//===- X86RegisterInfo.cpp - X86 Register Information -----------*- C++ -*-===//
-//
+//
// The LLVM Compiler Infrastructure
//
// This file was developed by the LLVM research group and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
-//
+//
//===----------------------------------------------------------------------===//
//
// This file contains the X86 implementation of the MRegisterInfo class. This
cl::opt<bool>
NoFPElim("disable-fp-elim",
cl::desc("Disable frame pointer elimination optimization"));
+ cl::opt<bool>
+ NoFusing("disable-spill-fusing",
+ cl::desc("Disable fusing of spill code into instructions"));
+ cl::opt<bool>
+ PrintFailedFusing("print-failed-fuse-candidates",
+ cl::desc("Print instructions that the allocator wants to"
+ " fuse, but the X86 backend currently can't"),
+ cl::Hidden);
}
X86RegisterInfo::X86RegisterInfo()
unsigned SrcReg, int FrameIdx,
const TargetRegisterClass *RC) const {
static const unsigned Opcode[] =
- { X86::MOVrm8, X86::MOVrm16, X86::MOVrm32, X86::FSTPr80 };
+ { X86::MOV8mr, X86::MOV16mr, X86::MOV32mr, X86::FSTP80m };
MachineInstr *I = addFrameReference(BuildMI(Opcode[getIdx(RC)], 5),
FrameIdx).addReg(SrcReg);
MBB.insert(MI, I);
unsigned DestReg, int FrameIdx,
const TargetRegisterClass *RC) const{
static const unsigned Opcode[] =
- { X86::MOVmr8, X86::MOVmr16, X86::MOVmr32, X86::FLDr80 };
+ { X86::MOV8rm, X86::MOV16rm, X86::MOV32rm, X86::FLD80m };
unsigned OC = Opcode[getIdx(RC)];
MBB.insert(MI, addFrameReference(BuildMI(OC, 4, DestReg), FrameIdx));
return 1;
unsigned DestReg, unsigned SrcReg,
const TargetRegisterClass *RC) const {
static const unsigned Opcode[] =
- { X86::MOVrr8, X86::MOVrr16, X86::MOVrr32, X86::FpMOV };
+ { X86::MOV8rr, X86::MOV16rr, X86::MOV32rr, X86::FpMOV };
MBB.insert(MI, BuildMI(Opcode[getIdx(RC)],1,DestReg).addReg(SrcReg));
return 1;
}
+static MachineInstr *MakeMInst(unsigned Opcode, unsigned FrameIndex,
+ MachineInstr *MI) {
+ return addFrameReference(BuildMI(Opcode, 4), FrameIndex);
+}
+
static MachineInstr *MakeMRInst(unsigned Opcode, unsigned FrameIndex,
MachineInstr *MI) {
return addFrameReference(BuildMI(Opcode, 5), FrameIndex)
.addReg(MI->getOperand(1).getReg());
}
+static MachineInstr *MakeMRIInst(unsigned Opcode, unsigned FrameIndex,
+ MachineInstr *MI) {
+ return addFrameReference(BuildMI(Opcode, 5), FrameIndex)
+ .addReg(MI->getOperand(1).getReg())
+ .addZImm(MI->getOperand(2).getImmedValue());
+}
+
static MachineInstr *MakeMIInst(unsigned Opcode, unsigned FrameIndex,
MachineInstr *MI) {
- return addFrameReference(BuildMI(Opcode, 5), FrameIndex)
- .addZImm(MI->getOperand(1).getImmedValue());
+ if (MI->getOperand(1).isImmediate())
+ return addFrameReference(BuildMI(Opcode, 5), FrameIndex)
+ .addZImm(MI->getOperand(1).getImmedValue());
+ else if (MI->getOperand(1).isGlobalAddress())
+ return addFrameReference(BuildMI(Opcode, 5), FrameIndex)
+ .addGlobalAddress(MI->getOperand(1).getGlobal());
+ assert(0 && "Unknown operand for MakeMI!");
+ return 0;
}
static MachineInstr *MakeRMInst(unsigned Opcode, unsigned FrameIndex,
MachineInstr *MI) {
- return addFrameReference(BuildMI(Opcode, 5, MI->getOperand(0).getReg()),
+ const MachineOperand& op = MI->getOperand(0);
+ return addFrameReference(BuildMI(Opcode, 5, op.getReg(), op.getUseType()),
FrameIndex);
}
static MachineInstr *MakeRMIInst(unsigned Opcode, unsigned FrameIndex,
MachineInstr *MI) {
- return addFrameReference(BuildMI(Opcode, 5, MI->getOperand(0).getReg()),
+ const MachineOperand& op = MI->getOperand(0);
+ return addFrameReference(BuildMI(Opcode, 5, op.getReg(), op.getUseType()),
FrameIndex).addZImm(MI->getOperand(2).getImmedValue());
}
-bool X86RegisterInfo::foldMemoryOperand(MachineBasicBlock::iterator &MI,
- unsigned i, int FrameIndex) const {
+MachineInstr* X86RegisterInfo::foldMemoryOperand(MachineInstr* MI,
+ unsigned i,
+ int FrameIndex) const {
+ if (NoFusing) return NULL;
+
/// FIXME: This should obviously be autogenerated by tablegen when patterns
/// are available!
MachineBasicBlock& MBB = *MI->getParent();
- MachineInstr* NI = 0;
if (i == 0) {
switch(MI->getOpcode()) {
- case X86::MOVrr8: NI = MakeMRInst(X86::MOVrm8 , FrameIndex, MI); break;
- case X86::MOVrr16: NI = MakeMRInst(X86::MOVrm16, FrameIndex, MI); break;
- case X86::MOVrr32: NI = MakeMRInst(X86::MOVrm32, FrameIndex, MI); break;
- case X86::ADDrr8: NI = MakeMRInst(X86::ADDmr8 , FrameIndex, MI); break;
- case X86::ADDrr16: NI = MakeMRInst(X86::ADDmr16, FrameIndex, MI); break;
- case X86::ADDrr32: NI = MakeMRInst(X86::ADDmr32, FrameIndex, MI); break;
- case X86::ADDri8: NI = MakeMIInst(X86::ADDmi8 , FrameIndex, MI); break;
- case X86::ADDri16: NI = MakeMIInst(X86::ADDmi16, FrameIndex, MI); break;
- case X86::ADDri32: NI = MakeMIInst(X86::ADDmi32, FrameIndex, MI); break;
- case X86::ANDrr8: NI = MakeMRInst(X86::ANDmr8 , FrameIndex, MI); break;
- case X86::ANDrr16: NI = MakeMRInst(X86::ANDmr16, FrameIndex, MI); break;
- case X86::ANDrr32: NI = MakeMRInst(X86::ANDmr32, FrameIndex, MI); break;
- case X86::ANDri8: NI = MakeMIInst(X86::ANDmi8 , FrameIndex, MI); break;
- case X86::ANDri16: NI = MakeMIInst(X86::ANDmi16, FrameIndex, MI); break;
- case X86::ANDri32: NI = MakeMIInst(X86::ANDmi32, FrameIndex, MI); break;
- default: return false; // Cannot fold
+ case X86::XCHG8rr: return MakeMRInst(X86::XCHG8mr ,FrameIndex, MI);
+ case X86::XCHG16rr: return MakeMRInst(X86::XCHG16mr,FrameIndex, MI);
+ case X86::XCHG32rr: return MakeMRInst(X86::XCHG32mr,FrameIndex, MI);
+ case X86::MOV8rr: return MakeMRInst(X86::MOV8mr , FrameIndex, MI);
+ case X86::MOV16rr: return MakeMRInst(X86::MOV16mr, FrameIndex, MI);
+ case X86::MOV32rr: return MakeMRInst(X86::MOV32mr, FrameIndex, MI);
+ case X86::MOV8ri: return MakeMIInst(X86::MOV8mi , FrameIndex, MI);
+ case X86::MOV16ri: return MakeMIInst(X86::MOV16mi, FrameIndex, MI);
+ case X86::MOV32ri: return MakeMIInst(X86::MOV32mi, FrameIndex, MI);
+ case X86::MUL8r: return MakeMInst( X86::MUL8m , FrameIndex, MI);
+ case X86::MUL16r: return MakeMInst( X86::MUL16m, FrameIndex, MI);
+ case X86::MUL32r: return MakeMInst( X86::MUL32m, FrameIndex, MI);
+ case X86::DIV8r: return MakeMInst( X86::DIV8m , FrameIndex, MI);
+ case X86::DIV16r: return MakeMInst( X86::DIV16m, FrameIndex, MI);
+ case X86::DIV32r: return MakeMInst( X86::DIV32m, FrameIndex, MI);
+ case X86::IDIV8r: return MakeMInst( X86::IDIV8m , FrameIndex, MI);
+ case X86::IDIV16r: return MakeMInst( X86::IDIV16m, FrameIndex, MI);
+ case X86::IDIV32r: return MakeMInst( X86::IDIV32m, FrameIndex, MI);
+ case X86::NEG8r: return MakeMInst( X86::NEG8m , FrameIndex, MI);
+ case X86::NEG16r: return MakeMInst( X86::NEG16m, FrameIndex, MI);
+ case X86::NEG32r: return MakeMInst( X86::NEG32m, FrameIndex, MI);
+ case X86::NOT8r: return MakeMInst( X86::NOT8m , FrameIndex, MI);
+ case X86::NOT16r: return MakeMInst( X86::NOT16m, FrameIndex, MI);
+ case X86::NOT32r: return MakeMInst( X86::NOT32m, FrameIndex, MI);
+ case X86::INC8r: return MakeMInst( X86::INC8m , FrameIndex, MI);
+ case X86::INC16r: return MakeMInst( X86::INC16m, FrameIndex, MI);
+ case X86::INC32r: return MakeMInst( X86::INC32m, FrameIndex, MI);
+ case X86::DEC8r: return MakeMInst( X86::DEC8m , FrameIndex, MI);
+ case X86::DEC16r: return MakeMInst( X86::DEC16m, FrameIndex, MI);
+ case X86::DEC32r: return MakeMInst( X86::DEC32m, FrameIndex, MI);
+ case X86::ADD8rr: return MakeMRInst(X86::ADD8mr , FrameIndex, MI);
+ case X86::ADD16rr: return MakeMRInst(X86::ADD16mr, FrameIndex, MI);
+ case X86::ADD32rr: return MakeMRInst(X86::ADD32mr, FrameIndex, MI);
+ case X86::ADC32rr: return MakeMRInst(X86::ADC32mr, FrameIndex, MI);
+ case X86::ADC32ri: return MakeMIInst(X86::ADC32mi, FrameIndex, MI);
+ case X86::ADD8ri: return MakeMIInst(X86::ADD8mi , FrameIndex, MI);
+ case X86::ADD16ri: return MakeMIInst(X86::ADD16mi, FrameIndex, MI);
+ case X86::ADD32ri: return MakeMIInst(X86::ADD32mi, FrameIndex, MI);
+ case X86::SUB8rr: return MakeMRInst(X86::SUB8mr , FrameIndex, MI);
+ case X86::SUB16rr: return MakeMRInst(X86::SUB16mr, FrameIndex, MI);
+ case X86::SUB32rr: return MakeMRInst(X86::SUB32mr, FrameIndex, MI);
+ case X86::SBB32rr: return MakeMRInst(X86::SBB32mr, FrameIndex, MI);
+ case X86::SBB32ri: return MakeMIInst(X86::SBB32mi, FrameIndex, MI);
+ case X86::SUB8ri: return MakeMIInst(X86::SUB8mi , FrameIndex, MI);
+ case X86::SUB16ri: return MakeMIInst(X86::SUB16mi, FrameIndex, MI);
+ case X86::SUB32ri: return MakeMIInst(X86::SUB32mi, FrameIndex, MI);
+ case X86::AND8rr: return MakeMRInst(X86::AND8mr , FrameIndex, MI);
+ case X86::AND16rr: return MakeMRInst(X86::AND16mr, FrameIndex, MI);
+ case X86::AND32rr: return MakeMRInst(X86::AND32mr, FrameIndex, MI);
+ case X86::AND8ri: return MakeMIInst(X86::AND8mi , FrameIndex, MI);
+ case X86::AND16ri: return MakeMIInst(X86::AND16mi, FrameIndex, MI);
+ case X86::AND32ri: return MakeMIInst(X86::AND32mi, FrameIndex, MI);
+ case X86::OR8rr: return MakeMRInst(X86::OR8mr , FrameIndex, MI);
+ case X86::OR16rr: return MakeMRInst(X86::OR16mr, FrameIndex, MI);
+ case X86::OR32rr: return MakeMRInst(X86::OR32mr, FrameIndex, MI);
+ case X86::OR8ri: return MakeMIInst(X86::OR8mi , FrameIndex, MI);
+ case X86::OR16ri: return MakeMIInst(X86::OR16mi, FrameIndex, MI);
+ case X86::OR32ri: return MakeMIInst(X86::OR32mi, FrameIndex, MI);
+ case X86::XOR8rr: return MakeMRInst(X86::XOR8mr , FrameIndex, MI);
+ case X86::XOR16rr: return MakeMRInst(X86::XOR16mr, FrameIndex, MI);
+ case X86::XOR32rr: return MakeMRInst(X86::XOR32mr, FrameIndex, MI);
+ case X86::XOR8ri: return MakeMIInst(X86::XOR8mi , FrameIndex, MI);
+ case X86::XOR16ri: return MakeMIInst(X86::XOR16mi, FrameIndex, MI);
+ case X86::XOR32ri: return MakeMIInst(X86::XOR32mi, FrameIndex, MI);
+ case X86::SHL8rCL: return MakeMInst( X86::SHL8mCL ,FrameIndex, MI);
+ case X86::SHL16rCL: return MakeMInst( X86::SHL16mCL,FrameIndex, MI);
+ case X86::SHL32rCL: return MakeMInst( X86::SHL32mCL,FrameIndex, MI);
+ case X86::SHL8ri: return MakeMIInst(X86::SHL8mi , FrameIndex, MI);
+ case X86::SHL16ri: return MakeMIInst(X86::SHL16mi, FrameIndex, MI);
+ case X86::SHL32ri: return MakeMIInst(X86::SHL32mi, FrameIndex, MI);
+ case X86::SHR8rCL: return MakeMInst( X86::SHR8mCL ,FrameIndex, MI);
+ case X86::SHR16rCL: return MakeMInst( X86::SHR16mCL,FrameIndex, MI);
+ case X86::SHR32rCL: return MakeMInst( X86::SHR32mCL,FrameIndex, MI);
+ case X86::SHR8ri: return MakeMIInst(X86::SHR8mi , FrameIndex, MI);
+ case X86::SHR16ri: return MakeMIInst(X86::SHR16mi, FrameIndex, MI);
+ case X86::SHR32ri: return MakeMIInst(X86::SHR32mi, FrameIndex, MI);
+ case X86::SAR8rCL: return MakeMInst( X86::SAR8mCL ,FrameIndex, MI);
+ case X86::SAR16rCL: return MakeMInst( X86::SAR16mCL,FrameIndex, MI);
+ case X86::SAR32rCL: return MakeMInst( X86::SAR32mCL,FrameIndex, MI);
+ case X86::SAR8ri: return MakeMIInst(X86::SAR8mi , FrameIndex, MI);
+ case X86::SAR16ri: return MakeMIInst(X86::SAR16mi, FrameIndex, MI);
+ case X86::SAR32ri: return MakeMIInst(X86::SAR32mi, FrameIndex, MI);
+ case X86::SHLD32rrCL:return MakeMRInst( X86::SHLD32mrCL,FrameIndex, MI);
+ case X86::SHLD32rri8:return MakeMRIInst(X86::SHLD32mri8,FrameIndex, MI);
+ case X86::SHRD32rrCL:return MakeMRInst( X86::SHRD32mrCL,FrameIndex, MI);
+ case X86::SHRD32rri8:return MakeMRIInst(X86::SHRD32mri8,FrameIndex, MI);
+ case X86::SETBr: return MakeMInst( X86::SETBm, FrameIndex, MI);
+ case X86::SETAEr: return MakeMInst( X86::SETAEm, FrameIndex, MI);
+ case X86::SETEr: return MakeMInst( X86::SETEm, FrameIndex, MI);
+ case X86::SETNEr: return MakeMInst( X86::SETNEm, FrameIndex, MI);
+ case X86::SETBEr: return MakeMInst( X86::SETBEm, FrameIndex, MI);
+ case X86::SETAr: return MakeMInst( X86::SETAm, FrameIndex, MI);
+ case X86::SETSr: return MakeMInst( X86::SETSm, FrameIndex, MI);
+ case X86::SETNSr: return MakeMInst( X86::SETNSm, FrameIndex, MI);
+ case X86::SETLr: return MakeMInst( X86::SETLm, FrameIndex, MI);
+ case X86::SETGEr: return MakeMInst( X86::SETGEm, FrameIndex, MI);
+ case X86::SETLEr: return MakeMInst( X86::SETLEm, FrameIndex, MI);
+ case X86::SETGr: return MakeMInst( X86::SETGm, FrameIndex, MI);
+ case X86::TEST8rr: return MakeMRInst(X86::TEST8mr ,FrameIndex, MI);
+ case X86::TEST16rr: return MakeMRInst(X86::TEST16mr,FrameIndex, MI);
+ case X86::TEST32rr: return MakeMRInst(X86::TEST32mr,FrameIndex, MI);
+ case X86::TEST8ri: return MakeMIInst(X86::TEST8mi ,FrameIndex, MI);
+ case X86::TEST16ri: return MakeMIInst(X86::TEST16mi,FrameIndex, MI);
+ case X86::TEST32ri: return MakeMIInst(X86::TEST32mi,FrameIndex, MI);
+ case X86::CMP8rr: return MakeMRInst(X86::CMP8mr , FrameIndex, MI);
+ case X86::CMP16rr: return MakeMRInst(X86::CMP16mr, FrameIndex, MI);
+ case X86::CMP32rr: return MakeMRInst(X86::CMP32mr, FrameIndex, MI);
+ case X86::CMP8ri: return MakeMIInst(X86::CMP8mi , FrameIndex, MI);
+ case X86::CMP16ri: return MakeMIInst(X86::CMP16mi, FrameIndex, MI);
+ case X86::CMP32ri: return MakeMIInst(X86::CMP32mi, FrameIndex, MI);
}
} else if (i == 1) {
switch(MI->getOpcode()) {
- case X86::MOVrr8: NI = MakeRMInst(X86::MOVmr8 , FrameIndex, MI); break;
- case X86::MOVrr16: NI = MakeRMInst(X86::MOVmr16, FrameIndex, MI); break;
- case X86::MOVrr32: NI = MakeRMInst(X86::MOVmr32, FrameIndex, MI); break;
- case X86::ADDrr8: NI = MakeRMInst(X86::ADDrm8 , FrameIndex, MI); break;
- case X86::ADDrr16: NI = MakeRMInst(X86::ADDrm16, FrameIndex, MI); break;
- case X86::ADDrr32: NI = MakeRMInst(X86::ADDrm32, FrameIndex, MI); break;
- case X86::ANDrr8: NI = MakeRMInst(X86::ANDrm8 , FrameIndex, MI); break;
- case X86::ANDrr16: NI = MakeRMInst(X86::ANDrm16, FrameIndex, MI); break;
- case X86::ANDrr32: NI = MakeRMInst(X86::ANDrm32, FrameIndex, MI); break;
- case X86::IMULrr16:NI = MakeRMInst(X86::IMULrm16, FrameIndex, MI); break;
- case X86::IMULrr32:NI = MakeRMInst(X86::IMULrm32, FrameIndex, MI); break;
- case X86::IMULrri16: NI = MakeRMIInst(X86::IMULrmi16, FrameIndex, MI); break;
- case X86::IMULrri32: NI = MakeRMIInst(X86::IMULrmi32, FrameIndex, MI); break;
- default: return false; // cannot fold.
+ case X86::XCHG8rr: return MakeRMInst(X86::XCHG8rm ,FrameIndex, MI);
+ case X86::XCHG16rr: return MakeRMInst(X86::XCHG16rm,FrameIndex, MI);
+ case X86::XCHG32rr: return MakeRMInst(X86::XCHG32rm,FrameIndex, MI);
+ case X86::MOV8rr: return MakeRMInst(X86::MOV8rm , FrameIndex, MI);
+ case X86::MOV16rr: return MakeRMInst(X86::MOV16rm, FrameIndex, MI);
+ case X86::MOV32rr: return MakeRMInst(X86::MOV32rm, FrameIndex, MI);
+ case X86::CMOVB16rr: return MakeRMInst(X86::CMOVB16rm , FrameIndex, MI);
+ case X86::CMOVB32rr: return MakeRMInst(X86::CMOVB32rm , FrameIndex, MI);
+ case X86::CMOVAE16rr: return MakeRMInst(X86::CMOVAE16rm , FrameIndex, MI);
+ case X86::CMOVAE32rr: return MakeRMInst(X86::CMOVAE32rm , FrameIndex, MI);
+ case X86::CMOVE16rr: return MakeRMInst(X86::CMOVE16rm , FrameIndex, MI);
+ case X86::CMOVE32rr: return MakeRMInst(X86::CMOVE32rm , FrameIndex, MI);
+ case X86::CMOVNE16rr:return MakeRMInst(X86::CMOVNE16rm, FrameIndex, MI);
+ case X86::CMOVNE32rr:return MakeRMInst(X86::CMOVNE32rm, FrameIndex, MI);
+ case X86::CMOVBE16rr:return MakeRMInst(X86::CMOVBE16rm, FrameIndex, MI);
+ case X86::CMOVBE32rr:return MakeRMInst(X86::CMOVBE32rm, FrameIndex, MI);
+ case X86::CMOVA16rr:return MakeRMInst(X86::CMOVA16rm, FrameIndex, MI);
+ case X86::CMOVA32rr:return MakeRMInst(X86::CMOVA32rm, FrameIndex, MI);
+ case X86::CMOVS16rr: return MakeRMInst(X86::CMOVS16rm , FrameIndex, MI);
+ case X86::CMOVS32rr: return MakeRMInst(X86::CMOVS32rm , FrameIndex, MI);
+ case X86::CMOVNS16rr: return MakeRMInst(X86::CMOVNS16rm , FrameIndex, MI);
+ case X86::CMOVNS32rr: return MakeRMInst(X86::CMOVNS32rm , FrameIndex, MI);
+ case X86::CMOVL16rr: return MakeRMInst(X86::CMOVL16rm , FrameIndex, MI);
+ case X86::CMOVL32rr: return MakeRMInst(X86::CMOVL32rm , FrameIndex, MI);
+ case X86::CMOVGE16rr: return MakeRMInst(X86::CMOVGE16rm , FrameIndex, MI);
+ case X86::CMOVGE32rr: return MakeRMInst(X86::CMOVGE32rm , FrameIndex, MI);
+ case X86::CMOVLE16rr: return MakeRMInst(X86::CMOVLE16rm , FrameIndex, MI);
+ case X86::CMOVLE32rr: return MakeRMInst(X86::CMOVLE32rm , FrameIndex, MI);
+ case X86::CMOVG16rr: return MakeRMInst(X86::CMOVG16rm , FrameIndex, MI);
+ case X86::CMOVG32rr: return MakeRMInst(X86::CMOVG32rm , FrameIndex, MI);
+ case X86::ADD8rr: return MakeRMInst(X86::ADD8rm , FrameIndex, MI);
+ case X86::ADD16rr: return MakeRMInst(X86::ADD16rm, FrameIndex, MI);
+ case X86::ADD32rr: return MakeRMInst(X86::ADD32rm, FrameIndex, MI);
+ case X86::ADC32rr: return MakeRMInst(X86::ADC32rm, FrameIndex, MI);
+ case X86::SUB8rr: return MakeRMInst(X86::SUB8rm , FrameIndex, MI);
+ case X86::SUB16rr: return MakeRMInst(X86::SUB16rm, FrameIndex, MI);
+ case X86::SUB32rr: return MakeRMInst(X86::SUB32rm, FrameIndex, MI);
+ case X86::SBB32rr: return MakeRMInst(X86::SBB32rm, FrameIndex, MI);
+ case X86::AND8rr: return MakeRMInst(X86::AND8rm , FrameIndex, MI);
+ case X86::AND16rr: return MakeRMInst(X86::AND16rm, FrameIndex, MI);
+ case X86::AND32rr: return MakeRMInst(X86::AND32rm, FrameIndex, MI);
+ case X86::OR8rr: return MakeRMInst(X86::OR8rm , FrameIndex, MI);
+ case X86::OR16rr: return MakeRMInst(X86::OR16rm, FrameIndex, MI);
+ case X86::OR32rr: return MakeRMInst(X86::OR32rm, FrameIndex, MI);
+ case X86::XOR8rr: return MakeRMInst(X86::XOR8rm , FrameIndex, MI);
+ case X86::XOR16rr: return MakeRMInst(X86::XOR16rm, FrameIndex, MI);
+ case X86::XOR32rr: return MakeRMInst(X86::XOR32rm, FrameIndex, MI);
+ case X86::TEST8rr: return MakeRMInst(X86::TEST8rm ,FrameIndex, MI);
+ case X86::TEST16rr: return MakeRMInst(X86::TEST16rm,FrameIndex, MI);
+ case X86::TEST32rr: return MakeRMInst(X86::TEST32rm,FrameIndex, MI);
+ case X86::IMUL16rr: return MakeRMInst(X86::IMUL16rm,FrameIndex, MI);
+ case X86::IMUL32rr: return MakeRMInst(X86::IMUL32rm,FrameIndex, MI);
+ case X86::IMUL16rri: return MakeRMIInst(X86::IMUL16rmi, FrameIndex, MI);
+ case X86::IMUL32rri: return MakeRMIInst(X86::IMUL32rmi, FrameIndex, MI);
+ case X86::CMP8rr: return MakeRMInst(X86::CMP8rm , FrameIndex, MI);
+ case X86::CMP16rr: return MakeRMInst(X86::CMP16rm, FrameIndex, MI);
+ case X86::CMP32rr: return MakeRMInst(X86::CMP32rm, FrameIndex, MI);
+ case X86::MOVSX16rr8:return MakeRMInst(X86::MOVSX16rm8 , FrameIndex, MI);
+ case X86::MOVSX32rr8:return MakeRMInst(X86::MOVSX32rm8, FrameIndex, MI);
+ case X86::MOVSX32rr16:return MakeRMInst(X86::MOVSX32rm16, FrameIndex, MI);
+ case X86::MOVZX16rr8:return MakeRMInst(X86::MOVZX16rm8 , FrameIndex, MI);
+ case X86::MOVZX32rr8: return MakeRMInst(X86::MOVZX32rm8, FrameIndex, MI);
+ case X86::MOVZX32rr16:return MakeRMInst(X86::MOVZX32rm16, FrameIndex, MI);
}
- } else {
- return false; // cannot fold.
}
-
- MI = MBB.insert(MBB.erase(MI), NI);
- return true;
+ if (PrintFailedFusing)
+ std::cerr << "We failed to fuse: " << *MI;
+ return NULL;
}
//===----------------------------------------------------------------------===//
MachineInstr *New;
if (Old->getOpcode() == X86::ADJCALLSTACKDOWN) {
- New=BuildMI(X86::SUBri32, 1, X86::ESP, MOTy::UseAndDef).addZImm(Amount);
+ New=BuildMI(X86::SUB32ri, 1, X86::ESP, MachineOperand::UseAndDef)
+ .addZImm(Amount);
} else {
assert(Old->getOpcode() == X86::ADJCALLSTACKUP);
- New=BuildMI(X86::ADDri32, 1, X86::ESP, MOTy::UseAndDef).addZImm(Amount);
+ New=BuildMI(X86::ADD32ri, 1, X86::ESP, MachineOperand::UseAndDef)
+ .addZImm(Amount);
}
// Replace the pseudo instruction with a new instruction...
int EBPOffset = MFI->getObjectOffset(MFI->getObjectIndexBegin())+4;
if (NumBytes) { // adjust stack pointer: ESP -= numbytes
- MI= BuildMI(X86::SUBri32, 1, X86::ESP, MOTy::UseAndDef).addZImm(NumBytes);
+ MI= BuildMI(X86::SUB32ri, 1, X86::ESP, MachineOperand::UseAndDef)
+ .addZImm(NumBytes);
MBB.insert(MBBI, MI);
}
// Save EBP into the appropriate stack slot...
- MI = addRegOffset(BuildMI(X86::MOVrm32, 5), // mov [ESP-<offset>], EBP
+ MI = addRegOffset(BuildMI(X86::MOV32mr, 5), // mov [ESP-<offset>], EBP
X86::ESP, EBPOffset+NumBytes).addReg(X86::EBP);
MBB.insert(MBBI, MI);
// Update EBP with the new base value...
if (NumBytes == 4) // mov EBP, ESP
- MI = BuildMI(X86::MOVrr32, 2, X86::EBP).addReg(X86::ESP);
+ MI = BuildMI(X86::MOV32rr, 2, X86::EBP).addReg(X86::ESP);
else // lea EBP, [ESP+StackSize]
- MI = addRegOffset(BuildMI(X86::LEAr32, 5, X86::EBP), X86::ESP,NumBytes-4);
+ MI = addRegOffset(BuildMI(X86::LEA32r, 5, X86::EBP), X86::ESP,NumBytes-4);
MBB.insert(MBBI, MI);
// eliminates the need for add/sub ESP brackets around call sites.
//
NumBytes += MFI->getMaxCallFrameSize();
-
+
// Round the size to a multiple of the alignment (don't forget the 4 byte
// offset though).
unsigned Align = MF.getTarget().getFrameInfo().getStackAlignment();
if (NumBytes) {
// adjust stack pointer: ESP -= numbytes
- MI= BuildMI(X86::SUBri32, 1, X86::ESP, MOTy::UseAndDef).addZImm(NumBytes);
+ MI= BuildMI(X86::SUB32ri, 1, X86::ESP, MachineOperand::UseAndDef)
+ .addZImm(NumBytes);
MBB.insert(MBBI, MI);
}
}
// Get the offset of the stack slot for the EBP register... which is
// guaranteed to be the last slot by processFunctionBeforeFrameFinalized.
int EBPOffset = MFI->getObjectOffset(MFI->getObjectIndexEnd()-1)+4;
-
+
// mov ESP, EBP
- MI = BuildMI(X86::MOVrr32, 1,X86::ESP).addReg(X86::EBP);
+ MI = BuildMI(X86::MOV32rr, 1,X86::ESP).addReg(X86::EBP);
MBB.insert(MBBI, MI);
// pop EBP
- MI = BuildMI(X86::POPr32, 0, X86::EBP);
+ MI = BuildMI(X86::POP32r, 0, X86::EBP);
MBB.insert(MBBI, MI);
} else {
// Get the number of bytes allocated from the FrameInfo...
unsigned NumBytes = MFI->getStackSize();
if (NumBytes) { // adjust stack pointer back: ESP += numbytes
- MI =BuildMI(X86::ADDri32, 1, X86::ESP, MOTy::UseAndDef).addZImm(NumBytes);
+ MI =BuildMI(X86::ADD32ri, 1, X86::ESP, MachineOperand::UseAndDef)
+ .addZImm(NumBytes);
MBB.insert(MBBI, MI);
}
}
case Type::IntTyID:
case Type::UIntTyID:
case Type::PointerTyID: return &R32Instance;
-
+
case Type::FloatTyID:
case Type::DoubleTyID: return &RFPInstance;
}
projects / oota-llvm.git / blobdiff