//===- 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
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
-#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetFrameInfo.h"
-#include "Support/CommandLine.h"
-#include "Support/STLExtras.h"
+#include "llvm/Target/TargetMachine.h"
+#include "llvm/Target/TargetOptions.h"
+#include "llvm/Support/CommandLine.h"
+#include "llvm/ADT/STLExtras.h"
+#include <iostream>
+
using namespace llvm;
namespace {
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>
X86RegisterInfo::X86RegisterInfo()
: X86GenRegisterInfo(X86::ADJCALLSTACKDOWN, X86::ADJCALLSTACKUP) {}
-static unsigned getIdx(const TargetRegisterClass *RC) {
- switch (RC->getSize()) {
+static unsigned getIdx(unsigned SpillSize) {
+ switch (SpillSize) {
default: assert(0 && "Invalid data size!");
- case 1: return 0;
- case 2: return 1;
- case 4: return 2;
- case 10: return 3;
+ case 8: return 0;
+ case 16: return 1;
+ case 32: return 2;
+ case 64: return 3; // FP in 64-bit spill mode.
+ case 80: return 4; // FP in 80-bit spill mode.
}
}
-int X86RegisterInfo::storeRegToStackSlot(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator MI,
- unsigned SrcReg, int FrameIdx,
- const TargetRegisterClass *RC) const {
+void X86RegisterInfo::storeRegToStackSlot(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MI,
+ unsigned SrcReg, int FrameIdx) const {
static const unsigned Opcode[] =
- { X86::MOV8mr, X86::MOV16mr, X86::MOV32mr, X86::FSTP80m };
- MachineInstr *I = addFrameReference(BuildMI(Opcode[getIdx(RC)], 5),
- FrameIdx).addReg(SrcReg);
- MBB.insert(MI, I);
- return 1;
+ { X86::MOV8mr, X86::MOV16mr, X86::MOV32mr, X86::FST64m, X86::FSTP80m };
+ unsigned Idx = getIdx(getSpillSize(SrcReg));
+ addFrameReference(BuildMI(MBB, MI, Opcode[Idx], 5), FrameIdx).addReg(SrcReg);
}
-int X86RegisterInfo::loadRegFromStackSlot(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator MI,
- unsigned DestReg, int FrameIdx,
- const TargetRegisterClass *RC) const{
+void X86RegisterInfo::loadRegFromStackSlot(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MI,
+ unsigned DestReg, int FrameIdx)const{
static const unsigned Opcode[] =
- { X86::MOV8rm, X86::MOV16rm, X86::MOV32rm, X86::FLD80m };
- unsigned OC = Opcode[getIdx(RC)];
- MBB.insert(MI, addFrameReference(BuildMI(OC, 4, DestReg), FrameIdx));
- return 1;
+ { X86::MOV8rm, X86::MOV16rm, X86::MOV32rm, X86::FLD64m, X86::FLD80m };
+ unsigned Idx = getIdx(getSpillSize(DestReg));
+ addFrameReference(BuildMI(MBB, MI, Opcode[Idx], 4, DestReg), FrameIdx);
}
-int X86RegisterInfo::copyRegToReg(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator MI,
- unsigned DestReg, unsigned SrcReg,
- const TargetRegisterClass *RC) const {
+void X86RegisterInfo::copyRegToReg(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MI,
+ unsigned DestReg, unsigned SrcReg,
+ const TargetRegisterClass *RC) const {
static const unsigned Opcode[] =
- { X86::MOV8rr, X86::MOV16rr, X86::MOV32rr, X86::FpMOV };
- MBB.insert(MI, BuildMI(Opcode[getIdx(RC)],1,DestReg).addReg(SrcReg));
- return 1;
+ { X86::MOV8rr, X86::MOV16rr, X86::MOV32rr, X86::FpMOV, X86::FpMOV };
+ BuildMI(MBB, MI, Opcode[getIdx(RC->getSize()*8)], 1, DestReg).addReg(SrcReg);
}
static MachineInstr *MakeMInst(unsigned Opcode, unsigned FrameIndex,
static MachineInstr *MakeMRIInst(unsigned Opcode, unsigned FrameIndex,
MachineInstr *MI) {
- return addFrameReference(BuildMI(Opcode, 5), FrameIndex)
+ return addFrameReference(BuildMI(Opcode, 6), FrameIndex)
.addReg(MI->getOperand(1).getReg())
.addZImm(MI->getOperand(2).getImmedValue());
}
static MachineInstr *MakeRMIInst(unsigned Opcode, unsigned FrameIndex,
MachineInstr *MI) {
const MachineOperand& op = MI->getOperand(0);
- return addFrameReference(BuildMI(Opcode, 5, op.getReg(), op.getUseType()),
+ return addFrameReference(BuildMI(Opcode, 6, op.getReg(), op.getUseType()),
FrameIndex).addZImm(MI->getOperand(2).getImmedValue());
}
-bool X86RegisterInfo::foldMemoryOperand(MachineBasicBlock::iterator &MI,
- unsigned i, int FrameIndex) const {
- if (NoFusing) return false;
+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::XCHG8rr: NI = MakeMRInst(X86::XCHG8mr ,FrameIndex, MI); break;
- case X86::XCHG16rr:NI = MakeMRInst(X86::XCHG16mr,FrameIndex, MI); break;
- case X86::XCHG32rr:NI = MakeMRInst(X86::XCHG32mr,FrameIndex, MI); break;
- case X86::MOV8rr: NI = MakeMRInst(X86::MOV8mr , FrameIndex, MI); break;
- case X86::MOV16rr: NI = MakeMRInst(X86::MOV16mr, FrameIndex, MI); break;
- case X86::MOV32rr: NI = MakeMRInst(X86::MOV32mr, FrameIndex, MI); break;
- case X86::MOV8ri: NI = MakeMIInst(X86::MOV8mi , FrameIndex, MI); break;
- case X86::MOV16ri: NI = MakeMIInst(X86::MOV16mi, FrameIndex, MI); break;
- case X86::MOV32ri: NI = MakeMIInst(X86::MOV32mi, FrameIndex, MI); break;
- case X86::MUL8r: NI = MakeMInst( X86::MUL8m , FrameIndex, MI); break;
- case X86::MUL16r: NI = MakeMInst( X86::MUL16m, FrameIndex, MI); break;
- case X86::MUL32r: NI = MakeMInst( X86::MUL32m, FrameIndex, MI); break;
- case X86::DIV8r: NI = MakeMInst( X86::DIV8m , FrameIndex, MI); break;
- case X86::DIV16r: NI = MakeMInst( X86::DIV16m, FrameIndex, MI); break;
- case X86::DIV32r: NI = MakeMInst( X86::DIV32m, FrameIndex, MI); break;
- case X86::IDIV8r: NI = MakeMInst( X86::IDIV8m , FrameIndex, MI); break;
- case X86::IDIV16r: NI = MakeMInst( X86::IDIV16m, FrameIndex, MI); break;
- case X86::IDIV32r: NI = MakeMInst( X86::IDIV32m, FrameIndex, MI); break;
- case X86::NEG8r: NI = MakeMInst( X86::NEG8m , FrameIndex, MI); break;
- case X86::NEG16r: NI = MakeMInst( X86::NEG16m, FrameIndex, MI); break;
- case X86::NEG32r: NI = MakeMInst( X86::NEG32m, FrameIndex, MI); break;
- case X86::NOT8r: NI = MakeMInst( X86::NOT8m , FrameIndex, MI); break;
- case X86::NOT16r: NI = MakeMInst( X86::NOT16m, FrameIndex, MI); break;
- case X86::NOT32r: NI = MakeMInst( X86::NOT32m, FrameIndex, MI); break;
- case X86::INC8r: NI = MakeMInst( X86::INC8m , FrameIndex, MI); break;
- case X86::INC16r: NI = MakeMInst( X86::INC16m, FrameIndex, MI); break;
- case X86::INC32r: NI = MakeMInst( X86::INC32m, FrameIndex, MI); break;
- case X86::DEC8r: NI = MakeMInst( X86::DEC8m , FrameIndex, MI); break;
- case X86::DEC16r: NI = MakeMInst( X86::DEC16m, FrameIndex, MI); break;
- case X86::DEC32r: NI = MakeMInst( X86::DEC32m, FrameIndex, MI); break;
- case X86::ADD8rr: NI = MakeMRInst(X86::ADD8mr , FrameIndex, MI); break;
- case X86::ADD16rr: NI = MakeMRInst(X86::ADD16mr, FrameIndex, MI); break;
- case X86::ADD32rr: NI = MakeMRInst(X86::ADD32mr, FrameIndex, MI); break;
- case X86::ADC32rr: NI = MakeMRInst(X86::ADC32mr, FrameIndex, MI); break;
- case X86::ADD8ri: NI = MakeMIInst(X86::ADD8mi , FrameIndex, MI); break;
- case X86::ADD16ri: NI = MakeMIInst(X86::ADD16mi, FrameIndex, MI); break;
- case X86::ADD32ri: NI = MakeMIInst(X86::ADD32mi, FrameIndex, MI); break;
- case X86::SUB8rr: NI = MakeMRInst(X86::SUB8mr , FrameIndex, MI); break;
- case X86::SUB16rr: NI = MakeMRInst(X86::SUB16mr, FrameIndex, MI); break;
- case X86::SUB32rr: NI = MakeMRInst(X86::SUB32mr, FrameIndex, MI); break;
- case X86::SBB32rr: NI = MakeMRInst(X86::SBB32mr, FrameIndex, MI); break;
- case X86::SUB8ri: NI = MakeMIInst(X86::SUB8mi , FrameIndex, MI); break;
- case X86::SUB16ri: NI = MakeMIInst(X86::SUB16mi, FrameIndex, MI); break;
- case X86::SUB32ri: NI = MakeMIInst(X86::SUB32mi, FrameIndex, MI); break;
- case X86::AND8rr: NI = MakeMRInst(X86::AND8mr , FrameIndex, MI); break;
- case X86::AND16rr: NI = MakeMRInst(X86::AND16mr, FrameIndex, MI); break;
- case X86::AND32rr: NI = MakeMRInst(X86::AND32mr, FrameIndex, MI); break;
- case X86::AND8ri: NI = MakeMIInst(X86::AND8mi , FrameIndex, MI); break;
- case X86::AND16ri: NI = MakeMIInst(X86::AND16mi, FrameIndex, MI); break;
- case X86::AND32ri: NI = MakeMIInst(X86::AND32mi, FrameIndex, MI); break;
- case X86::OR8rr: NI = MakeMRInst(X86::OR8mr , FrameIndex, MI); break;
- case X86::OR16rr: NI = MakeMRInst(X86::OR16mr, FrameIndex, MI); break;
- case X86::OR32rr: NI = MakeMRInst(X86::OR32mr, FrameIndex, MI); break;
- case X86::OR8ri: NI = MakeMIInst(X86::OR8mi , FrameIndex, MI); break;
- case X86::OR16ri: NI = MakeMIInst(X86::OR16mi, FrameIndex, MI); break;
- case X86::OR32ri: NI = MakeMIInst(X86::OR32mi, FrameIndex, MI); break;
- case X86::XOR8rr: NI = MakeMRInst(X86::XOR8mr , FrameIndex, MI); break;
- case X86::XOR16rr: NI = MakeMRInst(X86::XOR16mr, FrameIndex, MI); break;
- case X86::XOR32rr: NI = MakeMRInst(X86::XOR32mr, FrameIndex, MI); break;
- case X86::XOR8ri: NI = MakeMIInst(X86::XOR8mi , FrameIndex, MI); break;
- case X86::XOR16ri: NI = MakeMIInst(X86::XOR16mi, FrameIndex, MI); break;
- case X86::XOR32ri: NI = MakeMIInst(X86::XOR32mi, FrameIndex, MI); break;
- case X86::SHL8rCL: NI = MakeMInst( X86::SHL8mCL ,FrameIndex, MI); break;
- case X86::SHL16rCL:NI = MakeMInst( X86::SHL16mCL,FrameIndex, MI); break;
- case X86::SHL32rCL:NI = MakeMInst( X86::SHL32mCL,FrameIndex, MI); break;
- case X86::SHL8ri: NI = MakeMIInst(X86::SHL8mi , FrameIndex, MI); break;
- case X86::SHL16ri: NI = MakeMIInst(X86::SHL16mi, FrameIndex, MI); break;
- case X86::SHL32ri: NI = MakeMIInst(X86::SHL32mi, FrameIndex, MI); break;
- case X86::SHR8rCL: NI = MakeMInst( X86::SHR8mCL ,FrameIndex, MI); break;
- case X86::SHR16rCL:NI = MakeMInst( X86::SHR16mCL,FrameIndex, MI); break;
- case X86::SHR32rCL:NI = MakeMInst( X86::SHR32mCL,FrameIndex, MI); break;
- case X86::SHR8ri: NI = MakeMIInst(X86::SHR8mi , FrameIndex, MI); break;
- case X86::SHR16ri: NI = MakeMIInst(X86::SHR16mi, FrameIndex, MI); break;
- case X86::SHR32ri: NI = MakeMIInst(X86::SHR32mi, FrameIndex, MI); break;
- case X86::SAR8rCL: NI = MakeMInst( X86::SAR8mCL ,FrameIndex, MI); break;
- case X86::SAR16rCL:NI = MakeMInst( X86::SAR16mCL,FrameIndex, MI); break;
- case X86::SAR32rCL:NI = MakeMInst( X86::SAR32mCL,FrameIndex, MI); break;
- case X86::SAR8ri: NI = MakeMIInst(X86::SAR8mi , FrameIndex, MI); break;
- case X86::SAR16ri: NI = MakeMIInst(X86::SAR16mi, FrameIndex, MI); break;
- case X86::SAR32ri: NI = MakeMIInst(X86::SAR32mi, FrameIndex, MI); break;
- case X86::SHLD32rrCL:NI = MakeMRInst( X86::SHLD32mrCL,FrameIndex, MI);break;
- case X86::SHLD32rri8:NI = MakeMRIInst(X86::SHLD32mri8,FrameIndex, MI);break;
- case X86::SHRD32rrCL:NI = MakeMRInst( X86::SHRD32mrCL,FrameIndex, MI);break;
- case X86::SHRD32rri8:NI = MakeMRIInst(X86::SHRD32mri8,FrameIndex, MI);break;
- case X86::SETBr: NI = MakeMInst( X86::SETBm, FrameIndex, MI); break;
- case X86::SETAEr: NI = MakeMInst( X86::SETAEm, FrameIndex, MI); break;
- case X86::SETEr: NI = MakeMInst( X86::SETEm, FrameIndex, MI); break;
- case X86::SETNEr: NI = MakeMInst( X86::SETNEm, FrameIndex, MI); break;
- case X86::SETBEr: NI = MakeMInst( X86::SETBEm, FrameIndex, MI); break;
- case X86::SETAr: NI = MakeMInst( X86::SETAm, FrameIndex, MI); break;
- case X86::SETSr: NI = MakeMInst( X86::SETSm, FrameIndex, MI); break;
- case X86::SETNSr: NI = MakeMInst( X86::SETNSm, FrameIndex, MI); break;
- case X86::SETLr: NI = MakeMInst( X86::SETLm, FrameIndex, MI); break;
- case X86::SETGEr: NI = MakeMInst( X86::SETGEm, FrameIndex, MI); break;
- case X86::SETLEr: NI = MakeMInst( X86::SETLEm, FrameIndex, MI); break;
- case X86::SETGr: NI = MakeMInst( X86::SETGm, FrameIndex, MI); break;
- case X86::TEST8rr: NI = MakeMRInst(X86::TEST8mr ,FrameIndex, MI); break;
- case X86::TEST16rr:NI = MakeMRInst(X86::TEST16mr,FrameIndex, MI); break;
- case X86::TEST32rr:NI = MakeMRInst(X86::TEST32mr,FrameIndex, MI); break;
- case X86::TEST8ri: NI = MakeMIInst(X86::TEST8mi ,FrameIndex, MI); break;
- case X86::TEST16ri:NI = MakeMIInst(X86::TEST16mi,FrameIndex, MI); break;
- case X86::TEST32ri:NI = MakeMIInst(X86::TEST32mi,FrameIndex, MI); break;
- case X86::CMP8rr: NI = MakeMRInst(X86::CMP8mr , FrameIndex, MI); break;
- case X86::CMP16rr: NI = MakeMRInst(X86::CMP16mr, FrameIndex, MI); break;
- case X86::CMP32rr: NI = MakeMRInst(X86::CMP32mr, FrameIndex, MI); break;
- case X86::CMP8ri: NI = MakeMIInst(X86::CMP8mi , FrameIndex, MI); break;
- case X86::CMP16ri: NI = MakeMIInst(X86::CMP16mi, FrameIndex, MI); break;
- case X86::CMP32ri: NI = MakeMIInst(X86::CMP32mi, FrameIndex, MI); break;
- default: break; // 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::IMUL8r: return MakeMInst( X86::IMUL8m , FrameIndex, MI);
+ case X86::IMUL16r: return MakeMInst( X86::IMUL16m, FrameIndex, MI);
+ case X86::IMUL32r: return MakeMInst( X86::IMUL32m, 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::SBB8ri: return MakeMIInst(X86::SBB8mi, FrameIndex, MI);
+ case X86::SBB16ri: return MakeMIInst(X86::SBB16mi, 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::ROL8rCL: return MakeMInst( X86::ROL8mCL ,FrameIndex, MI);
+ case X86::ROL16rCL: return MakeMInst( X86::ROL16mCL,FrameIndex, MI);
+ case X86::ROL32rCL: return MakeMInst( X86::ROL32mCL,FrameIndex, MI);
+ case X86::ROL8ri: return MakeMIInst(X86::ROL8mi , FrameIndex, MI);
+ case X86::ROL16ri: return MakeMIInst(X86::ROL16mi, FrameIndex, MI);
+ case X86::ROL32ri: return MakeMIInst(X86::ROL32mi, FrameIndex, MI);
+ case X86::ROR8rCL: return MakeMInst( X86::ROR8mCL ,FrameIndex, MI);
+ case X86::ROR16rCL: return MakeMInst( X86::ROR16mCL,FrameIndex, MI);
+ case X86::ROR32rCL: return MakeMInst( X86::ROR32mCL,FrameIndex, MI);
+ case X86::ROR8ri: return MakeMIInst(X86::ROR8mi , FrameIndex, MI);
+ case X86::ROR16ri: return MakeMIInst(X86::ROR16mi, FrameIndex, MI);
+ case X86::ROR32ri: return MakeMIInst(X86::ROR32mi, 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::SHLD16rrCL:return MakeMRInst( X86::SHLD16mrCL,FrameIndex, MI);
+ case X86::SHLD16rri8:return MakeMRIInst(X86::SHLD16mri8,FrameIndex, MI);
+ case X86::SHRD16rrCL:return MakeMRInst( X86::SHRD16mrCL,FrameIndex, MI);
+ case X86::SHRD16rri8:return MakeMRIInst(X86::SHRD16mri8,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::SETPr: return MakeMInst( X86::SETPm, FrameIndex, MI);
+ case X86::SETNPr: return MakeMInst( X86::SETNPm, 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::XCHG8rr: NI = MakeRMInst(X86::XCHG8rm ,FrameIndex, MI); break;
- case X86::XCHG16rr:NI = MakeRMInst(X86::XCHG16rm,FrameIndex, MI); break;
- case X86::XCHG32rr:NI = MakeRMInst(X86::XCHG32rm,FrameIndex, MI); break;
- case X86::MOV8rr: NI = MakeRMInst(X86::MOV8rm , FrameIndex, MI); break;
- case X86::MOV16rr: NI = MakeRMInst(X86::MOV16rm, FrameIndex, MI); break;
- case X86::MOV32rr: NI = MakeRMInst(X86::MOV32rm, FrameIndex, MI); break;
- case X86::CMOVE16rr: NI = MakeRMInst(X86::CMOVE16rm , FrameIndex, MI); break;
- case X86::CMOVNE32rr: NI = MakeRMInst(X86::CMOVNE32rm, FrameIndex, MI); break;
- case X86::CMOVS32rr: NI = MakeRMInst(X86::CMOVS32rm , FrameIndex, MI); break;
- case X86::ADD8rr: NI = MakeRMInst(X86::ADD8rm , FrameIndex, MI); break;
- case X86::ADD16rr: NI = MakeRMInst(X86::ADD16rm, FrameIndex, MI); break;
- case X86::ADD32rr: NI = MakeRMInst(X86::ADD32rm, FrameIndex, MI); break;
- case X86::ADC32rr: NI = MakeRMInst(X86::ADC32rm, FrameIndex, MI); break;
- case X86::SUB8rr: NI = MakeRMInst(X86::SUB8rm , FrameIndex, MI); break;
- case X86::SUB16rr: NI = MakeRMInst(X86::SUB16rm, FrameIndex, MI); break;
- case X86::SUB32rr: NI = MakeRMInst(X86::SUB32rm, FrameIndex, MI); break;
- case X86::SBB32rr: NI = MakeRMInst(X86::SBB32rm, FrameIndex, MI); break;
- case X86::AND8rr: NI = MakeRMInst(X86::AND8rm , FrameIndex, MI); break;
- case X86::AND16rr: NI = MakeRMInst(X86::AND16rm, FrameIndex, MI); break;
- case X86::AND32rr: NI = MakeRMInst(X86::AND32rm, FrameIndex, MI); break;
- case X86::OR8rr: NI = MakeRMInst(X86::OR8rm , FrameIndex, MI); break;
- case X86::OR16rr: NI = MakeRMInst(X86::OR16rm, FrameIndex, MI); break;
- case X86::OR32rr: NI = MakeRMInst(X86::OR32rm, FrameIndex, MI); break;
- case X86::XOR8rr: NI = MakeRMInst(X86::XOR8rm , FrameIndex, MI); break;
- case X86::XOR16rr: NI = MakeRMInst(X86::XOR16rm, FrameIndex, MI); break;
- case X86::XOR32rr: NI = MakeRMInst(X86::XOR32rm, FrameIndex, MI); break;
- case X86::TEST8rr: NI = MakeRMInst(X86::TEST8rm ,FrameIndex, MI); break;
- case X86::TEST16rr:NI = MakeRMInst(X86::TEST16rm,FrameIndex, MI); break;
- case X86::TEST32rr:NI = MakeRMInst(X86::TEST32rm,FrameIndex, MI); break;
- case X86::IMUL16rr:NI = MakeRMInst(X86::IMUL16rm,FrameIndex, MI); break;
- case X86::IMUL32rr:NI = MakeRMInst(X86::IMUL32rm,FrameIndex, MI); break;
- case X86::IMUL16rri: NI = MakeRMIInst(X86::IMUL16rmi, FrameIndex, MI);break;
- case X86::IMUL32rri: NI = MakeRMIInst(X86::IMUL32rmi, FrameIndex, MI);break;
- case X86::CMP8rr: NI = MakeRMInst(X86::CMP8rm , FrameIndex, MI); break;
- case X86::CMP16rr: NI = MakeRMInst(X86::CMP16rm, FrameIndex, MI); break;
- case X86::CMP32rr: NI = MakeRMInst(X86::CMP32rm, FrameIndex, MI); break;
- case X86::MOVSX16rr8: NI = MakeRMInst(X86::MOVSX16rm8 , FrameIndex, MI); break;
- case X86::MOVSX32rr8: NI = MakeRMInst(X86::MOVSX32rm8, FrameIndex, MI); break;
- case X86::MOVSX32rr16:NI = MakeRMInst(X86::MOVSX32rm16, FrameIndex, MI); break;
- case X86::MOVZX16rr8: NI = MakeRMInst(X86::MOVZX16rm8 , FrameIndex, MI); break;
- case X86::MOVZX32rr8: NI = MakeRMInst(X86::MOVZX32rm8, FrameIndex, MI); break;
- case X86::MOVZX32rr16:NI = MakeRMInst(X86::MOVZX32rm16, FrameIndex, MI); break;
- default: break;
+ 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::CMOVP16rr: return MakeRMInst(X86::CMOVP16rm , FrameIndex, MI);
+ case X86::CMOVP32rr: return MakeRMInst(X86::CMOVP32rm , FrameIndex, MI);
+ case X86::CMOVNP16rr: return MakeRMInst(X86::CMOVNP16rm , FrameIndex, MI);
+ case X86::CMOVNP32rr: return MakeRMInst(X86::CMOVNP32rm , 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);
}
}
- if (NI) {
- MI = MBB.insert(MBB.erase(MI), NI);
- return true;
- } else {
- if (PrintFailedFusing)
- std::cerr << "We failed to fuse: " << *MI;
- return false;
- }
+ if (PrintFailedFusing)
+ std::cerr << "We failed to fuse: " << *MI;
+ return NULL;
}
//===----------------------------------------------------------------------===//
// if frame pointer elimination is disabled.
//
static bool hasFP(MachineFunction &MF) {
- return NoFPElim || MF.getFrameInfo()->hasVarSizedObjects();
+ return NoFramePointerElim || MF.getFrameInfo()->hasVarSizedObjects();
}
void X86RegisterInfo::
// We need to keep the stack aligned properly. To do this, we round the
// amount of space needed for the outgoing arguments up to the next
// alignment boundary.
- unsigned Align = MF.getTarget().getFrameInfo().getStackAlignment();
+ unsigned Align = MF.getTarget().getFrameInfo()->getStackAlignment();
Amount = (Amount+Align-1)/Align*Align;
MachineInstr *New;
MBB.erase(I);
}
-void X86RegisterInfo::eliminateFrameIndex(MachineFunction &MF,
- MachineBasicBlock::iterator II) const {
+void X86RegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II) const{
unsigned i = 0;
MachineInstr &MI = *II;
+ MachineFunction &MF = *MI.getParent()->getParent();
while (!MI.getOperand(i).isFrameIndex()) {
++i;
assert(i < MI.getNumOperands() && "Instr doesn't have FrameIndex operand!");
// 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();
+ unsigned Align = MF.getTarget().getFrameInfo()->getStackAlignment();
NumBytes = ((NumBytes+4)+Align-1)/Align*Align - 4;
}
// 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::MOV32rr, 1,X86::ESP).addReg(X86::EBP);
MBB.insert(MBBI, MI);
const TargetRegisterClass*
X86RegisterInfo::getRegClassForType(const Type* Ty) const {
- switch (Ty->getPrimitiveID()) {
+ switch (Ty->getTypeID()) {
case Type::LongTyID:
case Type::ULongTyID: assert(0 && "Long values can't fit in registers!");
default: assert(0 && "Invalid type to getClass!");
case Type::IntTyID:
case Type::UIntTyID:
case Type::PointerTyID: return &R32Instance;
-
+
case Type::FloatTyID:
case Type::DoubleTyID: return &RFPInstance;
}