X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=opcodes%2Fiq2000-ibld.c;h=36bebe236a1426ce6e5369f0327f178d47631b9c;hb=6db7e006e4767a0edcf6f4f7ebf80ea0e35a68c2;hp=f0640f0774f09b6147c72e41cb7b1f13a3829eb0;hpb=ffead7aeceabe3c7a0cdacee89cd45aa893e9eec;p=deliverable%2Fbinutils-gdb.git diff --git a/opcodes/iq2000-ibld.c b/opcodes/iq2000-ibld.c index f0640f0774..36bebe236a 100644 --- a/opcodes/iq2000-ibld.c +++ b/opcodes/iq2000-ibld.c @@ -1,25 +1,26 @@ /* Instruction building/extraction support for iq2000. -*- C -*- -THIS FILE IS MACHINE GENERATED WITH CGEN: Cpu tools GENerator. -- the resultant file is machine generated, cgen-ibld.in isn't + THIS FILE IS MACHINE GENERATED WITH CGEN: Cpu tools GENerator. + - the resultant file is machine generated, cgen-ibld.in isn't -Copyright 1996, 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc. + Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2005, 2006, 2007, + 2008 Free Software Foundation, Inc. -This file is part of the GNU Binutils and GDB, the GNU debugger. + This file is part of libopcodes. -This program is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. + This library is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3, or (at your option) + any later version. -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. + It is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. -You should have received a copy of the GNU General Public License -along with this program; if not, write to the Free Software Foundation, Inc., -59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software Foundation, Inc., + 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ /* ??? Eventually more and more of this stuff can go to cpu-independent files. Keep that in mind. */ @@ -35,9 +36,9 @@ along with this program; if not, write to the Free Software Foundation, Inc., #include "opintl.h" #include "safe-ctype.h" -#undef min +#undef min #define min(a,b) ((a) < (b) ? (a) : (b)) -#undef max +#undef max #define max(a,b) ((a) > (b) ? (a) : (b)) /* Used by the ifield rtx function. */ @@ -136,12 +137,6 @@ insert_normal (CGEN_CPU_DESC cd, if (length == 0) return NULL; -#if 0 - if (CGEN_INT_INSN_P - && word_offset != 0) - abort (); -#endif - if (word_length > 32) abort (); @@ -173,13 +168,21 @@ insert_normal (CGEN_CPU_DESC cd, else if (! CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED)) { unsigned long maxval = mask; - - if ((unsigned long) value > maxval) + unsigned long val = (unsigned long) value; + + /* For hosts with a word size > 32 check to see if value has been sign + extended beyond 32 bits. If so then ignore these higher sign bits + as the user is attempting to store a 32-bit signed value into an + unsigned 32-bit field which is allowed. */ + if (sizeof (unsigned long) > 4 && ((value >> 32) == -1)) + val &= 0xFFFFFFFF; + + if (val > maxval) { /* xgettext:c-format */ sprintf (errbuf, - _("operand out of range (%lu not between 0 and %lu)"), - value, maxval); + _("operand out of range (0x%lx not between 0 and 0x%lx)"), + val, maxval); return errbuf; } } @@ -286,7 +289,7 @@ insert_insn_normal (CGEN_CPU_DESC cd, #if CGEN_INT_INSN_P /* Cover function to store an insn value into an integral insn. Must go here - because it needs -desc.h for CGEN_INT_INSN_P. */ + because it needs -desc.h for CGEN_INT_INSN_P. */ static void put_insn_int_value (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, @@ -304,6 +307,7 @@ put_insn_int_value (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, int shift = insn_length - length; /* Written this way to avoid undefined behaviour. */ CGEN_INSN_INT mask = (((1L << (length - 1)) - 1) << 1) | 1; + *buf = (*buf & ~(mask << shift)) | ((value & mask) << shift); } } @@ -374,9 +378,7 @@ extract_1 (CGEN_CPU_DESC cd, { unsigned long x; int shift; -#if 0 - int big_p = CGEN_CPU_INSN_ENDIAN (cd) == CGEN_ENDIAN_BIG; -#endif + x = cgen_get_insn_value (cd, bufp, word_length); if (CGEN_INSN_LSB0_P) @@ -439,12 +441,6 @@ extract_normal (CGEN_CPU_DESC cd, return 1; } -#if 0 - if (CGEN_INT_INSN_P - && word_offset != 0) - abort (); -#endif - if (word_length > 32) abort (); @@ -452,9 +448,8 @@ extract_normal (CGEN_CPU_DESC cd, word_length may be too big. */ if (cd->min_insn_bitsize < cd->base_insn_bitsize) { - if (word_offset == 0 - && word_length > total_length) - word_length = total_length; + if (word_offset + word_length > total_length) + word_length = total_length - word_offset; } /* Does the value reside in INSN_VALUE, and at the right alignment? */ @@ -539,10 +534,10 @@ extract_insn_normal (CGEN_CPU_DESC cd, return CGEN_INSN_BITSIZE (insn); } -/* machine generated code added here */ +/* Machine generated code added here. */ const char * iq2000_cgen_insert_operand - PARAMS ((CGEN_CPU_DESC, int, CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma)); + (CGEN_CPU_DESC, int, CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma); /* Main entry point for operand insertion. @@ -559,18 +554,20 @@ const char * iq2000_cgen_insert_operand resolved during parsing. */ const char * -iq2000_cgen_insert_operand (cd, opindex, fields, buffer, pc) - CGEN_CPU_DESC cd; - int opindex; - CGEN_FIELDS * fields; - CGEN_INSN_BYTES_PTR buffer; - bfd_vma pc ATTRIBUTE_UNUSED; +iq2000_cgen_insert_operand (CGEN_CPU_DESC cd, + int opindex, + CGEN_FIELDS * fields, + CGEN_INSN_BYTES_PTR buffer, + bfd_vma pc ATTRIBUTE_UNUSED) { const char * errmsg = NULL; unsigned int total_length = CGEN_FIELDS_BITSIZE (fields); switch (opindex) { + case IQ2000_OPERAND__INDEX : + errmsg = insert_normal (cd, fields->f_index, 0, 0, 8, 9, 32, total_length, buffer); + break; case IQ2000_OPERAND_BASE : errmsg = insert_normal (cd, fields->f_rs, 0, 0, 25, 5, 32, total_length, buffer); break; @@ -607,9 +604,6 @@ iq2000_cgen_insert_operand (cd, opindex, fields, buffer, pc) case IQ2000_OPERAND_EXECODE : errmsg = insert_normal (cd, fields->f_excode, 0, 0, 25, 20, 32, total_length, buffer); break; - case IQ2000_OPERAND_F_INDEX : - errmsg = insert_normal (cd, fields->f_index, 0, 0, 8, 9, 32, total_length, buffer); - break; case IQ2000_OPERAND_HI16 : errmsg = insert_normal (cd, fields->f_imm, 0, 0, 15, 16, 32, total_length, buffer); break; @@ -721,8 +715,7 @@ iq2000_cgen_insert_operand (cd, opindex, fields, buffer, pc) } int iq2000_cgen_extract_operand - PARAMS ((CGEN_CPU_DESC, int, CGEN_EXTRACT_INFO *, CGEN_INSN_INT, - CGEN_FIELDS *, bfd_vma)); + (CGEN_CPU_DESC, int, CGEN_EXTRACT_INFO *, CGEN_INSN_INT, CGEN_FIELDS *, bfd_vma); /* Main entry point for operand extraction. The result is <= 0 for error, >0 for success. @@ -740,13 +733,12 @@ int iq2000_cgen_extract_operand the handlers. */ int -iq2000_cgen_extract_operand (cd, opindex, ex_info, insn_value, fields, pc) - CGEN_CPU_DESC cd; - int opindex; - CGEN_EXTRACT_INFO *ex_info; - CGEN_INSN_INT insn_value; - CGEN_FIELDS * fields; - bfd_vma pc; +iq2000_cgen_extract_operand (CGEN_CPU_DESC cd, + int opindex, + CGEN_EXTRACT_INFO *ex_info, + CGEN_INSN_INT insn_value, + CGEN_FIELDS * fields, + bfd_vma pc) { /* Assume success (for those operands that are nops). */ int length = 1; @@ -754,6 +746,9 @@ iq2000_cgen_extract_operand (cd, opindex, ex_info, insn_value, fields, pc) switch (opindex) { + case IQ2000_OPERAND__INDEX : + length = extract_normal (cd, ex_info, insn_value, 0, 0, 8, 9, 32, total_length, pc, & fields->f_index); + break; case IQ2000_OPERAND_BASE : length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_rs); break; @@ -790,9 +785,6 @@ iq2000_cgen_extract_operand (cd, opindex, ex_info, insn_value, fields, pc) case IQ2000_OPERAND_EXECODE : length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 20, 32, total_length, pc, & fields->f_excode); break; - case IQ2000_OPERAND_F_INDEX : - length = extract_normal (cd, ex_info, insn_value, 0, 0, 8, 9, 32, total_length, pc, & fields->f_index); - break; case IQ2000_OPERAND_HI16 : length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_imm); break; @@ -907,10 +899,8 @@ cgen_extract_fn * const iq2000_cgen_extract_handlers[] = extract_insn_normal, }; -int iq2000_cgen_get_int_operand - PARAMS ((CGEN_CPU_DESC, int, const CGEN_FIELDS *)); -bfd_vma iq2000_cgen_get_vma_operand - PARAMS ((CGEN_CPU_DESC, int, const CGEN_FIELDS *)); +int iq2000_cgen_get_int_operand (CGEN_CPU_DESC, int, const CGEN_FIELDS *); +bfd_vma iq2000_cgen_get_vma_operand (CGEN_CPU_DESC, int, const CGEN_FIELDS *); /* Getting values from cgen_fields is handled by a collection of functions. They are distinguished by the type of the VALUE argument they return. @@ -918,15 +908,17 @@ bfd_vma iq2000_cgen_get_vma_operand not appropriate. */ int -iq2000_cgen_get_int_operand (cd, opindex, fields) - CGEN_CPU_DESC cd ATTRIBUTE_UNUSED; - int opindex; - const CGEN_FIELDS * fields; +iq2000_cgen_get_int_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + int opindex, + const CGEN_FIELDS * fields) { int value; switch (opindex) { + case IQ2000_OPERAND__INDEX : + value = fields->f_index; + break; case IQ2000_OPERAND_BASE : value = fields->f_rs; break; @@ -963,9 +955,6 @@ iq2000_cgen_get_int_operand (cd, opindex, fields) case IQ2000_OPERAND_EXECODE : value = fields->f_excode; break; - case IQ2000_OPERAND_F_INDEX : - value = fields->f_index; - break; case IQ2000_OPERAND_HI16 : value = fields->f_imm; break; @@ -1032,15 +1021,17 @@ iq2000_cgen_get_int_operand (cd, opindex, fields) } bfd_vma -iq2000_cgen_get_vma_operand (cd, opindex, fields) - CGEN_CPU_DESC cd ATTRIBUTE_UNUSED; - int opindex; - const CGEN_FIELDS * fields; +iq2000_cgen_get_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + int opindex, + const CGEN_FIELDS * fields) { bfd_vma value; switch (opindex) { + case IQ2000_OPERAND__INDEX : + value = fields->f_index; + break; case IQ2000_OPERAND_BASE : value = fields->f_rs; break; @@ -1077,9 +1068,6 @@ iq2000_cgen_get_vma_operand (cd, opindex, fields) case IQ2000_OPERAND_EXECODE : value = fields->f_excode; break; - case IQ2000_OPERAND_F_INDEX : - value = fields->f_index; - break; case IQ2000_OPERAND_HI16 : value = fields->f_imm; break; @@ -1145,10 +1133,8 @@ iq2000_cgen_get_vma_operand (cd, opindex, fields) return value; } -void iq2000_cgen_set_int_operand - PARAMS ((CGEN_CPU_DESC, int, CGEN_FIELDS *, int)); -void iq2000_cgen_set_vma_operand - PARAMS ((CGEN_CPU_DESC, int, CGEN_FIELDS *, bfd_vma)); +void iq2000_cgen_set_int_operand (CGEN_CPU_DESC, int, CGEN_FIELDS *, int); +void iq2000_cgen_set_vma_operand (CGEN_CPU_DESC, int, CGEN_FIELDS *, bfd_vma); /* Stuffing values in cgen_fields is handled by a collection of functions. They are distinguished by the type of the VALUE argument they accept. @@ -1156,14 +1142,16 @@ void iq2000_cgen_set_vma_operand not appropriate. */ void -iq2000_cgen_set_int_operand (cd, opindex, fields, value) - CGEN_CPU_DESC cd ATTRIBUTE_UNUSED; - int opindex; - CGEN_FIELDS * fields; - int value; +iq2000_cgen_set_int_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + int opindex, + CGEN_FIELDS * fields, + int value) { switch (opindex) { + case IQ2000_OPERAND__INDEX : + fields->f_index = value; + break; case IQ2000_OPERAND_BASE : fields->f_rs = value; break; @@ -1200,9 +1188,6 @@ iq2000_cgen_set_int_operand (cd, opindex, fields, value) case IQ2000_OPERAND_EXECODE : fields->f_excode = value; break; - case IQ2000_OPERAND_F_INDEX : - fields->f_index = value; - break; case IQ2000_OPERAND_HI16 : fields->f_imm = value; break; @@ -1267,14 +1252,16 @@ iq2000_cgen_set_int_operand (cd, opindex, fields, value) } void -iq2000_cgen_set_vma_operand (cd, opindex, fields, value) - CGEN_CPU_DESC cd ATTRIBUTE_UNUSED; - int opindex; - CGEN_FIELDS * fields; - bfd_vma value; +iq2000_cgen_set_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + int opindex, + CGEN_FIELDS * fields, + bfd_vma value) { switch (opindex) { + case IQ2000_OPERAND__INDEX : + fields->f_index = value; + break; case IQ2000_OPERAND_BASE : fields->f_rs = value; break; @@ -1311,9 +1298,6 @@ iq2000_cgen_set_vma_operand (cd, opindex, fields, value) case IQ2000_OPERAND_EXECODE : fields->f_excode = value; break; - case IQ2000_OPERAND_F_INDEX : - fields->f_index = value; - break; case IQ2000_OPERAND_HI16 : fields->f_imm = value; break; @@ -1380,8 +1364,7 @@ iq2000_cgen_set_vma_operand (cd, opindex, fields, value) /* Function to call before using the instruction builder tables. */ void -iq2000_cgen_init_ibld_table (cd) - CGEN_CPU_DESC cd; +iq2000_cgen_init_ibld_table (CGEN_CPU_DESC cd) { cd->insert_handlers = & iq2000_cgen_insert_handlers[0]; cd->extract_handlers = & iq2000_cgen_extract_handlers[0];