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| author | Gabe Black <gblack@eecs.umich.edu> | 2009-08-17 18:15:21 -0700 |
|---|---|---|
| committer | Gabe Black <gblack@eecs.umich.edu> | 2009-08-17 18:15:21 -0700 |
| commit | 33cb4c2f09d7ad21cf37bab6ce1f846a049e121e (patch) | |
| tree | 1d80c03cba18c1aa2cf998509fa9b0838d8e4c3d /src/arch/x86/isa/specialize.isa | |
| parent | 3a4438a8683e73fc5fb6195a627372a5de2c5a99 (diff) | |
| download | gem5-33cb4c2f09d7ad21cf37bab6ce1f846a049e121e.tar.xz | |
X86: Use suffixes to differentiate XMM/MMX/GPR operands.
Diffstat (limited to 'src/arch/x86/isa/specialize.isa')
| -rw-r--r-- | src/arch/x86/isa/specialize.isa | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/src/arch/x86/isa/specialize.isa b/src/arch/x86/isa/specialize.isa index b74363470..4ebba6981 100644 --- a/src/arch/x86/isa/specialize.isa +++ b/src/arch/x86/isa/specialize.isa @@ -190,7 +190,12 @@ let {{ env.addReg(ModRMRegIndex) env.addToDisassembly( "printReg(out, %s, regSize);\n" % ModRMRegIndex) - Name += "_R" + if opType.tag == "P": + Name += "_MMX" + elif opType.tag == "V": + Name += "_XMM" + else: + Name += "_R" elif opType.tag in ("E", "Q", "W"): # This might refer to memory or to a register. We need to # divide it up farther. @@ -202,9 +207,16 @@ let {{ # modrm addressing. memEnv = copy.copy(env) memEnv.doModRM = True + regSuffix = "_R" + if opType.tag == "Q": + regSuffix = "_MMX" + elif opType.tag == "W": + regSuffix = "_XMM" return doSplitDecode("MODRM_MOD", - {"3" : (specializeInst, Name + "_R", copy.copy(opTypes), regEnv)}, - (doRipRelativeDecode, Name, copy.copy(opTypes), memEnv)) + {"3" : (specializeInst, Name + regSuffix, + copy.copy(opTypes), regEnv)}, + (doRipRelativeDecode, Name, + copy.copy(opTypes), memEnv)) elif opType.tag in ("I", "J"): # Immediates env.addToDisassembly( @@ -218,7 +230,12 @@ let {{ env.addReg(ModRMRMIndex) env.addToDisassembly( "printReg(out, %s, regSize);\n" % ModRMRMIndex) - Name += "_R" + if opType.tag == "PR": + Name += "_MMX" + elif opType.tag == "VR": + Name += "_XMM" + else: + Name += "_R" elif opType.tag in ("X", "Y"): # This type of memory addressing is for string instructions. # They'll use the right index and segment internally. |