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| author | Gabe Black <gblack@eecs.umich.edu> | 2009-08-09 01:01:41 -0700 |
|---|---|---|
| committer | Gabe Black <gblack@eecs.umich.edu> | 2009-08-09 01:01:41 -0700 |
| commit | c5fae517748420efd346149641ed69f53747ee16 (patch) | |
| tree | 3ca8395860eed8f99a18b713d7a4d1bff52ab09c /src/arch/x86/isa/decoder | |
| parent | bbf117b20e32ca827ee3b00b019d3a88f39f9cec (diff) | |
| download | gem5-c5fae517748420efd346149641ed69f53747ee16.tar.xz | |
X86: Implement the CMPXCHG8B/CMPXCHG16B instruction.
Diffstat (limited to 'src/arch/x86/isa/decoder')
| -rw-r--r-- | src/arch/x86/isa/decoder/locked_opcodes.isa | 3 | ||||
| -rw-r--r-- | src/arch/x86/isa/decoder/two_byte_opcodes.isa | 3 |
2 files changed, 4 insertions, 2 deletions
diff --git a/src/arch/x86/isa/decoder/locked_opcodes.isa b/src/arch/x86/isa/decoder/locked_opcodes.isa index f38f2abb8..14d5e58a3 100644 --- a/src/arch/x86/isa/decoder/locked_opcodes.isa +++ b/src/arch/x86/isa/decoder/locked_opcodes.isa @@ -160,7 +160,8 @@ 0x1: XADD_LOCKED(Mv,Gv); //0x7: group9(); 0x7: decode MODRM_REG { - 0x1: WarnUnimpl::cmpxchg_Mq_LOCKED(); + //Also CMPXCHG16B + 0x1: CMPXCHG8B_LOCKED(Mdp); } } } diff --git a/src/arch/x86/isa/decoder/two_byte_opcodes.isa b/src/arch/x86/isa/decoder/two_byte_opcodes.isa index dbde17964..55056da81 100644 --- a/src/arch/x86/isa/decoder/two_byte_opcodes.isa +++ b/src/arch/x86/isa/decoder/two_byte_opcodes.isa @@ -898,7 +898,8 @@ 0x1: Inst::XADD(Ev,Gv); //0x7: group9(); 0x7: decode MODRM_REG { - 0x1: cmpxchg_Mq(); + //Also CMPXCHG16B + 0x1: Inst::CMPXCHG8B(Mdp); 0x6: decode LEGACY_OP { 0x1: vmclear_Mq(); default: decode LEGACY_REP { |