diff options
Diffstat (limited to 'lib/Target/X86/X86InstrInfo.cpp')
-rw-r--r-- | lib/Target/X86/X86InstrInfo.cpp | 41 |
1 files changed, 26 insertions, 15 deletions
diff --git a/lib/Target/X86/X86InstrInfo.cpp b/lib/Target/X86/X86InstrInfo.cpp index 76a9b12..83f0260 100644 --- a/lib/Target/X86/X86InstrInfo.cpp +++ b/lib/Target/X86/X86InstrInfo.cpp @@ -232,7 +232,7 @@ X86InstrInfo::X86InstrInfo(X86TargetMachine &tm) assert(!RegOp2MemOpTable2Addr.count(RegOp) && "Duplicated entries?"); RegOp2MemOpTable2Addr[RegOp] = std::make_pair(MemOp, 0U); - // If this is not a reversable operation (because there is a many->one) + // If this is not a reversible operation (because there is a many->one) // mapping, don't insert the reverse of the operation into MemOp2RegOpTable. if (OpTbl2Addr[i][1] & TB_NOT_REVERSABLE) continue; @@ -335,7 +335,7 @@ X86InstrInfo::X86InstrInfo(X86TargetMachine &tm) assert(!RegOp2MemOpTable0.count(RegOp) && "Duplicated entries?"); RegOp2MemOpTable0[RegOp] = std::make_pair(MemOp, Align); - // If this is not a reversable operation (because there is a many->one) + // If this is not a reversible operation (because there is a many->one) // mapping, don't insert the reverse of the operation into MemOp2RegOpTable. if (OpTbl0[i][1] & TB_NOT_REVERSABLE) continue; @@ -460,7 +460,7 @@ X86InstrInfo::X86InstrInfo(X86TargetMachine &tm) assert(!RegOp2MemOpTable1.count(RegOp) && "Duplicate entries"); RegOp2MemOpTable1[RegOp] = std::make_pair(MemOp, Align); - // If this is not a reversable operation (because there is a many->one) + // If this is not a reversible operation (because there is a many->one) // mapping, don't insert the reverse of the operation into MemOp2RegOpTable. if (OpTbl1[i][1] & TB_NOT_REVERSABLE) continue; @@ -682,7 +682,7 @@ X86InstrInfo::X86InstrInfo(X86TargetMachine &tm) assert(!RegOp2MemOpTable2.count(RegOp) && "Duplicate entry!"); RegOp2MemOpTable2[RegOp] = std::make_pair(MemOp, Align); - // If this is not a reversable operation (because there is a many->one) + // If this is not a reversible operation (because there is a many->one) // mapping, don't insert the reverse of the operation into MemOp2RegOpTable. if (OpTbl2[i][1] & TB_NOT_REVERSABLE) continue; @@ -916,7 +916,6 @@ X86InstrInfo::isReallyTriviallyReMaterializable(const MachineInstr *MI, case X86::MOVSDrm: case X86::MOVAPSrm: case X86::MOVUPSrm: - case X86::MOVUPSrm_Int: case X86::MOVAPDrm: case X86::MOVDQArm: case X86::MMX_MOVD64rm: @@ -2241,6 +2240,12 @@ X86InstrInfo::foldMemoryOperandImpl(MachineFunction &MF, bool isTwoAddr = NumOps > 1 && MI->getDesc().getOperandConstraint(1, TOI::TIED_TO) != -1; + // FIXME: AsmPrinter doesn't know how to handle + // X86II::MO_GOT_ABSOLUTE_ADDRESS after folding. + if (MI->getOpcode() == X86::ADD32ri && + MI->getOperand(2).getTargetFlags() == X86II::MO_GOT_ABSOLUTE_ADDRESS) + return NULL; + MachineInstr *NewMI = NULL; // Folding a memory location into the two-address part of a two-address // instruction is different than folding it other places. It requires @@ -2535,6 +2540,12 @@ bool X86InstrInfo::canFoldMemoryOperand(const MachineInstr *MI, case X86::TEST32rr: case X86::TEST64rr: return true; + case X86::ADD32ri: + // FIXME: AsmPrinter doesn't know how to handle + // X86II::MO_GOT_ABSOLUTE_ADDRESS after folding. + if (MI->getOperand(2).getTargetFlags() == X86II::MO_GOT_ABSOLUTE_ADDRESS) + return false; + break; } } @@ -2845,11 +2856,9 @@ X86InstrInfo::areLoadsFromSameBasePtr(SDNode *Load1, SDNode *Load2, case X86::FsMOVAPDrm: case X86::MOVAPSrm: case X86::MOVUPSrm: - case X86::MOVUPSrm_Int: case X86::MOVAPDrm: case X86::MOVDQArm: case X86::MOVDQUrm: - case X86::MOVDQUrm_Int: break; } switch (Opc2) { @@ -2869,11 +2878,9 @@ X86InstrInfo::areLoadsFromSameBasePtr(SDNode *Load1, SDNode *Load2, case X86::FsMOVAPDrm: case X86::MOVAPSrm: case X86::MOVUPSrm: - case X86::MOVUPSrm_Int: case X86::MOVAPDrm: case X86::MOVDQArm: case X86::MOVDQUrm: - case X86::MOVDQUrm_Int: break; } @@ -3085,12 +3092,8 @@ void X86InstrInfo::getNoopForMachoTarget(MCInst &NopInst) const { NopInst.setOpcode(X86::NOOP); } -bool X86InstrInfo:: -hasHighOperandLatency(const InstrItineraryData *ItinData, - const MachineRegisterInfo *MRI, - const MachineInstr *DefMI, unsigned DefIdx, - const MachineInstr *UseMI, unsigned UseIdx) const { - switch (DefMI->getOpcode()) { +bool X86InstrInfo::isHighLatencyDef(int opc) const { + switch (opc) { default: return false; case X86::DIVSDrm: case X86::DIVSDrm_Int: @@ -3120,6 +3123,14 @@ hasHighOperandLatency(const InstrItineraryData *ItinData, } } +bool X86InstrInfo:: +hasHighOperandLatency(const InstrItineraryData *ItinData, + const MachineRegisterInfo *MRI, + const MachineInstr *DefMI, unsigned DefIdx, + const MachineInstr *UseMI, unsigned UseIdx) const { + return isHighLatencyDef(DefMI->getOpcode()); +} + namespace { /// CGBR - Create Global Base Reg pass. This initializes the PIC /// global base register for x86-32. |