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| author | H.J. Lu <hjl.tools@gmail.com> | 2007-10-12 22:26:55 +0000 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2007-10-12 22:26:55 +0000 |
| commit | 9fcfb3d73eefbae03f2df3a0aac8367256eb7853 (patch) | |
| tree | 1b8b9e33fe1fbcf397894dc5775ee0fa5c85f63d /gas | |
| parent | 899cff7a33c091c54efd65010dc895342754896e (diff) | |
| download | gdb-9fcfb3d73eefbae03f2df3a0aac8367256eb7853.zip gdb-9fcfb3d73eefbae03f2df3a0aac8367256eb7853.tar.gz gdb-9fcfb3d73eefbae03f2df3a0aac8367256eb7853.tar.bz2 | |
2007-10-12 H.J. Lu <hongjiu.lu@intel.com>
* config/tc-i386.c (process_operands): Simplify implicit xmm0
handling.
Diffstat (limited to 'gas')
| -rw-r--r-- | gas/ChangeLog | 5 | ||||
| -rw-r--r-- | gas/config/tc-i386.c | 22 |
2 files changed, 18 insertions, 9 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog index 6bffb5c..82a5d36 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,5 +1,10 @@ 2007-10-12 H.J. Lu <hongjiu.lu@intel.com> + * config/tc-i386.c (process_operands): Simplify implicit xmm0 + handling. + +2007-10-12 H.J. Lu <hongjiu.lu@intel.com> + * config/tc-i386.c (process_operands): Check the firstxmm0 field in opcode_modifier for instruction with a implicit xmm0 as the first operand. diff --git a/gas/config/tc-i386.c b/gas/config/tc-i386.c index 8962980..0c430ea 100644 --- a/gas/config/tc-i386.c +++ b/gas/config/tc-i386.c @@ -4232,6 +4232,8 @@ process_operands (void) if (i.tm.opcode_modifier.firstxmm0) { + unsigned int j; + /* The first operand is implicit and must be xmm0. */ assert (i.reg_operands && UINTS_EQUAL (i.types[0], regxmm)); if (i.op[0].regs->reg_num != 0) @@ -4244,17 +4246,19 @@ process_operands (void) i.tm.name, register_prefix); return 0; } - i.op[0] = i.op[1]; - i.op[1] = i.op[2]; - i.types[0] = i.types[1]; - i.types[1] = i.types[2]; + + for (j = 1; j < i.operands; j++) + { + i.op[j - 1] = i.op[j]; + i.types[j - 1] = i.types[j]; + + /* We need to adjust fields in i.tm since they are used by + build_modrm_byte. */ + i.tm.operand_types [j - 1] = i.tm.operand_types [j]; + } + i.operands--; i.reg_operands--; - - /* We need to adjust fields in i.tm since they are used by - build_modrm_byte. */ - i.tm.operand_types [0] = i.tm.operand_types [1]; - i.tm.operand_types [1] = i.tm.operand_types [2]; i.tm.operands--; } else if (i.tm.opcode_modifier.regkludge) |