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| author | Gabe Black <gblack@eecs.umich.edu> | 2009-08-17 20:25:14 -0700 |
|---|---|---|
| committer | Gabe Black <gblack@eecs.umich.edu> | 2009-08-17 20:25:14 -0700 |
| commit | 179fd4e536e12cbd1baeefbd9d8ac0557f899003 (patch) | |
| tree | dbbbf29c7eb13e12836e450552d5536adaf47899 | |
| parent | b315c3effc89127017c34b55908e7e63adca3f11 (diff) | |
| download | gem5-179fd4e536e12cbd1baeefbd9d8ac0557f899003.tar.xz | |
X86: Implement LDMXCSR.
| -rw-r--r-- | src/arch/x86/isa/decoder/two_byte_opcodes.isa | 2 | ||||
| -rw-r--r-- | src/arch/x86/isa/insts/simd128/integer/save_and_restore_state/save_and_restore_control_and_status.py | 12 |
2 files changed, 12 insertions, 2 deletions
diff --git a/src/arch/x86/isa/decoder/two_byte_opcodes.isa b/src/arch/x86/isa/decoder/two_byte_opcodes.isa index 5d817d2c2..dabc1bb75 100644 --- a/src/arch/x86/isa/decoder/two_byte_opcodes.isa +++ b/src/arch/x86/isa/decoder/two_byte_opcodes.isa @@ -828,7 +828,7 @@ 0x6: decode MODRM_REG { 0x0: fxsave(); 0x1: fxrstor(); - 0x2: ldmxcsr(); + 0x2: Inst::LDMXCSR(Md); 0x3: Inst::STMXCSR(Md); 0x4: Inst::UD2(); 0x5: decode MODRM_MOD { diff --git a/src/arch/x86/isa/insts/simd128/integer/save_and_restore_state/save_and_restore_control_and_status.py b/src/arch/x86/isa/insts/simd128/integer/save_and_restore_state/save_and_restore_control_and_status.py index 831a266c7..2481b744f 100644 --- a/src/arch/x86/isa/insts/simd128/integer/save_and_restore_state/save_and_restore_control_and_status.py +++ b/src/arch/x86/isa/insts/simd128/integer/save_and_restore_state/save_and_restore_control_and_status.py @@ -64,5 +64,15 @@ def macroop STMXCSR_P { rdip t7 st t1, seg, riprel, disp }; -# LDMXCSR + +def macroop LDMXCSR_M { + ld t1, seg, sib, disp + wrval "InstRegIndex(MISCREG_MXCSR)", t1 +}; + +def macroop LDMXCSR_P { + rdip t7 + ld t1, seg, riprel, disp + wrval "InstRegIndex(MISCREG_MXCSR)", t1 +}; ''' |