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| author | Gabe Black <gblack@eecs.umich.edu> | 2007-08-07 15:19:26 -0700 |
|---|---|---|
| committer | Gabe Black <gblack@eecs.umich.edu> | 2007-08-07 15:19:26 -0700 |
| commit | fb6cdf09cb4cfe9f39fdc7381168883fae6816ec (patch) | |
| tree | 749d30835f7f27edbd21f913e057c9bc922eb528 /src/arch/x86/isa/microops/regop.isa | |
| parent | cae8d20633c0f43fdae23576adfb894284a7ee86 (diff) | |
| download | gem5-fb6cdf09cb4cfe9f39fdc7381168883fae6816ec.tar.xz | |
X86: Make a microcode branch microop.
Also some touch up for ruflag.
--HG--
extra : convert_revision : 829947169af25ca6573f53b9430707101c75cc23
Diffstat (limited to 'src/arch/x86/isa/microops/regop.isa')
| -rw-r--r-- | src/arch/x86/isa/microops/regop.isa | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/arch/x86/isa/microops/regop.isa b/src/arch/x86/isa/microops/regop.isa index ac88be657..c6a25279e 100644 --- a/src/arch/x86/isa/microops/regop.isa +++ b/src/arch/x86/isa/microops/regop.isa @@ -453,7 +453,7 @@ let {{ setUpMicroRegOp(name, Name, "X86ISA::RegOp", code); - def defineMicroRegOpImm(mnemonic, code): + def defineMicroRegOpImm(mnemonic, code, flagCode=""): Name = mnemonic name = mnemonic.lower() code = immPick + code @@ -615,11 +615,12 @@ let {{ ''') defineMicroRegOpWr('Wrip', 'RIP = psrc1 + op2', elseCode="RIP = RIP;") + defineMicroRegOpWr('Br', 'nuIP = psrc1 + op2;', elseCode='nuIP = nuIP;') defineMicroRegOpWr('Wruflags', 'ccFlagBits = psrc1 ^ op2') defineMicroRegOpRd('Rdip', 'DestReg = RIP') defineMicroRegOpRd('Ruflags', 'DestReg = ccFlagBits') - defineMicroRegOpImm('Ruflag', 'DestReg = bits(ccFlagBits, imm8);', \ + defineMicroRegOpImm('Ruflag', 'DestReg = bits(ccFlagBits, imm8 + 0*psrc1);', \ flagCode = genCCFlagBitsLogic) defineMicroRegOpImm('Sext', ''' |