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| author | Gabe Black <gblack@eecs.umich.edu> | 2010-12-08 00:27:23 -0800 |
|---|---|---|
| committer | Gabe Black <gblack@eecs.umich.edu> | 2010-12-08 00:27:23 -0800 |
| commit | d3e021820eb9916d63b96ba732ccc0783626433b (patch) | |
| tree | 56ba937d0260fd3366ed82c13af4d3698626bb0b /src/arch/x86/isa/microops | |
| parent | 4c9b023a7afec8ba3a89736a01f445fc3e6adb05 (diff) | |
| download | gem5-d3e021820eb9916d63b96ba732ccc0783626433b.tar.xz | |
X86: Take advantage of new PCState syntax.
Diffstat (limited to 'src/arch/x86/isa/microops')
| -rw-r--r-- | src/arch/x86/isa/microops/regop.isa | 13 | ||||
| -rw-r--r-- | src/arch/x86/isa/microops/seqop.isa | 16 |
2 files changed, 7 insertions, 22 deletions
diff --git a/src/arch/x86/isa/microops/regop.isa b/src/arch/x86/isa/microops/regop.isa index 86ebac174..975bdce8a 100644 --- a/src/arch/x86/isa/microops/regop.isa +++ b/src/arch/x86/isa/microops/regop.isa @@ -944,12 +944,8 @@ let {{ code = 'DoubleBits = psrc1 ^ op2;' class Wrip(WrRegOp, CondRegOp): - code = ''' - X86ISA::PCState pc = PCS; - pc.npc(psrc1 + sop2 + CSBase); - PCS = pc; - ''' - else_code = "PCS = PCS;" + code = 'NRIP = psrc1 + sop2 + CSBase;' + else_code = "NRIP = NRIP;" class Wruflags(WrRegOp): code = 'ccFlagBits = psrc1 ^ op2' @@ -965,10 +961,7 @@ let {{ ''' class Rdip(RdRegOp): - code = ''' - X86ISA::PCState pc = PCS; - DestReg = pc.npc() - CSBase; - ''' + code = 'DestReg = NRIP - CSBase;' class Ruflags(RdRegOp): code = 'DestReg = ccFlagBits' diff --git a/src/arch/x86/isa/microops/seqop.isa b/src/arch/x86/isa/microops/seqop.isa index a3e22b0aa..1b125ec9c 100644 --- a/src/arch/x86/isa/microops/seqop.isa +++ b/src/arch/x86/isa/microops/seqop.isa @@ -169,23 +169,15 @@ let {{ return super(Eret, self).getAllocator(microFlags) iop = InstObjParams("br", "MicroBranchFlags", "SeqOpBase", - {"code": ''' - X86ISA::PCState pc = PCS; - pc.nupc(target); - PCS = pc; - ''', - "else_code": "PCS = PCS", + {"code": "nuIP = target;", + "else_code": "nuIP = nuIP;", "cond_test": "checkCondition(ccFlagBits, cc)"}) exec_output += SeqOpExecute.subst(iop) header_output += SeqOpDeclare.subst(iop) decoder_output += SeqOpConstructor.subst(iop) iop = InstObjParams("br", "MicroBranch", "SeqOpBase", - {"code": ''' - X86ISA::PCState pc = PCS; - pc.nupc(target); - PCS = pc; - ''', - "else_code": "PCS = PCS", + {"code": "nuIP = target;", + "else_code": "nuIP = nuIP;", "cond_test": "true"}) exec_output += SeqOpExecute.subst(iop) header_output += SeqOpDeclare.subst(iop) |