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| author | Gabe Black <gblack@eecs.umich.edu> | 2009-02-27 09:24:10 -0800 |
|---|---|---|
| committer | Gabe Black <gblack@eecs.umich.edu> | 2009-02-27 09:24:10 -0800 |
| commit | 79bc1b37400ffc4aacfbf19b64aed4c7d568c941 (patch) | |
| tree | 46ac04ca4ec707ff863a4fe8db1b4e0be483b768 /src/arch | |
| parent | 3dfa564e70e4804ef118ba94c81233fb85f56ba2 (diff) | |
| download | gem5-79bc1b37400ffc4aacfbf19b64aed4c7d568c941.tar.xz | |
X86: Fix a decoder bug and add in some missing instructions.
Diffstat (limited to 'src/arch')
| -rw-r--r-- | src/arch/x86/isa/decoder/two_byte_opcodes.isa | 25 |
1 files changed, 15 insertions, 10 deletions
diff --git a/src/arch/x86/isa/decoder/two_byte_opcodes.isa b/src/arch/x86/isa/decoder/two_byte_opcodes.isa index 9c376e2c4..64920bcbd 100644 --- a/src/arch/x86/isa/decoder/two_byte_opcodes.isa +++ b/src/arch/x86/isa/decoder/two_byte_opcodes.isa @@ -829,20 +829,25 @@ 0x4: shrd_Ev_Gv_Ib(); 0x5: shrd_Ev_Gv_rCl(); //0x6: group16(); - 0x6: decode MODRM_MOD { - 0x3: decode MODRM_REG { - 0x5: BasicOperate::LFENCE( + 0x6: decode MODRM_REG { + 0x0: fxsave(); + 0x1: fxrstor(); + 0x2: ldmxcsr(); + 0x3: stmxcsr(); + 0x4: Inst::UD2(); + 0x5: decode MODRM_MOD { + 0x3: BasicOperate::LFENCE( {{/*Nothing*/}}, IsReadBarrier); - 0x6: BasicOperate::MFENCE( + default: Inst::UD2(); + } + 0x6: decode MODRM_MOD { + 0x3: BasicOperate::MFENCE( {{/*Nothing*/}}, IsMemBarrier); - 0x7: BasicOperate::SFENCE( - {{/*Nothing*/}}, IsWriteBarrier); default: Inst::UD2(); } - default: decode MODRM_REG { - 0x0: fxsave(); - 0x1: fxrstor(); - 0x7: clflush(); + 0x7: decode MODRM_MOD { + 0x3: BasicOperate::SFENCE( + {{/*Nothing*/}}, IsWriteBarrier); default: Inst::UD2(); } } |