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| author | Gabe Black <gblack@eecs.umich.edu> | 2007-08-07 15:25:41 -0700 |
|---|---|---|
| committer | Gabe Black <gblack@eecs.umich.edu> | 2007-08-07 15:25:41 -0700 |
| commit | 24541780c6bb4cf7f58ef7efc184da18026b587f (patch) | |
| tree | 5a56d0db7c0534b08b90dae0c15b80b09eb327e7 /src/arch/x86/insts | |
| parent | d79a591608106b1de4bf2cbc9b9eb31ed5bf14e9 (diff) | |
| download | gem5-24541780c6bb4cf7f58ef7efc184da18026b587f.tar.xz | |
X86: Implemented and hooked in SCAS (scan string)
Fixed the asz assembler symbol.
Adjusted the condion checks to have appropriate options.
Implemented the SCAS microcode.
Attached SCAS into the decoder.
--HG--
extra : convert_revision : 17bf9ddae6bc2069e43b076f8f83c4e54fb7966c
Diffstat (limited to 'src/arch/x86/insts')
| -rw-r--r-- | src/arch/x86/insts/microregop.cc | 10 | ||||
| -rw-r--r-- | src/arch/x86/insts/microregop.hh | 4 |
2 files changed, 8 insertions, 6 deletions
diff --git a/src/arch/x86/insts/microregop.cc b/src/arch/x86/insts/microregop.cc index e67a82d4f..42c540b7a 100644 --- a/src/arch/x86/insts/microregop.cc +++ b/src/arch/x86/insts/microregop.cc @@ -112,8 +112,9 @@ namespace X86ISA panic("This condition is not implemented!"); case ConditionTests::MSTRC: panic("This condition is not implemented!"); - case ConditionTests::STRZnZF: - panic("This condition is not implemented!"); + case ConditionTests::STRZnEZF: + return !ccflags.EZF & ccflags.ZF; + //And no interrupts or debug traps are waiting case ConditionTests::OF: return ccflags.OF; case ConditionTests::CF: @@ -144,8 +145,9 @@ namespace X86ISA panic("This condition is not implemented!"); case ConditionTests::NotMSTRC: panic("This condition is not implemented!"); - case ConditionTests::NotSTRZnZF: - panic("This condition is not implemented!"); + case ConditionTests::STRnZnEZF: + return !ccflags.EZF & !ccflags.ZF; + //And no interrupts or debug traps are waiting case ConditionTests::NotOF: return !ccflags.OF; case ConditionTests::NotCF: diff --git a/src/arch/x86/insts/microregop.hh b/src/arch/x86/insts/microregop.hh index f465ac651..f6bebb763 100644 --- a/src/arch/x86/insts/microregop.hh +++ b/src/arch/x86/insts/microregop.hh @@ -73,7 +73,7 @@ namespace X86ISA MSTRZ, STRZ, MSTRC, - STRZnZF, + STRZnEZF, OF, CF, ZF, @@ -91,7 +91,7 @@ namespace X86ISA NotMSTRZ, NotSTRZ, NotMSTRC, - NotSTRZnZF, + STRnZnEZF, NotOF, NotCF, NotZF, |