { |
| 598 | if (WITH_TRACE && ppc_trace[trace_model]) | |
| 599 | model_trace_busy_p(model_ptr, 0, fp_mask, 0, PPC_NO_SPR); | |
| 4a0351ab | 600 | |
| f2181eff MM |
601 | model_ptr->nr_stalls_data++; |
| 602 | model_new_cycle(model_ptr); | |
| 4a0351ab | 603 | } |
| 4a0351ab MM |
604 | } |
| 605 | ||
| f2181eff MM |
606 | busy_ptr = model_wait_for_unit(index, model_ptr, &model_ptr->timing[index]); |
| 607 | model_ptr->fp_busy |= out_mask; | |
| 608 | busy_ptr->fp_busy |= out_mask; | |
| 290ad14a | 609 | busy_ptr->nr_writebacks = 1; |
| f2181eff MM |
610 | if (WITH_TRACE && ppc_trace[trace_model]) |
| 611 | model_trace_make_busy(model_ptr, 0, out_mask, 0); | |
| 4a0351ab | 612 | |
| 4a0351ab | 613 | |
| 290ad14a | 614 | # Schedule an instruction that takes floating point input registers and produces an output fp register & sets a CR reg |
| f2181eff MM |
615 | void::model-function::ppc_insn_float_cr:itable_index index, model_data *model_ptr, const unsigned32 out_mask, const unsigned32 in_mask, const unsigned32 cr_mask |
| 616 | const unsigned32 fp_mask = out_mask | in_mask; | |
| 617 | model_busy *busy_ptr; | |
| 4a0351ab | 618 | |
| f2181eff MM |
619 | if ((model_ptr->fp_busy & fp_mask) || (model_ptr->cr_fpscr_busy & cr_mask)) { |
| 620 | model_new_cycle(model_ptr); /* don't count first dependency as a stall */ | |
| 621 | ||
| 622 | while ((model_ptr->fp_busy & fp_mask) || (model_ptr->cr_fpscr_busy & cr_mask)) { | |
| 623 | if (WITH_TRACE && ppc_trace[trace_model]) | |
| 624 | model_trace_busy_p(model_ptr, 0, fp_mask, cr_mask, PPC_NO_SPR); | |
| 625 | ||
| 626 | model_ptr->nr_stalls_data++; | |
| 627 | model_new_cycle(model_ptr); | |
| 628 | } | |
| 4a0351ab MM |
629 | } |
| 630 | ||
| f2181eff MM |
631 | busy_ptr = model_wait_for_unit(index, model_ptr, &model_ptr->timing[index]); |
| 632 | model_ptr->fp_busy |= out_mask; | |
| 633 | busy_ptr->fp_busy |= out_mask; | |
| 634 | model_ptr->cr_fpscr_busy |= cr_mask; | |
| 635 | busy_ptr->cr_fpscr_busy |= cr_mask; | |
| 290ad14a | 636 | busy_ptr->nr_writebacks = (cr_mask) ? 2 : 1; |
| f2181eff MM |
637 | if (WITH_TRACE && ppc_trace[trace_model]) |
| 638 | model_trace_make_busy(model_ptr, 0, out_mask, cr_mask); | |
| 639 | ||
| 4a0351ab | 640 | |
| 45525d8d | 641 | # Schedule an instruction that takes both int/float input registers and produces output int/float registers |
| f2181eff | 642 | void::model-function::ppc_insn_int_float:itable_index index, model_data *model_ptr, const unsigned32 out_int_mask, const unsigned32 out_fp_mask, const unsigned32 in_int_mask, const unsigned32 in_fp_mask |
| 45525d8d MM |
643 | const unsigned32 int_mask = out_int_mask | in_int_mask; |
| 644 | const unsigned32 fp_mask = out_fp_mask | in_fp_mask; | |
| 4a0351ab MM |
645 | model_busy *busy_ptr; |
| 646 | ||
| 45525d8d MM |
647 | if ((model_ptr->int_busy & int_mask) || (model_ptr->fp_busy & fp_mask)) { |
| 648 | model_new_cycle(model_ptr); /* don't count first dependency as a stall */ | |
| 4a0351ab | 649 | |
| 45525d8d MM |
650 | while ((model_ptr->int_busy & int_mask) || (model_ptr->fp_busy & fp_mask)) { |
| 651 | if (WITH_TRACE && ppc_trace[trace_model]) | |
| 652 | model_trace_busy_p(model_ptr, int_mask, fp_mask, 0, PPC_NO_SPR); | |
| 4a0351ab | 653 | |
| 45525d8d MM |
654 | model_ptr->nr_stalls_data++; |
| 655 | model_new_cycle(model_ptr); | |
| 4a0351ab MM |
656 | } |
| 657 | ||
| 658 | busy_ptr = model_wait_for_unit(index, model_ptr, &model_ptr->timing[index]); | |
| 45525d8d MM |
659 | model_ptr->int_busy |= out_int_mask; |
| 660 | busy_ptr->int_busy |= out_int_mask; | |
| 661 | model_ptr->fp_busy |= out_fp_mask; | |
| 662 | busy_ptr->fp_busy |= out_fp_mask; | |
| 290ad14a | 663 | busy_ptr->nr_writebacks = ((out_int_mask) ? 1 : 0) + ((out_fp_mask) ? 1 : 0); |
| 45525d8d MM |
664 | if (WITH_TRACE && ppc_trace[trace_model]) |
| 665 | model_trace_make_busy(model_ptr, out_int_mask, out_fp_mask, 0); | |
| 4a0351ab | 666 | return; |
| 54e98699 MM |
667 | } |
| 668 | ||
| 669 | # Schedule an MFSPR instruction that takes 1 special purpose register and produces an integer output register | |
| f2181eff | 670 | void::model-function::ppc_insn_from_spr:itable_index index, model_data *model_ptr, const unsigned32 int_mask, const unsigned nSPR |
| 45525d8d | 671 | model_busy *busy_ptr; |
| 4a0351ab | 672 | |
| 45525d8d MM |
673 | while ((model_ptr->int_busy & int_mask) != 0 || model_ptr->spr_busy[nSPR] != 0) { |
| 674 | if (WITH_TRACE && ppc_trace[trace_model]) | |
| 675 | model_trace_busy_p(model_ptr, int_mask, 0, 0, nSPR); | |
| 54e98699 | 676 | |
| 45525d8d MM |
677 | model_ptr->nr_stalls_data++; |
| 678 | model_new_cycle(model_ptr); | |
| 54e98699 MM |
679 | } |
| 680 | ||
| 45525d8d MM |
681 | busy_ptr = model_wait_for_unit(index, model_ptr, &model_ptr->timing[index]); |
| 682 | model_ptr->int_busy |= int_mask; | |
| 683 | busy_ptr->int_busy |= int_mask; | |
| 290ad14a | 684 | busy_ptr->nr_writebacks = 1; |
| 45525d8d MM |
685 | if (WITH_TRACE && ppc_trace[trace_model]) |
| 686 | model_trace_make_busy(model_ptr, int_mask, 0, 0); | |
| 54e98699 | 687 | |
| 45525d8d | 688 | # Schedule an MTSPR instruction that takes 1 integer register and produces a special purpose output register |
| f2181eff | 689 | void::model-function::ppc_insn_to_spr:itable_index index, model_data *model_ptr, const unsigned32 int_mask, const unsigned nSPR |
| 45525d8d | 690 | model_busy *busy_ptr; |
| 4a0351ab | 691 | |
| 45525d8d MM |
692 | while ((model_ptr->int_busy & int_mask) != 0 || model_ptr->spr_busy[nSPR] != 0) { |
| 693 | if (WITH_TRACE && ppc_trace[trace_model]) | |
| 694 | model_trace_busy_p(model_ptr, int_mask, 0, 0, nSPR); | |
| 54e98699 | 695 | |
| 45525d8d MM |
696 | model_ptr->nr_stalls_data++; |
| 697 | model_new_cycle(model_ptr); | |
| 54e98699 MM |
698 | } |
| 699 | ||
| 45525d8d MM |
700 | busy_ptr = model_wait_for_unit(index, model_ptr, &model_ptr->timing[index]); |
| 701 | busy_ptr->spr_busy = nSPR; | |
| 702 | model_ptr->spr_busy[nSPR] = 1; | |
| 290ad14a | 703 | busy_ptr->nr_writebacks = 1; |
| 45525d8d | 704 | TRACE(trace_model,("Making register %s busy.\n", spr_name(nSPR))); |
| 15ec5b60 | 705 | |
| 45525d8d | 706 | # Schedule a MFCR instruction that moves the CR into an integer regsiter |
| f2181eff | 707 | void::model-function::ppc_insn_mfcr:itable_index index, model_data *model_ptr, unsigned32 int_mask |
| 45525d8d MM |
708 | const unsigned32 cr_mask = 0xff; |
| 709 | model_busy *busy_ptr; | |
| 15ec5b60 | 710 | |
| 45525d8d MM |
711 | while (((model_ptr->int_busy & int_mask) | (model_ptr->cr_fpscr_busy & cr_mask)) != 0) { |
| 712 | if (WITH_TRACE && ppc_trace[trace_model]) | |
| 713 | model_trace_busy_p(model_ptr, int_mask, 0, cr_mask, PPC_NO_SPR); | |
| 15ec5b60 | 714 | |
| 45525d8d MM |
715 | model_ptr->nr_stalls_data++; |
| 716 | model_new_cycle(model_ptr); | |
| 15ec5b60 MM |
717 | } |
| 718 | ||
| 45525d8d MM |
719 | busy_ptr = model_wait_for_unit(index, model_ptr, &model_ptr->timing[index]); |
| 720 | model_ptr->int_busy |= int_mask; | |
| 721 | busy_ptr->int_busy |= int_mask; | |
| 290ad14a | 722 | busy_ptr->nr_writebacks = 1; |
| 45525d8d MM |
723 | if (WITH_TRACE && ppc_trace[trace_model]) |
| 724 | model_trace_make_busy(model_ptr, int_mask, 0, 0); | |
| 725 | ||
| 15ec5b60 | 726 | # Schedule a MTCR instruction that moves an integer register into the CR |
| f2181eff MM |
727 | void::model-function::ppc_insn_mtcr:itable_index index, model_data *model_ptr, unsigned32 int_mask, unsigned FXM |
| 728 | int f; | |
| 729 | int nr_crs = 0; | |
| 730 | unsigned32 cr_mask = 0; | |
| 731 | const model_time *normal_time = &model_ptr->timing[index]; | |
| 732 | static const model_time ppc604_1bit_time = { PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 }; | |
| 733 | model_busy *busy_ptr; | |
| 15ec5b60 | 734 | |
| f2181eff MM |
735 | for (f = 0; f < 8; f++) { |
| 736 | if (FXM & (0x80 >> f)) { | |
| 737 | cr_mask |= (1 << f); | |
| 738 | nr_crs++; | |
| 4a0351ab | 739 | } |
| 0bcce7d3 MM |
740 | } |
| 741 | ||
| f2181eff MM |
742 | while (((model_ptr->int_busy & int_mask) | (model_ptr->cr_fpscr_busy & cr_mask)) != 0) { |
| 743 | if (WITH_TRACE && ppc_trace[trace_model]) | |
| 744 | model_trace_busy_p(model_ptr, int_mask, 0, cr_mask, PPC_NO_SPR); | |
| 0bcce7d3 | 745 | |
| f2181eff MM |
746 | model_ptr->nr_stalls_data++; |
| 747 | model_new_cycle(model_ptr); | |
| 0bcce7d3 MM |
748 | } |
| 749 | ||
| f2181eff MM |
750 | /* If only one CR is being moved, use the SCIU, not the MCIU on the 604 */ |
| 751 | if (CURRENT_MODEL == MODEL_ppc604 && nr_crs == 1) { | |
| 752 | normal_time = &ppc604_1bit_time; | |
| 0bcce7d3 MM |
753 | } |
| 754 | ||
| f2181eff MM |
755 | busy_ptr = model_wait_for_unit(index, model_ptr, normal_time); |
| 756 | busy_ptr->cr_fpscr_busy |= cr_mask; | |
| 757 | model_ptr->cr_fpscr_busy |= cr_mask; | |
| 758 | model_ptr->nr_mtcrf_crs[nr_crs]++; | |
| 290ad14a | 759 | busy_ptr->nr_writebacks = 1; |
| f2181eff MM |
760 | if (WITH_TRACE && ppc_trace[trace_model]) |
| 761 | model_trace_make_busy(model_ptr, 0, 0, cr_mask); | |
| 762 | \f | |
| 4220dcd6 MM |
763 | model_data *::model-function::model_create:cpu *processor |
| 764 | model_data *model_ptr = ZALLOC(model_data); | |
| 4220dcd6 MM |
765 | model_ptr->name = model_name[CURRENT_MODEL]; |
| 766 | model_ptr->timing = model_time_mapping[CURRENT_MODEL]; | |
| 767 | model_ptr->processor = processor; | |
| 768 | model_ptr->nr_cycles = 1; | |
| 290ad14a MM |
769 | model_ptr->busy_tail = &model_ptr->busy_head; |
| 770 | switch (CURRENT_MODEL) { | |
| 771 | case MODEL_ppc601: model_ptr->max_nr_writebacks = 1; break; /* ??? */ | |
| 772 | case MODEL_ppc603: model_ptr->max_nr_writebacks = 2; break; | |
| 773 | case MODEL_ppc603e: model_ptr->max_nr_writebacks = 2; break; | |
| 774 | case MODEL_ppc604: model_ptr->max_nr_writebacks = 2; break; | |
| 775 | default: error ("Unknown model %d\n", CURRENT_MODEL); | |
| 776 | } | |
| 4220dcd6 | 777 | return model_ptr; |
| 845ff5a4 | 778 | |
| 4220dcd6 | 779 | void::model-function::model_init:model_data *model_ptr |
| 80948f39 | 780 | |
| 4220dcd6 MM |
781 | void::model-function::model_halt:model_data *model_ptr |
| 782 | /* Let pipeline drain */ | |
| 290ad14a | 783 | while (model_ptr->busy_head.next) |
| 4220dcd6 | 784 | model_new_cycle(model_ptr); |
| 80948f39 MM |
785 | |
| 786 | model_print *::model-function::model_mon_info:model_data *model_ptr | |
| 787 | model_print *head; | |
| 788 | model_print *tail; | |
| 789 | ppc_function_unit i; | |
| 4a0351ab | 790 | count_type nr_insns; |
| 46c065ab | 791 | int j; |
| 845ff5a4 | 792 | |
| 80948f39 | 793 | head = tail = ZALLOC(model_print); |
| 4220dcd6 MM |
794 | tail->count = model_ptr->nr_cycles; |
| 795 | tail->name = "cycle"; | |
| 796 | tail->suffix_plural = "s"; | |
| 80948f39 | 797 | tail->suffix_singular = ""; |
| 845ff5a4 | 798 | |
| 54e98699 MM |
799 | if (model_ptr->nr_stalls_data) { |
| 800 | tail->next = ZALLOC(model_print); | |
| 801 | tail = tail->next; | |
| 802 | tail->count = model_ptr->nr_stalls_data; | |
| 803 | tail->name = "stall"; | |
| 804 | tail->suffix_plural = "s waiting for data"; | |
| 805 | tail->suffix_singular = " waiting for data"; | |
| 806 | } | |
| 807 | ||
| 808 | if (model_ptr->nr_stalls_unit) { | |
| 809 | tail->next = ZALLOC(model_print); | |
| 810 | tail = tail->next; | |
| 811 | tail->count = model_ptr->nr_stalls_unit; | |
| 812 | tail->name = "stall"; | |
| 813 | tail->suffix_plural = "s waiting for a function unit"; | |
| 814 | tail->suffix_singular = " waiting for a function unit"; | |
| 815 | } | |
| 816 | ||
| 817 | if (model_ptr->nr_stalls_serialize) { | |
| 818 | tail->next = ZALLOC(model_print); | |
| 819 | tail = tail->next; | |
| 820 | tail->count = model_ptr->nr_stalls_serialize; | |
| 821 | tail->name = "stall"; | |
| 822 | tail->suffix_plural = "s waiting for serialization"; | |
| 823 | tail->suffix_singular = " waiting for serialization"; | |
| 824 | } | |
| 825 | ||
| 290ad14a MM |
826 | if (model_ptr->nr_stalls_writeback) { |
| 827 | tail->next = ZALLOC(model_print); | |
| 828 | tail = tail->next; | |
| 829 | tail->count = model_ptr->nr_stalls_writeback; | |
| 830 | tail->name = ""; | |
| 831 | tail->suffix_plural = "times a writeback slot was unavilable"; | |
| 832 | tail->suffix_singular = "time a writeback was unavilable"; | |
| 833 | } | |
| 834 | ||
| 4220dcd6 MM |
835 | if (model_ptr->nr_branches) { |
| 836 | tail->next = ZALLOC(model_print); | |
| 837 | tail = tail->next; | |
| 838 | tail->count = model_ptr->nr_branches; | |
| 839 | tail->name = "branch"; | |
| 840 | tail->suffix_plural = "es"; | |
| 841 | tail->suffix_singular = ""; | |
| 842 | } | |
| 843 | ||
| 84bbbc35 MM |
844 | if (model_ptr->nr_branches_fallthrough) { |
| 845 | tail->next = ZALLOC(model_print); | |
| 846 | tail = tail->next; | |
| 847 | tail->count = model_ptr->nr_branches_fallthrough; | |
| 848 | tail->name = "conditional branch"; | |
| 849 | tail->suffix_plural = "es fell through"; | |
| 850 | tail->suffix_singular = " fell through"; | |
| 851 | } | |
| 852 | ||
| 853 | if (model_ptr->nr_branch_predict_trues) { | |
| 854 | tail->next = ZALLOC(model_print); | |
| 855 | tail = tail->next; | |
| 856 | tail->count = model_ptr->nr_branch_predict_trues; | |
| 857 | tail->name = "successful branch prediction"; | |
| 858 | tail->suffix_plural = "s"; | |
| 859 | tail->suffix_singular = ""; | |
| 860 | } | |
| 861 | ||
| 862 | if (model_ptr->nr_branch_predict_falses) { | |
| 863 | tail->next = ZALLOC(model_print); | |
| 864 | tail = tail->next; | |
| 865 | tail->count = model_ptr->nr_branch_predict_falses; | |
| 866 | tail->name = "unsuccessful branch prediction"; | |
| 867 | tail->suffix_plural = "s"; | |
| 868 | tail->suffix_singular = ""; | |
| 869 | } | |
| 870 | ||
| 46c065ab MM |
871 | for (j = 0; j < (sizeof(ppc_branch_conditional_name) / sizeof(ppc_branch_conditional_name[0])) ; j++) { |
| 872 | if (model_ptr->nr_branch_conditional[j]) { | |
| 873 | tail->next = ZALLOC(model_print); | |
| 874 | tail = tail->next; | |
| 875 | tail->count = model_ptr->nr_branch_conditional[j]; | |
| 876 | tail->name = ppc_branch_conditional_name[j]; | |
| 877 | tail->suffix_plural = " conditional branches"; | |
| 878 | tail->suffix_singular = " conditional branch"; | |
| 879 | } | |
| 880 | } | |
| 881 | ||
| f2181eff MM |
882 | for (j = 0; j < 9; j++) { |
| 883 | if (model_ptr->nr_mtcrf_crs[j]) { | |
| 884 | tail->next = ZALLOC(model_print); | |
| 885 | tail = tail->next; | |
| 886 | tail->count = model_ptr->nr_mtcrf_crs[j]; | |
| 887 | tail->name = ppc_nr_mtcrf_crs[j]; | |
| 888 | tail->suffix_plural = " instructions"; | |
| 889 | tail->suffix_singular = " instruction"; | |
| 890 | } | |
| 891 | } | |
| 892 | ||
| 4a0351ab | 893 | nr_insns = 0; |
| 845ff5a4 | 894 | for (i = PPC_UNIT_BAD; i < nr_ppc_function_units; i++) { |
| 80948f39 | 895 | if (model_ptr->nr_units[i]) { |
| 4a0351ab | 896 | nr_insns += model_ptr->nr_units[i]; |
| 80948f39 MM |
897 | tail->next = ZALLOC(model_print); |
| 898 | tail = tail->next; | |
| 899 | tail->count = model_ptr->nr_units[i]; | |
| 900 | tail->name = ppc_function_unit_name[i]; | |
| 901 | tail->suffix_plural = "s"; | |
| 902 | tail->suffix_singular = ""; | |
| 903 | } | |
| 904 | } | |
| 845ff5a4 | 905 | |
| 4a0351ab MM |
906 | tail->next = ZALLOC(model_print); |
| 907 | tail = tail->next; | |
| 908 | tail->count = nr_insns; | |
| 909 | tail->name = "instruction"; | |
| 910 | tail->suffix_plural = "s that were accounted for in timing info"; | |
| 911 | tail->suffix_singular = " that was accounted for in timing info"; | |
| 912 | ||
| 80948f39 MM |
913 | tail->next = (model_print *)0; |
| 914 | return head; | |
| 915 | ||
| 916 | void::model-function::model_mon_info_free:model_data *model_ptr, model_print *ptr | |
| 80948f39 | 917 | while (ptr) { |
| 54e98699 | 918 | model_print *next = ptr->next; |
| 80948f39 MM |
919 | free((void *)ptr); |
| 920 | ptr = next; | |
| 921 | } | |
| 28816f45 | 922 | |
| 46c065ab | 923 | void::model-function::model_branches:model_data *model_ptr, int failed, int conditional |
| 54e98699 | 924 | model_ptr->nr_units[PPC_UNIT_BPU]++; |
| 84bbbc35 MM |
925 | if (failed) |
| 926 | model_ptr->nr_branches_fallthrough++; | |
| 927 | else | |
| 928 | model_ptr->nr_branches++; | |
| 46c065ab MM |
929 | if (conditional >= 0) |
| 930 | model_ptr->nr_branch_conditional[conditional]++; | |
| 54e98699 | 931 | model_new_cycle(model_ptr); /* A branch always ends the current cycle */ |
| 84bbbc35 MM |
932 | |
| 933 | void::model-function::model_branch_predict:model_data *model_ptr, int success | |
| 934 | if (success) | |
| 935 | model_ptr->nr_branch_predict_trues++; | |
| 936 | else | |
| 937 | model_ptr->nr_branch_predict_falses++; | |
| c143ef62 | 938 | |
| 4a0351ab | 939 | \f |
| c143ef62 MM |
940 | # The following (illegal) instruction is `known' by gen and is |
| 941 | # called when ever an illegal instruction is encountered | |
| 942 | ::internal::illegal | |
| 943 | program_interrupt(processor, cia, | |
| 944 | illegal_instruction_program_interrupt); | |
| 945 | return 0; | |
| 946 | ||
| 947 | ||
| 948 | # The following (floating point unavailable) instruction is `known' by gen | |
| 949 | # and is called when ever an a floating point instruction is to be | |
| 950 | # executed but floating point is make unavailable by the MSR | |
| 951 | ::internal::floating_point_unavailable | |
| 952 | floating_point_unavailable_interrupt(processor, cia); | |
| 953 | return 0; | |
| 954 | ||
| 955 | ||
| 956 | # | |
| 957 | # Floating point support functions | |
| 958 | # | |
| 959 | ||
| 960 | # Convert 32bit single to 64bit double | |
| 961 | unsigned64::function::DOUBLE:unsigned32 WORD | |
| 962 | unsigned64 FRT; | |
| 963 | if (EXTRACTED32(WORD, 1, 8) > 0 | |
| 964 | && EXTRACTED32(WORD, 1, 8) < 255) { | |
| 965 | /* normalized operand */ | |
| 966 | int not_word_1_1 = !EXTRACTED32(WORD, 1, 1); /*2.6.3 bug*/ | |
| 967 | FRT = (INSERTED64(EXTRACTED32(WORD, 0, 1), 0, 1) | |
| 968 | | INSERTED64(not_word_1_1, 2, 2) | |
| 969 | | INSERTED64(not_word_1_1, 3, 3) | |
| 970 | | INSERTED64(not_word_1_1, 4, 4) | |
| 971 | | INSERTED64(EXTRACTED32(WORD, 2, 31), 5, (63 - 29))); | |
| 972 | } | |
| 973 | else if (EXTRACTED32(WORD, 1, 8) == 0 | |
| 974 | && EXTRACTED32(WORD, 9, 31) != 0) { | |
| 975 | /* denormalized operand */ | |
| 976 | int sign = EXTRACTED32(WORD, 0, 0); | |
| 977 | int exp = -126; | |
| 978 | unsigned64 frac = INSERTED64(EXTRACTED32(WORD, 9, 31), 1, (52 - 29)); | |
| 979 | /* normalize the operand */ | |
| 980 | while (MASKED64(frac, 0, 0) == 0) { | |
| 981 | frac <<= 1; | |
| 982 | exp -= 1; | |
| 983 | } | |
| 984 | FRT = (INSERTED64(sign, 0, 0) | |
| 985 | | INSERTED64(exp + 1023, 1, 11) | |
| 986 | | INSERTED64(EXTRACTED64(frac, 1, 52), 12, 63)); | |
| 987 | } | |
| 988 | else if (EXTRACTED32(WORD, 1, 8) == 255 | |
| 989 | || EXTRACTED32(WORD, 1, 31) == 0) { | |
| 990 | FRT = (INSERTED64(EXTRACTED32(WORD, 0, 1), 0, 1) | |
| 991 | | INSERTED64(EXTRACTED32(WORD, 1, 1), 2, 2) | |
| 992 | | INSERTED64(EXTRACTED32(WORD, 1, 1), 3, 3) | |
| 993 | | INSERTED64(EXTRACTED32(WORD, 1, 1), 4, 4) | |
| 994 | | INSERTED64(EXTRACTED32(WORD, 2, 31), 5, (63 - 29))); | |
| 995 | } | |
| 996 | else { | |
| 997 | error("DOUBLE - unknown case\n"); | |
| 998 | FRT = 0; | |
| 999 | } | |
| 1000 | return FRT; | |
| 1001 | ||
| 1002 | # Convert 64bit single to 32bit double | |
| 1003 | unsigned32::function::SINGLE:unsigned64 FRS | |
| 1004 | unsigned32 WORD; | |
| 1005 | if (EXTRACTED64(FRS, 1, 11) > 896 | |
| 1006 | || EXTRACTED64(FRS, 1, 63) == 0) { | |
| 1007 | /* no denormalization required (includes Zero/Infinity/NaN) */ | |
| 1008 | WORD = (INSERTED32(EXTRACTED64(FRS, 0, 1), 0, 1) | |
| 1009 | | INSERTED32(EXTRACTED64(FRS, 5, 34), 2, 31)); | |
| 1010 | } | |
| 1011 | else if (874 <= EXTRACTED64(FRS, 1, 11) | |
| 1012 | && EXTRACTED64(FRS, 1, 11) <= 896) { | |
| 1013 | /* denormalization required */ | |
| 1014 | int sign = EXTRACTED64(FRS, 0, 0); | |
| 1015 | int exp = EXTRACTED64(FRS, 1, 11) - 1023; | |
| 1016 | unsigned64 frac = (BIT64(0) | |
| 1017 | | INSERTED64(EXTRACTED64(FRS, 12, 63), 1, 52)); | |
| 1018 | /* denormalize the operand */ | |
| 1019 | while (exp < -126) { | |
| 1020 | frac = INSERTED64(EXTRACTED64(frac, 0, 62), 1, 63); | |
| 1021 | exp += 1; | |
| 1022 | } | |
| 1023 | WORD = (INSERTED32(sign, 0, 0) | |
| 1024 | | INSERTED32(0x00, 1, 8) | |
| 1025 | | INSERTED32(EXTRACTED64(frac, 1, 23), 9, 31)); | |
| 1026 | } | |
| 1027 | else { | |
| 1028 | WORD = 0x0; /* ??? */ | |
| 1029 | } | |
| 1030 | return WORD; | |
| 1031 | ||
| 1032 | ||
| 1033 | # round 64bit double to 64bit but single | |
| 1034 | void::function::Round_Single:cpu *processor, int sign, int *exp, unsigned64 *frac_grx | |
| 1035 | /* comparisons ignore u bits */ | |
| 1036 | unsigned64 out; | |
| 1037 | int inc = 0; | |
| 1038 | int lsb = EXTRACTED64(*frac_grx, 23, 23); | |
| 1039 | int gbit = EXTRACTED64(*frac_grx, 24, 24); | |
| 1040 | int rbit = EXTRACTED64(*frac_grx, 25, 25); | |
| 1041 | int xbit = EXTRACTED64(*frac_grx, 26, 55) != 0; | |
| 1042 | if ((FPSCR & fpscr_rn) == fpscr_rn_round_to_nearest) { | |
| 1043 | if (lsb == 1 && gbit == 1) inc = 1; | |
| 1044 | if (lsb == 0 && gbit == 1 && rbit == 1) inc = 1; | |
| 1045 | if (lsb == 0 && gbit == 1 && xbit == 1) inc = 1; | |
| 1046 | } | |
| 1047 | if ((FPSCR & fpscr_rn) == fpscr_rn_round_towards_pos_infinity) { | |
| 1048 | if (sign == 0 && gbit == 1) inc = 1; | |
| 1049 | if (sign == 0 && rbit == 1) inc = 1; | |
| 1050 | if (sign == 0 && xbit == 1) inc = 1; | |
| 1051 | } | |
| 1052 | if ((FPSCR & fpscr_rn) == fpscr_rn_round_towards_neg_infinity) { | |
| 1053 | if (sign == 1 && gbit == 1) inc = 1; | |
| 1054 | if (sign == 1 && rbit == 1) inc = 1; | |
| 1055 | if (sign == 1 && xbit == 1) inc = 1; | |
| 1056 | } | |
| 1057 | /* work out addition in low 25 bits of out */ | |
| 1058 | out = EXTRACTED64(*frac_grx, 0, 23) + inc; | |
| 1059 | *frac_grx = INSERTED64(out, 0, 23); | |
| 1060 | if (out & BIT64(64 - 23 - 1 - 1)) { | |
| 1061 | *frac_grx = (BIT64(0) | | |
| 1062 | INSERTED64(EXTRACTED64(*frac_grx, 0, 22), 1, 23)); | |
| 1063 | *exp = *exp + 1; | |
| 1064 | } | |
| 1065 | /* frac_grx[24:52] = 0 already */ | |
| 1066 | FPSCR_SET_FR(inc); | |
| 1067 | FPSCR_SET_FI(gbit || rbit || xbit); | |
| 1068 | ||
| 1069 | ||
| 1070 | # | |
| 1071 | void::function::Round_Integer:cpu *processor, int sign, unsigned64 *frac, int *frac64, int gbit, int rbit, int xbit, fpscreg round_mode | |
| 1072 | int inc = 0; | |
| 1073 | if (round_mode == fpscr_rn_round_to_nearest) { | |
| 1074 | if (*frac64 == 1 && gbit == 1) inc = 1; | |
| 1075 | if (*frac64 == 0 && gbit == 1 && rbit == 1) inc = 1; | |
| 1076 | if (*frac64 == 0 && gbit == 1 && xbit == 1) inc = 1; | |
| 1077 | } | |
| 1078 | if (round_mode == fpscr_rn_round_towards_pos_infinity) { | |
| 1079 | if (sign == 0 && gbit == 1) inc = 1; | |
| 1080 | if (sign == 0 && rbit == 1) inc = 1; | |
| 1081 | if (sign == 0 && xbit == 1) inc = 1; | |
| 1082 | } | |
| 1083 | if (round_mode == fpscr_rn_round_towards_neg_infinity) { | |
| 1084 | if (sign == 1 && gbit == 1) inc = 1; | |
| 1085 | if (sign == 1 && rbit == 1) inc = 1; | |
| 1086 | if (sign == 1 && xbit == 1) inc = 1; | |
| 1087 | } | |
| 1088 | /* frac[0:64] = frac[0:64} + inc */ | |
| 1089 | *frac += (*frac64 && inc ? 1 : 0); | |
| 1090 | *frac64 = (*frac64 + inc) & 0x1; | |
| 1091 | FPSCR_SET_FR(inc); | |
| 1092 | FPSCR_SET_FI(gbit | rbit | xbit); | |
| 845ff5a4 | 1093 | |
| c143ef62 MM |
1094 | |
| 1095 | void::function::Round_Float:cpu *processor, int sign, int *exp, unsigned64 *frac, fpscreg round_mode | |
| 1096 | int carry_out; | |
| 1097 | int inc = 0; | |
| 1098 | int lsb = EXTRACTED64(*frac, 52, 52); | |
| 1099 | int gbit = EXTRACTED64(*frac, 53, 53); | |
| 1100 | int rbit = EXTRACTED64(*frac, 54, 54); | |
| 1101 | int xbit = EXTRACTED64(*frac, 55, 55); | |
| 1102 | if (round_mode == fpscr_rn_round_to_nearest) { | |
| 1103 | if (lsb == 1 && gbit == 1) inc = 1; | |
| 1104 | if (lsb == 0 && gbit == 1 && rbit == 1) inc = 1; | |
| 1105 | if (lsb == 0 && gbit == 1 && xbit == 1) inc = 1; | |
| 1106 | } | |
| 1107 | if (round_mode == fpscr_rn_round_towards_pos_infinity) { | |
| 1108 | if (sign == 0 && gbit == 1) inc = 1; | |
| 1109 | if (sign == 0 && rbit == 1) inc = 1; | |
| 1110 | if (sign == 0 && xbit == 1) inc = 1; | |
| 1111 | } | |
| 1112 | if (round_mode == fpscr_rn_round_towards_neg_infinity) { | |
| 1113 | if (sign == 1 && gbit == 1) inc = 1; | |
| 1114 | if (sign == 1 && rbit == 1) inc = 1; | |
| 1115 | if (sign == 1 && xbit == 1) inc = 1; | |
| 1116 | } | |
| 1117 | /* frac//carry_out = frac + inc */ | |
| 1118 | *frac = (*frac >> 1) + (INSERTED64(inc, 52, 52) >> 1); | |
| 1119 | carry_out = EXTRACTED64(*frac, 0, 0); | |
| 1120 | *frac <<= 1; | |
| 1121 | if (carry_out == 1) *exp = *exp + 1; | |
| 1122 | FPSCR_SET_FR(inc); | |
| 1123 | FPSCR_SET_FI(gbit | rbit | xbit); | |
| 1124 | FPSCR_SET_XX(FPSCR & fpscr_fi); | |
| 1125 | ||
| 1126 | ||
| 1127 | # conversion of FP to integer | |
| 1128 | void::function::convert_to_integer:cpu *processor, unsigned_word cia, unsigned64 *frt, unsigned64 frb, fpscreg round_mode, int tgt_precision | |
| 1129 | int i; | |
| 1130 | int exp = 0; | |
| 1131 | unsigned64 frac = 0; | |
| 1132 | int frac64 = 0; | |
| 1133 | int gbit = 0; | |
| 1134 | int rbit = 0; | |
| 1135 | int xbit = 0; | |
| 1136 | int sign = EXTRACTED64(frb, 0, 0); | |
| 1137 | if (EXTRACTED64(frb, 1, 11) == 2047 && EXTRACTED64(frb, 12, 63) == 0) | |
| 1138 | goto Infinity_Operand; | |
| 1139 | if (EXTRACTED64(frb, 1, 11) == 2047 && EXTRACTED64(frb, 12, 12) == 0) | |
| 1140 | goto SNaN_Operand; | |
| 1141 | if (EXTRACTED64(frb, 1, 11) == 2047 && EXTRACTED64(frb, 12, 12) == 1) | |
| 1142 | goto QNaN_Operand; | |
| 1143 | if (EXTRACTED64(frb, 1, 11) > 1086) goto Large_Operand; | |
| 1144 | if (EXTRACTED64(frb, 1, 11) > 0) exp = EXTRACTED64(frb, 1, 11) - 1023; | |
| 1145 | if (EXTRACTED64(frb, 1, 11) == 0) exp = -1022; | |
| 1146 | if (EXTRACTED64(frb, 1, 11) > 0) { /* normal */ | |
| 1147 | frac = BIT64(1) | INSERTED64(EXTRACTED64(frb, 12, 63), 2, 53); | |
| 1148 | frac64 = 0; | |
| 1149 | } | |
| 1150 | if (EXTRACTED64(frb, 1, 11) == 0) { /* denorm */ | |
| 1151 | frac = INSERTED64(EXTRACTED64(frb, 12, 63), 2, 53); | |
| 1152 | frac64 = 0; | |
| 1153 | } | |
| 1154 | gbit = 0, rbit = 0, xbit = 0; | |
| 1155 | for (i = 1; i <= 63 - exp; i++) { | |
| 1156 | xbit = rbit | xbit; | |
| 1157 | rbit = gbit; | |
| 1158 | gbit = frac64; | |
| 1159 | frac64 = EXTRACTED64(frac, 63, 63); | |
| 1160 | frac = INSERTED64(EXTRACTED64(frac, 0, 62), 1, 63); | |
| 1161 | } | |
| 1162 | Round_Integer(processor, sign, &frac, &frac64, gbit, rbit, xbit, round_mode); | |
| 1163 | if (sign == 1) { /* frac[0:64] = ~frac[0:64] + 1 */ | |
| 1164 | frac = ~frac; | |
| 1165 | frac64 ^= 1; | |
| 1166 | frac += (frac64 ? 1 : 0); | |
| 1167 | frac64 = (frac64 + 1) & 0x1; | |
| 1168 | } | |
| 1169 | if (tgt_precision == 32 /* can ignore frac64 in compare */ | |
| 1170 | && (signed64)frac > (signed64)MASK64(33+1, 63)/*2^31-1 >>1*/) | |
| 1171 | goto Large_Operand; | |
| 1172 | if (tgt_precision == 64 /* can ignore frac64 in compare */ | |
| 1173 | && (signed64)frac > (signed64)MASK64(1+1, 63)/*2^63-1 >>1*/) | |
| 1174 | goto Large_Operand; | |
| 1175 | if (tgt_precision == 32 /* can ignore frac64 in compare */ | |
| 1176 | && (signed64)frac < (signed64)MASK64(0, 32+1)/*-2^31 >>1*/) | |
| 1177 | goto Large_Operand; | |
| 1178 | if (tgt_precision == 64 /* can ignore frac64 in compare */ | |
| 1179 | && (signed64)frac < (signed64)MASK64(0, 0+1)/*-2^63 >>1*/) | |
| 1180 | goto Large_Operand; | |
| 1181 | FPSCR_SET_XX(FPSCR & fpscr_fi); | |
| 1182 | if (tgt_precision == 32) | |
| 1183 | *frt = MASKED64(*frt, 0, 31) | (EXTRACTED64(frac, 33, 63) << 1) | frac64; | |
| 1184 | if (tgt_precision == 64) | |
| 1185 | *frt = (EXTRACTED64(frac, 1, 63) << 1) | frac64; | |
| 1186 | /*FPSCR[fprf] = undefined */ | |
| 1187 | goto Done; | |
| 1188 | /**/ | |
| 1189 | Infinity_Operand: | |
| 1190 | FPSCR_SET_FR(0); | |
| 1191 | FPSCR_SET_FI(0); | |
| 1192 | FPSCR_OR_VX(fpscr_vxcvi); | |
| 1193 | if ((FPSCR & fpscr_ve) == 0) { | |
| 1194 | if (tgt_precision == 32) { | |
| 1195 | if (sign == 0) *frt = MASKED64(*frt, 0, 31) | 0x7FFFFFFF; | |
| 1196 | if (sign == 1) *frt = MASKED64(*frt, 0, 31) | 0x80000000; | |
| 1197 | } | |
| 1198 | else { | |
| 1199 | if (sign == 0) *frt = MASK64(1, 63); /*0x7FFF_FFFF_FFFF_FFFF*/ | |
| 1200 | if (sign == 1) *frt = BIT64(0); /*0x8000_0000_0000_0000*/ | |
| 1201 | } | |
| 1202 | /* FPSCR[FPRF] = undefined */ | |
| 1203 | } | |
| 1204 | goto Done; | |
| 1205 | /**/ | |
| 1206 | SNaN_Operand: | |
| 1207 | FPSCR_SET_FR(0); | |
| 1208 | FPSCR_SET_FI(0); | |
| 1209 | FPSCR_OR_VX(fpscr_vxsnan | fpscr_vxcvi); | |
| 1210 | if ((FPSCR & fpscr_ve) == 0) { | |
| 1211 | if (tgt_precision == 32) *frt = MASKED64(*frt, 0, 31) | 0x80000000; | |
| 1212 | if (tgt_precision == 64) *frt = BIT64(0); /*0x8000_0000_0000_0000*/ | |
| 1213 | /* FPSCR[fprf] = undefined */ | |
| 1214 | } | |
| 1215 | goto Done; | |
| 1216 | /**/ | |
| 1217 | QNaN_Operand: | |
| 1218 | FPSCR_SET_FR(0); | |
| 1219 | FPSCR_SET_FI(0); | |
| 1220 | FPSCR_OR_VX(fpscr_vxcvi); | |
| 1221 | if ((FPSCR & fpscr_ve) == 0) { | |
| 1222 | if (tgt_precision == 32) *frt = MASKED64(*frt, 0, 31) | 0x80000000; | |
| 1223 | if (tgt_precision == 64) *frt = BIT64(0);/*0x8000_0000_0000_0000*/ | |
| 1224 | /* FPSCR[fprf] = undefined */ | |
| 1225 | } | |
| 1226 | goto Done; | |
| 1227 | /**/ | |
| 1228 | Large_Operand: | |
| 1229 | FPSCR_SET_FR(0); | |
| 1230 | FPSCR_SET_FI(0); | |
| 1231 | FPSCR_OR_VX(fpscr_vxcvi); | |
| 1232 | if ((FPSCR & fpscr_ve) == 0) { | |
| 1233 | if (tgt_precision == 32) { | |
| 1234 | if (sign == 0) *frt = MASKED64(*frt, 0, 31) | 0x7fffffff; | |
| 1235 | if (sign == 1) *frt = MASKED64(*frt, 0, 31) | 0x80000000; | |
| 1236 | } | |
| 1237 | else { | |
| 1238 | if (sign == 0) *frt = MASK64(1, 63); /*0x7FFF_FFFF_FFFF_FFFF*/ | |
| 1239 | if (sign == 1) *frt = BIT64(0); /*0x8000_0000_0000_0000*/ | |
| 1240 | } | |
| 1241 | /* FPSCR[fprf] = undefined */ | |
| 1242 | } | |
| 1243 | /**/ | |
| 1244 | Done: | |
| 1245 | ||
| 1246 | ||
| 1247 | # extract out raw fields of a FP number | |
| 1248 | int::function::sign:unsigned64 FRS | |
| 1249 | return (MASKED64(FRS, 0, 0) | |
| 1250 | ? -1 | |
| 1251 | : 1); | |
| 1252 | int::function::biased_exp:unsigned64 frs, int single | |
| 1253 | if (single) | |
| 1254 | return EXTRACTED64(frs, 1, 8); | |
| 1255 | else | |
| 1256 | return EXTRACTED64(frs, 1, 11); | |
| 1257 | unsigned64::function::fraction:unsigned64 frs, int single | |
| 1258 | if (single) | |
| 1259 | return EXTRACTED64(frs, 9, 31); | |
| 1260 | else | |
| 1261 | return EXTRACTED64(frs, 12, 63); | |
| 1262 | ||
| 1263 | # a number?, each of the below return +1 or -1 (based on sign bit) | |
| 1264 | # if true. | |
| 1265 | int::function::is_nor:unsigned64 frs, int single | |
| 1266 | int exp = biased_exp(frs, single); | |
| 1267 | return (exp >= 1 | |
| 1268 | && exp <= (single ? 254 : 2046)); | |
| 1269 | int::function::is_zero:unsigned64 FRS | |
| 1270 | return (MASKED64(FRS, 1, 63) == 0 | |
| 1271 | ? sign(FRS) | |
| 1272 | : 0); | |
| 1273 | int::function::is_den:unsigned64 frs, int single | |
| 1274 | int exp = biased_exp(frs, single); | |
| 1275 | unsigned64 frac = fraction(frs, single); | |
| 1276 | return (exp == 0 && frac != 0 | |
| 1277 | ? sign(frs) | |
| 1278 | : 0); | |
| 1279 | int::function::is_inf:unsigned64 frs, int single | |
| 1280 | int exp = biased_exp(frs, single); | |
| 1281 | int frac = fraction(frs, single); | |
| 1282 | return (exp == (single ? 255 : 2047) && frac == 0 | |
| 1283 | ? sign(frs) | |
| 1284 | : 0); | |
| 1285 | int::function::is_NaN:unsigned64 frs, int single | |
| 1286 | int exp = biased_exp(frs, single); | |
| 1287 | int frac = fraction(frs, single); | |
| 1288 | return (exp == (single ? 255 : 2047) && frac != 0 | |
| 1289 | ? sign(frs) | |
| 1290 | : 0); | |
| 1291 | int::function::is_SNaN:unsigned64 frs, int single | |
| 1292 | return (is_NaN(frs, single) | |
| 1293 | && !(frs & (single ? MASK64(9, 9) : MASK64(12, 12))) | |
| 1294 | ? sign(frs) | |
| 1295 | : 0); | |
| 1296 | int::function::is_QNaN:unsigned64 frs, int single | |
| 1297 | return (is_NaN(frs, single) && !is_SNaN(frs, single)); | |
| 1298 | int::function::is_less_than:unsigned64 *fra, unsigned64 *frb | |
| 1299 | return *(double*)fra < *(double*)frb; | |
| 1300 | int::function::is_greater_than:unsigned64 *fra, unsigned64 *frb | |
| 1301 | return *(double*)fra > *(double*)frb; | |
| 1302 | int::function::is_equan_to:unsigned64 *fra, unsigned64 *frb | |
| 1303 | return *(double*)fra == *(double*)frb; | |
| 845ff5a4 | 1304 | |
| c143ef62 MM |
1305 | |
| 1306 | # which quiet nan should become the result | |
| 1307 | unsigned64::function::select_qnan:unsigned64 fra, unsigned64 frb, unsigned64 frc, int instruction_is_frsp, int generate_qnan, int single | |
| 1308 | unsigned64 frt = 0; | |
| 1309 | if (is_NaN(fra, single)) | |
| 1310 | frt = fra; | |
| 1311 | else if (is_NaN(frb, single)) | |
| 1312 | if (instruction_is_frsp) | |
| 1313 | frt = MASKED64(frb, 0, 34); | |
| 1314 | else | |
| 1315 | frt = frb; | |
| 1316 | else if (is_NaN(frc, single)) | |
| 1317 | frt = frc; | |
| 1318 | else if (generate_qnan) | |
| 1319 | frt = MASK64(1, 12); /* 0x7FF8_0000_0000_0000 */ | |
| 1320 | else | |
| 1321 | error("select_qnan - default reached\n"); | |
| 1322 | return frt; | |
| 845ff5a4 | 1323 | |
| c143ef62 MM |
1324 | |
| 1325 | # detect invalid operation | |
| 1326 | int::function::is_invalid_operation:cpu *processor, unsigned_word cia, unsigned64 fra, unsigned64 frb, fpscreg check, int single, int negate | |
| 1327 | int fail = 0; | |
| 1328 | if ((check & fpscr_vxsnan) | |
| 1329 | && (is_SNaN(fra, single) || is_SNaN(frb, single))) { | |
| 1330 | FPSCR_OR_VX(fpscr_vxsnan); | |
| 1331 | fail = 1; | |
| 1332 | } | |
| 1333 | if ((check & fpscr_vxisi) | |
| 1334 | && (is_inf(fra, single) && is_inf(frb, single)) | |
| 1335 | && ((negate && sign(fra) != sign(frb)) | |
| 1336 | || (!negate && sign(fra) == sign(frb)))) { | |
| 1337 | /*FIXME: don't handle inf-inf VS inf+-inf */ | |
| 1338 | FPSCR_OR_VX(fpscr_vxisi); | |
| 1339 | fail = 1; | |
| 1340 | } | |
| 1341 | if ((check & fpscr_vxidi) | |
| 1342 | && (is_inf(fra, single) && is_inf(frb, single))) { | |
| 1343 | FPSCR_OR_VX(fpscr_vxidi); | |
| 1344 | fail = 1; | |
| 1345 | } | |
| 1346 | if ((check & fpscr_vxzdz) | |
| 1347 | && (is_zero(fra) && is_zero(frb))) { | |
| 1348 | FPSCR_OR_VX(fpscr_vxzdz); | |
| 1349 | fail = 1; | |
| 1350 | } | |
| 1351 | if ((check & fpscr_vximz) | |
| 1352 | && (is_zero(fra) && is_inf(frb, single))) { | |
| 1353 | FPSCR_OR_VX(fpscr_vximz); | |
| 1354 | fail = 1; | |
| 1355 | } | |
| 1356 | if ((check & fpscr_vxvc) | |
| 1357 | && (is_NaN(fra, single) || is_NaN(frb, single))) { | |
| 1358 | FPSCR_OR_VX(fpscr_vxvc); | |
| 1359 | fail = 1; | |
| 1360 | } | |
| 1361 | if ((check & fpscr_vxsoft)) { | |
| 1362 | FPSCR_OR_VX(fpscr_vxsoft); | |
| 1363 | fail = 1; | |
| 1364 | } | |
| 1365 | if ((check & fpscr_vxsqrt) | |
| 1366 | && sign(fra) < 0) { | |
| 1367 | FPSCR_OR_VX(fpscr_vxsqrt); | |
| 1368 | fail = 1; | |
| 1369 | } | |
| 1370 | /* if ((check && fpscr_vxcvi) { | |
| 1371 | && (is_inf(fra, single) || is_NaN(fra, single) || is_large(fra, single))) | |
| 1372 | FPSCR_OR_VX(fpscr_vxcvi); | |
| 1373 | fail = 1; | |
| 1374 | } | |
| 1375 | */ | |
| 1376 | return fail; | |
| 1377 | ||
| 1378 | ||
| 845ff5a4 | 1379 | |
| c143ef62 MM |
1380 | |
| 1381 | ||
| 1382 | # handle case of invalid operation | |
| 1383 | void::function::invalid_arithemetic_operation:cpu *processor, unsigned_word cia, unsigned64 *frt, unsigned64 fra, unsigned64 frb, unsigned64 frc, int instruction_is_frsp, int instruction_is_convert_to_64bit, int instruction_is_convert_to_32bit, int single | |
| 1384 | if (FPSCR & fpscr_ve) { | |
| 1385 | /* invalid operation exception enabled */ | |
| 1386 | /* FRT unchaged */ | |
| 1387 | FPSCR_SET_FR(0); | |
| 1388 | FPSCR_SET_FI(0); | |
| 1389 | /* fpscr_FPRF unchanged */ | |
| 1390 | } | |
| 1391 | else { | |
| 1392 | /* invalid operation exception disabled */ | |
| 1393 | if (instruction_is_convert_to_64bit) { | |
| 1394 | error("oopsi"); | |
| 1395 | } | |
| 1396 | else if (instruction_is_convert_to_32bit) { | |
| 1397 | error("oopsi"); | |
| 1398 | } | |
| 1399 | else { /* arrith, frsp */ | |
| 1400 | *frt = select_qnan(fra, frb, frc, | |
| 1401 | instruction_is_frsp, 0/*generate*/, single); | |
| 1402 | FPSCR_SET_FR(0); | |
| 1403 | FPSCR_SET_FI(0); | |
| 1404 | FPSCR_SET_FPRF(fpscr_rf_quiet_nan); | |
| 1405 | } | |
| 1406 | } | |
| 1407 | ||
| 1408 | ||
| 1409 | ||
| 1410 | ||
| 4ffd6ed0 MM |
1411 | # |
| 1412 | # 0.0.0.0 Illegal instruction used for kernel mode emulation | |
| 1413 | # | |
| 1414 | 0.0,6./,11./,16./,21./,31.1:X:::instruction_call | |
| 1415 | if (!os_emul_instruction_call(processor, cia, real_addr(cia, 1))) | |
| 1416 | program_interrupt(processor, cia, | |
| 1417 | illegal_instruction_program_interrupt); | |
| 1418 | ||
| c143ef62 MM |
1419 | # |
| 1420 | # I.2.4.1 Branch Instructions | |
| 1421 | # | |
| 1422 | 0.18,6.LI,30.AA,31.LK:I:t::Branch | |
| 54e98699 MM |
1423 | *601: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 |
| 1424 | *603: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 | |
| 1425 | *603e:PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 | |
| 1426 | *604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 | |
| c143ef62 MM |
1427 | if (AA) NIA = IEA(EXTS(LI_0b00)); |
| 1428 | else NIA = IEA(CIA + EXTS(LI_0b00)); | |
| 1429 | if (LK) LR = (spreg)CIA+4; | |
| 290ad14a | 1430 | if (CURRENT_MODEL_ISSUE > 0) |
| 3d2f9d7c | 1431 | model_branches(cpu_model(processor), 1, -1); |
| 84bbbc35 | 1432 | |
| c143ef62 | 1433 | 0.16,6.BO,11.BI,16.BD,30.AA,31.LK:B:t::Branch Conditional |
| 54e98699 MM |
1434 | *601: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 |
| 1435 | *603: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 | |
| 1436 | *603e:PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 | |
| 1437 | *604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 | |
| 84bbbc35 | 1438 | int M, ctr_ok, cond_ok, succeed; |
| 290ad14a | 1439 | if (CURRENT_MODEL_ISSUE > 0 && ! BO{0}) |
| 54e98699 | 1440 | model_wait_for_cr(cpu_model(processor), BIT32_BI); |
| c143ef62 MM |
1441 | if (is_64bit_implementation && is_64bit_mode) M = 0; |
| 1442 | else M = 32; | |
| 1443 | if (!BO{2}) CTR = CTR - 1; | |
| 1444 | ctr_ok = BO{2} || ((MASKED(CTR, M, 63) != 0) != (BO{3})); | |
| 1445 | cond_ok = BO{0} || ((CR{BI}) == (BO{1})); | |
| 84bbbc35 | 1446 | if (ctr_ok && cond_ok) { |
| c143ef62 MM |
1447 | if (AA) NIA = IEA(EXTS(BD_0b00)); |
| 1448 | else NIA = IEA(CIA + EXTS(BD_0b00)); | |
| 84bbbc35 MM |
1449 | succeed = 1; |
| 1450 | } | |
| 1451 | else | |
| 1452 | succeed = 0; | |
| c143ef62 | 1453 | if (LK) LR = (spreg)IEA(CIA + 4); |
| 290ad14a | 1454 | if (CURRENT_MODEL_ISSUE > 0) |
| 3d2f9d7c | 1455 | model_branches(cpu_model(processor), succeed, BO); |
| 84bbbc35 MM |
1456 | if (! BO{0}) { |
| 1457 | int reverse; | |
| 1458 | if (BO{4}) { /* branch prediction bit set, reverse sense of test */ | |
| 1459 | reverse = EXTS(BD_0b00) < 0; | |
| 1460 | } else { /* branch prediction bit not set */ | |
| 1461 | reverse = EXTS(BD_0b00) >= 0; | |
| 1462 | } | |
| 290ad14a | 1463 | if (CURRENT_MODEL_ISSUE > 0) |
| 3d2f9d7c | 1464 | model_branch_predict(cpu_model(processor), reverse ? !succeed : succeed); |
| 84bbbc35 MM |
1465 | } |
| 1466 | ||
| c143ef62 | 1467 | 0.19,6.BO,11.BI,16./,21.16,31.LK:XL:t::Branch Conditional to Link Register |
| 54e98699 MM |
1468 | *601: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 |
| 1469 | *603: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 | |
| 1470 | *603e:PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 | |
| 1471 | *604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 | |
| 84bbbc35 | 1472 | int M, ctr_ok, cond_ok, succeed; |
| c143ef62 MM |
1473 | if (is_64bit_implementation && is_64bit_mode) M = 0; |
| 1474 | else M = 32; | |
| 290ad14a | 1475 | if (CURRENT_MODEL_ISSUE > 0 && ! BO{0}) |
| 54e98699 | 1476 | model_wait_for_cr(cpu_model(processor), BIT32_BI); |
| c143ef62 MM |
1477 | if (!BO{2}) CTR = CTR - 1; |
| 1478 | ctr_ok = BO{2} || ((MASKED(CTR, M, 63) != 0) != BO{3}); | |
| 1479 | cond_ok = BO{0} || (CR{BI} == BO{1}); | |
| 84bbbc35 MM |
1480 | if (ctr_ok && cond_ok) { |
| 1481 | NIA = IEA(LR_0b00); | |
| 1482 | succeed = 1; | |
| 1483 | } | |
| 1484 | else | |
| 1485 | succeed = 0; | |
| c143ef62 | 1486 | if (LK) LR = (spreg)IEA(CIA + 4); |
| 290ad14a | 1487 | if (CURRENT_MODEL_ISSUE > 0) { |
| 3d2f9d7c MM |
1488 | model_branches(cpu_model(processor), succeed, BO); |
| 1489 | if (! BO{0}) | |
| 1490 | model_branch_predict(cpu_model(processor), BO{4} ? !succeed : succeed); | |
| 1491 | } | |
| 84bbbc35 | 1492 | |
| c143ef62 | 1493 | 0.19,6.BO,11.BI,16./,21.528,31.LK:XL:t::Branch Conditional to Count Register |
| 54e98699 MM |
1494 | *601: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 |
| 1495 | *603: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 | |
| 1496 | *603e:PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 | |
| 1497 | *604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 | |
| 84bbbc35 | 1498 | int cond_ok, succeed; |
| 290ad14a | 1499 | if (CURRENT_MODEL_ISSUE > 0 && ! BO{0}) |
| 54e98699 | 1500 | model_wait_for_cr(cpu_model(processor), BIT32_BI); |
| c143ef62 | 1501 | cond_ok = BO{0} || (CR{BI} == BO{1}); |
| 84bbbc35 MM |
1502 | if (cond_ok) { |
| 1503 | NIA = IEA(CTR_0b00); | |
| 1504 | succeed = 1; | |
| 1505 | } | |
| 1506 | else | |
| 1507 | succeed = 0; | |
| c143ef62 | 1508 | if (LK) LR = (spreg)IEA(CIA + 4); |
| 290ad14a | 1509 | if (CURRENT_MODEL_ISSUE > 0) { |
| 3d2f9d7c MM |
1510 | model_branches(cpu_model(processor), succeed, BO); |
| 1511 | if (! BO{0}) | |
| 1512 | model_branch_predict(cpu_model(processor), BO{4} ? !succeed : succeed); | |
| 1513 | } | |
| c143ef62 MM |
1514 | |
| 1515 | # | |
| 1516 | # I.2.4.2 System Call Instruction | |
| 1517 | # | |
| 1518 | 0.17,6./,11./,16./,30.1,31./:SC:t::System Call | |
| 54e98699 MM |
1519 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 1520 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 3, 3, 0 | |
| 1521 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 3, 3, 0 | |
| 1522 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
| 290ad14a | 1523 | if (CURRENT_MODEL_ISSUE > 0) |
| 3d2f9d7c | 1524 | model_serialize(my_index, cpu_model(processor)); |
| c143ef62 MM |
1525 | system_call_interrupt(processor, cia); |
| 1526 | ||
| 1527 | # | |
| 1528 | # I.2.4.3 Condition Register Logical Instructions | |
| 1529 | # | |
| 1530 | 0.19,6.BT,11.BA,16.BB,21.257,31./:XL::crand:Condition Register AND | |
| 54e98699 MM |
1531 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 1532 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
| 1533 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
| 1534 | *604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 | |
| c143ef62 | 1535 | BLIT32(CR, BT, CR{BA} && CR{BB}); |
| f2181eff | 1536 | PPC_INSN_CR(BT_BITMASK, BA_BITMASK | BB_BITMASK); |
| 845ff5a4 | 1537 | |
| c143ef62 | 1538 | 0.19,6.BT,11.BA,16.BB,21.449,31./:XL::cror:Condition Register OR |
| 54e98699 MM |
1539 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 1540 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
| 1541 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
| 1542 | *604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 | |
| c143ef62 | 1543 | BLIT32(CR, BT, CR{BA} || CR{BB}); |
| f2181eff | 1544 | PPC_INSN_CR(BT_BITMASK, BA_BITMASK | BB_BITMASK); |
| 845ff5a4 | 1545 | |
| c143ef62 | 1546 | 0.19,6.BT,11.BA,16.BB,21.193,31./:XL::crxor:Condition Register XOR |
| 54e98699 MM |
1547 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 1548 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
| 1549 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
| 1550 | *604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 | |
| c143ef62 | 1551 | BLIT32(CR, BT, CR{BA} != CR{BB}); |
| f2181eff | 1552 | PPC_INSN_CR(BT_BITMASK, BA_BITMASK | BB_BITMASK); |
| 845ff5a4 | 1553 | |
| c143ef62 | 1554 | 0.19,6.BT,11.BA,16.BB,21.225,31./:XL::crnand:Condition Register NAND |
| 54e98699 MM |
1555 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 1556 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
| 1557 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
| 1558 | *604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 | |
| c143ef62 | 1559 | BLIT32(CR, BT, !(CR{BA} && CR{BB})); |
| f2181eff | 1560 | PPC_INSN_CR(BT_BITMASK, BA_BITMASK | BB_BITMASK); |
| 845ff5a4 | 1561 | |
| c143ef62 | 1562 | 0.19,6.BT,11.BA,16.BB,21.33,31./:XL::crnor:Condition Register NOR |
| 54e98699 MM |
1563 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 1564 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
| 1565 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
| 1566 | *604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 | |
| c143ef62 | 1567 | BLIT32(CR, BT, !(CR{BA} || CR{BB})); |
| f2181eff | 1568 | PPC_INSN_CR(BT_BITMASK, BA_BITMASK | BB_BITMASK); |
| 845ff5a4 | 1569 | |
| c143ef62 | 1570 | 0.19,6.BT,11.BA,16.BB,21.289,31./:XL::creqv:Condition Register Equivalent |
| 54e98699 MM |
1571 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 1572 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
| 1573 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
| 1574 | *604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 | |
| c143ef62 | 1575 | BLIT32(CR, BT, CR{BA} == CR{BB}); |
| f2181eff | 1576 | PPC_INSN_CR(BT_BITMASK, BA_BITMASK | BB_BITMASK); |
| 845ff5a4 | 1577 | |
| c143ef62 | 1578 | 0.19,6.BT,11.BA,16.BB,21.129,31./:XL::crandc:Condition Register AND with Complement |
| 54e98699 MM |
1579 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 1580 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
| 1581 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
| 1582 | *604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 | |
| c143ef62 | 1583 | BLIT32(CR, BT, CR{BA} && !CR{BB}); |
| f2181eff | 1584 | PPC_INSN_CR(BT_BITMASK, BA_BITMASK | BB_BITMASK); |
| 845ff5a4 | 1585 | |
| c143ef62 | 1586 | 0.19,6.BT,11.BA,16.BB,21.417,31./:XL::crorc:Condition Register OR with Complement |
| 54e98699 MM |
1587 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 1588 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
| 1589 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
| 1590 | *604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 | |
| c143ef62 | 1591 | BLIT32(CR, BT, CR{BA} || !CR{BB}); |
| f2181eff | 1592 | PPC_INSN_CR(BT_BITMASK, BA_BITMASK | BB_BITMASK); |
| c143ef62 MM |
1593 | |
| 1594 | # | |
| 1595 | # I.2.4.4 Condition Register Field Instruction | |
| 1596 | # | |
| 1597 | 0.19,6.BF,9./,11.BFA,14./,16./,21.0,31./:XL:::Move Condition Register Field | |
| 54e98699 MM |
1598 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 1599 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
| 1600 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
| 1601 | *604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 | |
| c143ef62 | 1602 | MBLIT32(CR, 4*BF, 4*BF+3, EXTRACTED32(CR, 4*BFA, 4*BFA+3)); |
| f2181eff | 1603 | PPC_INSN_CR(BF_BITMASK, 1 << BFA); |
| c143ef62 MM |
1604 | |
| 1605 | ||
| 1606 | # | |
| 1607 | # I.3.3.2 Fixed-Point Load Instructions | |
| 1608 | # | |
| 1609 | ||
| 1610 | 0.34,6.RT,11.RA,16.D:D:::Load Byte and Zero | |
| 54e98699 MM |
1611 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 |
| 1612 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 1613 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 1614 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| c143ef62 MM |
1615 | unsigned_word b; |
| 1616 | unsigned_word EA; | |
| 1617 | if (RA == 0) b = 0; | |
| 1618 | else b = *rA; | |
| 1619 | EA = b + EXTS(D); | |
| 1620 | *rT = MEM(unsigned, EA, 1); | |
| 45525d8d | 1621 | PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1), 0); |
| 54e98699 | 1622 | |
| 845ff5a4 | 1623 | |
| c143ef62 | 1624 | 0.31,6.RT,11.RA,16.RB,21.87,31./:X:::Load Byte and Zero Indexed |
| 54e98699 MM |
1625 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 |
| 1626 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 1627 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 1628 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| c143ef62 MM |
1629 | unsigned_word b; |
| 1630 | unsigned_word EA; | |
| 1631 | if (RA == 0) b = 0; | |
| 1632 | else b = *rA; | |
| 1633 | EA = b + *rB; | |
| 1634 | *rT = MEM(unsigned, EA, 1); | |
| 45525d8d | 1635 | PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0); |
| 845ff5a4 | 1636 | |
| c143ef62 | 1637 | 0.35,6.RT,11.RA,16.D:D:::Load Byte and Zero with Update |
| 54e98699 MM |
1638 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 |
| 1639 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 1640 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 1641 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| c143ef62 MM |
1642 | unsigned_word EA; |
| 1643 | if (RA == 0 || RA == RT) | |
| 1644 | program_interrupt(processor, cia, | |
| 1645 | illegal_instruction_program_interrupt); | |
| 1646 | EA = *rA + EXTS(D); | |
| 1647 | *rT = MEM(unsigned, EA, 1); | |
| 1648 | *rA = EA; | |
| 45525d8d | 1649 | PPC_INSN_INT(RT_BITMASK | RA_BITMASK, RA_BITMASK, 0); |
| 845ff5a4 | 1650 | |
| c143ef62 | 1651 | 0.31,6.RT,11.RA,16.RB,21.119,31./:X:::Load Byte and Zero with Update Indexed |
| 54e98699 MM |
1652 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 |
| 1653 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 1654 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 1655 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| c143ef62 MM |
1656 | unsigned_word EA; |
| 1657 | if (RA == 0 || RA == RT) | |
| 1658 | program_interrupt(processor, cia, | |
| 1659 | illegal_instruction_program_interrupt); | |
| 1660 | EA = *rA + *rB; | |
| 1661 | *rT = MEM(unsigned, EA, 1); | |
| 1662 | *rA = EA; | |
| 45525d8d | 1663 | PPC_INSN_INT(RT_BITMASK | RA_BITMASK, RA_BITMASK | RB_BITMASK, 0); |
| c143ef62 MM |
1664 | |
| 1665 | 0.40,6.RT,11.RA,16.D:D:::Load Halfword and Zero | |
| 54e98699 MM |
1666 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 |
| 1667 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 1668 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 1669 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| c143ef62 MM |
1670 | unsigned_word b; |
| 1671 | unsigned_word EA; | |
| 1672 | if (RA == 0) b = 0; | |
| 1673 | else b = *rA; | |
| 1674 | EA = b + EXTS(D); | |
| 1675 | *rT = MEM(unsigned, EA, 2); | |
| 45525d8d | 1676 | PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1), 0); |
| 845ff5a4 | 1677 | |
| c143ef62 | 1678 | 0.31,6.RT,11.RA,16.RB,21.279,31./:X:::Load Halfword and Zero Indexed |
| 54e98699 MM |
1679 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 |
| 1680 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 1681 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 1682 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| c143ef62 MM |
1683 | unsigned_word b; |
| 1684 | unsigned_word EA; | |
| 1685 | if (RA == 0) b = 0; | |
| 1686 | else b = *rA; | |
| 1687 | EA = b + *rB; | |
| 1688 | *rT = MEM(unsigned, EA, 2); | |
| 45525d8d | 1689 | PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0); |
| 54e98699 | 1690 | |
| c143ef62 | 1691 | 0.41,6.RT,11.RA,16.D:D:::Load Halfword and Zero with Update |
| 54e98699 MM |
1692 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 |
| 1693 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 1694 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 1695 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| c143ef62 MM |
1696 | unsigned_word EA; |
| 1697 | if (RA == 0 || RA == RT) | |
| 1698 | program_interrupt(processor, cia, | |
| 1699 | illegal_instruction_program_interrupt); | |
| 1700 | EA = *rA + EXTS(D); | |
| 1701 | *rT = MEM(unsigned, EA, 2); | |
| 1702 | *rA = EA; | |
| 45525d8d | 1703 | PPC_INSN_INT(RT_BITMASK | RA_BITMASK, RA_BITMASK, 0); |
| 845ff5a4 | 1704 | |
| c143ef62 | 1705 | 0.31,6.RT,11.RA,16.RB,21.311,31./:X:::Load Halfword and Zero with Update Indexed |
| 54e98699 MM |
1706 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 |
| 1707 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 1708 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 1709 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| c143ef62 MM |
1710 | unsigned_word EA; |
| 1711 | if (RA == 0 || RA == RT) | |
| 1712 | program_interrupt(processor, cia, | |
| 1713 | illegal_instruction_program_interrupt); | |
| 1714 | EA = *rA + *rB; | |
| 1715 | *rT = MEM(unsigned, EA, 2); | |
| 1716 | *rA = EA; | |
| 45525d8d | 1717 | PPC_INSN_INT(RT_BITMASK | RA_BITMASK, RA_BITMASK | RB_BITMASK, 0); |
| c143ef62 MM |
1718 | |
| 1719 | 0.42,6.RT,11.RA,16.D:D:::Load Halfword Algebraic | |
| 54e98699 MM |
1720 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 |
| 1721 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 1722 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 1723 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| c143ef62 MM |
1724 | unsigned_word b; |
| 1725 | unsigned_word EA; | |
| 1726 | if (RA == 0) b = 0; | |
| 1727 | else b = *rA; | |
| 1728 | EA = b + EXTS(D); | |
| 1729 | *rT = MEM(signed, EA, 2); | |
| 45525d8d | 1730 | PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1), 0); |
| 845ff5a4 | 1731 | |
| c143ef62 | 1732 | 0.31,6.RT,11.RA,16.RB,21.343,31./:X:::Load Halfword Algebraic Indexed |
| 54e98699 MM |
1733 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 |
| 1734 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 1735 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 1736 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| c143ef62 MM |
1737 | unsigned_word b; |
| 1738 | unsigned_word EA; | |
| 1739 | if (RA == 0) b = 0; | |
| 1740 | else b = *rA; | |
| 1741 | EA = b + *rB; | |
| 1742 | *rT = MEM(signed, EA, 2); | |
| 45525d8d | 1743 | PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0); |
| 845ff5a4 | 1744 | |
| c143ef62 | 1745 | 0.43,6.RT,11.RA,16.D:D:::Load Halfword Algebraic with Update |
| 54e98699 MM |
1746 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 |
| 1747 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 1748 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 1749 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| c143ef62 MM |
1750 | unsigned_word EA; |
| 1751 | if (RA == 0 || RA == RT) | |
| 1752 | program_interrupt(processor, cia, | |
| 1753 | illegal_instruction_program_interrupt); | |
| 1754 | EA = *rA + EXTS(D); | |
| 1755 | *rT = MEM(signed, EA, 2); | |
| 45525d8d | 1756 | PPC_INSN_INT(RT_BITMASK | RA_BITMASK, RA_BITMASK, 0); |
| 845ff5a4 | 1757 | |
| c143ef62 | 1758 | 0.31,6.RT,11.RA,16.RB,21.375,31./:X:::Load Halfword Algebraic with Update Indexed |
| 54e98699 MM |
1759 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 |
| 1760 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 1761 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 1762 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| c143ef62 MM |
1763 | unsigned_word EA; |
| 1764 | if (RA == 0 || RA == RT) | |
| 1765 | program_interrupt(processor, cia, | |
| 1766 | illegal_instruction_program_interrupt); | |
| 1767 | EA = *rA + *rB; | |
| 1768 | *rT = MEM(signed, EA, 2); | |
| 1769 | *rA = EA; | |
| 45525d8d | 1770 | PPC_INSN_INT(RT_BITMASK | RA_BITMASK, RA_BITMASK | RB_BITMASK, 0); |
| c143ef62 MM |
1771 | |
| 1772 | 0.32,6.RT,11.RA,16.D:D:::Load Word and Zero | |
| 54e98699 MM |
1773 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 |
| 1774 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 1775 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 1776 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| c143ef62 MM |
1777 | unsigned_word b; |
| 1778 | unsigned_word EA; | |
| 1779 | if (RA == 0) b = 0; | |
| 1780 | else b = *rA; | |
| 1781 | EA = b + EXTS(D); | |
| 1782 | *rT = MEM(unsigned, EA, 4); | |
| 45525d8d | 1783 | PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1), 0); |
| 845ff5a4 | 1784 | |
| c143ef62 | 1785 | 0.31,6.RT,11.RA,16.RB,21.23,31./:X:::Load Word and Zero Indexed |
| 54e98699 MM |
1786 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 |
| 1787 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 1788 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 1789 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| c143ef62 MM |
1790 | unsigned_word b; |
| 1791 | unsigned_word EA; | |
| 1792 | if (RA == 0) b = 0; | |
| 1793 | else b = *rA; | |
| 1794 | EA = b + *rB; | |
| 1795 | *rT = MEM(unsigned, EA, 4); | |
| 45525d8d | 1796 | PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0); |
| 845ff5a4 | 1797 | |
| c143ef62 | 1798 | 0.33,6.RT,11.RA,16.D:D:::Load Word and Zero with Update |
| 54e98699 MM |
1799 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 |
| 1800 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 1801 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 1802 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| c143ef62 MM |
1803 | unsigned_word EA; |
| 1804 | if (RA == 0 || RA == RT) | |
| 1805 | program_interrupt(processor, cia, | |
| 1806 | illegal_instruction_program_interrupt); | |
| 1807 | EA = *rA + EXTS(D); | |
| 1808 | *rT = MEM(unsigned, EA, 4); | |
| 1809 | *rA = EA; | |
| 45525d8d | 1810 | PPC_INSN_INT(RT_BITMASK | RA_BITMASK, RA_BITMASK, 0); |
| 845ff5a4 | 1811 | |
| c143ef62 | 1812 | 0.31,6.RT,11.RA,16.RB,21.55,31./:X:::Load Word and Zero with Update Indexed |
| 54e98699 MM |
1813 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 |
| 1814 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 1815 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 1816 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| c143ef62 MM |
1817 | unsigned_word EA; |
| 1818 | if (RA == 0 || RA == RT) | |
| 1819 | program_interrupt(processor, cia, | |
| 1820 | illegal_instruction_program_interrupt); | |
| 1821 | EA = *rA + *rB; | |
| 1822 | *rT = MEM(unsigned, EA, 4); | |
| 1823 | *rA = EA; | |
| 45525d8d | 1824 | PPC_INSN_INT(RT_BITMASK | RA_BITMASK, RA_BITMASK | RB_BITMASK, 0); |
| c143ef62 MM |
1825 | |
| 1826 | 0.58,6.RT,11.RA,16.DS,30.2:DS:64::Load Word Algebraic | |
| 1827 | # unsigned_word b; | |
| 1828 | # unsigned_word EA; | |
| 1829 | # if (RA == 0) b = 0; | |
| 1830 | # else b = *rA; | |
| 1831 | # EA = b + EXTS(DS_0b00); | |
| 1832 | # *rT = MEM(signed, EA, 4); | |
| 845ff5a4 | 1833 | |
| c143ef62 MM |
1834 | 0.31,6.RT,11.RA,16.RB,21.341,31./:X:64::Load Word Algebraic Indexed |
| 1835 | # unsigned_word b; | |
| 1836 | # unsigned_word EA; | |
| 1837 | # if (RA == 0) b = 0; | |
| 1838 | # else b = *rA; | |
| 1839 | # EA = b + *rB;; | |
| 1840 | # *rT = MEM(signed, EA, 4); | |
| 845ff5a4 | 1841 | |
| c143ef62 MM |
1842 | 0.31,6.RT,11.RA,16.RB,21.373,31./:X:64::Load Word Algebraic with Update Indexed |
| 1843 | # unsigned_word EA; | |
| 1844 | # if (RA == 0 || RA == RT) | |
| 1845 | # program_interrupt(processor, cia | |
| 1846 | # illegal_instruction_program_interrupt); | |
| 1847 | # EA = *rA + *rB; | |
| 1848 | # *rT = MEM(signed, EA, 4); | |
| 1849 | # *rA = EA; | |
| 1850 | ||
| 1851 | 0.58,6.RT,11.RA,16.DS,30.0:DS:64::Load Doubleword | |
| 1852 | # unsigned_word b; | |
| 1853 | # unsigned_word EA; | |
| 1854 | # if (RA == 0) b = 0; | |
| 1855 | # else b = *rA; | |
| 1856 | # EA = b + EXTS(DS_0b00); | |
| 1857 | # *rT = MEM(unsigned, EA, 8); | |
| 845ff5a4 | 1858 | |
| c143ef62 MM |
1859 | 0.31,6.RT,11.RA,16.RB,21.21,31./:X:64::Load Doubleword Indexed |
| 1860 | # unsigned_word b; | |
| 1861 | # unsigned_word EA; | |
| 1862 | # if (RA == 0) b = 0; | |
| 1863 | # else b = *rA; | |
| 1864 | # EA = b + *rB; | |
| 1865 | # *rT = MEM(unsigned, EA, 8); | |
| 845ff5a4 | 1866 | |
| c143ef62 MM |
1867 | 0.58,6.RT,11.RA,16.DS,30.1:DS:64::Load Doubleword with Update |
| 1868 | # unsigned_word EA; | |
| 1869 | # if (RA == 0 || RA == RT) | |
| 1870 | # program_interrupt(processor, cia | |
| 1871 | # illegal_instruction_program_interrupt); | |
| 1872 | # EA = *rA + EXTS(DS_0b00); | |
| 1873 | # *rT = MEM(unsigned, EA, 8); | |
| 1874 | # *rA = EA; | |
| 845ff5a4 | 1875 | |
| c143ef62 MM |
1876 | 0.31,6.RT,11.RA,16.RB,21.53,31./:DS:64::Load Doubleword with Update Indexed |
| 1877 | # unsigned_word EA; | |
| 1878 | # if (RA == 0 || RA == RT) | |
| 1879 | # program_interrupt(processor, cia | |
| 1880 | # illegal_instruction_program_interrupt); | |
| 1881 | # EA = *rA + *rB; | |
| 1882 | # *rT = MEM(unsigned, EA, 8); | |
| 1883 | # *rA = EA; | |
| 1884 | ||
| 1885 | ||
| 1886 | ||
| 1887 | # | |
| 1888 | # I.3.3.3 Fixed-Point Store Instructions | |
| 1889 | # | |
| 1890 | ||
| 1891 | 0.38,6.RS,11.RA,16.D:D:::Store Byte | |
| 54e98699 MM |
1892 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 1893 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 1894 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 1895 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
| c143ef62 MM |
1896 | unsigned_word b; |
| 1897 | unsigned_word EA; | |
| 1898 | if (RA == 0) b = 0; | |
| 1899 | else b = *rA; | |
| 1900 | EA = b + EXTS(D); | |
| 1901 | STORE(EA, 1, *rS); | |
| 45525d8d | 1902 | PPC_INSN_INT(0, (RA_BITMASK & ~1) | RS_BITMASK, 0); |
| 845ff5a4 | 1903 | |
| c143ef62 | 1904 | 0.31,6.RS,11.RA,16.RB,21.215,31./:X:::Store Byte Indexed |
| 54e98699 MM |
1905 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 1906 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 1907 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 1908 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
| c143ef62 MM |
1909 | unsigned_word b; |
| 1910 | unsigned_word EA; | |
| 1911 | if (RA == 0) b = 0; | |
| 1912 | else b = *rA; | |
| 1913 | EA = b + *rB; | |
| 1914 | STORE(EA, 1, *rS); | |
| 45525d8d | 1915 | PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK | RS_BITMASK, 0); |
| 845ff5a4 | 1916 | |
| c143ef62 | 1917 | 0.39,6.RS,11.RA,16.D:D:::Store Byte with Update |
| 54e98699 MM |
1918 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 1919 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 1920 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 1921 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
| c143ef62 MM |
1922 | unsigned_word EA; |
| 1923 | if (RA == 0) | |
| 1924 | program_interrupt(processor, cia, | |
| 1925 | illegal_instruction_program_interrupt); | |
| 1926 | EA = *rA + EXTS(D); | |
| 1927 | STORE(EA, 1, *rS); | |
| 1928 | *rA = EA; | |
| 45525d8d | 1929 | PPC_INSN_INT(RA_BITMASK, RA_BITMASK | RS_BITMASK, 0); |
| 845ff5a4 | 1930 | |
| c143ef62 | 1931 | 0.31,6.RS,11.RA,16.RB,21.247,31./:X:::Store Byte with Update Indexed |
| 54e98699 MM |
1932 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 1933 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 1934 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 1935 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
| c143ef62 MM |
1936 | unsigned_word EA; |
| 1937 | if (RA == 0) | |
| 1938 | program_interrupt(processor, cia, | |
| 1939 | illegal_instruction_program_interrupt); | |
| 1940 | EA = *rA + *rB; | |
| 1941 | STORE(EA, 1, *rS); | |
| 1942 | *rA = EA; | |
| 45525d8d | 1943 | PPC_INSN_INT(RA_BITMASK, RA_BITMASK | RB_BITMASK | RS_BITMASK, 0); |
| c143ef62 MM |
1944 | |
| 1945 | 0.44,6.RS,11.RA,16.D:D:::Store Half Word | |
| 54e98699 MM |
1946 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 1947 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 1948 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 1949 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
| c143ef62 MM |
1950 | unsigned_word b; |
| 1951 | unsigned_word EA; | |
| 1952 | if (RA == 0) b = 0; | |
| 1953 | else b = *rA; | |
| 1954 | EA = b + EXTS(D); | |
| 1955 | STORE(EA, 2, *rS); | |
| 45525d8d | 1956 | PPC_INSN_INT(0, (RA_BITMASK & ~1) | RS_BITMASK, 0); |
| 845ff5a4 | 1957 | |
| c143ef62 | 1958 | 0.31,6.RS,11.RA,16.RB,21.407,31./:X:::Store Half Word Indexed |
| 54e98699 MM |
1959 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 1960 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 1961 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 1962 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
| c143ef62 MM |
1963 | unsigned_word b; |
| 1964 | unsigned_word EA; | |
| 1965 | if (RA == 0) b = 0; | |
| 1966 | else b = *rA; | |
| 1967 | EA = b + *rB; | |
| 1968 | STORE(EA, 2, *rS); | |
| 45525d8d | 1969 | PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK | RS_BITMASK, 0); |
| 845ff5a4 | 1970 | |
| c143ef62 | 1971 | 0.45,6.RS,11.RA,16.D:D:::Store Half Word with Update |
| 54e98699 MM |
1972 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 1973 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 1974 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 1975 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
| c143ef62 MM |
1976 | unsigned_word EA; |
| 1977 | if (RA == 0) | |
| 1978 | program_interrupt(processor, cia, | |
| 1979 | illegal_instruction_program_interrupt); | |
| 1980 | EA = *rA + EXTS(D); | |
| 1981 | STORE(EA, 2, *rS); | |
| 1982 | *rA = EA; | |
| 45525d8d | 1983 | PPC_INSN_INT(RA_BITMASK, RA_BITMASK | RS_BITMASK, 0); |
| 845ff5a4 | 1984 | |
| c143ef62 | 1985 | 0.31,6.RS,11.RA,16.RB,21.439,31./:X:::Store Half Word with Update Indexed |
| 54e98699 MM |
1986 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 1987 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 1988 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 1989 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
| c143ef62 MM |
1990 | unsigned_word EA; |
| 1991 | if (RA == 0) | |
| 1992 | program_interrupt(processor, cia, | |
| 1993 | illegal_instruction_program_interrupt); | |
| 1994 | EA = *rA + *rB; | |
| 1995 | STORE(EA, 2, *rS); | |
| 1996 | *rA = EA; | |
| 45525d8d | 1997 | PPC_INSN_INT(RA_BITMASK, RA_BITMASK | RB_BITMASK | RS_BITMASK, 0); |
| c143ef62 MM |
1998 | |
| 1999 | 0.36,6.RS,11.RA,16.D:D:::Store Word | |
| 54e98699 MM |
2000 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2001 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 2002 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 2003 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
| c143ef62 MM |
2004 | unsigned_word b; |
| 2005 | unsigned_word EA; | |
| 2006 | if (RA == 0) b = 0; | |
| 2007 | else b = *rA; | |
| 2008 | EA = b + EXTS(D); | |
| 2009 | STORE(EA, 4, *rS); | |
| 45525d8d | 2010 | PPC_INSN_INT(0, (RA_BITMASK & ~1) | RS_BITMASK, 0); |
| 845ff5a4 | 2011 | |
| c143ef62 | 2012 | 0.31,6.RS,11.RA,16.RB,21.151,31./:X:::Store Word Indexed |
| 54e98699 MM |
2013 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2014 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 2015 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 2016 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
| c143ef62 MM |
2017 | unsigned_word b; |
| 2018 | unsigned_word EA; | |
| 2019 | if (RA == 0) b = 0; | |
| 2020 | else b = *rA; | |
| 2021 | EA = b + *rB; | |
| 2022 | STORE(EA, 4, *rS); | |
| 45525d8d | 2023 | PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK | RS_BITMASK, 0); |
| 845ff5a4 | 2024 | |
| c143ef62 | 2025 | 0.37,6.RS,11.RA,16.D:D:::Store Word with Update |
| 54e98699 MM |
2026 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2027 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 2028 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 2029 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
| c143ef62 MM |
2030 | unsigned_word EA; |
| 2031 | if (RA == 0) | |
| 2032 | program_interrupt(processor, cia, | |
| 2033 | illegal_instruction_program_interrupt); | |
| 2034 | EA = *rA + EXTS(D); | |
| 2035 | STORE(EA, 4, *rS); | |
| 2036 | *rA = EA; | |
| 45525d8d | 2037 | PPC_INSN_INT(RA_BITMASK, RA_BITMASK | RS_BITMASK, 0); |
| 845ff5a4 | 2038 | |
| c143ef62 | 2039 | 0.31,6.RS,11.RA,16.RB,21.183,31./:X:::Store Word with Update Indexed |
| 54e98699 MM |
2040 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2041 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 2042 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 2043 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
| c143ef62 MM |
2044 | unsigned_word EA; |
| 2045 | if (RA == 0) | |
| 2046 | program_interrupt(processor, cia, | |
| 2047 | illegal_instruction_program_interrupt); | |
| 2048 | EA = *rA + *rB; | |
| 2049 | STORE(EA, 4, *rS); | |
| 2050 | *rA = EA; | |
| 45525d8d | 2051 | PPC_INSN_INT(RA_BITMASK, RA_BITMASK | RB_BITMASK | RS_BITMASK, 0); |
| c143ef62 MM |
2052 | |
| 2053 | 0.62,6.RS,11.RA,16.DS,30.0:DS:64::Store Doubleword | |
| 2054 | # unsigned_word b; | |
| 2055 | # unsigned_word EA; | |
| 2056 | # if (RA == 0) b = 0; | |
| 2057 | # else b = *rA; | |
| 2058 | # EA = b + EXTS(DS_0b00); | |
| 2059 | # STORE(EA, 8, *rS); | |
| 2060 | 0.31,6.RS,11.RA,16.RB,21.149,31./:X:64::Store Doubleword Indexed | |
| 2061 | # unsigned_word b; | |
| 2062 | # unsigned_word EA; | |
| 2063 | # if (RA == 0) b = 0; | |
| 2064 | # else b = *rA; | |
| 2065 | # EA = b + *rB; | |
| 2066 | # STORE(EA, 8, *rS); | |
| 2067 | 0.62,6.RS,11.RA,16.DS,30.1:DS:64::Store Doubleword with Update | |
| 2068 | # unsigned_word EA; | |
| 2069 | # if (RA == 0) | |
| 2070 | # program_interrupt(processor, cia | |
| 2071 | # illegal_instruction_program_interrupt); | |
| 2072 | # EA = *rA + EXTS(DS_0b00); | |
| 2073 | # STORE(EA, 8, *rS); | |
| 2074 | # *rA = EA; | |
| 2075 | 0.31,6.RS,11.RA,16.RB,21.181,31./:X:64::Store Doubleword with Update Indexed | |
| 2076 | # unsigned_word EA; | |
| 2077 | # if (RA == 0) | |
| 2078 | # program_interrupt(processor, cia | |
| 2079 | # illegal_instruction_program_interrupt); | |
| 2080 | # EA = *rA + *rB; | |
| 2081 | # STORE(EA, 8, *rS); | |
| 2082 | # *rA = EA; | |
| 2083 | ||
| 2084 | ||
| 2085 | # | |
| 2086 | # I.3.3.4 Fixed-Point Load and Store with Byte Reversal Instructions | |
| 2087 | # | |
| 2088 | ||
| 2089 | 0.31,6.RT,11.RA,16.RB,21.790,31./:X:::Load Halfword Byte-Reverse Indexed | |
| 54e98699 MM |
2090 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2091 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 2092 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 2093 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
| 73c4941b MM |
2094 | unsigned_word b; |
| 2095 | unsigned_word EA; | |
| 2096 | if (RA == 0) b = 0; | |
| 2097 | else b = *rA; | |
| 2098 | EA = b + *rB; | |
| 2099 | *rT = SWAP_2(MEM(unsigned, EA, 2)); | |
| 45525d8d | 2100 | PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0); |
| 845ff5a4 | 2101 | |
| c143ef62 | 2102 | 0.31,6.RT,11.RA,16.RB,21.534,31./:X:::Load Word Byte-Reverse Indexed |
| 54e98699 MM |
2103 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2104 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 2105 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 2106 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
| 73c4941b MM |
2107 | unsigned_word b; |
| 2108 | unsigned_word EA; | |
| 2109 | if (RA == 0) b = 0; | |
| 2110 | else b = *rA; | |
| 2111 | EA = b + *rB; | |
| 2112 | *rT = SWAP_4(MEM(unsigned, EA, 4)); | |
| 45525d8d | 2113 | PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0); |
| c143ef62 MM |
2114 | |
| 2115 | 0.31,6.RS,11.RA,16.RB,21.918,31./:X:::Store Half Word Byte-Reversed Indexed | |
| 54e98699 MM |
2116 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2117 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 2118 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 2119 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
| 73c4941b MM |
2120 | unsigned_word b; |
| 2121 | unsigned_word EA; | |
| 2122 | if (RA == 0) b = 0; | |
| 2123 | else b = *rA; | |
| 2124 | EA = b + *rB; | |
| 2125 | STORE(EA, 2, SWAP_2(*rS)); | |
| 45525d8d | 2126 | PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK | RS_BITMASK, 0); |
| 845ff5a4 | 2127 | |
| c143ef62 | 2128 | 0.31,6.RS,11.RA,16.RB,21.662,31./:X:::Store Word Byte-Reversed Indexed |
| 54e98699 MM |
2129 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2130 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 2131 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 2132 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
| 73c4941b MM |
2133 | unsigned_word b; |
| 2134 | unsigned_word EA; | |
| 2135 | if (RA == 0) b = 0; | |
| 2136 | else b = *rA; | |
| 2137 | EA = b + *rB; | |
| 2138 | STORE(EA, 4, SWAP_4(*rS)); | |
| 45525d8d | 2139 | PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK | RS_BITMASK, 0); |
| c143ef62 MM |
2140 | |
| 2141 | ||
| 2142 | # | |
| 2143 | # I.3.3.5 Fixed-Point Load and Store Multiple Instrctions | |
| 2144 | # | |
| 2145 | ||
| 2146 | 0.46,6.RT,11.RA,16.D:D:be::Load Multiple Word | |
| 845ff5a4 | 2147 | |
| c143ef62 MM |
2148 | 0.47,6.RS,11.RA,16.D:D:be::Store Multiple Word |
| 2149 | ||
| 2150 | ||
| 2151 | # | |
| 2152 | # I.3.3.6 Fixed-Point Move Assist Instructions | |
| 2153 | # | |
| 2154 | ||
| 2155 | 0.31,6.RT,11.RA,16.NB,21.597,31./:X:be::Load String Word Immediate | |
| 845ff5a4 | 2156 | |
| c143ef62 MM |
2157 | 0.31,6.RT,11.RA,16.RB,21.533,31./:X:be::Load String Word Indexed |
| 2158 | ||
| 2159 | 0.31,6.RS,11.RA,16.NB,21.725,31./:X:be::Store String Word Immedate | |
| 845ff5a4 | 2160 | |
| c143ef62 MM |
2161 | 0.31,6.RS,11.RA,16.RB,21.661,31./:X:be::Store String Word Indexed |
| 2162 | ||
| 2163 | ||
| 2164 | # | |
| 2165 | # I.3.3.7 Storage Synchronization Instructions | |
| 2166 | # | |
| 2167 | # HACK: Rather than monitor addresses looking for a reason | |
| 2168 | # to cancel a reservation. This code instead keeps | |
| 2169 | # a copy of the data read from memory. Before performing | |
| 2170 | # a store, the memory area is checked to see if it has | |
| 2171 | # been changed. | |
| 2172 | 0.31,6.RT,11.RA,16.RB,21.20,31./:X:::Load Word And Reserve Indexed | |
| 54e98699 MM |
2173 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 2, 2, 0 |
| 2174 | *603: PPC_UNIT_LSU, PPC_UNIT_IU, 1, 2, 0 | |
| 2175 | *603e:PPC_UNIT_LSU, PPC_UNIT_IU, 1, 2, 0 | |
| 2176 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
| c143ef62 MM |
2177 | unsigned_word b; |
| 2178 | unsigned_word EA; | |
| 2179 | if (RA == 0) b = 0; | |
| 2180 | else b = *rA; | |
| 2181 | EA = b + *rB; | |
| 2182 | RESERVE = 1; | |
| 2183 | RESERVE_ADDR = real_addr(EA, 1/*is-read?*/); | |
| 2184 | RESERVE_DATA = MEM(unsigned, EA, 4); | |
| 2185 | *rT = RESERVE_DATA; | |
| 45525d8d | 2186 | PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0); |
| 845ff5a4 | 2187 | |
| c143ef62 MM |
2188 | 0.31,6.RT,11.RA,16.RB,21.84,31./:X:64::Load Doubleword And Reserve Indexed |
| 2189 | unsigned_word b; | |
| 2190 | unsigned_word EA; | |
| 2191 | if (RA == 0) b = 0; | |
| 2192 | else b = *rA; | |
| 2193 | EA = b + *rB; | |
| 2194 | RESERVE = 1; | |
| 2195 | RESERVE_ADDR = real_addr(EA, 1/*is-read?*/); | |
| 2196 | RESERVE_DATA = MEM(unsigned, EA, 8); | |
| 2197 | *rT = RESERVE_DATA; | |
| 45525d8d | 2198 | PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0); |
| c143ef62 MM |
2199 | |
| 2200 | 0.31,6.RS,11.RA,16.RB,21.150,31.1:X:::Store Word Conditional Indexed | |
| 54e98699 MM |
2201 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2202 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 8, 8, 0 | |
| 2203 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 8, 8, 0 | |
| 2204 | *604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 3, 0 | |
| c143ef62 MM |
2205 | unsigned_word b; |
| 2206 | unsigned_word EA; | |
| 2207 | if (RA == 0) b = 0; | |
| 2208 | else b = *rA; | |
| 2209 | EA = b + *rB; | |
| 2210 | if (RESERVE) { | |
| 2211 | if (RESERVE_ADDR == real_addr(EA, 0/*is-read?*/) | |
| 2212 | && /*HACK*/ RESERVE_DATA == MEM(unsigned, EA, 4)) { | |
| 2213 | STORE(EA, 4, *rS); | |
| 2214 | CR_SET_XER_SO(0, cr_i_zero); | |
| 2215 | } | |
| 2216 | else { | |
| 2217 | /* ment to randomly to store, we never do! */ | |
| 2218 | CR_SET_XER_SO(0, 0); | |
| 2219 | } | |
| 2220 | RESERVE = 0; | |
| 2221 | } | |
| 2222 | else { | |
| 2223 | CR_SET_XER_SO(0, 0); | |
| 2224 | } | |
| 45525d8d MM |
2225 | PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK | RS_BITMASK, 1/*Rc*/); |
| 2226 | ||
| c143ef62 MM |
2227 | 0.31,6.RS,11.RA,16.RB,21.214,31.1:X:64::Store Doubleword Conditional Indexed |
| 2228 | unsigned_word b; | |
| 2229 | unsigned_word EA; | |
| 2230 | if (RA == 0) b = 0; | |
| 2231 | else b = *rA; | |
| 2232 | EA = b + *rB; | |
| 2233 | if (RESERVE) { | |
| 2234 | if (RESERVE_ADDR == real_addr(EA, 0/*is-read?*/) | |
| 2235 | && /*HACK*/ RESERVE_DATA == MEM(unsigned, EA, 8)) { | |
| 2236 | STORE(EA, 8, *rS); | |
| 2237 | CR_SET_XER_SO(0, cr_i_zero); | |
| 2238 | } | |
| 2239 | else { | |
| 2240 | /* ment to randomly to store, we never do */ | |
| 2241 | CR_SET_XER_SO(0, 0); | |
| 2242 | } | |
| 2243 | RESERVE = 0; | |
| 2244 | } | |
| 2245 | else { | |
| 2246 | CR_SET_XER_SO(0, 0); | |
| 2247 | } | |
| 45525d8d | 2248 | PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK | RS_BITMASK, 1/*Rc*/); |
| c143ef62 MM |
2249 | |
| 2250 | 0.31,6./,11./,16./,21.598,31./:X::sync:Synchronize | |
| 54e98699 MM |
2251 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2252 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
| 2253 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
| 2254 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 1, 0 | |
| c143ef62 MM |
2255 | /* do nothing */ |
| 2256 | ||
| 2257 | ||
| 2258 | # | |
| 2259 | # I.3.3.9 Fixed-Point Arithmetic Instructions | |
| 2260 | # | |
| 2261 | ||
| 2262 | 0.14,6.RT,11.RA,16.SI:D:T::Add Immediate | |
| 54e98699 MM |
2263 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2264 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2265 | *603e:PPC_UNIT_IU, PPC_UNIT_SRU, 1, 1, 0 | |
| 2266 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
| 45525d8d MM |
2267 | if (RA_is_0) *rT = EXTS(SI); |
| 2268 | else *rT = *rA + EXTS(SI); | |
| 4ffd6ed0 | 2269 | ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rT, (long)*rT)); |
| 45525d8d | 2270 | PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1), 0); |
| 80948f39 | 2271 | |
| c143ef62 | 2272 | 0.15,6.RT,11.RA,16.SI:D:::Add Immediate Shifted |
| 54e98699 MM |
2273 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2274 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2275 | *603e:PPC_UNIT_IU, PPC_UNIT_SRU, 1, 1, 0 | |
| 2276 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
| 45525d8d MM |
2277 | if (RA_is_0) *rT = EXTS(SI) << 16; |
| 2278 | else *rT = *rA + (EXTS(SI) << 16); | |
| 4ffd6ed0 | 2279 | ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rT, (long)*rT)); |
| 45525d8d | 2280 | PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1), 0); |
| 80948f39 | 2281 | |
| c143ef62 | 2282 | 0.31,6.RT,11.RA,16.RB,21.OE,22.266,31.Rc:XO:::Add |
| 54e98699 MM |
2283 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2284 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2285 | *603e:PPC_UNIT_IU, PPC_UNIT_SRU, 1, 1, 0 | |
| 2286 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
| c143ef62 MM |
2287 | ALU_BEGIN(*rA); |
| 2288 | ALU_ADD(*rB); | |
| 2289 | ALU_END(*rT, 0/*CA*/, OE, Rc); | |
| 45525d8d | 2290 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc); |
| 80948f39 | 2291 | |
| c143ef62 | 2292 | 0.31,6.RT,11.RA,16.RB,21.OE,22.40,31.Rc:XO:::Subtract From |
| 54e98699 MM |
2293 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2294 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2295 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2296 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
| c143ef62 MM |
2297 | ALU_BEGIN(*rA); |
| 2298 | ALU_NOT; | |
| 2299 | ALU_ADD(*rB); | |
| 2300 | ALU_ADD(1); | |
| 2301 | ALU_END(*rT, 0/*CA*/, OE, Rc); | |
| 45525d8d | 2302 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc); |
| 80948f39 | 2303 | |
| c143ef62 | 2304 | 0.12,6.RT,11.RA,16.SI:D:::Add Immediate Carrying |
| 54e98699 MM |
2305 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2306 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2307 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2308 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
| c143ef62 MM |
2309 | ALU_BEGIN(*rA); |
| 2310 | ALU_ADD(EXTS(SI)); | |
| 2311 | ALU_END(*rT, 1/*CA*/, 0/*OE*/, 0/*Rc*/); | |
| 45525d8d | 2312 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK, 0/*Rc*/); |
| 80948f39 | 2313 | |
| c143ef62 | 2314 | 0.13,6.RT,11.RA,16.SI:D:::Add Immediate Carrying and Record |
| 54e98699 MM |
2315 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2316 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2317 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2318 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
| c143ef62 MM |
2319 | ALU_BEGIN(*rA); |
| 2320 | ALU_ADD(EXTS(SI)); | |
| 2321 | ALU_END(*rT, 1/*CA*/, 0/*OE*/, 1/*Rc*/); | |
| 45525d8d | 2322 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK, 1/*Rc*/); |
| 80948f39 | 2323 | |
| c143ef62 | 2324 | 0.8,6.RT,11.RA,16.SI:D:::Subtract From Immediate Carrying |
| 54e98699 MM |
2325 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2326 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2327 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2328 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
| c143ef62 MM |
2329 | ALU_BEGIN(*rA); |
| 2330 | ALU_NOT; | |
| 2331 | ALU_ADD(EXTS(SI)); | |
| 2332 | ALU_ADD(1); | |
| 2333 | ALU_END(*rT, 1/*CA*/, 0/*OE*/, 0/*Rc*/); | |
| 45525d8d | 2334 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK, 0/*Rc*/); |
| 80948f39 | 2335 | |
| c143ef62 | 2336 | 0.31,6.RT,11.RA,16.RB,21.OE,22.10,31.Rc:XO:::Add Carrying |
| 54e98699 MM |
2337 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2338 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2339 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2340 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
| c143ef62 MM |
2341 | ALU_BEGIN(*rA); |
| 2342 | ALU_ADD(*rB); | |
| 2343 | ALU_END(*rT, 1/*CA*/, OE, Rc); | |
| 45525d8d | 2344 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc); |
| 80948f39 | 2345 | |
| c143ef62 | 2346 | 0.31,6.RT,11.RA,16.RB,21.OE,22.8,31.Rc:XO:::Subtract From Carrying |
| 54e98699 MM |
2347 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2348 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2349 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2350 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
| c143ef62 MM |
2351 | /* RT <- ~RA + RB + 1 === RT <- RB - RA */ |
| 2352 | ALU_BEGIN(*rA); | |
| 2353 | ALU_NOT; | |
| 2354 | ALU_ADD(*rB); | |
| 2355 | ALU_ADD(1); | |
| 2356 | ALU_END(*rT, 1/*CA*/, OE, Rc); | |
| 45525d8d | 2357 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc); |
| 80948f39 | 2358 | |
| c143ef62 | 2359 | 0.31,6.RT,11.RA,16.RB,21.OE,22.138,31.Rc:XO:::Add Extended |
| 54e98699 MM |
2360 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2361 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2362 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2363 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
| c143ef62 MM |
2364 | ALU_BEGIN(*rA); |
| 2365 | ALU_ADD(*rB); | |
| 2366 | ALU_ADD_CA; | |
| 2367 | ALU_END(*rT, 1/*CA*/, OE, Rc); | |
| 45525d8d | 2368 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc); |
| 80948f39 | 2369 | |
| c143ef62 | 2370 | 0.31,6.RT,11.RA,16.RB,21.OE,22.136,31.Rc:XO:::Subtract From Extended |
| 54e98699 MM |
2371 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2372 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2373 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2374 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
| c143ef62 MM |
2375 | ALU_BEGIN(*rA); |
| 2376 | ALU_NOT; | |
| 2377 | ALU_ADD(*rB); | |
| 2378 | ALU_ADD_CA; | |
| 2379 | ALU_END(*rT, 1/*CA*/, OE, Rc); | |
| 45525d8d | 2380 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc); |
| 80948f39 | 2381 | |
| c143ef62 | 2382 | 0.31,6.RT,11.RA,16./,21.OE,22.234,31.Rc:XO:::Add to Minus One Extended |
| 54e98699 MM |
2383 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2384 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2385 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2386 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
| 4ffd6ed0 MM |
2387 | ALU_BEGIN(*rA); |
| 2388 | ALU_ADD_CA; | |
| 2389 | ALU_ADD(-1); | |
| 2390 | ALU_END(*rT, 1/*CA*/, OE, Rc); | |
| 2391 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK, Rc); | |
| 80948f39 | 2392 | |
| c143ef62 | 2393 | 0.31,6.RT,11.RA,16./,21.OE,22.232,31.Rc:XO:::Subtract From Minus One Extended |
| 54e98699 MM |
2394 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2395 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2396 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2397 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
| 4ffd6ed0 MM |
2398 | ALU_BEGIN(*rA); |
| 2399 | ALU_NOT; | |
| 2400 | ALU_ADD_CA; | |
| 2401 | ALU_ADD(-1); | |
| 2402 | ALU_END(*rT, 1/*CA*/, OE, Rc); | |
| 2403 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK, Rc); | |
| 80948f39 | 2404 | |
| c143ef62 | 2405 | 0.31,6.RT,11.RA,16./,21.OE,22.202,31.Rc:XO::addze:Add to Zero Extended |
| 54e98699 MM |
2406 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2407 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2408 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2409 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
| c143ef62 MM |
2410 | ALU_BEGIN(*rA); |
| 2411 | ALU_ADD_CA; | |
| 2412 | ALU_END(*rT, 1/*CA*/, OE, Rc); | |
| 45525d8d | 2413 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK, Rc); |
| 80948f39 | 2414 | |
| c143ef62 | 2415 | 0.31,6.RT,11.RA,16./,21.OE,22.200,31.Rc:XO:::Subtract from Zero Extended |
| 54e98699 MM |
2416 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2417 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2418 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2419 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
| c143ef62 MM |
2420 | ALU_BEGIN(*rA); |
| 2421 | ALU_NOT; | |
| 2422 | ALU_ADD_CA; | |
| 2423 | ALU_END(*rT, 1/*CA*/, OE, Rc); | |
| 45525d8d | 2424 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK, Rc); |
| 80948f39 | 2425 | |
| c143ef62 | 2426 | 0.31,6.RT,11.RA,16./,21.OE,22.104,31.Rc:XO:::Negate |
| 54e98699 MM |
2427 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2428 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2429 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2430 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
| c143ef62 MM |
2431 | ALU_BEGIN(*rA); |
| 2432 | ALU_NOT; | |
| 2433 | ALU_ADD(1); | |
| 2434 | ALU_END(*rT,0/*CA*/,OE,Rc); | |
| 45525d8d | 2435 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK, Rc); |
| 80948f39 | 2436 | |
| c143ef62 | 2437 | 0.7,6.RT,11.RA,16.SI:D::mulli:Multiply Low Immediate |
| 54e98699 MM |
2438 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 5, 5, 0 |
| 2439 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0 | |
| 2440 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0 | |
| 2441 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 3, 3, 0 | |
| c143ef62 MM |
2442 | signed_word prod = *rA * EXTS(SI); |
| 2443 | *rT = prod; | |
| 45525d8d | 2444 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK, 0/*Rc*/); |
| 80948f39 | 2445 | |
| c143ef62 | 2446 | 0.31,6.RT,11.RA,16.RB,21.OE,22.233,31.Rc:D:64::Multiply Low Doubleword |
| 80948f39 | 2447 | |
| c143ef62 | 2448 | 0.31,6.RT,11.RA,16.RB,21.OE,22.235,31.Rc:XO::mullw:Multiply Low Word |
| 54e98699 MM |
2449 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 5, 5, 0 |
| 2450 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 5, 5, 0 | |
| 2451 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 5, 5, 0 | |
| 2452 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 4, 4, 0 | |
| c143ef62 MM |
2453 | signed64 a = (signed32)(*rA); |
| 2454 | signed64 b = (signed32)(*rB); | |
| 2455 | signed64 prod = a * b; | |
| 2456 | signed_word t = prod; | |
| 2457 | *rT = *rA * *rB; | |
| 2458 | if (t != prod && OE) | |
| 2459 | XER |= (xer_overflow | xer_summary_overflow); | |
| 2460 | CR0_COMPARE(t, 0, Rc); | |
| 45525d8d | 2461 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc); |
| 80948f39 | 2462 | |
| c143ef62 | 2463 | 0.31,6.RT,11.RA,16.RB,21./,22.73,31.Rc:XO:64::Multiply High Doubleword |
| 80948f39 | 2464 | |
| c143ef62 | 2465 | 0.31,6.RT,11.RA,16.RB,21./,22.75,31.Rc:XO::mulhw:Multiply High Word |
| 54e98699 MM |
2466 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 5, 5, 0 |
| 2467 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 5, 5, 0 | |
| 2468 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 5, 5, 0 | |
| 2469 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 4, 4, 0 | |
| c143ef62 MM |
2470 | signed64 a = (signed32)(*rA); |
| 2471 | signed64 b = (signed32)(*rB); | |
| 2472 | signed64 prod = a * b; | |
| 2473 | signed_word t = EXTRACTED64(prod, 0, 31); | |
| 2474 | *rT = t; | |
| 2475 | CR0_COMPARE(t, 0, Rc); | |
| 45525d8d | 2476 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc); |
| 80948f39 | 2477 | |
| c143ef62 | 2478 | 0.31,6.RT,11.RA,16.RB,21./,22.9,31.Rc:XO:64::Multiply High Doubleword Unsigned |
| 80948f39 | 2479 | |
| c143ef62 | 2480 | 0.31,6.RT,11.RA,16.RB,21./,22.11,31.Rc:XO::milhwu:Multiply High Word Unsigned |
| 54e98699 MM |
2481 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 10, 10, 0 |
| 2482 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 6, 6, 0 | |
| 2483 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 6, 6, 0 | |
| 2484 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 4, 4, 0 | |
| c143ef62 MM |
2485 | unsigned64 a = (unsigned32)(*rA); |
| 2486 | unsigned64 b = (unsigned32)(*rB); | |
| 2487 | unsigned64 prod = a * b; | |
| 2488 | signed_word t = EXTRACTED64(prod, 0, 31); | |
| 2489 | *rT = t; | |
| 2490 | CR0_COMPARE(t, 0, Rc); | |
| 45525d8d | 2491 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc); |
| 80948f39 | 2492 | |
| c143ef62 | 2493 | 0.31,6.RT,11.RA,16.RB,21.OE,22.489,31.Rc:XO:64::Divide Doubleword |
| 80948f39 | 2494 | |
| c143ef62 | 2495 | 0.31,6.RT,11.RA,16.RB,21.OE,22.491,31.Rc:XO::divw:Divide Word |
| 54e98699 MM |
2496 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 36, 36, 0 |
| 2497 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 37, 37, 0 | |
| 2498 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 37, 37, 0 | |
| 2499 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 20, 20, 0 | |
| c143ef62 MM |
2500 | signed64 dividend = (signed32)(*rA); |
| 2501 | signed64 divisor = (signed32)(*rB); | |
| 2502 | if (divisor == 0 /* nb 0x8000..0 is sign extended */ | |
| 2503 | || (dividend == 0x80000000 && divisor == -1)) { | |
| 2504 | if (OE) | |
| 2505 | XER |= (xer_overflow | xer_summary_overflow); | |
| 2506 | CR0_COMPARE(0, 0, Rc); | |
| 2507 | } | |
| 2508 | else { | |
| 2509 | signed64 quotent = dividend / divisor; | |
| 2510 | *rT = quotent; | |
| 2511 | CR0_COMPARE((signed_word)quotent, 0, Rc); | |
| 2512 | } | |
| 45525d8d | 2513 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc); |
| 54e98699 | 2514 | |
| c143ef62 | 2515 | 0.31,6.RT,11.RA,16.RB,21.OE,22.457,31.Rc:XO:64::Divide Doubleword Unsigned |
| 80948f39 | 2516 | |
| c143ef62 | 2517 | 0.31,6.RT,11.RA,16.RB,21.OE,22.459,31.Rc:XO::divwu:Divide Word Unsigned |
| 54e98699 MM |
2518 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 36, 36, 0 |
| 2519 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 37, 37, 0 | |
| 2520 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 37, 37, 0 | |
| 2521 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 20, 20, 0 | |
| c143ef62 MM |
2522 | unsigned64 dividend = (unsigned32)(*rA); |
| 2523 | unsigned64 divisor = (unsigned32)(*rB); | |
| 2524 | if (divisor == 0) { | |
| 2525 | if (OE) | |
| 2526 | XER |= (xer_overflow | xer_summary_overflow); | |
| 2527 | CR0_COMPARE(0, 0, Rc); | |
| 2528 | } | |
| 2529 | else { | |
| 2530 | unsigned64 quotent = dividend / divisor; | |
| 2531 | *rT = quotent; | |
| 2532 | CR0_COMPARE((signed_word)quotent, 0, Rc); | |
| 2533 | } | |
| 45525d8d | 2534 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc); |
| c143ef62 MM |
2535 | |
| 2536 | ||
| 2537 | # | |
| 2538 | # I.3.3.10 Fixed-Point Compare Instructions | |
| 2539 | # | |
| 2540 | ||
| 2541 | 0.11,6.BF,9./,10.L,11.RA,16.SI:D:::Compare Immediate | |
| 54e98699 MM |
2542 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2543 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2544 | *603e:PPC_UNIT_IU, PPC_UNIT_SRU, 1, 1, 0 | |
| 2545 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
| c143ef62 MM |
2546 | if (!is_64bit_mode && L) |
| 2547 | program_interrupt(processor, cia, | |
| 2548 | illegal_instruction_program_interrupt); | |
| 2549 | else { | |
| 2550 | signed_word a; | |
| 2551 | signed_word b = EXTS(SI); | |
| 2552 | if (L == 0) | |
| 2553 | a = EXTENDED(*rA); | |
| 2554 | else | |
| 2555 | a = *rA; | |
| 2556 | CR_COMPARE(BF, a, b); | |
| 2557 | } | |
| 45525d8d | 2558 | PPC_INSN_INT_CR(0, RA_BITMASK, BF_BITMASK); |
| 845ff5a4 | 2559 | |
| c143ef62 | 2560 | 0.31,6.BF,9./,10.L,11.RA,16.RB,21.0,31./:X:::Compare |
| 54e98699 MM |
2561 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2562 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2563 | *603e:PPC_UNIT_IU, PPC_UNIT_SRU, 1, 1, 0 | |
| 2564 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
| c143ef62 MM |
2565 | if (!is_64bit_mode && L) |
| 2566 | program_interrupt(processor, cia, | |
| 2567 | illegal_instruction_program_interrupt); | |
| 2568 | else { | |
| 2569 | signed_word a; | |
| 2570 | signed_word b; | |
| 2571 | if (L == 0) { | |
| 2572 | a = EXTENDED(*rA); | |
| 2573 | b = EXTENDED(*rB); | |
| 2574 | } | |
| 2575 | else { | |
| 2576 | a = *rA; | |
| 2577 | b = *rB; | |
| 2578 | } | |
| 2579 | CR_COMPARE(BF, a, b); | |
| 2580 | } | |
| 45525d8d | 2581 | PPC_INSN_INT_CR(0, RA_BITMASK | RB_BITMASK, BF_BITMASK); |
| 845ff5a4 | 2582 | |
| c143ef62 | 2583 | 0.10,6.BF,9./,10.L,11.RA,16.UI:D:::Compare Logical Immediate |
| 54e98699 MM |
2584 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2585 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2586 | *603e:PPC_UNIT_IU, PPC_UNIT_SRU, 1, 1, 0 | |
| 2587 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
| c143ef62 MM |
2588 | if (!is_64bit_mode && L) |
| 2589 | program_interrupt(processor, cia, | |
| 2590 | illegal_instruction_program_interrupt); | |
| 2591 | else { | |
| 2592 | unsigned_word a; | |
| 2593 | unsigned_word b = UI; | |
| 2594 | if (L == 0) | |
| 2595 | a = MASKED(*rA, 32, 63); | |
| 2596 | else | |
| 2597 | a = *rA; | |
| 2598 | CR_COMPARE(BF, a, b); | |
| 2599 | } | |
| 45525d8d | 2600 | PPC_INSN_INT_CR(0, RA_BITMASK, BF_BITMASK); |
| 845ff5a4 | 2601 | |
| c143ef62 | 2602 | 0.31,6.BF,9./,10.L,11.RA,16.RB,21.32,31./:X:::Compare Logical |
| 54e98699 MM |
2603 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2604 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2605 | *603e:PPC_UNIT_IU, PPC_UNIT_SRU, 1, 1, 0 | |
| 2606 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
| c143ef62 MM |
2607 | if (!is_64bit_mode && L) |
| 2608 | program_interrupt(processor, cia, | |
| 2609 | illegal_instruction_program_interrupt); | |
| 2610 | else { | |
| 2611 | unsigned_word a; | |
| 2612 | unsigned_word b; | |
| 2613 | if (L == 0) { | |
| 2614 | a = MASKED(*rA, 32, 63); | |
| 2615 | b = MASKED(*rB, 32, 63); | |
| 2616 | } | |
| 2617 | else { | |
| 2618 | a = *rA; | |
| 2619 | b = *rB; | |
| 2620 | } | |
| 2621 | CR_COMPARE(BF, a, b); | |
| 2622 | } | |
| 45525d8d | 2623 | PPC_INSN_INT_CR(0, RA_BITMASK | RB_BITMASK, BF_BITMASK); |
| c143ef62 MM |
2624 | |
| 2625 | ||
| 2626 | # | |
| 2627 | # I.3.3.11 Fixed-Point Trap Instructions | |
| 2628 | # | |
| 2629 | ||
| 2630 | 0.2,6.TO,11.RA,16.SI:D:64::Trap Doubleword Immediate | |
| 2631 | if (!is_64bit_mode) | |
| 2632 | program_interrupt(processor, cia, | |
| 2633 | illegal_instruction_program_interrupt); | |
| 2634 | else { | |
| 2635 | signed_word a = *rA; | |
| 2636 | signed_word b = EXTS(SI); | |
| 2637 | if ((a < b && TO{0}) | |
| 2638 | || (a > b && TO{1}) | |
| 2639 | || (a == b && TO{2}) | |
| 2640 | || ((unsigned_word)a < (unsigned_word)b && TO{3}) | |
| 2641 | || ((unsigned_word)a > (unsigned_word)b && TO{4}) | |
| 2642 | ) | |
| 2643 | program_interrupt(processor, cia, | |
| 2644 | trap_program_interrupt); | |
| 2645 | } | |
| 845ff5a4 | 2646 | |
| c143ef62 | 2647 | 0.3,6.TO,11.RA,16.SI:D:::Trap Word Immediate |
| 54e98699 MM |
2648 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2649 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 2, 2, 0 | |
| 2650 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 2, 2, 0 | |
| 2651 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
| c143ef62 MM |
2652 | signed_word a = EXTENDED(*rA); |
| 2653 | signed_word b = EXTS(SI); | |
| 2654 | if ((a < b && TO{0}) | |
| 2655 | || (a > b && TO{1}) | |
| 2656 | || (a == b && TO{2}) | |
| 2657 | || ((unsigned_word)a < (unsigned_word)b && TO{3}) | |
| 2658 | || ((unsigned_word)a > (unsigned_word)b && TO{4}) | |
| 2659 | ) | |
| 2660 | program_interrupt(processor, cia, | |
| 2661 | trap_program_interrupt); | |
| 845ff5a4 | 2662 | |
| c143ef62 MM |
2663 | 0.31,6.TO,11.RA,16.RB,21.68,31./:X:64::Trap Doubleword |
| 2664 | if (!is_64bit_mode) | |
| 2665 | program_interrupt(processor, cia, | |
| 2666 | illegal_instruction_program_interrupt); | |
| 2667 | else { | |
| 2668 | signed_word a = *rA; | |
| 2669 | signed_word b = *rB; | |
| 2670 | if ((a < b && TO{0}) | |
| 2671 | || (a > b && TO{1}) | |
| 2672 | || (a == b && TO{2}) | |
| 2673 | || ((unsigned_word)a < (unsigned_word)b && TO{3}) | |
| 2674 | || ((unsigned_word)a > (unsigned_word)b && TO{4}) | |
| 2675 | ) | |
| 2676 | program_interrupt(processor, cia, | |
| 2677 | trap_program_interrupt); | |
| 2678 | } | |
| 845ff5a4 | 2679 | |
| c143ef62 | 2680 | 0.31,6.TO,11.RA,16.RB,21.4,31./:X:::Trap Word |
| 54e98699 MM |
2681 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2682 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 2, 2, 0 | |
| 2683 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 2, 2, 0 | |
| 2684 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
| c143ef62 MM |
2685 | signed_word a = EXTENDED(*rA); |
| 2686 | signed_word b = EXTENDED(*rB); | |
| 2687 | if (TO == 12 && rA == rB) { | |
| 2688 | ITRACE(trace_breakpoint, ("breakpoint\n")); | |
| 2689 | cpu_halt(processor, cia, was_trap, 0); | |
| 2690 | } | |
| 2691 | else if ((a < b && TO{0}) | |
| 2692 | || (a > b && TO{1}) | |
| 2693 | || (a == b && TO{2}) | |
| 2694 | || ((unsigned_word)a < (unsigned_word)b && TO{3}) | |
| 2695 | || ((unsigned_word)a > (unsigned_word)b && TO{4}) | |
| 2696 | ) | |
| 2697 | program_interrupt(processor, cia, | |
| 2698 | trap_program_interrupt); | |
| 2699 | ||
| 2700 | # | |
| 2701 | # I.3.3.12 Fixed-Point Logical Instructions | |
| 2702 | # | |
| 2703 | ||
| 2704 | 0.28,6.RS,11.RA,16.UI:D:::AND Immediate | |
| 54e98699 MM |
2705 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2706 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2707 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2708 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
| c143ef62 MM |
2709 | *rA = *rS & UI; |
| 2710 | CR0_COMPARE(*rA, 0, 1/*Rc*/); | |
| 4ffd6ed0 | 2711 | ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); |
| 45525d8d | 2712 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK, 1/*Rc*/); |
| 845ff5a4 | 2713 | |
| c143ef62 | 2714 | 0.29,6.RS,11.RA,16.UI:D:::AND Immediate Shifted |
| 54e98699 MM |
2715 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2716 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2717 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2718 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
| c143ef62 MM |
2719 | *rA = *rS & (UI << 16); |
| 2720 | CR0_COMPARE(*rA, 0, 1/*Rc*/); | |
| 4ffd6ed0 | 2721 | ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); |
| 45525d8d | 2722 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK, 1/*Rc*/); |
| 845ff5a4 | 2723 | |
| c143ef62 | 2724 | 0.24,6.RS,11.RA,16.UI:D:::OR Immediate |
| 54e98699 MM |
2725 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2726 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2727 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2728 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
| c143ef62 | 2729 | *rA = *rS | UI; |
| 4ffd6ed0 | 2730 | ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); |
| 45525d8d | 2731 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK, 0/*Rc*/); |
| 845ff5a4 | 2732 | |
| c143ef62 | 2733 | 0.25,6.RS,11.RA,16.UI:D:::OR Immediate Shifted |
| 54e98699 MM |
2734 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2735 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2736 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2737 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
| c143ef62 | 2738 | *rA = *rS | (UI << 16); |
| 4ffd6ed0 | 2739 | ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); |
| 45525d8d | 2740 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK, 0/*Rc*/); |
| 845ff5a4 | 2741 | |
| c143ef62 | 2742 | 0.26,6.RS,11.RA,16.UI:D:::XOR Immediate |
| 54e98699 MM |
2743 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2744 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2745 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2746 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
| c143ef62 | 2747 | *rA = *rS ^ UI; |
| 4ffd6ed0 | 2748 | ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); |
| 45525d8d | 2749 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK, 0/*Rc*/); |
| 845ff5a4 | 2750 | |
| c143ef62 | 2751 | 0.27,6.RS,11.RA,16.UI:D:::XOR Immediate Shifted |
| 54e98699 MM |
2752 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2753 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2754 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2755 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
| c143ef62 | 2756 | *rA = *rS ^ (UI << 16); |
| 4ffd6ed0 | 2757 | ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); |
| 45525d8d | 2758 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK, 0/*Rc*/); |
| 845ff5a4 | 2759 | |
| c143ef62 | 2760 | 0.31,6.RS,11.RA,16.RB,21.28,31.Rc:X:::AND |
| 54e98699 MM |
2761 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2762 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2763 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2764 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
| c143ef62 MM |
2765 | *rA = *rS & *rB; |
| 2766 | CR0_COMPARE(*rA, 0, Rc); | |
| 4ffd6ed0 | 2767 | ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); |
| 45525d8d | 2768 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK | RB_BITMASK, Rc); |
| 845ff5a4 | 2769 | |
| c143ef62 | 2770 | 0.31,6.RS,11.RA,16.RB,21.444,31.Rc:X:::OR |
| 54e98699 MM |
2771 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2772 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2773 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2774 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
| c143ef62 MM |
2775 | *rA = *rS | *rB; |
| 2776 | CR0_COMPARE(*rA, 0, Rc); | |
| 4ffd6ed0 | 2777 | ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); |
| 45525d8d | 2778 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK | RB_BITMASK, Rc); |
| 845ff5a4 | 2779 | |
| c143ef62 | 2780 | 0.31,6.RS,11.RA,16.RB,21.316,31.Rc:X:::XOR |
| 54e98699 MM |
2781 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2782 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2783 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2784 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
| c143ef62 MM |
2785 | *rA = *rS ^ *rB; |
| 2786 | CR0_COMPARE(*rA, 0, Rc); | |
| 4ffd6ed0 | 2787 | ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); |
| 45525d8d | 2788 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK | RB_BITMASK, Rc); |
| 845ff5a4 | 2789 | |
| c143ef62 | 2790 | 0.31,6.RS,11.RA,16.RB,21.476,31.Rc:X:::NAND |
| 54e98699 MM |
2791 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2792 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2793 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2794 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
| c143ef62 MM |
2795 | *rA = ~(*rS & *rB); |
| 2796 | CR0_COMPARE(*rA, 0, Rc); | |
| 4ffd6ed0 | 2797 | ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); |
| 45525d8d | 2798 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK | RB_BITMASK, Rc); |
| 845ff5a4 | 2799 | |
| c143ef62 | 2800 | 0.31,6.RS,11.RA,16.RB,21.124,31.Rc:X:::NOR |
| 54e98699 MM |
2801 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2802 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2803 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2804 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
| c143ef62 MM |
2805 | *rA = ~(*rS | *rB); |
| 2806 | CR0_COMPARE(*rA, 0, Rc); | |
| 4ffd6ed0 | 2807 | ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); |
| 45525d8d | 2808 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK | RB_BITMASK, Rc); |
| 845ff5a4 | 2809 | |
| c143ef62 | 2810 | 0.31,6.RS,11.RA,16.RB,21.284,31.Rc:X:::Equivalent |
| 54e98699 MM |
2811 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2812 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2813 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2814 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
| 4ffd6ed0 MM |
2815 | *rA = ~(*rS ^ *rB); /* A === B */ |
| 2816 | CR0_COMPARE(*rA, 0, Rc); | |
| 2817 | ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); | |
| 2818 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK | RB_BITMASK, Rc); | |
| 845ff5a4 | 2819 | |
| c143ef62 | 2820 | 0.31,6.RS,11.RA,16.RB,21.60,31.Rc:X:::AND with Complement |
| 54e98699 MM |
2821 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2822 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2823 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2824 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
| c143ef62 MM |
2825 | *rA = *rS & ~*rB; |
| 2826 | CR0_COMPARE(*rA, 0, Rc); | |
| 4ffd6ed0 | 2827 | ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); |
| 45525d8d | 2828 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK | RB_BITMASK, Rc); |
| 54e98699 | 2829 | |
| c143ef62 | 2830 | 0.31,6.RS,11.RA,16.RB,21.412,31.Rc:X:::OR with Complement |
| 54e98699 MM |
2831 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2832 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2833 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2834 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
| c143ef62 MM |
2835 | *rA = *rS | ~*rB; |
| 2836 | CR0_COMPARE(*rA, 0, Rc); | |
| 4ffd6ed0 | 2837 | ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); |
| 45525d8d | 2838 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK | RB_BITMASK, Rc); |
| 845ff5a4 | 2839 | |
| c143ef62 | 2840 | 0.31,6.RS,11.RA,16./,21.954,31.Rc:X::extsb:Extend Sign Byte |
| 54e98699 MM |
2841 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2842 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2843 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2844 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
| c143ef62 MM |
2845 | *rA = (signed_word)(signed8)*rS; |
| 2846 | CR0_COMPARE(*rA, 0, Rc); | |
| 4ffd6ed0 | 2847 | ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); |
| 45525d8d | 2848 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK, Rc); |
| 845ff5a4 | 2849 | |
| c143ef62 | 2850 | 0.31,6.RS,11.RA,16./,21.922,31.Rc:X::extsh:Extend Sign Half Word |
| 54e98699 MM |
2851 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2852 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2853 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2854 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
| c143ef62 MM |
2855 | *rA = (signed_word)(signed16)*rS; |
| 2856 | CR0_COMPARE(*rA, 0, Rc); | |
| 4ffd6ed0 | 2857 | ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); |
| 45525d8d | 2858 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK, Rc); |
| 845ff5a4 | 2859 | |
| c143ef62 | 2860 | 0.31,6.RS,11.RA,16./,21.986,31.Rc:X:64::Extend Sign Word |
| 54e98699 MM |
2861 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2862 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2863 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2864 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
| c143ef62 MM |
2865 | # *rA = (signed_word)(signed32)*rS; |
| 2866 | # CR0_COMPARE(*rA, 0, Rc); | |
| 845ff5a4 | 2867 | |
| c143ef62 MM |
2868 | 0.31,6.RS,11.RA,16./,21.58,31.Rc:X:64::Count Leading Zeros Doubleword |
| 2869 | # int count = 0; | |
| 2870 | # unsigned64 mask = BIT64(0); | |
| 2871 | # unsigned64 source = *rS; | |
| 2872 | # while (!(source & mask) && mask != 0) { | |
| 2873 | # mask >>= 1; | |
| 2874 | # count++; | |
| 2875 | # } | |
| 2876 | # *rA = count; | |
| 2877 | # CR0_COMPARE(count, 0, Rc); /* FIXME - is this correct */ | |
| 845ff5a4 | 2878 | |
| c143ef62 | 2879 | 0.31,6.RS,11.RA,16./,21.26,31.Rc:X:::Count Leading Zeros Word |
| 54e98699 MM |
2880 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2881 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2882 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2883 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
| c143ef62 MM |
2884 | int count = 0; |
| 2885 | unsigned32 mask = BIT32(0); | |
| 2886 | unsigned32 source = *rS; | |
| 2887 | while (!(source & mask) && mask != 0) { | |
| 2888 | mask >>= 1; | |
| 2889 | count++; | |
| 2890 | } | |
| 2891 | *rA = count; | |
| 4ffd6ed0 | 2892 | ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); |
| c143ef62 MM |
2893 | CR0_COMPARE(count, 0, Rc); /* FIXME - is this correct */ |
| 2894 | ||
| 2895 | ||
| 2896 | # | |
| 2897 | # I.3.3.13 Fixed-Point Rotate and Shift Instructions | |
| 2898 | # | |
| 2899 | ||
| 2900 | 0.30,6.RS,11.RA,16.sh_0_4,21.mb,27.0,30.sh_5,31.Rc:MD:64::Rotate Left Doubleword Immediate then Clear Left | |
| 2901 | # long n = (sh_5 << 4) | sh_0_4; | |
| 2902 | # unsigned_word r = ROTL64(*rS, n); | |
| 2903 | # long b = (mb_5 << 4) | mb_0_4; | |
| 2904 | # unsigned_word m = MASK(b, 63); | |
| 2905 | # signed_word result = r & m; | |
| 2906 | # *rA = result; | |
| 4ffd6ed0 | 2907 | # ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); |
| c143ef62 | 2908 | # CR0_COMPARE(result, 0, Rc); /* FIXME - is this correct */ |
| 845ff5a4 | 2909 | |
| c143ef62 MM |
2910 | 0.30,6.RS,11.RA,16.sh_0_4,21.me,27.1,30.sh_5,31.Rc:MD:64::Rotate Left Doubleword Immediate then Clear Right |
| 2911 | # long n = (sh_5 << 4) | sh_0_4; | |
| 2912 | # unsigned_word r = ROTL64(*rS, n); | |
| 2913 | # long e = (me_5 << 4) | me_0_4; | |
| 2914 | # unsigned_word m = MASK(0, e); | |
| 2915 | # signed_word result = r & m; | |
| 2916 | # *rA = result; | |
| 2917 | # CR0_COMPARE(result, 0, Rc); /* FIXME - is this correct */ | |
| 845ff5a4 | 2918 | |
| c143ef62 MM |
2919 | 0.30,6.RS,11.RA,16.sh_0_4,21.mb,27.2,30.sh_5,31.Rc:MD:64::Rotate Left Doubleword Immediate then Clear |
| 2920 | # long n = (sh_5 << 4) | sh_0_4; | |
| 2921 | # unsigned_word r = ROTL64(*rS, n); | |
| 2922 | # long b = (mb_5 << 4) | mb_0_4; | |
| 2923 | # unsigned_word m = MASK(0, (64-n)); | |
| 2924 | # signed_word result = r & m; | |
| 2925 | # *rA = result; | |
| 2926 | # CR0_COMPARE(result, 0, Rc); /* FIXME - is this correct */ | |
| 2927 | ||
| 2928 | 0.21,6.RS,11.RA,16.SH,21.MB,26.ME,31.Rc:M:::Rotate Left Word Immediate then AND with Mask | |
| 54e98699 MM |
2929 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2930 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2931 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2932 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
| c143ef62 MM |
2933 | long n = SH; |
| 2934 | unsigned32 s = *rS; | |
| 2935 | unsigned32 r = ROTL32(s, n); | |
| 2936 | unsigned32 m = MASK(MB+32, ME+32); | |
| 2937 | signed_word result = r & m; | |
| 2938 | *rA = result; | |
| 2939 | CR0_COMPARE(result, 0, Rc); | |
| 2940 | ITRACE(trace_alu, | |
| 45525d8d MM |
2941 | ("n=%ld, s=0x%lx, r=0x%lx, m=0x%lx, result=0x%lx, cr=0x%lx\n", |
| 2942 | n, (unsigned long)s, (unsigned long)r, (unsigned long)m, | |
| 2943 | (unsigned long)result, (unsigned long)CR)); | |
| 2944 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK, Rc); | |
| c143ef62 MM |
2945 | |
| 2946 | 0.30,6.RS,11.RA,16.RB,21.mb,27.8,31.Rc:MDS:64::Rotate Left Doubleword then Clear Left | |
| 2947 | # long n = MASKED(*rB, 58, 63); | |
| 2948 | # unsigned_word r = ROTL64(*rS, n); | |
| 2949 | # long b = (mb_5 << 4) | mb_0_4; | |
| 2950 | # unsigned_word m = MASK(b, 63); | |
| 2951 | # signed_word result = r & m; | |
| 2952 | # *rA = result; | |
| 2953 | # CR0_COMPARE(result, 0, Rc); | |
| 845ff5a4 | 2954 | |
| c143ef62 MM |
2955 | 0.30,6.RS,11.RA,16.RB,21.me,27.9,31.Rc:MDS:64::Rotate Left Doubleword then Clear Right |
| 2956 | # long n = MASKED(*rB, 58, 63); | |
| 2957 | # unsigned_word r = ROTL64(*rS, n); | |
| 2958 | # long e = (me_5 << 4) | me_0_4; | |
| 2959 | # unsigned_word m = MASK(0, e); | |
| 2960 | # signed_word result = r & m; | |
| 2961 | # *rA = result; | |
| 2962 | # CR0_COMPARE(result, 0, Rc); | |
| 2963 | ||
| 2964 | 0.23,6.RS,11.RA,16.RB,21.MB,26.ME,31.Rc:M:::Rotate Left Word then AND with Mask | |
| 2965 | # long n = MASKED(*rB, 59, 63); | |
| 2966 | # unsigned32 r = ROTL32(*rS, n); | |
| 2967 | # unsigned32 m = MASK(MB+32, ME+32); | |
| 2968 | # signed_word result = r & m; | |
| 2969 | # *rA = result; | |
| 2970 | # CR0_COMPARE(result, 0, Rc); | |
| 845ff5a4 | 2971 | |
| c143ef62 MM |
2972 | 0.30,6.RS,11.RA,16.sh_0_4,21.mb,27.3,30.sh_5,31.Rc:MD:64::Rotate Left Doubleword Immediate then Mask Insert |
| 2973 | # long n = (sh_5 << 4) | sh_0_4; | |
| 2974 | # unsigned_word r = ROTL64(*rS, n); | |
| 2975 | # long b = (mb_5 << 4) | mb_0_4; | |
| 2976 | # unsigned_word m = MASK(b, (64-n)); | |
| 2977 | # signed_word result = (r & m) | (*rA & ~m) | |
| 2978 | # *rA = result; | |
| 2979 | # CR0_COMPARE(result, 0, Rc); | |
| 845ff5a4 | 2980 | |
| c143ef62 | 2981 | 0.20,6.RS,11.RA,16.SH,21.MB,26.ME,31.Rc:M::rlwimi:Rotate Left Word Immediate then Mask Insert |
| 54e98699 MM |
2982 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2983 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2984 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 2985 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
| c143ef62 MM |
2986 | long n = SH; |
| 2987 | unsigned32 r = ROTL32(*rS, n); | |
| 2988 | unsigned32 m = MASK(MB+32, ME+32); | |
| 2989 | signed_word result = (r & m) | (*rA & ~m); | |
| 2990 | *rA = result; | |
| 45525d8d MM |
2991 | ITRACE(trace_alu, (": n=%ld *rS=0x%lx r=0x%lx m=0x%lx result=0x%lx\n", |
| 2992 | n, (unsigned long)*rS, (unsigned long)r, (unsigned long)m, | |
| 2993 | (unsigned long)result)); | |
| c143ef62 | 2994 | CR0_COMPARE(result, 0, Rc); |
| 45525d8d | 2995 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK, Rc); |
| c143ef62 MM |
2996 | |
| 2997 | ||
| 2998 | 0.31,6.RS,11.RA,16.RB,21.27,31.Rc:X:64::Shift Left Doubleword | |
| 845ff5a4 | 2999 | |
| c143ef62 | 3000 | 0.31,6.RS,11.RA,16.RB,21.24,31.Rc:X:::Shift Left Word |
| 54e98699 MM |
3001 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3002 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 3003 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 3004 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
| c143ef62 MM |
3005 | int n = MASKED(*rB, 59, 63); |
| 3006 | unsigned32 source = *rS; | |
| 3007 | signed_word shifted; | |
| 3008 | if (n < 32) | |
| 3009 | shifted = (source << n); | |
| 3010 | else | |
| 3011 | shifted = 0; | |
| 3012 | *rA = shifted; | |
| 3013 | CR0_COMPARE(shifted, 0, Rc); | |
| 3014 | ITRACE(trace_alu, | |
| 45525d8d MM |
3015 | ("n=%d, source=0x%lx, shifted=0x%lx\n", |
| 3016 | n, (unsigned long)source, (unsigned long)shifted)); | |
| 3017 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK, Rc); | |
| 845ff5a4 | 3018 | |
| c143ef62 | 3019 | 0.31,6.RS,11.RA,16.RB,21.539,31.Rc:X:64::Shift Right Doubleword |
| 845ff5a4 | 3020 | |
| c143ef62 | 3021 | 0.31,6.RS,11.RA,16.RB,21.536,31.Rc:X:::Shift Right Word |
| 54e98699 MM |
3022 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3023 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 3024 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 3025 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
| c143ef62 MM |
3026 | int n = MASKED(*rB, 59, 63); |
| 3027 | unsigned32 source = *rS; | |
| 3028 | signed_word shifted; | |
| 3029 | if (n < 32) | |
| 3030 | shifted = (source >> n); | |
| 3031 | else | |
| 3032 | shifted = 0; | |
| 3033 | *rA = shifted; | |
| 3034 | CR0_COMPARE(shifted, 0, Rc); | |
| 3035 | ITRACE(trace_alu, \ | |
| 45525d8d MM |
3036 | ("n=%d, source=0x%lx, shifted=0x%lx\n", |
| 3037 | n, (unsigned long)source, (unsigned long)shifted)); | |
| 3038 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK, Rc); | |
| c143ef62 MM |
3039 | |
| 3040 | 0.31,6.RS,11.RA,16.sh_0_4,21.413,30.sh_5,31.Rc:XS:64::Shift Right Algebraic Doubleword Immediate | |
| 845ff5a4 | 3041 | |
| c143ef62 | 3042 | 0.31,6.RS,11.RA,16.SH,21.824,31.Rc:X:::Shift Right Algebraic Word Immediate |
| 54e98699 MM |
3043 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3044 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 3045 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 3046 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
| c143ef62 MM |
3047 | int n = SH; |
| 3048 | signed_word r = ROTL32(*rS, /*64*/32-n); | |
| 3049 | signed_word m = MASK(n+32, 63); | |
| 3050 | int S = MASKED(*rS, 32, 32); | |
| 3051 | signed_word shifted = (r & m) | (S ? ~m : 0); | |
| 3052 | *rA = shifted; | |
| 3053 | if (S && ((r & ~m) & MASK(32, 63)) != 0) | |
| 3054 | XER |= xer_carry; | |
| 3055 | else | |
| 3056 | XER &= ~xer_carry; | |
| 3057 | CR0_COMPARE(shifted, 0, Rc); | |
| 4ffd6ed0 MM |
3058 | ITRACE(trace_alu, (" Result = %ld (0x%lx), XER = %ld\n", |
| 3059 | (long)*rA, (long)*rA, (long)XER)); | |
| 45525d8d | 3060 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK, Rc); |
| 845ff5a4 | 3061 | |
| c143ef62 | 3062 | 0.31,6.RS,11.RA,16.RB,21.794,31.Rc:X:64::Shift Right Algebraic Doubleword |
| 845ff5a4 | 3063 | |
| c143ef62 | 3064 | 0.31,6.RS,11.RA,16.RB,21.792,31.Rc:X:::Shift Right Algebraic Word |
| 54e98699 MM |
3065 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3066 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 3067 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 | |
| 3068 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 | |
| c143ef62 MM |
3069 | int n = MASKED(*rB, 58, 63); |
| 3070 | int shift = (n >= 31 ? 31 : n); | |
| 3071 | signed32 source = (signed32)*rS; /* signed to keep sign bit */ | |
| 3072 | signed32 shifted = source >> shift; | |
| 3073 | unsigned32 mask = ((unsigned32)-1) >> (31-shift); | |
| 3074 | *rA = (signed_word)shifted; /* if 64bit will sign extend */ | |
| 3075 | if (source < 0 && (source & mask)) | |
| 3076 | XER |= xer_carry; | |
| 3077 | else | |
| 3078 | XER &= ~xer_carry; | |
| 3079 | CR0_COMPARE(shifted, 0, Rc); | |
| 4ffd6ed0 MM |
3080 | ITRACE(trace_alu, (" Result = %ld (0x%lx), XER = %ld\n", |
| 3081 | (long)*rA, (long)*rA, (long)XER)); | |
| 45525d8d | 3082 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK, Rc); |
| c143ef62 MM |
3083 | |
| 3084 | # | |
| 3085 | # I.3.3.14 Move to/from System Register Instructions | |
| 3086 | # | |
| 3087 | ||
| f2181eff | 3088 | 0.31,6.RS,11.SPR,21.467,31./:XFX::mtspr %SPR, %RS:Move to Special Purpose Register |
| 54e98699 MM |
3089 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3090 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 2, 2, 0 | |
| 3091 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 2, 2, 0 | |
| 3092 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 1, 1, 0 | |
| f2181eff MM |
3093 | int n = (SPR{5:9} << 5) | SPR{0:4}; |
| 3094 | if (SPR{0} && IS_PROBLEM_STATE(processor)) | |
| c143ef62 MM |
3095 | program_interrupt(processor, cia, |
| 3096 | privileged_instruction_program_interrupt); | |
| 3097 | else if (!spr_is_valid(n) | |
| 3098 | || spr_is_readonly(n)) | |
| 3099 | program_interrupt(processor, cia, | |
| 3100 | illegal_instruction_program_interrupt); | |
| 3101 | else { | |
| 3102 | spreg new_val = (spr_length(n) == 64 | |
| 3103 | ? *rS | |
| 3104 | : MASKED(*rS, 32, 63)); | |
| 3105 | /* HACK - time base registers need to be updated immediatly */ | |
| 3106 | if (WITH_TIME_BASE) { | |
| c143ef62 MM |
3107 | switch (n) { |
| 3108 | case spr_tbu: | |
| 3109 | cpu_set_time_base(processor, | |
| 80948f39 MM |
3110 | (MASKED64(cpu_get_time_base(processor), 32, 63) |
| 3111 | | INSERTED64(new_val, 0, 31))); | |
| c143ef62 MM |
3112 | break; |
| 3113 | case spr_tbl: | |
| 3114 | cpu_set_time_base(processor, | |
| 80948f39 MM |
3115 | (MASKED64(cpu_get_time_base(processor), 0, 31) |
| 3116 | | INSERTED64(new_val, 32, 63))); | |
| c143ef62 MM |
3117 | break; |
| 3118 | case spr_dec: | |
| 3119 | cpu_set_decrementer(processor, new_val); | |
| 3120 | break; | |
| 3121 | default: | |
| 3122 | SPREG(n) = new_val; | |
| 3123 | break; | |
| 3124 | } | |
| 3125 | } | |
| 3126 | else { | |
| 3127 | SPREG(n) = new_val; | |
| 3128 | } | |
| 3129 | } | |
| 45525d8d | 3130 | PPC_INSN_TO_SPR(RS_BITMASK, n); |
| 845ff5a4 | 3131 | |
| f2181eff | 3132 | 0.31,6.RT,11.SPR,21.339,31./:XFX::mfspr %RT, %SPR:Move from Special Purpose Register |
| 54e98699 MM |
3133 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3134 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
| 3135 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
| 3136 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 3, 3, 0 | |
| f2181eff MM |
3137 | int n = (SPR{5:9} << 5) | SPR{0:4}; |
| 3138 | if (SPR{0} && IS_PROBLEM_STATE(processor)) | |
| c143ef62 MM |
3139 | program_interrupt(processor, cia, |
| 3140 | privileged_instruction_program_interrupt); | |
| 3141 | else if (!spr_is_valid(n)) | |
| 3142 | program_interrupt(processor, cia, | |
| 3143 | illegal_instruction_program_interrupt); | |
| 3144 | else { | |
| 3145 | /* HACK - some SPR's need to get their value extracted specially */ | |
| 3146 | *rT = SPREG(n); | |
| 3147 | } | |
| 45525d8d | 3148 | PPC_INSN_FROM_SPR(RT_BITMASK, n); |
| 845ff5a4 | 3149 | |
| c143ef62 | 3150 | 0.31,6.RS,11./,12.FXM,20./,21.144,31./:XFX::mtfcr:Move to Condition Register Fields |
| 54e98699 MM |
3151 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 2, 2, 0 |
| 3152 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
| 3153 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
| 3154 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 1, 1, 0 | |
| c143ef62 MM |
3155 | if (FXM == 0xff) { |
| 3156 | CR = *rS; | |
| 3157 | } | |
| 3158 | else { | |
| 3159 | unsigned_word mask = 0; | |
| 3160 | unsigned_word f; | |
| 3161 | for (f = 0; f < 8; f++) { | |
| 3162 | if (FXM & (0x80 >> f)) | |
| 3163 | mask |= (0xf << 4*(7-f)); | |
| 3164 | } | |
| 3165 | CR = (MASKED(*rS, 32, 63) & mask) | (CR & ~mask); | |
| 3166 | } | |
| f2181eff | 3167 | PPC_INSN_MTCR(RS_BITMASK, FXM); |
| 845ff5a4 | 3168 | |
| c143ef62 | 3169 | 0.31,6.BF,9./,11./,16./,21.512,31./:X:::Move to Condition Register from XER |
| 845ff5a4 | 3170 | |
| c143ef62 | 3171 | 0.31,6.RT,11./,16./,21.19,31./:X:::Move From Condition Register |
| 54e98699 MM |
3172 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3173 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
| 3174 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
| 3175 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 3, 3, 0 | |
| c143ef62 | 3176 | *rT = (unsigned32)CR; |
| 45525d8d | 3177 | PPC_INSN_MFCR(RT_BITMASK); |
| c143ef62 MM |
3178 | |
| 3179 | # | |
| 3180 | # I.4.6.2 Floating-Point Load Instructions | |
| 3181 | # | |
| 3182 | ||
| 3183 | 0.48,6.FRT,11.RA,16.D:D:f:lfs:Load Floating-Point Single | |
| 54e98699 MM |
3184 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0 |
| 3185 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 3186 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 3187 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
| c143ef62 MM |
3188 | unsigned_word b; |
| 3189 | unsigned_word EA; | |
| 3190 | if (RA == 0) b = 0; | |
| 3191 | else b = *rA; | |
| 3192 | EA = b + EXTS(D); | |
| 3193 | *frT = DOUBLE(MEM(unsigned, EA, 4)); | |
| 45525d8d | 3194 | PPC_INSN_INT_FLOAT(0, FRT_BITMASK, (RA_BITMASK & ~1), 0); |
| 845ff5a4 | 3195 | |
| c143ef62 | 3196 | 0.31,6.FRT,11.RA,16.RB,21.535,31./:X:f::Load Floating-Point Single Indexed |
| 54e98699 MM |
3197 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0 |
| 3198 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 3199 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 3200 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
| c143ef62 MM |
3201 | unsigned_word b; |
| 3202 | unsigned_word EA; | |
| 3203 | if (RA == 0) b = 0; | |
| 3204 | else b = *rA; | |
| 3205 | EA = b + *rB; | |
| 3206 | *frT = DOUBLE(MEM(unsigned, EA, 4)); | |
| 45525d8d | 3207 | PPC_INSN_INT_FLOAT(0, FRT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0); |
| 845ff5a4 | 3208 | |
| c143ef62 | 3209 | 0.49,6.FRT,11.RA,16.D:D:f::Load Floating-Point Single with Update |
| 54e98699 MM |
3210 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0 |
| 3211 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 3212 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 3213 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
| c143ef62 MM |
3214 | unsigned_word EA; |
| 3215 | if (RA == 0) | |
| 3216 | program_interrupt(processor, cia, | |
| 3217 | illegal_instruction_program_interrupt); | |
| 3218 | EA = *rA + EXTS(D); | |
| 3219 | *frT = DOUBLE(MEM(unsigned, EA, 4)); | |
| 3220 | *rA = EA; | |
| 45525d8d | 3221 | PPC_INSN_INT_FLOAT(RA_BITMASK, FRT_BITMASK, (RA_BITMASK & ~1), 0); |
| 845ff5a4 | 3222 | |
| c143ef62 | 3223 | 0.31,6.FRT,11.RA,16.RB,21.576,31./:X:f::Load Floating-Point Single with Update Indexed |
| 54e98699 MM |
3224 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0 |
| 3225 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 3226 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 3227 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
| c143ef62 MM |
3228 | unsigned_word EA; |
| 3229 | if (RA == 0) | |
| 3230 | program_interrupt(processor, cia, | |
| 3231 | illegal_instruction_program_interrupt); | |
| 3232 | EA = *rA + *rB; | |
| 3233 | *frT = DOUBLE(MEM(unsigned, EA, 4)); | |
| 3234 | *rA = EA; | |
| 45525d8d | 3235 | PPC_INSN_INT_FLOAT(RA_BITMASK, FRT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0); |
| c143ef62 MM |
3236 | |
| 3237 | 0.50,6.FRT,11.RA,16.D:D:f::Load Floating-Point Double | |
| 54e98699 MM |
3238 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0 |
| 3239 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 3240 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 3241 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
| c143ef62 MM |
3242 | unsigned_word b; |
| 3243 | unsigned_word EA; | |
| 3244 | if (RA == 0) b = 0; | |
| 3245 | else b = *rA; | |
| 3246 | EA = b + EXTS(D); | |
| 3247 | *frT = MEM(unsigned, EA, 8); | |
| 45525d8d | 3248 | PPC_INSN_INT_FLOAT(0, FRT_BITMASK, (RA_BITMASK & ~1), 0); |
| 845ff5a4 | 3249 | |
| c143ef62 | 3250 | 0.31,6.FRT,11.RA,16.RB,21.599,31./:X:f::Load Floating-Point Double Indexed |
| 54e98699 MM |
3251 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0 |
| 3252 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 3253 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 3254 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
| c143ef62 MM |
3255 | unsigned_word b; |
| 3256 | unsigned_word EA; | |
| 3257 | if (RA == 0) b = 0; | |
| 3258 | else b = *rA; | |
| 3259 | EA = b + *rB; | |
| 3260 | *frT = MEM(unsigned, EA, 8); | |
| 45525d8d | 3261 | PPC_INSN_INT_FLOAT(0, FRT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0); |
| 845ff5a4 | 3262 | |
| c143ef62 | 3263 | 0.51,6.FRT,11.RA,16.D:D:f::Load Floating-Point Double with Update |
| 54e98699 MM |
3264 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0 |
| 3265 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 3266 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 3267 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
| c143ef62 MM |
3268 | unsigned_word EA; |
| 3269 | if (RA == 0) | |
| 3270 | program_interrupt(processor, cia, | |
| 3271 | illegal_instruction_program_interrupt); | |
| 3272 | EA = *rA + EXTS(D); | |
| 3273 | *frT = MEM(unsigned, EA, 8); | |
| 3274 | *rA = EA; | |
| 45525d8d | 3275 | PPC_INSN_INT_FLOAT(RA_BITMASK, FRT_BITMASK, (RA_BITMASK & ~1), 0); |
| 845ff5a4 | 3276 | |
| c143ef62 | 3277 | 0.31,6.FRT,11.RA,16.RB,21.631,31./:X:f::Load Floating-Point Double with Update Indexed |
| 54e98699 MM |
3278 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0 |
| 3279 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 3280 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 3281 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
| c143ef62 MM |
3282 | unsigned_word EA; |
| 3283 | if (RA == 0) | |
| 3284 | program_interrupt(processor, cia, | |
| 3285 | illegal_instruction_program_interrupt); | |
| 3286 | EA = *rA + *rB; | |
| 3287 | *frT = MEM(unsigned, EA, 8); | |
| 3288 | *rA = EA; | |
| 45525d8d | 3289 | PPC_INSN_INT_FLOAT(RA_BITMASK, FRT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0); |
| c143ef62 MM |
3290 | |
| 3291 | ||
| 3292 | # | |
| 3293 | # I.4.6.3 Floating-Point Store Instructions | |
| 3294 | # | |
| 3295 | ||
| 3296 | 0.52,6.FRS,11.RA,16.D:D:f::Store Floating-Point Single | |
| 54e98699 MM |
3297 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3298 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 3299 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 3300 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
| c143ef62 MM |
3301 | unsigned_word b; |
| 3302 | unsigned_word EA; | |
| 3303 | if (RA == 0) b = 0; | |
| 3304 | else b = *rA; | |
| 3305 | EA = b + EXTS(D); | |
| 3306 | STORE(EA, 4, SINGLE(*frS)); | |
| 45525d8d | 3307 | PPC_INSN_INT_FLOAT(0, 0, (RA_BITMASK & ~1), FRS_BITMASK); |
| 845ff5a4 | 3308 | |
| c143ef62 | 3309 | 0.31,6.FRS,11.RA,16.RB,21.663,31./:X:f::Store Floating-Point Single Indexed |
| 54e98699 MM |
3310 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3311 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 3312 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 3313 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
| c143ef62 MM |
3314 | unsigned_word b; |
| 3315 | unsigned_word EA; | |
| 3316 | if (RA == 0) b = 0; | |
| 3317 | else b = *rA; | |
| 3318 | EA = b + *rB; | |
| 3319 | STORE(EA, 4, SINGLE(*frS)); | |
| 45525d8d | 3320 | PPC_INSN_INT_FLOAT(0, 0, (RA_BITMASK & ~1) | RB_BITMASK, FRS_BITMASK); |
| 845ff5a4 | 3321 | |
| c143ef62 | 3322 | 0.53,6.FRS,11.RA,16.D:D:f::Store Floating-Point Single with Update |
| 54e98699 MM |
3323 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3324 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 3325 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 3326 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
| c143ef62 MM |
3327 | unsigned_word EA; |
| 3328 | if (RA == 0) | |
| 3329 | program_interrupt(processor, cia, | |
| 3330 | illegal_instruction_program_interrupt); | |
| 3331 | EA = *rA + EXTS(D); | |
| 3332 | STORE(EA, 4, SINGLE(*frS)); | |
| 3333 | *rA = EA; | |
| 45525d8d | 3334 | PPC_INSN_INT_FLOAT(RA_BITMASK, 0, (RA_BITMASK & ~1), FRS_BITMASK); |
| 845ff5a4 | 3335 | |
| c143ef62 | 3336 | 0.31,6.FRS,11.RA,16.RB,21.695,31./:X:f::Store Floating-Point Single with Update Indexed |
| 54e98699 MM |
3337 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3338 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 3339 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 3340 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
| c143ef62 MM |
3341 | unsigned_word EA; |
| 3342 | if (RA == 0) | |
| 3343 | program_interrupt(processor, cia, | |
| 3344 | illegal_instruction_program_interrupt); | |
| 3345 | EA = *rA + *rB; | |
| 3346 | STORE(EA, 4, SINGLE(*frS)); | |
| 3347 | *rA = EA; | |
| 45525d8d | 3348 | PPC_INSN_INT_FLOAT(RA_BITMASK, 0, (RA_BITMASK & ~1) | RB_BITMASK, FRS_BITMASK); |
| c143ef62 MM |
3349 | |
| 3350 | 0.54,6.FRS,11.RA,16.D:D:f::Store Floating-Point Double | |
| 54e98699 MM |
3351 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3352 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 3353 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 3354 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
| c143ef62 MM |
3355 | unsigned_word b; |
| 3356 | unsigned_word EA; | |
| 3357 | if (RA == 0) b = 0; | |
| 3358 | else b = *rA; | |
| 3359 | EA = b + EXTS(D); | |
| 3360 | STORE(EA, 8, *frS); | |
| 45525d8d | 3361 | PPC_INSN_INT_FLOAT(0, 0, (RA_BITMASK & ~1), FRS_BITMASK); |
| 845ff5a4 | 3362 | |
| c143ef62 | 3363 | 0.31,6.FRS,11.RA,16.RB,21.727,31./:X:f::Store Floating-Point Double Indexed |
| 54e98699 MM |
3364 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3365 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 3366 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 3367 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
| c143ef62 MM |
3368 | unsigned_word b; |
| 3369 | unsigned_word EA; | |
| 3370 | if (RA == 0) b = 0; | |
| 3371 | else b = *rA; | |
| 3372 | EA = b + *rB; | |
| 3373 | STORE(EA, 8, *frS); | |
| 45525d8d | 3374 | PPC_INSN_INT_FLOAT(0, 0, (RA_BITMASK & ~1) | RB_BITMASK, FRS_BITMASK); |
| 845ff5a4 | 3375 | |
| c143ef62 | 3376 | 0.55,6.FRS,11.RA,16.D:D:f::Store Floating-Point Double with Update |
| 54e98699 MM |
3377 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3378 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 3379 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 3380 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
| c143ef62 MM |
3381 | unsigned_word EA; |
| 3382 | if (RA == 0) | |
| 3383 | program_interrupt(processor, cia, | |
| 3384 | illegal_instruction_program_interrupt); | |
| 3385 | EA = *rA + EXTS(D); | |
| 3386 | STORE(EA, 8, *frS); | |
| 3387 | *rA = EA; | |
| 45525d8d | 3388 | PPC_INSN_INT_FLOAT(RA_BITMASK, 0, (RA_BITMASK & ~1), FRS_BITMASK); |
| 845ff5a4 | 3389 | |
| c143ef62 | 3390 | 0.31,6.FRS,11.RA,16.RB,21.759,31./:X:f::Store Floating-Point Double with Update Indexed |
| 54e98699 MM |
3391 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3392 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 3393 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 | |
| 3394 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
| c143ef62 MM |
3395 | unsigned_word EA; |
| 3396 | if (RA == 0) | |
| 3397 | program_interrupt(processor, cia, | |
| 3398 | illegal_instruction_program_interrupt); | |
| 3399 | EA = *rA + *rB; | |
| 3400 | STORE(EA, 8, *frS); | |
| 3401 | *rA = EA; | |
| 45525d8d | 3402 | PPC_INSN_INT_FLOAT(RA_BITMASK, 0, (RA_BITMASK & ~1) | RB_BITMASK, FRS_BITMASK); |
| c143ef62 MM |
3403 | |
| 3404 | ||
| 3405 | # | |
| 3406 | # I.4.6.4 Floating-Point Move Instructions | |
| 3407 | # | |
| 3408 | ||
| 3409 | 0.63,6.FRT,11./,16.FRB,21.72,31.Rc:X:f::Floating Move Register | |
| 54e98699 MM |
3410 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
| 3411 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| 3412 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| 3413 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| c143ef62 MM |
3414 | *frT = *frB; |
| 3415 | CR1_UPDATE(Rc); | |
| 45525d8d | 3416 | PPC_INSN_FLOAT(FRT_BITMASK, FRB_BITMASK, Rc); |
| 845ff5a4 | 3417 | |
| c143ef62 | 3418 | 0.63,6.FRT,11./,16.FRB,21.40,31.Rc:X:f::Floating Negate |
| 54e98699 MM |
3419 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
| 3420 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| 3421 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| 3422 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| c143ef62 MM |
3423 | *frT = *frB ^ BIT64(0); |
| 3424 | CR1_UPDATE(Rc); | |
| 45525d8d | 3425 | PPC_INSN_FLOAT(FRT_BITMASK, FRB_BITMASK, Rc); |
| 845ff5a4 | 3426 | |
| c143ef62 | 3427 | 0.63,6.FRT,11./,16.FRB,21.264,31.Rc:X:f::Floating Absolute Value |
| 54e98699 MM |
3428 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
| 3429 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| 3430 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| 3431 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| c143ef62 MM |
3432 | *frT = *frB & ~BIT64(0); |
| 3433 | CR1_UPDATE(Rc); | |
| 45525d8d | 3434 | PPC_INSN_FLOAT(FRT_BITMASK, FRB_BITMASK, Rc); |
| 845ff5a4 | 3435 | |
| c143ef62 | 3436 | 0.63,6.FRT,11./,16.FRB,21.136,31.Rc:X:f::Floating Negative Absolute Value |
| 54e98699 MM |
3437 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
| 3438 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| 3439 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| 3440 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| c143ef62 MM |
3441 | *frT = *frB | BIT64(0); |
| 3442 | CR1_UPDATE(Rc); | |
| 45525d8d | 3443 | PPC_INSN_FLOAT(FRT_BITMASK, FRB_BITMASK, Rc); |
| c143ef62 MM |
3444 | |
| 3445 | ||
| 3446 | # | |
| 3447 | # I.4.6.5 Floating-Point Arithmetic Instructions | |
| 3448 | # | |
| 3449 | ||
| 3450 | 0.63,6.FRT,11.FRA,16.FRB,21./,26.21,31.Rc:A:f:fadd:Floating Add | |
| 54e98699 MM |
3451 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
| 3452 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| 3453 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| 3454 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| c143ef62 MM |
3455 | FPSCR_BEGIN; |
| 3456 | if (is_invalid_operation(processor, cia, | |
| 3457 | *frA, *frB, | |
| 3458 | fpscr_vxsnan | fpscr_vxisi, | |
| 3459 | 0, /*single?*/ | |
| 3460 | 0) /*negate?*/) { | |
| 3461 | invalid_arithemetic_operation(processor, cia, | |
| 3462 | frT, *frA, *frB, 0, | |
| 3463 | 0, /*instruction_is_frsp*/ | |
| 3464 | 0, /*instruction_is_convert_to_64bit*/ | |
| 3465 | 0, /*instruction_is_convert_to_32bit*/ | |
| 3466 | 0); /*single-precision*/ | |
| 3467 | } | |
| 3468 | else { | |
| 3469 | /*HACK!*/ | |
| 3470 | double s = *(double*)frA + *(double*)frB; | |
| 3471 | *(double*)frT = s; | |
| 3472 | } | |
| 3473 | FPSCR_END(Rc); | |
| 45525d8d | 3474 | PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK, Rc); |
| 845ff5a4 | 3475 | |
| c143ef62 | 3476 | 0.59,6.FRT,11.FRA,16.FRB,21./,26.21,31.Rc:A:f:fadds:Floating Add Single |
| 54e98699 MM |
3477 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
| 3478 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| 3479 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| 3480 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| c143ef62 MM |
3481 | FPSCR_BEGIN; |
| 3482 | if (is_invalid_operation(processor, cia, | |
| 3483 | *frA, *frB, | |
| 3484 | fpscr_vxsnan | fpscr_vxisi, | |
| 3485 | 1, /*single?*/ | |
| 3486 | 0) /*negate?*/) { | |
| 3487 | invalid_arithemetic_operation(processor, cia, | |
| 3488 | frT, *frA, *frB, 0, | |
| 3489 | 0, /*instruction_is_frsp*/ | |
| 3490 | 0, /*instruction_is_convert_to_64bit*/ | |
| 3491 | 0, /*instruction_is_convert_to_32bit*/ | |
| 3492 | 1); /*single-precision*/ | |
| 3493 | } | |
| 3494 | else { | |
| 3495 | /*HACK!*/ | |
| 3496 | float s = *(double*)frA + *(double*)frB; | |
| 3497 | *(double*)frT = s; | |
| 3498 | } | |
| 3499 | FPSCR_END(Rc); | |
| 45525d8d | 3500 | PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK, Rc); |
| c143ef62 MM |
3501 | |
| 3502 | 0.63,6.FRT,11.FRA,16.FRB,21./,26.20,31.Rc:A:f:fsub:Floating Subtract | |
| 54e98699 MM |
3503 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
| 3504 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| 3505 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| 3506 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| c143ef62 MM |
3507 | FPSCR_BEGIN; |
| 3508 | if (is_invalid_operation(processor, cia, | |
| 3509 | *frA, *frB, | |
| 3510 | fpscr_vxsnan | fpscr_vxisi, | |
| 3511 | 0, /*single?*/ | |
| 3512 | 1) /*negate?*/) { | |
| 3513 | invalid_arithemetic_operation(processor, cia, | |
| 3514 | frT, *frA, *frB, 0, | |
| 3515 | 0, /*instruction_is_frsp*/ | |
| 3516 | 0, /*instruction_is_convert_to_64bit*/ | |
| 3517 | 0, /*instruction_is_convert_to_32bit*/ | |
| 3518 | 0); /*single-precision*/ | |
| 3519 | } | |
| 3520 | else { | |
| 3521 | /*HACK!*/ | |
| 3522 | double s = *(double*)frA - *(double*)frB; | |
| 3523 | *(double*)frT = s; | |
| 3524 | } | |
| 3525 | FPSCR_END(Rc); | |
| 45525d8d | 3526 | PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK, Rc); |
| 845ff5a4 | 3527 | |
| c143ef62 | 3528 | 0.59,6.FRT,11.FRA,16.FRB,21./,26.20,31.Rc:A:f:fsubs:Floating Subtract Single |
| 54e98699 MM |
3529 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
| 3530 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| 3531 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| 3532 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| c143ef62 MM |
3533 | FPSCR_BEGIN; |
| 3534 | if (is_invalid_operation(processor, cia, | |
| 3535 | *frA, *frB, | |
| 3536 | fpscr_vxsnan | fpscr_vxisi, | |
| 3537 | 1, /*single?*/ | |
| 3538 | 1) /*negate?*/) { | |
| 3539 | invalid_arithemetic_operation(processor, cia, | |
| 3540 | frT, *frA, *frB, 0, | |
| 3541 | 0, /*instruction_is_frsp*/ | |
| 3542 | 0, /*instruction_is_convert_to_64bit*/ | |
| 3543 | 0, /*instruction_is_convert_to_32bit*/ | |
| 3544 | 1); /*single-precision*/ | |
| 3545 | } | |
| 3546 | else { | |
| 3547 | /*HACK!*/ | |
| 3548 | float s = *(double*)frA - *(double*)frB; | |
| 3549 | *(double*)frT = s; | |
| 3550 | } | |
| 3551 | FPSCR_END(Rc); | |
| 45525d8d | 3552 | PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK, Rc); |
| c143ef62 MM |
3553 | |
| 3554 | 0.63,6.FRT,11.FRA,16./,21.FRC,26.25,31.Rc:A:f:fmul:Floating Multiply | |
| 54e98699 MM |
3555 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 5, 5, 0 |
| 3556 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0 | |
| 3557 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0 | |
| 3558 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| c143ef62 MM |
3559 | FPSCR_BEGIN; |
| 3560 | if (is_invalid_operation(processor, cia, | |
| 3561 | *frA, *frC, | |
| 3562 | fpscr_vxsnan | fpscr_vximz, | |
| 3563 | 0, /*single?*/ | |
| 3564 | 0) /*negate?*/) { | |
| 3565 | invalid_arithemetic_operation(processor, cia, | |
| 3566 | frT, *frA, 0, *frC, | |
| 3567 | 0, /*instruction_is_frsp*/ | |
| 3568 | 0, /*instruction_is_convert_to_64bit*/ | |
| 3569 | 0, /*instruction_is_convert_to_32bit*/ | |
| 3570 | 0); /*single-precision*/ | |
| 3571 | } | |
| 3572 | else { | |
| 3573 | /*HACK!*/ | |
| 3574 | double s = *(double*)frA * *(double*)frC; | |
| 3575 | *(double*)frT = s; | |
| 3576 | } | |
| 3577 | FPSCR_END(Rc); | |
| 45525d8d | 3578 | PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRC_BITMASK, Rc); |
| 845ff5a4 | 3579 | |
| c143ef62 | 3580 | 0.59,6.FRT,11.FRA,16./,21.FRC,26.25,31.Rc:A:f:fmuls:Floating Multiply Single |
| 54e98699 MM |
3581 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
| 3582 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| 3583 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| 3584 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| c143ef62 MM |
3585 | FPSCR_BEGIN; |
| 3586 | if (is_invalid_operation(processor, cia, | |
| 3587 | *frA, *frC, | |
| 3588 | fpscr_vxsnan | fpscr_vximz, | |
| 3589 | 1, /*single?*/ | |
| 3590 | 0) /*negate?*/) { | |
| 3591 | invalid_arithemetic_operation(processor, cia, | |
| 3592 | frT, *frA, 0, *frC, | |
| 3593 | 0, /*instruction_is_frsp*/ | |
| 3594 | 0, /*instruction_is_convert_to_64bit*/ | |
| 3595 | 0, /*instruction_is_convert_to_32bit*/ | |
| 3596 | 1); /*single-precision*/ | |
| 3597 | } | |
| 3598 | else { | |
| 3599 | /*HACK!*/ | |
| 3600 | float s = *(double*)frA * *(double*)frC; | |
| 3601 | *(double*)frT = s; | |
| 3602 | } | |
| 3603 | FPSCR_END(Rc); | |
| 45525d8d | 3604 | PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRC_BITMASK, Rc); |
| c143ef62 MM |
3605 | |
| 3606 | 0.63,6.FRT,11.FRA,16.FRB,21./,26.18,31.Rc:A:f:fdiv:Floating Divide | |
| 54e98699 MM |
3607 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 31, 31, 0 |
| 3608 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 33, 33, 0 | |
| 3609 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 33, 33, 0 | |
| 3610 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 32, 32, 0 | |
| c143ef62 MM |
3611 | FPSCR_BEGIN; |
| 3612 | if (is_invalid_operation(processor, cia, | |
| 3613 | *frA, *frB, | |
| 3614 | fpscr_vxsnan | fpscr_vxzdz, | |
| 3615 | 0, /*single?*/ | |
| 3616 | 0) /*negate?*/) { | |
| 3617 | invalid_arithemetic_operation(processor, cia, | |
| 3618 | frT, *frA, *frB, 0, | |
| 3619 | 0, /*instruction_is_frsp*/ | |
| 3620 | 0, /*instruction_is_convert_to_64bit*/ | |
| 3621 | 0, /*instruction_is_convert_to_32bit*/ | |
| 3622 | 0); /*single-precision*/ | |
| 3623 | } | |
| 3624 | else { | |
| 3625 | /*HACK!*/ | |
| 3626 | double s = *(double*)frA / *(double*)frB; | |
| 3627 | *(double*)frT = s; | |
| 3628 | } | |
| 3629 | FPSCR_END(Rc); | |
| 45525d8d | 3630 | PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK, Rc); |
| 845ff5a4 | 3631 | |
| c143ef62 | 3632 | 0.59,6.FRT,11.FRA,16.FRB,21./,26.18,31.Rc:A:f:fdivs:Floating Divide Single |
| 54e98699 MM |
3633 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 17, 17, 0 |
| 3634 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 18, 18, 0 | |
| 3635 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 18, 18, 0 | |
| 3636 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 18, 18, 0 | |
| c143ef62 MM |
3637 | FPSCR_BEGIN; |
| 3638 | if (is_invalid_operation(processor, cia, | |
| 3639 | *frA, *frB, | |
| 3640 | fpscr_vxsnan | fpscr_vxzdz, | |
| 3641 | 1, /*single?*/ | |
| 3642 | 0) /*negate?*/) { | |
| 3643 | invalid_arithemetic_operation(processor, cia, | |
| 3644 | frT, *frA, *frB, 0, | |
| 3645 | 0, /*instruction_is_frsp*/ | |
| 3646 | 0, /*instruction_is_convert_to_64bit*/ | |
| 3647 | 0, /*instruction_is_convert_to_32bit*/ | |
| 3648 | 1); /*single-precision*/ | |
| 3649 | } | |
| 3650 | else { | |
| 3651 | /*HACK!*/ | |
| 3652 | float s = *(double*)frA / *(double*)frB; | |
| 3653 | *(double*)frT = s; | |
| 3654 | } | |
| 3655 | FPSCR_END(Rc); | |
| 45525d8d | 3656 | PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK, Rc); |
| c143ef62 MM |
3657 | |
| 3658 | 0.63,6.FRT,11.FRA,16.FRB,21.FRC,26.29,31.Rc:A:f:fmadd:Floating Multiply-Add | |
| 54e98699 MM |
3659 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 5, 5, 0 |
| 3660 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0 | |
| 3661 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0 | |
| 3662 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| c143ef62 MM |
3663 | FPSCR_BEGIN; |
| 3664 | double product; /*HACK! - incorrectly loosing precision ... */ | |
| 3665 | /* compute the multiply */ | |
| 3666 | if (is_invalid_operation(processor, cia, | |
| 3667 | *frA, *frC, | |
| 3668 | fpscr_vxsnan | fpscr_vximz, | |
| 3669 | 0, /*single?*/ | |
| 3670 | 0) /*negate?*/) { | |
| 3671 | invalid_arithemetic_operation(processor, cia, | |
| 3672 | (unsigned64*)&product, *frA, 0, *frC, | |
| 3673 | 0, /*instruction_is_frsp*/ | |
| 3674 | 0, /*instruction_is_convert_to_64bit*/ | |
| 3675 | 0, /*instruction_is_convert_to_32bit*/ | |
| 3676 | 0); /*single-precision*/ | |
| 3677 | } | |
| 3678 | else { | |
| 3679 | /*HACK!*/ | |
| 3680 | product = *(double*)frA * *(double*)frC; | |
| 3681 | } | |
| 3682 | /* compute the add */ | |
| 3683 | if (is_invalid_operation(processor, cia, | |
| 3684 | product, *frB, | |
| 3685 | fpscr_vxsnan | fpscr_vxisi, | |
| 3686 | 0, /*single?*/ | |
| 3687 | 0) /*negate?*/) { | |
| 3688 | invalid_arithemetic_operation(processor, cia, | |
| 3689 | frT, product, *frB, 0, | |
| 3690 | 0, /*instruction_is_frsp*/ | |
| 3691 | 0, /*instruction_is_convert_to_64bit*/ | |
| 3692 | 0, /*instruction_is_convert_to_32bit*/ | |
| 3693 | 0); /*single-precision*/ | |
| 3694 | } | |
| 3695 | else { | |
| 3696 | /*HACK!*/ | |
| 3697 | double s = product + *(double*)frB; | |
| 3698 | *(double*)frT = s; | |
| 3699 | } | |
| 3700 | FPSCR_END(Rc); | |
| 45525d8d | 3701 | PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK | FRC_BITMASK, Rc); |
| 845ff5a4 | 3702 | |
| c143ef62 | 3703 | 0.59,6.FRT,11.FRA,16.FRB,21.FRC,26.29,31.Rc:A:f::Floating Multiply-Add Single |
| 54e98699 MM |
3704 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
| 3705 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| 3706 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| 3707 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| 4a0351ab MM |
3708 | FPSCR_BEGIN; |
| 3709 | float product; /*HACK! - incorrectly loosing precision ... */ | |
| 3710 | /* compute the multiply */ | |
| 3711 | if (is_invalid_operation(processor, cia, | |
| 3712 | *frA, *frC, | |
| 3713 | fpscr_vxsnan | fpscr_vximz, | |
| 3714 | 1, /*single?*/ | |
| 3715 | 0) /*negate?*/) { | |
| 3716 | invalid_arithemetic_operation(processor, cia, | |
| 3717 | (unsigned64*)&product, *frA, 0, *frC, | |
| 3718 | 0, /*instruction_is_frsp*/ | |
| 3719 | 0, /*instruction_is_convert_to_64bit*/ | |
| 3720 | 0, /*instruction_is_convert_to_32bit*/ | |
| 3721 | 0); /*single-precision*/ | |
| 3722 | } | |
| 3723 | else { | |
| 3724 | /*HACK!*/ | |
| 3725 | product = *(double*)frA * *(double*)frC; | |
| 3726 | } | |
| 3727 | /* compute the add */ | |
| 3728 | if (is_invalid_operation(processor, cia, | |
| 3729 | product, *frB, | |
| 3730 | fpscr_vxsnan | fpscr_vxisi, | |
| 3731 | 1, /*single?*/ | |
| 3732 | 0) /*negate?*/) { | |
| 3733 | invalid_arithemetic_operation(processor, cia, | |
| 3734 | frT, product, *frB, 0, | |
| 3735 | 0, /*instruction_is_frsp*/ | |
| 3736 | 0, /*instruction_is_convert_to_64bit*/ | |
| 3737 | 0, /*instruction_is_convert_to_32bit*/ | |
| 3738 | 0); /*single-precision*/ | |
| 3739 | } | |
| 3740 | else { | |
| 3741 | /*HACK!*/ | |
| 3742 | float s = product + *(double*)frB; | |
| 3743 | *(double*)frT = (double)s; | |
| 3744 | } | |
| 3745 | FPSCR_END(Rc); | |
| 45525d8d | 3746 | PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK | FRC_BITMASK, Rc); |
| 4a0351ab MM |
3747 | |
| 3748 | 0.63,6.FRT,11.FRA,16.FRB,21.FRC,26.28,31.Rc:A:f::Floating Multiply-Subtract | |
| 3749 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 5, 5, 0 | |
| 3750 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0 | |
| 3751 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0 | |
| 54e98699 | 3752 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 4a0351ab MM |
3753 | FPSCR_BEGIN; |
| 3754 | double product; /*HACK! - incorrectly loosing precision ... */ | |
| 3755 | /* compute the multiply */ | |
| 3756 | if (is_invalid_operation(processor, cia, | |
| 3757 | *frA, *frC, | |
| 3758 | fpscr_vxsnan | fpscr_vximz, | |
| 3759 | 0, /*single?*/ | |
| 3760 | 0) /*negate?*/) { | |
| 3761 | invalid_arithemetic_operation(processor, cia, | |
| 3762 | (unsigned64*)&product, *frA, 0, *frC, | |
| 3763 | 0, /*instruction_is_frsp*/ | |
| 3764 | 0, /*instruction_is_convert_to_64bit*/ | |
| 3765 | 0, /*instruction_is_convert_to_32bit*/ | |
| 3766 | 0); /*single-precision*/ | |
| 3767 | } | |
| 3768 | else { | |
| 3769 | /*HACK!*/ | |
| 3770 | product = *(double*)frA * *(double*)frC; | |
| 3771 | } | |
| 3772 | /* compute the subtract */ | |
| 3773 | if (is_invalid_operation(processor, cia, | |
| 3774 | product, *frB, | |
| 3775 | fpscr_vxsnan | fpscr_vxisi, | |
| 3776 | 0, /*single?*/ | |
| 3777 | 0) /*negate?*/) { | |
| 3778 | invalid_arithemetic_operation(processor, cia, | |
| 3779 | frT, product, *frB, 0, | |
| 3780 | 0, /*instruction_is_frsp*/ | |
| 3781 | 0, /*instruction_is_convert_to_64bit*/ | |
| 3782 | 0, /*instruction_is_convert_to_32bit*/ | |
| 3783 | 0); /*single-precision*/ | |
| 3784 | } | |
| 3785 | else { | |
| 3786 | /*HACK!*/ | |
| 3787 | double s = product - *(double*)frB; | |
| 3788 | *(double*)frT = s; | |
| 3789 | } | |
| 3790 | FPSCR_END(Rc); | |
| 45525d8d | 3791 | PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK | FRC_BITMASK, Rc); |
| 845ff5a4 | 3792 | |
| c143ef62 | 3793 | 0.59,6.FRT,11.FRA,16.FRB,21.FRC,26.28,31.Rc:A:f::Floating Multiply-Subtract Single |
| 54e98699 MM |
3794 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
| 3795 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| 3796 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| 3797 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| 4a0351ab MM |
3798 | FPSCR_BEGIN; |
| 3799 | float product; /*HACK! - incorrectly loosing precision ... */ | |
| 3800 | /* compute the multiply */ | |
| 3801 | if (is_invalid_operation(processor, cia, | |
| 3802 | *frA, *frC, | |
| 3803 | fpscr_vxsnan | fpscr_vximz, | |
| 3804 | 1, /*single?*/ | |
| 3805 | 0) /*negate?*/) { | |
| 3806 | invalid_arithemetic_operation(processor, cia, | |
| 3807 | (unsigned64*)&product, *frA, 0, *frC, | |
| 3808 | 0, /*instruction_is_frsp*/ | |
| 3809 | 0, /*instruction_is_convert_to_64bit*/ | |
| 3810 | 0, /*instruction_is_convert_to_32bit*/ | |
| 3811 | 0); /*single-precision*/ | |
| 3812 | } | |
| 3813 | else { | |
| 3814 | /*HACK!*/ | |
| 3815 | product = *(double*)frA * *(double*)frC; | |
| 3816 | } | |
| 3817 | /* compute the subtract */ | |
| 3818 | if (is_invalid_operation(processor, cia, | |
| 3819 | product, *frB, | |
| 3820 | fpscr_vxsnan | fpscr_vxisi, | |
| 3821 | 1, /*single?*/ | |
| 3822 | 0) /*negate?*/) { | |
| 3823 | invalid_arithemetic_operation(processor, cia, | |
| 3824 | frT, product, *frB, 0, | |
| 3825 | 0, /*instruction_is_frsp*/ | |
| 3826 | 0, /*instruction_is_convert_to_64bit*/ | |
| 3827 | 0, /*instruction_is_convert_to_32bit*/ | |
| 3828 | 0); /*single-precision*/ | |
| 3829 | } | |
| 3830 | else { | |
| 3831 | /*HACK!*/ | |
| 3832 | float s = product - *(double*)frB; | |
| 3833 | *(double*)frT = (double)s; | |
| 3834 | } | |
| 3835 | FPSCR_END(Rc); | |
| 45525d8d | 3836 | PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK | FRC_BITMASK, Rc); |
| c143ef62 MM |
3837 | |
| 3838 | 0.63,6.FRT,11.FRA,16.FRB,21.FRC,26.31,31.Rc:A:f::Floating Negative Multiply-Add | |
| 54e98699 MM |
3839 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 5, 5, 0 |
| 3840 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0 | |
| 3841 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0 | |
| 3842 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| 4a0351ab MM |
3843 | FPSCR_BEGIN; |
| 3844 | double product; /*HACK! - incorrectly loosing precision ... */ | |
| 3845 | /* compute the multiply */ | |
| 3846 | if (is_invalid_operation(processor, cia, | |
| 3847 | *frA, *frC, | |
| 3848 | fpscr_vxsnan | fpscr_vximz, | |
| 3849 | 0, /*single?*/ | |
| 3850 | 0) /*negate?*/) { | |
| 3851 | invalid_arithemetic_operation(processor, cia, | |
| 3852 | (unsigned64*)&product, *frA, 0, *frC, | |
| 3853 | 0, /*instruction_is_frsp*/ | |
| 3854 | 0, /*instruction_is_convert_to_64bit*/ | |
| 3855 | 0, /*instruction_is_convert_to_32bit*/ | |
| 3856 | 0); /*single-precision*/ | |
| 3857 | } | |
| 3858 | else { | |
| 3859 | /*HACK!*/ | |
| 3860 | product = *(double*)frA * *(double*)frC; | |
| 3861 | } | |
| 3862 | /* compute the add */ | |
| 3863 | if (is_invalid_operation(processor, cia, | |
| 3864 | product, *frB, | |
| 3865 | fpscr_vxsnan | fpscr_vxisi, | |
| 3866 | 0, /*single?*/ | |
| 3867 | 0) /*negate?*/) { | |
| 3868 | invalid_arithemetic_operation(processor, cia, | |
| 3869 | frT, product, *frB, 0, | |
| 3870 | 0, /*instruction_is_frsp*/ | |
| 3871 | 0, /*instruction_is_convert_to_64bit*/ | |
| 3872 | 0, /*instruction_is_convert_to_32bit*/ | |
| 3873 | 0); /*single-precision*/ | |
| 3874 | } | |
| 3875 | else { | |
| 3876 | /*HACK!*/ | |
| 3877 | double s = -(product + *(double*)frB); | |
| 3878 | *(double*)frT = s; | |
| 3879 | } | |
| 3880 | FPSCR_END(Rc); | |
| 45525d8d | 3881 | PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK | FRC_BITMASK, Rc); |
| 845ff5a4 | 3882 | |
| c143ef62 | 3883 | 0.59,6.FRT,11.FRA,16.FRB,21.FRC,26.31,31.Rc:A:f::Floating Negative Multiply-Add Single |
| 54e98699 MM |
3884 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
| 3885 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| 3886 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| 3887 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| 4a0351ab MM |
3888 | FPSCR_BEGIN; |
| 3889 | float product; /*HACK! - incorrectly loosing precision ... */ | |
| 3890 | /* compute the multiply */ | |
| 3891 | if (is_invalid_operation(processor, cia, | |
| 3892 | *frA, *frC, | |
| 3893 | fpscr_vxsnan | fpscr_vximz, | |
| 3894 | 1, /*single?*/ | |
| 3895 | 0) /*negate?*/) { | |
| 3896 | invalid_arithemetic_operation(processor, cia, | |
| 3897 | (unsigned64*)&product, *frA, 0, *frC, | |
| 3898 | 0, /*instruction_is_frsp*/ | |
| 3899 | 0, /*instruction_is_convert_to_64bit*/ | |
| 3900 | 0, /*instruction_is_convert_to_32bit*/ | |
| 3901 | 0); /*single-precision*/ | |
| 3902 | } | |
| 3903 | else { | |
| 3904 | /*HACK!*/ | |
| 3905 | product = *(double*)frA * *(double*)frC; | |
| 3906 | } | |
| 3907 | /* compute the add */ | |
| 3908 | if (is_invalid_operation(processor, cia, | |
| 3909 | product, *frB, | |
| 3910 | fpscr_vxsnan | fpscr_vxisi, | |
| 3911 | 1, /*single?*/ | |
| 3912 | 0) /*negate?*/) { | |
| 3913 | invalid_arithemetic_operation(processor, cia, | |
| 3914 | frT, product, *frB, 0, | |
| 3915 | 0, /*instruction_is_frsp*/ | |
| 3916 | 0, /*instruction_is_convert_to_64bit*/ | |
| 3917 | 0, /*instruction_is_convert_to_32bit*/ | |
| 3918 | 0); /*single-precision*/ | |
| 3919 | } | |
| 3920 | else { | |
| 3921 | /*HACK!*/ | |
| 3922 | float s = -(product + *(double*)frB); | |
| 3923 | *(double*)frT = (double)s; | |
| 3924 | } | |
| 3925 | FPSCR_END(Rc); | |
| 45525d8d | 3926 | PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK | FRC_BITMASK, Rc); |
| c143ef62 MM |
3927 | |
| 3928 | 0.63,6.FRT,11.FRA,16.FRB,21.FRC,26.30,31.Rc:A:f::Floating Negative Multiply-Subtract | |
| 54e98699 MM |
3929 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 5, 5, 0 |
| 3930 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0 | |
| 3931 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0 | |
| 3932 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| 4a0351ab MM |
3933 | FPSCR_BEGIN; |
| 3934 | double product; /*HACK! - incorrectly loosing precision ... */ | |
| 3935 | /* compute the multiply */ | |
| 3936 | if (is_invalid_operation(processor, cia, | |
| 3937 | *frA, *frC, | |
| 3938 | fpscr_vxsnan | fpscr_vximz, | |
| 3939 | 0, /*single?*/ | |
| 3940 | 0) /*negate?*/) { | |
| 3941 | invalid_arithemetic_operation(processor, cia, | |
| 3942 | (unsigned64*)&product, *frA, 0, *frC, | |
| 3943 | 0, /*instruction_is_frsp*/ | |
| 3944 | 0, /*instruction_is_convert_to_64bit*/ | |
| 3945 | 0, /*instruction_is_convert_to_32bit*/ | |
| 3946 | 0); /*single-precision*/ | |
| 3947 | } | |
| 3948 | else { | |
| 3949 | /*HACK!*/ | |
| 3950 | product = *(double*)frA * *(double*)frC; | |
| 3951 | } | |
| 3952 | /* compute the subtract */ | |
| 3953 | if (is_invalid_operation(processor, cia, | |
| 3954 | product, *frB, | |
| 3955 | fpscr_vxsnan | fpscr_vxisi, | |
| 3956 | 0, /*single?*/ | |
| 3957 | 0) /*negate?*/) { | |
| 3958 | invalid_arithemetic_operation(processor, cia, | |
| 3959 | frT, product, *frB, 0, | |
| 3960 | 0, /*instruction_is_frsp*/ | |
| 3961 | 0, /*instruction_is_convert_to_64bit*/ | |
| 3962 | 0, /*instruction_is_convert_to_32bit*/ | |
| 3963 | 0); /*single-precision*/ | |
| 3964 | } | |
| 3965 | else { | |
| 3966 | /*HACK!*/ | |
| 3967 | double s = -(product - *(double*)frB); | |
| 3968 | *(double*)frT = s; | |
| 3969 | } | |
| 3970 | FPSCR_END(Rc); | |
| 45525d8d | 3971 | PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK | FRC_BITMASK, Rc); |
| 845ff5a4 | 3972 | |
| c143ef62 | 3973 | 0.59,6.FRT,11.FRA,16.FRB,21.FRC,26.30,31.Rc:A:f::Floating Negative Multiply-Subtract Single |
| 54e98699 MM |
3974 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
| 3975 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| 3976 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| 3977 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| 4a0351ab MM |
3978 | FPSCR_BEGIN; |
| 3979 | float product; /*HACK! - incorrectly loosing precision ... */ | |
| 3980 | /* compute the multiply */ | |
| 3981 | if (is_invalid_operation(processor, cia, | |
| 3982 | *frA, *frC, | |
| 3983 | fpscr_vxsnan | fpscr_vximz, | |
| 3984 | 1, /*single?*/ | |
| 3985 | 0) /*negate?*/) { | |
| 3986 | invalid_arithemetic_operation(processor, cia, | |
| 3987 | (unsigned64*)&product, *frA, 0, *frC, | |
| 3988 | 0, /*instruction_is_frsp*/ | |
| 3989 | 0, /*instruction_is_convert_to_64bit*/ | |
| 3990 | 0, /*instruction_is_convert_to_32bit*/ | |
| 3991 | 0); /*single-precision*/ | |
| 3992 | } | |
| 3993 | else { | |
| 3994 | /*HACK!*/ | |
| 3995 | product = *(double*)frA * *(double*)frC; | |
| 3996 | } | |
| 3997 | /* compute the subtract */ | |
| 3998 | if (is_invalid_operation(processor, cia, | |
| 3999 | product, *frB, | |
| 4000 | fpscr_vxsnan | fpscr_vxisi, | |
| 4001 | 1, /*single?*/ | |
| 4002 | 0) /*negate?*/) { | |
| 4003 | invalid_arithemetic_operation(processor, cia, | |
| 4004 | frT, product, *frB, 0, | |
| 4005 | 0, /*instruction_is_frsp*/ | |
| 4006 | 0, /*instruction_is_convert_to_64bit*/ | |
| 4007 | 0, /*instruction_is_convert_to_32bit*/ | |
| 4008 | 0); /*single-precision*/ | |
| 4009 | } | |
| 4010 | else { | |
| 4011 | /*HACK!*/ | |
| 4012 | float s = -(product - *(double*)frB); | |
| 4013 | *(double*)frT = (double)s; | |
| 4014 | } | |
| 4015 | FPSCR_END(Rc); | |
| 45525d8d | 4016 | PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK | FRC_BITMASK, Rc); |
| c143ef62 MM |
4017 | |
| 4018 | ||
| 4019 | # | |
| 4020 | # I.4.6.6 Floating-Point Rounding and Conversion Instructions | |
| 4021 | # | |
| 4022 | ||
| 4023 | 0.63,6.FRT,11./,16.FRB,21.12,31.Rc:X:f::Floating Round to Single-Precision | |
| 54e98699 MM |
4024 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
| 4025 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| 4026 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| 4027 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| c143ef62 MM |
4028 | int sign; |
| 4029 | int exp; | |
| 4030 | unsigned64 frac_grx; | |
| 4031 | /* split off cases for what to do */ | |
| 4032 | if (EXTRACTED64(*frB, 1, 11) < 897 | |
| 4033 | && EXTRACTED64(*frB, 1, 63) > 0) { | |
| 4034 | if ((FPSCR & fpscr_ue) == 0) goto Disabled_Exponent_Underflow; | |
| 4035 | if ((FPSCR & fpscr_ue) != 0) goto Enabled_Exponent_Underflow; | |
| 4036 | } | |
| 4037 | if (EXTRACTED64(*frB, 1, 11) > 1150 | |
| 4038 | && EXTRACTED64(*frB, 1, 11) < 2047) { | |
| 4039 | if ((FPSCR & fpscr_oe) == 0) goto Disabled_Exponent_Overflow; | |
| 4040 | if ((FPSCR & fpscr_oe) != 0) goto Enabled_Exponent_Overflow; | |
| 4041 | } | |
| 4042 | if (EXTRACTED64(*frB, 1, 11) > 896 | |
| 4043 | && EXTRACTED64(*frB, 1, 11) < 1151) goto Normal_Operand; | |
| 4044 | if (EXTRACTED64(*frB, 1, 63) == 0) goto Zero_Operand; | |
| 4045 | if (EXTRACTED64(*frB, 1, 11) == 2047) { | |
| 4046 | if (EXTRACTED64(*frB, 12, 63) == 0) goto Infinity_Operand; | |
| 4047 | if (EXTRACTED64(*frB, 12, 12) == 1) goto QNaN_Operand; | |
| 4048 | if (EXTRACTED64(*frB, 12, 12) == 0 | |
| 4049 | && EXTRACTED64(*frB, 13, 63) > 0) goto SNaN_Operand; | |
| 4050 | } | |
| 4051 | /* handle them */ | |
| 4052 | Disabled_Exponent_Underflow: | |
| 4053 | sign = EXTRACTED64(*frB, 0, 0); | |
| 4054 | if (EXTRACTED64(*frB, 1, 11) == 0) { | |
| 4055 | exp = -1022; | |
| 4056 | frac_grx = INSERTED64(EXTRACTED64(*frB, 12, 63), 1, 52); | |
| 4057 | } | |
| 4058 | if (EXTRACTED64(*frB, 1, 11) > 0) { | |
| 4059 | exp = EXTRACTED64(*frB, 1, 11) - 1023; | |
| 4060 | frac_grx = BIT64(0) | INSERTED64(EXTRACTED64(*frB, 12, 63), 1, 52); | |
| 4061 | } | |
| c143ef62 MM |
4062 | /* G|R|X == zero from above */ |
| 4063 | while (exp < -126) { | |
| 4064 | exp = exp - 1; | |
| 4065 | frac_grx = (INSERTED64(EXTRACTED64(frac_grx, 0, 54), 1, 55) | |
| 4066 | | MASKED64(frac_grx, 55, 55)); | |
| 4067 | } | |
| 4068 | FPSCR_SET_UX(EXTRACTED64(frac_grx, 24, 55) > 0); | |
| 4069 | Round_Single(processor, sign, &exp, &frac_grx); | |
| 4070 | FPSCR_SET_XX(FPSCR & fpscr_fi); | |
| 4071 | if (EXTRACTED64(frac_grx, 0, 52) == 0) { | |
| 4072 | *frT = INSERTED64(sign, 0, 0); | |
| 4073 | if (sign == 0) FPSCR_SET_FPRF(fpscr_rf_pos_zero); | |
| 4074 | if (sign == 1) FPSCR_SET_FPRF(fpscr_rf_neg_zero); | |
| 4075 | } | |
| 4076 | if (EXTRACTED64(frac_grx, 0, 52) > 0) { | |
| 4077 | if (EXTRACTED64(frac_grx, 0, 0) == 1) { | |
| 4078 | if (sign == 0) FPSCR_SET_FPRF(fpscr_rf_pos_normal_number); | |
| 4079 | if (sign == 1) FPSCR_SET_FPRF(fpscr_rf_neg_normal_number); | |
| 4080 | } | |
| 4081 | if (EXTRACTED64(frac_grx, 0, 0) == 0) { | |
| 4082 | if (sign == 0) FPSCR_SET_FPRF(fpscr_rf_pos_denormalized_number); | |
| 4083 | if (sign == 1) FPSCR_SET_FPRF(fpscr_rf_neg_denormalized_number); | |
| 4084 | } | |
| 4085 | /*Normalize_Operand:*/ | |
| 4086 | while (EXTRACTED64(frac_grx, 0, 0) == 0) { | |
| 4087 | exp = exp - 1; | |
| 4088 | frac_grx = INSERTED64(EXTRACTED64(frac_grx, 1, 52), 0, 51); | |
| 4089 | } | |
| 4090 | *frT = (INSERTED64(sign, 0, 0) | |
| 4091 | | INSERTED64(exp + 1023, 1, 11) | |
| 4092 | | INSERTED64(EXTRACTED64(frac_grx, 1, 52), 12, 63)); | |
| 4093 | } | |
| 4094 | goto Done; | |
| 4095 | Enabled_Exponent_Underflow: | |
| 4096 | FPSCR_SET_UX(1); | |
| 4097 | sign = EXTRACTED64(*frB, 0, 0); | |
| 4098 | if (EXTRACTED64(*frB, 1, 11) == 0) { | |
| 4099 | exp = -1022; | |
| 4100 | frac_grx = INSERTED64(EXTRACTED64(*frB, 12, 63), 1, 52); | |
| 4101 | } | |
| 4102 | if (EXTRACTED64(*frB, 1, 11) > 0) { | |
| 4103 | exp = EXTRACTED64(*frB, 1, 11) - 1023; | |
| 4104 | frac_grx = (BIT64(0) | | |
| 4105 | INSERTED64(EXTRACTED64(*frB, 12, 63), 1, 52)); | |
| 4106 | } | |
| 4107 | /*Normalize_Operand:*/ | |
| 4108 | while (EXTRACTED64(frac_grx, 0, 0) == 0) { | |
| 4109 | exp = exp - 1; | |
| 4110 | frac_grx = INSERTED64(EXTRACTED64(frac_grx, 1, 52), 0, 51); | |
| 4111 | } | |
| 4112 | Round_Single(processor, sign, &exp, &frac_grx); | |
| 4113 | FPSCR_SET_XX(FPSCR & fpscr_fi); | |
| 4114 | exp = exp + 192; | |
| 4115 | *frT = (INSERTED64(sign, 0, 0) | |
| 4116 | | INSERTED64(exp + 1023, 1, 11) | |
| 4117 | | INSERTED64(EXTRACTED64(frac_grx, 1, 52), 12, 63)); | |
| 4118 | if (sign == 0) FPSCR_SET_FPRF(fpscr_rf_pos_normal_number); | |
| 4119 | if (sign == 1) FPSCR_SET_FPRF(fpscr_rf_neg_normal_number); | |
| 4120 | goto Done; | |
| 4121 | Disabled_Exponent_Overflow: | |
| 4122 | FPSCR_SET_OX(1); | |
| 4123 | if ((FPSCR & fpscr_rn) == fpscr_rn_round_to_nearest) { | |
| 4124 | if (EXTRACTED64(*frB, 0, 0) == 0) { | |
| 4125 | *frT = INSERTED64(0x7FF00000, 0, 31) | 0x00000000; | |
| 4126 | FPSCR_SET_FPRF(fpscr_rf_pos_infinity); | |
| 4127 | } | |
| 4128 | if (EXTRACTED64(*frB, 0, 0) == 1) { | |
| 4129 | *frT = INSERTED64(0xFFF00000, 0, 31) | 0x00000000; | |
| 4130 | FPSCR_SET_FPRF(fpscr_rf_neg_infinity); | |
| 4131 | } | |
| 4132 | } | |
| 4133 | if ((FPSCR & fpscr_rn) == fpscr_rn_round_towards_zero) { | |
| 4134 | if (EXTRACTED64(*frB, 0, 0) == 0) { | |
| 4135 | *frT = INSERTED64(0x47EFFFFF, 0, 31) | 0xE0000000; | |
| 4136 | FPSCR_SET_FPRF(fpscr_rf_pos_normal_number); | |
| 4137 | } | |
| 4138 | if (EXTRACTED64(*frB, 0, 0) == 1) { | |
| 4139 | *frT = INSERTED64(0xC7EFFFFF, 0, 31) | 0xE0000000; | |
| 4140 | FPSCR_SET_FPRF(fpscr_rf_neg_normal_number); | |
| 4141 | } | |
| 4142 | } | |
| 4143 | if ((FPSCR & fpscr_rn) == fpscr_rn_round_towards_pos_infinity) { | |
| 4144 | if (EXTRACTED64(*frB, 0, 0) == 0) { | |
| 4145 | *frT = INSERTED64(0x7FF00000, 0, 31) | 0x00000000; | |
| 4146 | FPSCR_SET_FPRF(fpscr_rf_pos_infinity); | |
| 4147 | } | |
| 4148 | if (EXTRACTED64(*frB, 0, 0) == 1) { | |
| 4149 | *frT = INSERTED64(0xC7EFFFFF, 0, 31) | 0xE0000000; | |
| 4150 | FPSCR_SET_FPRF(fpscr_rf_neg_normal_number); | |
| 4151 | } | |
| 4152 | } | |
| 4153 | if ((FPSCR & fpscr_rn) == fpscr_rn_round_towards_neg_infinity) { | |
| 4154 | if (EXTRACTED64(*frB, 0, 0) == 0) { | |
| 4155 | *frT = INSERTED64(0x47EFFFFF, 0, 31) | 0xE0000000; | |
| 4156 | FPSCR_SET_FPRF(fpscr_rf_pos_normal_number); | |
| 4157 | } | |
| 4158 | if (EXTRACTED64(*frB, 0, 0) == 1) { | |
| 4159 | *frT = INSERTED64(0xFFF00000, 0, 31) | 0x00000000; | |
| 4160 | FPSCR_SET_FPRF(fpscr_rf_neg_infinity); | |
| 4161 | } | |
| 4162 | } | |
| 4163 | /* FPSCR[FR] <- undefined */ | |
| 4164 | FPSCR_SET_FI(1); | |
| 4165 | FPSCR_SET_XX(1); | |
| 4166 | goto Done; | |
| 4167 | Enabled_Exponent_Overflow: | |
| 4168 | sign = EXTRACTED64(*frB, 0, 0); | |
| 4169 | exp = EXTRACTED64(*frB, 1, 11) - 1023; | |
| 4170 | frac_grx = BIT64(0) | INSERTED64(EXTRACTED64(*frB, 12, 63), 1, 52); | |
| 4171 | Round_Single(processor, sign, &exp, &frac_grx); | |
| 4172 | FPSCR_SET_XX(FPSCR & fpscr_fi); | |
| 4173 | Enabled_Overflow: | |
| 4174 | FPSCR_SET_OX(1); | |
| 4175 | exp = exp - 192; | |
| 4176 | *frT = (INSERTED64(sign, 0, 0) | |
| 4177 | | INSERTED64(exp + 1023, 1, 11) | |
| 4178 | | INSERTED64(EXTRACTED64(frac_grx, 1, 52), 12, 63)); | |
| 4179 | if (sign == 0) FPSCR_SET_FPRF(fpscr_rf_pos_normal_number); | |
| 4180 | if (sign == 1) FPSCR_SET_FPRF(fpscr_rf_neg_normal_number); | |
| 4181 | goto Done; | |
| 4182 | Zero_Operand: | |
| 4183 | *frT = *frB; | |
| 4184 | if (EXTRACTED64(*frB, 0, 0) == 0) FPSCR_SET_FPRF(fpscr_rf_pos_zero); | |
| 4185 | if (EXTRACTED64(*frB, 0, 0) == 1) FPSCR_SET_FPRF(fpscr_rf_neg_zero); | |
| 4186 | FPSCR_SET_FR(0); | |
| 4187 | FPSCR_SET_FI(0); | |
| 4188 | goto Done; | |
| 4189 | Infinity_Operand: | |
| 4190 | *frT = *frB; | |
| 4191 | if (EXTRACTED64(*frB, 0, 0) == 0) FPSCR_SET_FPRF(fpscr_rf_pos_infinity); | |
| 4192 | if (EXTRACTED64(*frB, 0, 0) == 1) FPSCR_SET_FPRF(fpscr_rf_neg_infinity); | |
| 4193 | FPSCR_SET_FR(0); | |
| 4194 | FPSCR_SET_FI(0); | |
| 4195 | goto Done; | |
| 4196 | QNaN_Operand: | |
| 4197 | *frT = INSERTED64(EXTRACTED64(*frB, 0, 34), 0, 34); | |
| 4198 | FPSCR_SET_FPRF(fpscr_rf_quiet_nan); | |
| 4199 | FPSCR_SET_FR(0); | |
| 4200 | FPSCR_SET_FI(0); | |
| 4201 | goto Done; | |
| 4202 | SNaN_Operand: | |
| 4203 | FPSCR_OR_VX(fpscr_vxsnan); | |
| 4204 | if ((FPSCR & fpscr_ve) == 0) { | |
| 4205 | *frT = (MASKED64(*frB, 0, 11) | |
| 4206 | | BIT64(12) | |
| 4207 | | MASKED64(*frB, 13, 34)); | |
| 4208 | FPSCR_SET_FPRF(fpscr_rf_quiet_nan); | |
| 4209 | } | |
| 4210 | FPSCR_SET_FR(0); | |
| 4211 | FPSCR_SET_FI(0); | |
| 4212 | goto Done; | |
| 4213 | Normal_Operand: | |
| 4214 | sign = EXTRACTED64(*frB, 0, 0); | |
| 4215 | exp = EXTRACTED64(*frB, 1, 11) - 1023; | |
| 4216 | frac_grx = BIT64(0) | INSERTED64(EXTRACTED64(*frB, 12, 63), 1, 52); | |
| 4217 | Round_Single(processor, sign, &exp, &frac_grx); | |
| 4218 | FPSCR_SET_XX(FPSCR & fpscr_fi); | |
| 4219 | if (exp > 127 && (FPSCR & fpscr_oe) == 0) goto Disabled_Exponent_Overflow; | |
| 4220 | if (exp > 127 && (FPSCR & fpscr_oe) != 0) goto Enabled_Overflow; | |
| 4221 | *frT = (INSERTED64(sign, 0, 0) | |
| 4222 | | INSERTED64(exp + 1023, 1, 11) | |
| 4223 | | INSERTED64(EXTRACTED64(frac_grx, 1, 52), 12, 63)); | |
| 4224 | if (sign == 0) FPSCR_SET_FPRF(fpscr_rf_pos_normal_number); | |
| 4225 | if (sign == 1) FPSCR_SET_FPRF(fpscr_rf_neg_normal_number); | |
| 4226 | goto Done; | |
| 4227 | Done: | |
| 45525d8d | 4228 | PPC_INSN_FLOAT(FRT_BITMASK, FRB_BITMASK, Rc); |
| 845ff5a4 | 4229 | |
| c143ef62 | 4230 | 0.63,6.FRT,11./,16.FRB,21.814,31.Rc:X:64,f::Floating Convert To Integer Doubleword |
| 845ff5a4 | 4231 | |
| c143ef62 | 4232 | 0.63,6.FRT,11./,16.FRB,21.815,31.Rc:X:64,f::Floating Convert To Integer Doubleword with round towards Zero |
| 845ff5a4 | 4233 | |
| c143ef62 | 4234 | 0.63,6.FRT,11./,16.FRB,21.14,31.Rc:X:f::Floating Convert To Integer Word |
| 845ff5a4 | 4235 | |
| c143ef62 | 4236 | 0.63,6.FRT,11./,16.FRB,21.15,31.Rc:X:f:fctiwz:Floating Convert To Integer Word with round towards Zero |
| 54e98699 MM |
4237 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
| 4238 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| 4239 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| 4240 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| c143ef62 MM |
4241 | FPSCR_BEGIN; |
| 4242 | convert_to_integer(processor, cia, | |
| 4243 | frT, *frB, | |
| 4244 | fpscr_rn_round_towards_zero, 32); | |
| 4245 | FPSCR_END(Rc); | |
| 45525d8d | 4246 | PPC_INSN_FLOAT(FRT_BITMASK, FRB_BITMASK, Rc); |
| 845ff5a4 | 4247 | |
| c143ef62 MM |
4248 | 0.63,6.FRT,11./,16.FRB,21.846,31.Rc:X:64,f::Floating Convert from Integer Doubleword |
| 4249 | int sign = EXTRACTED64(*frB, 0, 0); | |
| 4250 | int exp = 63; | |
| 4251 | unsigned64 frac = *frB; | |
| 4252 | if (frac == 0) goto Zero_Operand; | |
| 4253 | if (sign == 1) frac = ~frac + 1; | |
| 4254 | while (EXTRACTED64(frac, 0, 0) == 0) { | |
| 4255 | /*??? do the loop 0 times if (FRB) = max negative integer */ | |
| 4256 | frac = INSERTED64(EXTRACTED64(frac, 1, 63), 0, 62); | |
| 4257 | exp = exp - 1; | |
| 4258 | } | |
| 4259 | Round_Float(processor, sign, &exp, &frac, FPSCR & fpscr_rn); | |
| 4260 | if (sign == 0) FPSCR_SET_FPRF(fpscr_rf_pos_normal_number); | |
| 4261 | if (sign == 1) FPSCR_SET_FPRF(fpscr_rf_pos_normal_number); | |
| 4262 | *frT = (INSERTED64(sign, 0, 0) | |
| 4263 | | INSERTED64(exp + 1023, 1, 11) | |
| 4264 | | INSERTED64(EXTRACTED64(frac, 1, 52), 12, 63)); | |
| 4265 | goto Done; | |
| 4266 | /**/ | |
| 4267 | Zero_Operand: | |
| 4268 | FPSCR_SET_FR(0); | |
| 4269 | FPSCR_SET_FI(0); | |
| 4270 | FPSCR_SET_FPRF(fpscr_rf_pos_zero); | |
| 4271 | *frT = 0; | |
| 4272 | goto Done; | |
| 4273 | /**/ | |
| 4274 | Done: | |
| 45525d8d | 4275 | PPC_INSN_FLOAT(FRT_BITMASK, FRB_BITMASK, Rc); |
| c143ef62 MM |
4276 | |
| 4277 | # | |
| 4278 | # I.4.6.7 Floating-Point Compare Instructions | |
| 4279 | # | |
| 4280 | ||
| 4281 | 0.63,6.BF,9./,11.FRA,16.FRB,21.0,31./:X:f:fcmpu:Floating Compare Unordered | |
| 54e98699 MM |
4282 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
| 4283 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| 4284 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| 4285 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| c143ef62 MM |
4286 | FPSCR_BEGIN; |
| 4287 | unsigned c; | |
| 4288 | if (is_NaN(*frA, 0) || is_NaN(*frB, 0)) | |
| 4289 | c = cr_i_summary_overflow; /* 0b0001 - (FRA) ? (FRB) */ | |
| 4290 | else if (is_less_than(frA, frB)) | |
| 4291 | c = cr_i_negative; /* 0b1000 - (FRA) < (FRB) */ | |
| 4292 | else if (is_greater_than(frA, frB)) | |
| 4293 | c = cr_i_positive; /* 0b0100 - (FRA) > (FRB) */ | |
| 4294 | else | |
| 4295 | c = cr_i_zero; /* 0b0010 - (FRA) = (FRB) */ | |
| 4296 | FPSCR_SET_FPCC(c); | |
| 4297 | CR_SET(BF, c); /* CR[4*BF..4*BF+3] = c */ | |
| 4298 | if (is_SNaN(*frA, 0) || is_SNaN(*frB, 0)) | |
| 4299 | FPSCR_OR_VX(fpscr_vxsnan); | |
| 4300 | FPSCR_END(0); | |
| 45525d8d | 4301 | PPC_INSN_FLOAT_CR(0, FRA_BITMASK | FRB_BITMASK, BF_BITMASK); |
| 845ff5a4 | 4302 | |
| c143ef62 | 4303 | 0.63,6.BF,9./,11.FRA,16.FRB,21.32,31./:X:f:fcmpo:Floating Compare Ordered |
| 54e98699 MM |
4304 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
| 4305 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| 4306 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| 4307 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 | |
| c143ef62 MM |
4308 | FPSCR_BEGIN; |
| 4309 | unsigned c; | |
| 4310 | if (is_NaN(*frA, 0) || is_NaN(*frB, 0)) | |
| 4311 | c = cr_i_summary_overflow; /* 0b0001 - (FRA) ? (FRB) */ | |
| 4312 | else if (is_less_than(frA, frB)) | |
| 4313 | c = cr_i_negative; /* 0b1000 - (FRA) < (FRB) */ | |
| 4314 | else if (is_greater_than(frA, frB)) | |
| 4315 | c = cr_i_positive; /* 0b0100 - (FRA) > (FRB) */ | |
| 4316 | else | |
| 4317 | c = cr_i_zero; /* 0b0010 - (FRA) = (FRB) */ | |
| 4318 | FPSCR_SET_FPCC(c); | |
| 4319 | CR_SET(BF, c); /* CR[4*BF..4*BF+3] = c */ | |
| 4320 | if (is_SNaN(*frA, 0) || is_SNaN(*frB, 0)) { | |
| 4321 | FPSCR_OR_VX(fpscr_vxsnan); | |
| 4322 | if ((FPSCR & fpscr_ve) == 0) | |
| 4323 | FPSCR_OR_VX(fpscr_vxvc); | |
| 4324 | } | |
| 4325 | else if (is_QNaN(*frA, 0) || is_QNaN(*frB, 0)) { | |
| 4326 | FPSCR_OR_VX(fpscr_vxvc); | |
| 4327 | } | |
| 4328 | FPSCR_END(0); | |
| 45525d8d | 4329 | PPC_INSN_FLOAT_CR(0, FRA_BITMASK | FRB_BITMASK, BF_BITMASK); |
| c143ef62 MM |
4330 | |
| 4331 | ||
| 4332 | # | |
| 4333 | # I.4.6.8 Floating-Point Status and Control Register Instructions | |
| 4334 | # | |
| 4335 | ||
| 4336 | 0.63,6.FRT,11./,16./,21.583,31.Rc:X:f::Move From FPSCR | |
| 845ff5a4 | 4337 | |
| c143ef62 | 4338 | 0.63,6.BF,9./,11.BFA,14./,16./,21.64,31./:X:f::Move to Condition Register from FPSCR |
| 845ff5a4 | 4339 | |
| c143ef62 | 4340 | 0.64,6.BF,9./,11./,16.U,20./,21.134,31.Rc:X:f::Move To FPSCR Field Immediate |
| 845ff5a4 | 4341 | |
| c143ef62 | 4342 | 0.63,6./,7.FLM,15./,16.FRB,21.711,31.Rc:XFL:f::Move To FPSCR Fields |
| 845ff5a4 | 4343 | |
| c143ef62 | 4344 | 0.63,6.BT,11./,16./,21.70,31.Rc:X:f::Move To FPSCR Bit 0 |
| 845ff5a4 | 4345 | |
| c143ef62 MM |
4346 | 0.63,6.BT,11./,16./,21.38,31.Rc:X:f::Move To FPSCR Bit 1 |
| 4347 | ||
| 4348 | ||
| 4349 | # | |
| 4350 | # I.A.1.1 Floating-Point Store Instruction | |
| 4351 | # | |
| 4352 | 0.31,6.FRS,11.RA,16.RB,21.983,31./:X:f::Store Floating-Point as Integer Word Indexed | |
| 4353 | ||
| 4354 | # | |
| 4355 | # I.A.1.2 Floating-Point Arithmetic Instructions | |
| 4356 | # | |
| 4357 | ||
| 4358 | 0.63,6.FRT,11./,16.FRB,21./,26.22,31.Rc:A:f::Floating Square Root | |
| 845ff5a4 | 4359 | |
| c143ef62 MM |
4360 | 0.59,6.FRT,11./,16.FRB,21./,26.22,31.Rc:A:f::Floating Square Root Single |
| 4361 | ||
| 4362 | 0.59,6.FRT,11./,16.FRB,21./,26.24,31.Rc:A:f::Floating Reciprocal Estimate Single | |
| 845ff5a4 | 4363 | |
| c143ef62 MM |
4364 | 0.63,6.FRT,11./,16.FRB,21./,26.26,31.Rc:A:f::Floating Reciprocal Square Root Estimate |
| 4365 | ||
| 4366 | # | |
| 4367 | # I.A.1.3 Floating-Point Select Instruction | |
| 4368 | # | |
| 4369 | ||
| 4370 | 0.63,6.FRT,11.FRA,16.FRB,21.FRC,26.23,31.Rc:A:f::Floating Select | |
| 4371 | ||
| 4372 | ||
| 4373 | # | |
| 4374 | # II.3.2 Cache Management Instructions | |
| 4375 | # | |
| 4376 | ||
| 4377 | 0.31,6./,11.RA,16.RB,21.982,31./:X::icbi:Instruction Cache Block Invalidate | |
| 54e98699 MM |
4378 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 4379 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
| 4380 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
| 4381 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 1, 0 | |
| 80948f39 MM |
4382 | /* blindly flush all instruction cache entries */ |
| 4383 | #if WITH_IDECODE_CACHE_SIZE | |
| 4384 | cpu_flush_icache(processor); | |
| 4385 | #endif | |
| 45525d8d | 4386 | PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK, 0); |
| c143ef62 MM |
4387 | |
| 4388 | 0.19,6./,11./,16./,21.150,31./:XL::isync:Instruction Synchronize | |
| 54e98699 MM |
4389 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 4390 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
| 4391 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
| 4392 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 1, 0 | |
| c143ef62 | 4393 | cpu_synchronize_context(processor); |
| 45525d8d | 4394 | PPC_INSN_INT(0, 0, 0); |
| c143ef62 MM |
4395 | |
| 4396 | ||
| 4397 | # | |
| 4398 | # II.3.2.2 Data Cache Instructions | |
| 4399 | # | |
| 4400 | ||
| 4401 | 0.31,6./,11.RA,16.RB,21.278,31./:X:::Data Cache Block Touch | |
| 54e98699 MM |
4402 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 4403 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 2, 2, 0 | |
| 4404 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 2, 2, 0 | |
| 4405 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 1, 0 | |
| 845ff5a4 | 4406 | TRACE(trace_tbd,("Data Cache Block Touch\n")); |
| 45525d8d | 4407 | PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK, 0/*Rc*/); |
| 056e975c | 4408 | |
| c143ef62 | 4409 | 0.31,6./,11.RA,16.RB,21.246,31./:X:::Data Cache Block Touch for Store |
| 54e98699 MM |
4410 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 4411 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 2, 2, 0 | |
| 4412 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 2, 2, 0 | |
| 4413 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
| 845ff5a4 | 4414 | TRACE(trace_tbd,("Data Cache Block Touch for Store\n")); |
| 45525d8d | 4415 | PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK, 0/*Rc*/); |
| 056e975c | 4416 | |
| c143ef62 | 4417 | 0.31,6./,11.RA,16.RB,21.1014,31./:X:::Data Cache Block set to Zero |
| 54e98699 MM |
4418 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 4419 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 10, 10, 0 | |
| 4420 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 10, 10, 0 | |
| 4421 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
| 845ff5a4 | 4422 | TRACE(trace_tbd,("Data Cache Block set to Zero\n")); |
| 45525d8d | 4423 | PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK, 0/*Rc*/); |
| 056e975c | 4424 | |
| c143ef62 | 4425 | 0.31,6./,11.RA,16.RB,21.54,31./:X:::Data Cache Block Store |
| 54e98699 MM |
4426 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 4427 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 5, 5, 0 | |
| 4428 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 5, 5, 0 | |
| 4429 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 1, 0 | |
| 845ff5a4 | 4430 | TRACE(trace_tbd,("Data Cache Block Store\n")); |
| 45525d8d | 4431 | PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK, 0/*Rc*/); |
| 056e975c | 4432 | |
| c143ef62 | 4433 | 0.31,6./,11.RA,16.RB,21.86,31./:X:::Data Cache Block Flush |
| 54e98699 MM |
4434 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 4435 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 5, 5, 0 | |
| 4436 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 5, 5, 0 | |
| 4437 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 1, 0 | |
| 845ff5a4 | 4438 | TRACE(trace_tbd,("Data Cache Block Flush\n")); |
| 45525d8d | 4439 | PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK, 0/*Rc*/); |
| c143ef62 MM |
4440 | |
| 4441 | # | |
| 845ff5a4 | 4442 | # II.3.3 Enforce In-order Execution of I/O Instruction |
| c143ef62 MM |
4443 | # |
| 4444 | ||
| 4445 | 0.31,6./,11./,16./,21.854,31./:X::eieio:Enforce In-order Execution of I/O | |
| 4446 | /* Since this model has no instruction overlap | |
| 4447 | this instruction need do nothing */ | |
| 4448 | ||
| 4449 | # | |
| 4450 | # II.4.1 Time Base Instructions | |
| 4451 | # | |
| 4452 | ||
| 4453 | 0.31,6.RT,11.tbr,21.371,31./:XFX::mftb:Move From Time Base | |
| 54e98699 MM |
4454 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 |
| 4455 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
| 4456 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 3, 3, 0 | |
| c143ef62 MM |
4457 | int n = (tbr{5:9} << 5) | tbr{0:4}; |
| 4458 | if (n == 268) { | |
| 4459 | if (is_64bit_implementation) *rT = TB; | |
| 4460 | else *rT = EXTRACTED64(TB, 32, 63); | |
| 4461 | } | |
| 4462 | else if (n == 269) { | |
| 4463 | if (is_64bit_implementation) *rT = EXTRACTED64(TB, 0, 31); | |
| 4464 | else *rT = EXTRACTED64(TB, 0, 31); | |
| 4465 | } | |
| 4466 | else | |
| 4467 | program_interrupt(processor, cia, | |
| 4468 | illegal_instruction_program_interrupt); | |
| 4469 | ||
| 4470 | ||
| 4471 | # | |
| 4472 | # III.2.3.1 System Linkage Instructions | |
| 4473 | # | |
| 4474 | ||
| 80948f39 | 4475 | 0.19,6./,11./,16./,21.50,31./:XL::rfi:Return From Interrupt |
| 54e98699 MM |
4476 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 4477 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 3, 3, 0 | |
| 4478 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 3, 3, 0 | |
| 4479 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 3, 3, 0 | |
| 80948f39 MM |
4480 | if (IS_PROBLEM_STATE(processor)) { |
| 4481 | program_interrupt(processor, cia, | |
| 4482 | privileged_instruction_program_interrupt); | |
| 4483 | } | |
| 4484 | else { | |
| 4485 | MSR = (MASKED(SRR1, 0, 32) | |
| 4486 | | MASKED(SRR1, 37, 41) | |
| 4487 | | MASKED(SRR1, 48, 63)); | |
| 4488 | NIA = MASKED(SRR0, 0, 61); | |
| 4489 | cpu_synchronize_context(processor); | |
| 4490 | } | |
| c143ef62 MM |
4491 | |
| 4492 | # | |
| 4493 | # III.3.4.1 Move to/from System Register Instructions | |
| 4494 | # | |
| 4495 | ||
| f2181eff MM |
4496 | #0.31,6.RS,11.SPR,21.467,31./:XFX:::Move To Special Purpose Register |
| 4497 | #0.31,6.RT,11.SPR,21.339,31./:XFX:::Move From Special Purpose Register | |
| c143ef62 | 4498 | 0.31,6.RS,11./,16./,21.146,31./:X:::Move To Machine State Register |
| 54e98699 MM |
4499 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 4500 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 2, 2, 0 | |
| 4501 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 2, 2, 0 | |
| 4502 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 1, 1, 0 | |
| c143ef62 MM |
4503 | if (IS_PROBLEM_STATE(processor)) |
| 4504 | program_interrupt(processor, cia, | |
| 4505 | privileged_instruction_program_interrupt); | |
| 4506 | else | |
| 4507 | MSR = *rS; | |
| 845ff5a4 | 4508 | |
| c143ef62 | 4509 | 0.31,6.RT,11./,16./,21.83,31./:X:::Move From Machine State Register |
| 54e98699 MM |
4510 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 4511 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
| 4512 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 | |
| 4513 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 3, 3, 0 | |
| c143ef62 MM |
4514 | if (IS_PROBLEM_STATE(processor)) |
| 4515 | program_interrupt(processor, cia, | |
| 4516 | privileged_instruction_program_interrupt); | |
| 4517 | else | |
| 4518 | *rT = MSR; | |
| 4519 | ||
| 4520 | ||
| 4521 | # | |
| 4522 | # III.4.11.1 Cache Management Instructions | |
| 4523 | # | |
| 4524 | ||
| 4525 | 0.31,6./,11.RA,16.RB,21.470,31./:X::dcbi:Data Cache Block Invalidate | |
| 54e98699 MM |
4526 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 4527 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 2, 2, 0 | |
| 4528 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 2, 2, 0 | |
| 4529 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 | |
| 845ff5a4 MM |
4530 | if (IS_PROBLEM_STATE(processor)) |
| 4531 | program_interrupt(processor, cia, | |
| 4532 | privileged_instruction_program_interrupt); | |
| 4533 | else | |
| 4534 | TRACE(trace_tbd,("Data Cache Block Invalidate\n")); | |
| c143ef62 MM |
4535 | |
| 4536 | # | |
| 4537 | # III.4.11.2 Segment Register Manipulation Instructions | |
| 4538 | # | |
| 4539 | ||
| 4540 | 0.31,6.RS,11./,12.SR,16./,21.210,31./:X:32:mtsr %SR,%RS:Move To Segment Register | |
| 54e98699 MM |
4541 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 4542 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 2, 2, 0 | |
| 4543 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 2, 2, 0 | |
| 4544 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 1, 1, 0 | |
| c143ef62 MM |
4545 | if (IS_PROBLEM_STATE(processor)) |
| 4546 | program_interrupt(processor, cia, | |
| 4547 | privileged_instruction_program_interrupt); | |
| 4548 | else | |
| 4549 | SEGREG(SR) = *rS; | |
| 845ff5a4 | 4550 | |
| c143ef62 | 4551 | 0.31,6.RS,11./,16.RB,21.242,31./:X:32:mtsrin %RS,%RB:Move To Segment Register Indirect |
| 54e98699 MM |
4552 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 4553 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 2, 2, 0 | |
| 4554 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 2, 2, 0 | |
| 4555 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 1, 1, 0 | |
| c143ef62 MM |
4556 | if (IS_PROBLEM_STATE(processor)) |
| 4557 | program_interrupt(processor, cia, | |
| 4558 | privileged_instruction_program_interrupt); | |
| 4559 | else | |
| 4560 | SEGREG(EXTRACTED32(*rB, 0, 3)) = *rS; | |
| 845ff5a4 | 4561 | |
| c143ef62 | 4562 | 0.31,6.RT,11./,12.SR,16./,21.595,31./:X:32:mfsr %RT,%RS:Move From Segment Register |
| 54e98699 MM |
4563 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 2, 2, 0 |
| 4564 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 3, 3, 0 | |
| 4565 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 3, 3, 0 | |
| 4566 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 1, 1, 0 | |
| c143ef62 MM |
4567 | if (IS_PROBLEM_STATE(processor)) |
| 4568 | program_interrupt(processor, cia, | |
| 4569 | privileged_instruction_program_interrupt); | |
| 4570 | else | |
| 4571 | *rT = SEGREG(SR); | |
| 845ff5a4 | 4572 | |
| c143ef62 | 4573 | 0.31,6.RT,11./,16.RB,21.659,31./:X:32:mfsrin %RT,%RB:Move From Segment Register Indirect |
| 54e98699 MM |
4574 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 2, 2, 0 |
| 4575 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 3, 3, 0 | |
| 4576 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 3, 3, 0 | |
| 4577 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 1, 1, 0 | |
| c143ef62 MM |
4578 | if (IS_PROBLEM_STATE(processor)) |
| 4579 | program_interrupt(processor, cia, | |
| 4580 | privileged_instruction_program_interrupt); | |
| 4581 | else | |
| 4582 | *rT = SEGREG(EXTRACTED32(*rB, 0, 3)); | |
| 4583 | ||
| 4584 | ||
| 4585 | # | |
| 4586 | # III.4.11.3 Lookaside Buffer Management Instructions (Optional) | |
| 4587 | # | |
| 4588 | ||
| 4589 | 0.31,6./,11./,16.RB,21.434,31./:X:64::SLB Invalidate Entry | |
| 845ff5a4 | 4590 | |
| c143ef62 MM |
4591 | 0.31,6./,11./,16./,21.498,31./:X:64::SLB Invalidate All |
| 4592 | ||
| 4593 | 0.31,6./,11./,16.RB,21.306,31./:X:::TLB Invalidate Entry | |
| 845ff5a4 | 4594 | |
| c143ef62 MM |
4595 | 0.31,6./,11./,16./,21.370,31./:X:::TLB Invalidate All |
| 4596 | ||
| 4597 | 0.31,6./,11./,16./,21.566,31./:X:::TLB Sychronize | |
| 4598 | ||
| 4599 | ||
| 4600 | # | |
| 4601 | # III.A.1.2 External Access Instructions | |
| 4602 | # | |
| 4603 | ||
| 4604 | 0.31,6.RT,11.RA,16.RB,21.310,31./:X:earwax::External Control In Word Indexed | |
| 845ff5a4 | 4605 | |
| c143ef62 | 4606 | 0.31,6.RS,11.RA,16.RB,21.438,31./:X:earwax::External Control Out Word Indexed |