| 1 | // -*- C -*- |
| 2 | |
| 3 | // Simulator definition for the MIPS MIPS-3D ASE. |
| 4 | // Copyright (C) 2002 Free Software Foundation, Inc. |
| 5 | // Contributed by Ed Satterthwaite and Chris Demetriou, of Broadcom |
| 6 | // Corporation (SiByte). |
| 7 | // |
| 8 | // This file is part of GDB, the GNU debugger. |
| 9 | // |
| 10 | // This program is free software; you can redistribute it and/or modify |
| 11 | // it under the terms of the GNU General Public License as published by |
| 12 | // the Free Software Foundation; either version 2, or (at your option) |
| 13 | // any later version. |
| 14 | // |
| 15 | // This program is distributed in the hope that it will be useful, |
| 16 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | // GNU General Public License for more details. |
| 19 | // |
| 20 | // You should have received a copy of the GNU General Public License along |
| 21 | // with this program; if not, write to the Free Software Foundation, Inc., |
| 22 | // 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 23 | |
| 24 | // Reference: MIPS64 Architecture for Programmers Volume IV-c: |
| 25 | // The MIPS-3D Application-Specific Extension to the |
| 26 | // MIPS64 Architecture. (MIPS Document MD00099) |
| 27 | |
| 28 | |
| 29 | 010001,10,110,5.FT,5.FS,5.FD,011000:COP1:64,f::ADDR.PS |
| 30 | "addr.ps f<FD>, f<FS>, f<FT>" |
| 31 | *mips3d: |
| 32 | { |
| 33 | /* fd.PL = ft.PU + ft.PL; fd.PU = fs.PU + fs.PL; */ |
| 34 | check_fpu (SD_); |
| 35 | check_u64 (SD_, instruction_0); |
| 36 | StoreFPR (FD, fmt_ps, AddR (ValueFPR (FS, fmt_ps), |
| 37 | ValueFPR (FT, fmt_ps), fmt_ps)); |
| 38 | } |
| 39 | |
| 40 | |
| 41 | 010001,01001,3.CC,0,1.TF,16.OFFSET:COP1:64,f::BC1ANY2tf |
| 42 | "bc1any2%s<TF> <CC>, %#lx<OFFSET>" |
| 43 | *mips3d: |
| 44 | { |
| 45 | address_word offset; |
| 46 | int cc = CC; |
| 47 | check_fpu (SD_); |
| 48 | check_u64 (SD_, instruction_0); |
| 49 | if ((cc & 0x1) != 0) |
| 50 | Unpredictable (); |
| 51 | if ((GETFCC (cc) == TF) || (GETFCC (cc + 1) == TF)) |
| 52 | { |
| 53 | offset = (EXTEND16 (OFFSET) << 2); |
| 54 | DELAY_SLOT (NIA + offset); |
| 55 | } |
| 56 | } |
| 57 | |
| 58 | |
| 59 | 010001,01010,3.CC,0,1.TF,16.OFFSET:COP1:64,f::BC1ANY4tf |
| 60 | "bc1any4%s<TF> <CC>, %#lx<OFFSET>" |
| 61 | *mips3d: |
| 62 | { |
| 63 | address_word offset; |
| 64 | int cc = CC; |
| 65 | check_fpu (SD_); |
| 66 | check_u64 (SD_, instruction_0); |
| 67 | if ((cc & 0x3) != 0) |
| 68 | Unpredictable (); |
| 69 | if ((GETFCC (cc) == TF) |
| 70 | || (GETFCC (cc + 1) == TF) |
| 71 | || (GETFCC (cc + 2) == TF) |
| 72 | || (GETFCC (cc + 3) == TF)) |
| 73 | { |
| 74 | offset = (EXTEND16 (OFFSET) << 2); |
| 75 | DELAY_SLOT (NIA + offset); |
| 76 | } |
| 77 | } |
| 78 | |
| 79 | |
| 80 | 010001,10,3.FMT,5.FT,5.FS,3.CC,01,11,4.COND:COP1:64,f::CABS.cond.fmt |
| 81 | "cabs.%s<COND>.%s<FMT> <CC>, f<FS>, f<FT>" |
| 82 | *mips3d: |
| 83 | { |
| 84 | int fmt = FMT; |
| 85 | check_fpu (SD_); |
| 86 | check_u64 (SD_, instruction_0); |
| 87 | check_fmt_p (SD_, fmt, instruction_0); |
| 88 | CompareAbs (ValueFPR (FS, fmt), ValueFPR (FT, fmt), fmt, COND, CC); |
| 89 | TRACE_ALU_RESULT (ValueFCR (31)); |
| 90 | } |
| 91 | |
| 92 | |
| 93 | 010001,10,110,00000,5.FS,5.FD,100100:COP1:64,f::CVT.PW.PS |
| 94 | "cvt.pw.ps f<FD>, f<FS>" |
| 95 | *mips3d: |
| 96 | { |
| 97 | /* fd.pu = cvt_rnd (fs.pu); fd.pl = cvt_rnd (fs.pl); */ |
| 98 | /* fmt_pw is fmt_long for 64 bit transfers, but cvt encoding is fmt_word. */ |
| 99 | check_fpu (SD_); |
| 100 | check_u64 (SD_, instruction_0); |
| 101 | StoreFPR (FD, fmt_pw, ConvertPS (GETRM (), ValueFPR (FS, fmt_ps), |
| 102 | fmt_ps, fmt_word)); |
| 103 | } |
| 104 | |
| 105 | |
| 106 | 010001,10,100,00000,5.FS,5.FD,100110:COP1:64,f::CVT.PS.PW |
| 107 | "cvt.ps.pw f<FD>, f<FS>" |
| 108 | *mips3d: |
| 109 | { |
| 110 | /* fd.pl = cvt_rnd (fs.pl); fd.pu = cvt_rnd (fs.pu); */ |
| 111 | /* fmt_pw is fmt_long for 64 bit transfers, but cvt encoding is fmt_word. */ |
| 112 | check_fpu (SD_); |
| 113 | check_u64 (SD_, instruction_0); |
| 114 | StoreFPR (FD, fmt_ps, ConvertPS (GETRM (), ValueFPR (FS, fmt_pw), |
| 115 | fmt_word, fmt_ps)); |
| 116 | } |
| 117 | |
| 118 | |
| 119 | 010001,10,110,5.FT,5.FS,5.FD,011010:COP1:64,f::MULR.PS |
| 120 | "mulr.ps f<FD>, f<FS>, f<FT>" |
| 121 | *mips3d: |
| 122 | { |
| 123 | /* fd.PL = ft.PU * ft.PL; fd.PU = fs.PU * fs.PL; */ |
| 124 | check_fpu (SD_); |
| 125 | check_u64 (SD_, instruction_0); |
| 126 | StoreFPR (FD, fmt_ps, MultiplyR (ValueFPR (FS, fmt_ps), |
| 127 | ValueFPR (FT, fmt_ps), fmt_ps)); |
| 128 | } |
| 129 | |
| 130 | |
| 131 | 010001,10,3.FMT,00000,5.FS,5.FD,011101:COP1:64,f::RECIP1.fmt |
| 132 | "recip1.%s<FMT> f<FD>, f<FS>" |
| 133 | *mips3d: |
| 134 | { |
| 135 | int fmt = FMT; |
| 136 | check_fpu (SD_); |
| 137 | check_u64 (SD_, instruction_0); |
| 138 | check_fmt_p (SD_, fmt, instruction_0); |
| 139 | StoreFPR (FD, fmt, Recip1 (ValueFPR (FS, fmt), fmt)); |
| 140 | } |
| 141 | |
| 142 | |
| 143 | 010001,10,3.FMT,5.FT,5.FS,5.FD,011100:COP1:64,f::RECIP2.fmt |
| 144 | "recip2.%s<FMT> f<FD>, f<FS>, f<FT>" |
| 145 | *mips3d: |
| 146 | { |
| 147 | int fmt = FMT; |
| 148 | check_fpu (SD_); |
| 149 | check_u64 (SD_, instruction_0); |
| 150 | check_fmt_p (SD_, fmt, instruction_0); |
| 151 | StoreFPR (FD, fmt, Recip2 (ValueFPR (FS, fmt), ValueFPR (FT, fmt), fmt)); |
| 152 | } |
| 153 | |
| 154 | |
| 155 | 010001,10,3.FMT,00000,5.FS,5.FD,011110:COP1:64,f::RSQRT1.fmt |
| 156 | "rsqrt1.%s<FMT> f<FD>, f<FS>" |
| 157 | *mips3d: |
| 158 | { |
| 159 | int fmt = FMT; |
| 160 | check_fpu (SD_); |
| 161 | check_u64 (SD_, instruction_0); |
| 162 | check_fmt_p (SD_, fmt, instruction_0); |
| 163 | StoreFPR (FD, fmt, RSquareRoot1 (ValueFPR (FS, fmt), fmt)); |
| 164 | } |
| 165 | |
| 166 | |
| 167 | 010001,10,3.FMT,5.FT,5.FS,5.FD,011111:COP1:64,f::RSQRT2.fmt |
| 168 | "rsqrt2.%s<FMT> f<FD>, f<FS>, f<FT>" |
| 169 | *mips3d: |
| 170 | { |
| 171 | int fmt = FMT; |
| 172 | check_fpu (SD_); |
| 173 | check_u64 (SD_, instruction_0); |
| 174 | check_fmt_p (SD_, fmt, instruction_0); |
| 175 | StoreFPR (FD, fmt, RSquareRoot2 (ValueFPR (FS, fmt), |
| 176 | ValueFPR (FT, fmt), fmt)); |
| 177 | } |