diff options
| author | Gabe Black <gblack@eecs.umich.edu> | 2007-07-20 17:17:11 -0700 |
|---|---|---|
| committer | Gabe Black <gblack@eecs.umich.edu> | 2007-07-20 17:17:11 -0700 |
| commit | 9093cb79a1a96867cae677f529a0d4bb19b288af (patch) | |
| tree | 8f9f3ae4c1bd8c96900fb84bae00a7ab5b01d743 /src/arch/x86/isa/microops | |
| parent | c3669b892548ed3e1e8f4016f1e18202c5e7f484 (diff) | |
| download | gem5-9093cb79a1a96867cae677f529a0d4bb19b288af.tar.xz | |
Implement adc and sbb instructions and microops.
--HG--
extra : convert_revision : a2d3068c5b487f4fa7bf5c9cebba7753bc390bfa
Diffstat (limited to 'src/arch/x86/isa/microops')
| -rw-r--r-- | src/arch/x86/isa/microops/regop.isa | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/src/arch/x86/isa/microops/regop.isa b/src/arch/x86/isa/microops/regop.isa index 31ca8344d..d2002b4fb 100644 --- a/src/arch/x86/isa/microops/regop.isa +++ b/src/arch/x86/isa/microops/regop.isa @@ -383,12 +383,18 @@ let {{ defineMicroRegOp('Add', 'DestReg = merge(DestReg, SrcReg1 + op2, dataSize)') defineMicroRegOp('Or', 'DestReg = merge(DestReg, SrcReg1 | op2, dataSize)') - defineMicroRegOp('Adc', 'DestReg = merge(DestReg, SrcReg1 + op2, dataSize)') - defineMicroRegOp('Sbb', 'DestReg = merge(DestReg, SrcReg1 - op2, dataSize)', True) + defineMicroRegOp('Adc', ''' + CCFlagBits flags = ccFlagBits; + DestReg = merge(DestReg, SrcReg1 + op2 + flags.CF, dataSize); + ''') + defineMicroRegOp('Sbb', ''' + CCFlagBits flags = ccFlagBits; + DestReg = merge(DestReg, SrcReg1 - op2 - flags.CF, dataSize); + ''', True) defineMicroRegOp('And', 'DestReg = merge(DestReg, SrcReg1 & op2, dataSize)') defineMicroRegOp('Sub', 'DestReg = merge(DestReg, SrcReg1 - op2, dataSize)', True) defineMicroRegOp('Xor', 'DestReg = merge(DestReg, SrcReg1 ^ op2, dataSize)') - defineMicroRegOp('Cmp', 'DestReg = merge(DestReg, DestReg - op2, dataSize)', True) + # defineMicroRegOp('Cmp', 'DestReg = merge(DestReg, DestReg - op2, dataSize)', True) defineMicroRegOp('Mul1s', 'DestReg = merge(DestReg, DestReg * op2, dataSize)') defineMicroRegOp('Mov', 'DestReg = merge(SrcReg1, op2, dataSize)', elseCode='DestReg=DestReg;', cc=True) |