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Unified Diff: src/IceInstX86BaseImpl.h

Issue 1419903002: Subzero: Refactor x86 register definitions to use the alias mechanism. (Closed) Base URL: https://chromium.googlesource.com/native_client/pnacl-subzero.git@master
Patch Set: Add some comments Created 5 years, 2 months ago
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« src/IceInstARM32.cpp ('K') | « src/IceInstX86Base.h ('k') | src/IceIntrinsics.h » ('j') | src/IceTargetLoweringX8664Traits.h » ('J')
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Index: src/IceInstX86BaseImpl.h
diff --git a/src/IceInstX86BaseImpl.h b/src/IceInstX86BaseImpl.h
index 056ecfe4ff2263484106f3766561e7b0c8cdc4df..656cc72446e2b4e9f33bb5cbb19b02f40733eb7c 100644
--- a/src/IceInstX86BaseImpl.h
+++ b/src/IceInstX86BaseImpl.h
@@ -206,7 +206,7 @@ InstX86Cmpxchg<Machine>::InstX86Cmpxchg(Cfg *Func, Operand *DestOrAddr,
: InstX86BaseLockable<Machine>(Func, InstX86Base<Machine>::Cmpxchg, 3,
llvm::dyn_cast<Variable>(DestOrAddr),
Locked) {
- assert(Eax->getRegNum() ==
+ assert(InstX86Base<Machine>::Traits::getBaseReg(Eax->getRegNum()) ==
InstX86Base<Machine>::Traits::RegisterSet::Reg_eax);
this->addSource(DestOrAddr);
this->addSource(Eax);
@@ -521,10 +521,9 @@ void InstX86Jmp<Machine>::emitIAS(const Cfg *Func) const {
typename InstX86Base<Machine>::Traits::Assembler *Asm =
Func->getAssembler<typename InstX86Base<Machine>::Traits::Assembler>();
Operand *Target = getJmpTarget();
- if (const auto Var = llvm::dyn_cast<Variable>(Target)) {
+ if (const auto *Var = llvm::dyn_cast<Variable>(Target)) {
if (Var->hasReg()) {
- Asm->jmp(InstX86Base<Machine>::Traits::RegisterSet::getEncodedGPR(
- Var->getRegNum()));
+ Asm->jmp(InstX86Base<Machine>::Traits::getEncodedGPR(Var->getRegNum()));
} else {
// The jmp instruction with a memory operand should be possible to
// encode, but it isn't a valid sandboxed instruction, and there
@@ -532,17 +531,17 @@ void InstX86Jmp<Machine>::emitIAS(const Cfg *Func) const {
// register, so we don't really need to bother implementing it.
llvm::report_fatal_error("Assembler can't jmp to memory operand");
}
- } else if (const auto Mem = llvm::dyn_cast<
+ } else if (const auto *Mem = llvm::dyn_cast<
typename InstX86Base<Machine>::Traits::X86OperandMem>(
Target)) {
(void)Mem;
assert(Mem->getSegmentRegister() ==
InstX86Base<Machine>::Traits::X86OperandMem::DefaultSegment);
llvm::report_fatal_error("Assembler can't jmp to memory operand");
- } else if (const auto CR = llvm::dyn_cast<ConstantRelocatable>(Target)) {
+ } else if (const auto *CR = llvm::dyn_cast<ConstantRelocatable>(Target)) {
assert(CR->getOffset() == 0 && "We only support jumping to a function");
Asm->jmp(CR);
- } else if (const auto Imm = llvm::dyn_cast<ConstantInteger32>(Target)) {
+ } else if (const auto *Imm = llvm::dyn_cast<ConstantInteger32>(Target)) {
// NaCl trampoline calls refer to an address within the sandbox directly.
// This is usually only needed for non-IRT builds and otherwise not very
// portable or stable. Usually this is only done for "calls" and not jumps.
@@ -570,7 +569,7 @@ void InstX86Call<Machine>::emit(const Cfg *Func) const {
Ostream &Str = Func->getContext()->getStrEmit();
assert(this->getSrcSize() == 1);
Str << "\tcall\t";
- if (const auto CI = llvm::dyn_cast<ConstantInteger32>(getCallTarget())) {
+ if (const auto *CI = llvm::dyn_cast<ConstantInteger32>(getCallTarget())) {
// Emit without a leading '$'.
Str << CI->getValue();
} else if (const auto CallTarget =
@@ -588,26 +587,25 @@ void InstX86Call<Machine>::emitIAS(const Cfg *Func) const {
typename InstX86Base<Machine>::Traits::Assembler *Asm =
Func->getAssembler<typename InstX86Base<Machine>::Traits::Assembler>();
Operand *Target = getCallTarget();
- if (const auto Var = llvm::dyn_cast<Variable>(Target)) {
+ if (const auto *Var = llvm::dyn_cast<Variable>(Target)) {
if (Var->hasReg()) {
- Asm->call(InstX86Base<Machine>::Traits::RegisterSet::getEncodedGPR(
- Var->getRegNum()));
+ Asm->call(InstX86Base<Machine>::Traits::getEncodedGPR(Var->getRegNum()));
} else {
Asm->call(
static_cast<typename InstX86Base<Machine>::Traits::TargetLowering *>(
Func->getTarget())
->stackVarToAsmOperand(Var));
}
- } else if (const auto Mem = llvm::dyn_cast<
+ } else if (const auto *Mem = llvm::dyn_cast<
typename InstX86Base<Machine>::Traits::X86OperandMem>(
Target)) {
assert(Mem->getSegmentRegister() ==
InstX86Base<Machine>::Traits::X86OperandMem::DefaultSegment);
Asm->call(Mem->toAsmAddress(Asm));
- } else if (const auto CR = llvm::dyn_cast<ConstantRelocatable>(Target)) {
+ } else if (const auto *CR = llvm::dyn_cast<ConstantRelocatable>(Target)) {
assert(CR->getOffset() == 0 && "We only support calling a function");
Asm->call(CR);
- } else if (const auto Imm = llvm::dyn_cast<ConstantInteger32>(Target)) {
+ } else if (const auto *Imm = llvm::dyn_cast<ConstantInteger32>(Target)) {
Asm->call(Immediate(Imm->getValue()));
} else {
llvm_unreachable("Unexpected operand type");
@@ -628,12 +626,11 @@ void InstX86Call<Machine>::dump(const Cfg *Func) const {
getCallTarget()->dump(Func);
}
-// The ShiftHack parameter is used to emit "cl" instead of "ecx" for shift
-// instructions, in order to be syntactically valid. The this->Opcode parameter
-// needs to be char* and not IceString because of template issues.
+// The this->Opcode parameter needs to be char* and not IceString because of
+// template issues.
template <class Machine>
void InstX86Base<Machine>::emitTwoAddress(const char *Opcode, const Inst *Inst,
- const Cfg *Func, bool ShiftHack) {
+ const Cfg *Func) {
if (!BuildDefs::dump())
return;
Ostream &Str = Func->getContext()->getStrEmit();
@@ -645,13 +642,7 @@ void InstX86Base<Machine>::emitTwoAddress(const char *Opcode, const Inst *Inst,
Operand *Src1 = Inst->getSrc(1);
Str << "\t" << Opcode << InstX86Base<Machine>::getWidthString(Dest->getType())
<< "\t";
- const auto ShiftReg = llvm::dyn_cast<Variable>(Src1);
- if (ShiftHack && ShiftReg &&
- ShiftReg->getRegNum() ==
- InstX86Base<Machine>::Traits::RegisterSet::Reg_ecx)
- Str << "%cl";
- else
- Src1->emit(Func);
+ Src1->emit(Func);
Str << ", ";
Dest->emit(Func);
}
@@ -662,12 +653,11 @@ void emitIASOpTyGPR(const Cfg *Func, Type Ty, const Operand *Op,
Machine>::Traits::Assembler::GPREmitterOneOp &Emitter) {
typename InstX86Base<Machine>::Traits::Assembler *Asm =
Func->getAssembler<typename InstX86Base<Machine>::Traits::Assembler>();
- if (const auto Var = llvm::dyn_cast<Variable>(Op)) {
+ if (const auto *Var = llvm::dyn_cast<Variable>(Op)) {
if (Var->hasReg()) {
// We cheat a little and use GPRRegister even for byte operations.
typename InstX86Base<Machine>::Traits::RegisterSet::GPRRegister VarReg =
- InstX86Base<Machine>::Traits::RegisterSet::getEncodedByteRegOrGPR(
- Ty, Var->getRegNum());
+ InstX86Base<Machine>::Traits::getEncodedGPR(Var->getRegNum());
(Asm->*(Emitter.Reg))(Ty, VarReg);
} else {
typename InstX86Base<Machine>::Traits::Address StackAddr(
@@ -676,7 +666,7 @@ void emitIASOpTyGPR(const Cfg *Func, Type Ty, const Operand *Op,
->stackVarToAsmOperand(Var));
(Asm->*(Emitter.Addr))(Ty, StackAddr);
}
- } else if (const auto Mem = llvm::dyn_cast<
+ } else if (const auto *Mem = llvm::dyn_cast<
typename InstX86Base<Machine>::Traits::X86OperandMem>(Op)) {
Mem->emitSegmentOverride(Asm);
(Asm->*(Emitter.Addr))(Ty, Mem->toAsmAddress(Asm));
@@ -696,17 +686,14 @@ void emitIASRegOpTyGPR(
// We cheat a little and use GPRRegister even for byte operations.
typename InstX86Base<Machine>::Traits::RegisterSet::GPRRegister VarReg =
VarCanBeByte
- ? InstX86Base<Machine>::Traits::RegisterSet::getEncodedByteRegOrGPR(
- Ty, Var->getRegNum())
- : InstX86Base<Machine>::Traits::RegisterSet::getEncodedGPR(
- Var->getRegNum());
- if (const auto SrcVar = llvm::dyn_cast<Variable>(Src)) {
+ ? InstX86Base<Machine>::Traits::getEncodedGPR(Var->getRegNum())
+ : InstX86Base<Machine>::Traits::getEncodedGPR(Var->getRegNum());
+ if (const auto *SrcVar = llvm::dyn_cast<Variable>(Src)) {
if (SrcVar->hasReg()) {
typename InstX86Base<Machine>::Traits::RegisterSet::GPRRegister SrcReg =
SrcCanBeByte
- ? InstX86Base<Machine>::Traits::RegisterSet::
- getEncodedByteRegOrGPR(Ty, SrcVar->getRegNum())
- : InstX86Base<Machine>::Traits::RegisterSet::getEncodedGPR(
+ ? InstX86Base<Machine>::Traits::getEncodedGPR(SrcVar->getRegNum())
+ : InstX86Base<Machine>::Traits::getEncodedGPR(
SrcVar->getRegNum());
(Asm->*(Emitter.GPRGPR))(Ty, VarReg, SrcReg);
} else {
@@ -716,17 +703,17 @@ void emitIASRegOpTyGPR(
->stackVarToAsmOperand(SrcVar);
(Asm->*(Emitter.GPRAddr))(Ty, VarReg, SrcStackAddr);
}
- } else if (const auto Mem = llvm::dyn_cast<
+ } else if (const auto *Mem = llvm::dyn_cast<
typename InstX86Base<Machine>::Traits::X86OperandMem>(Src)) {
Mem->emitSegmentOverride(Asm);
(Asm->*(Emitter.GPRAddr))(Ty, VarReg, Mem->toAsmAddress(Asm));
- } else if (const auto Imm = llvm::dyn_cast<ConstantInteger32>(Src)) {
+ } else if (const auto *Imm = llvm::dyn_cast<ConstantInteger32>(Src)) {
(Asm->*(Emitter.GPRImm))(Ty, VarReg, Immediate(Imm->getValue()));
- } else if (const auto Reloc = llvm::dyn_cast<ConstantRelocatable>(Src)) {
+ } else if (const auto *Reloc = llvm::dyn_cast<ConstantRelocatable>(Src)) {
AssemblerFixup *Fixup =
Asm->createFixup(InstX86Base<Machine>::Traits::RelFixup, Reloc);
(Asm->*(Emitter.GPRImm))(Ty, VarReg, Immediate(Reloc->getOffset(), Fixup));
- } else if (const auto Split = llvm::dyn_cast<
+ } else if (const auto *Split = llvm::dyn_cast<
typename InstX86Base<Machine>::Traits::VariableSplit>(Src)) {
(Asm->*(Emitter.GPRAddr))(Ty, VarReg, Split->toAsmAddress(Func));
} else {
@@ -744,15 +731,14 @@ void emitIASAddrOpTyGPR(
typename InstX86Base<Machine>::Traits::Assembler *Asm =
Func->getAssembler<typename InstX86Base<Machine>::Traits::Assembler>();
// Src can only be Reg or Immediate.
- if (const auto SrcVar = llvm::dyn_cast<Variable>(Src)) {
+ if (const auto *SrcVar = llvm::dyn_cast<Variable>(Src)) {
assert(SrcVar->hasReg());
typename InstX86Base<Machine>::Traits::RegisterSet::GPRRegister SrcReg =
- InstX86Base<Machine>::Traits::RegisterSet::getEncodedByteRegOrGPR(
- Ty, SrcVar->getRegNum());
+ InstX86Base<Machine>::Traits::getEncodedGPR(SrcVar->getRegNum());
(Asm->*(Emitter.AddrGPR))(Ty, Addr, SrcReg);
- } else if (const auto Imm = llvm::dyn_cast<ConstantInteger32>(Src)) {
+ } else if (const auto *Imm = llvm::dyn_cast<ConstantInteger32>(Src)) {
(Asm->*(Emitter.AddrImm))(Ty, Addr, Immediate(Imm->getValue()));
- } else if (const auto Reloc = llvm::dyn_cast<ConstantRelocatable>(Src)) {
+ } else if (const auto *Reloc = llvm::dyn_cast<ConstantRelocatable>(Src)) {
AssemblerFixup *Fixup =
Asm->createFixup(InstX86Base<Machine>::Traits::RelFixup, Reloc);
(Asm->*(Emitter.AddrImm))(Ty, Addr, Immediate(Reloc->getOffset(), Fixup));
@@ -766,21 +752,21 @@ void emitIASAsAddrOpTyGPR(
const Cfg *Func, Type Ty, const Operand *Op0, const Operand *Op1,
const typename InstX86Base<Machine>::Traits::Assembler::GPREmitterAddrOp
&Emitter) {
- if (const auto Op0Var = llvm::dyn_cast<Variable>(Op0)) {
+ if (const auto *Op0Var = llvm::dyn_cast<Variable>(Op0)) {
assert(!Op0Var->hasReg());
typename InstX86Base<Machine>::Traits::Address StackAddr(
static_cast<typename InstX86Base<Machine>::Traits::TargetLowering *>(
Func->getTarget())
->stackVarToAsmOperand(Op0Var));
emitIASAddrOpTyGPR<Machine>(Func, Ty, StackAddr, Op1, Emitter);
- } else if (const auto Op0Mem = llvm::dyn_cast<
+ } else if (const auto *Op0Mem = llvm::dyn_cast<
typename InstX86Base<Machine>::Traits::X86OperandMem>(Op0)) {
typename InstX86Base<Machine>::Traits::Assembler *Asm =
Func->getAssembler<typename InstX86Base<Machine>::Traits::Assembler>();
Op0Mem->emitSegmentOverride(Asm);
emitIASAddrOpTyGPR<Machine>(Func, Ty, Op0Mem->toAsmAddress(Asm), Op1,
Emitter);
- } else if (const auto Split = llvm::dyn_cast<
+ } else if (const auto *Split = llvm::dyn_cast<
typename InstX86Base<Machine>::Traits::VariableSplit>(Op0)) {
emitIASAddrOpTyGPR<Machine>(Func, Ty, Split->toAsmAddress(Func), Op1,
Emitter);
@@ -801,16 +787,14 @@ void InstX86Base<Machine>::emitIASGPRShift(
assert(Var->hasReg());
// We cheat a little and use GPRRegister even for byte operations.
typename InstX86Base<Machine>::Traits::RegisterSet::GPRRegister VarReg =
- InstX86Base<Machine>::Traits::RegisterSet::getEncodedByteRegOrGPR(
- Ty, Var->getRegNum());
+ InstX86Base<Machine>::Traits::getEncodedGPR(Var->getRegNum());
// Src must be reg == ECX or an Imm8. This is asserted by the assembler.
- if (const auto SrcVar = llvm::dyn_cast<Variable>(Src)) {
+ if (const auto *SrcVar = llvm::dyn_cast<Variable>(Src)) {
assert(SrcVar->hasReg());
typename InstX86Base<Machine>::Traits::RegisterSet::GPRRegister SrcReg =
- InstX86Base<Machine>::Traits::RegisterSet::getEncodedByteRegOrGPR(
- Ty, SrcVar->getRegNum());
+ InstX86Base<Machine>::Traits::getEncodedGPR(SrcVar->getRegNum());
(Asm->*(Emitter.GPRGPR))(Ty, VarReg, SrcReg);
- } else if (const auto Imm = llvm::dyn_cast<ConstantInteger32>(Src)) {
+ } else if (const auto *Imm = llvm::dyn_cast<ConstantInteger32>(Src)) {
(Asm->*(Emitter.GPRImm))(Ty, VarReg, Immediate(Imm->getValue()));
} else {
llvm_unreachable("Unexpected operand type");
@@ -828,22 +812,20 @@ void emitIASGPRShiftDouble(
// Dest can be reg or mem, but we only use the reg variant.
assert(Dest->hasReg());
typename InstX86Base<Machine>::Traits::RegisterSet::GPRRegister DestReg =
- InstX86Base<Machine>::Traits::RegisterSet::getEncodedGPR(
- Dest->getRegNum());
+ InstX86Base<Machine>::Traits::getEncodedGPR(Dest->getRegNum());
// SrcVar1 must be reg.
- const auto SrcVar1 = llvm::cast<Variable>(Src1Op);
+ const auto *SrcVar1 = llvm::cast<Variable>(Src1Op);
assert(SrcVar1->hasReg());
typename InstX86Base<Machine>::Traits::RegisterSet::GPRRegister SrcReg =
- InstX86Base<Machine>::Traits::RegisterSet::getEncodedGPR(
- SrcVar1->getRegNum());
+ InstX86Base<Machine>::Traits::getEncodedGPR(SrcVar1->getRegNum());
Type Ty = SrcVar1->getType();
// Src2 can be the implicit CL register or an immediate.
- if (const auto Imm = llvm::dyn_cast<ConstantInteger32>(Src2Op)) {
+ if (const auto *Imm = llvm::dyn_cast<ConstantInteger32>(Src2Op)) {
(Asm->*(Emitter.GPRGPRImm))(Ty, DestReg, SrcReg,
Immediate(Imm->getValue()));
} else {
assert(llvm::cast<Variable>(Src2Op)->getRegNum() ==
- InstX86Base<Machine>::Traits::RegisterSet::Reg_ecx);
+ InstX86Base<Machine>::Traits::RegisterSet::Reg_cl);
(Asm->*(Emitter.GPRGPR))(Ty, DestReg, SrcReg);
}
}
@@ -857,13 +839,11 @@ void emitIASXmmShift(
Func->getAssembler<typename InstX86Base<Machine>::Traits::Assembler>();
assert(Var->hasReg());
typename InstX86Base<Machine>::Traits::RegisterSet::XmmRegister VarReg =
- InstX86Base<Machine>::Traits::RegisterSet::getEncodedXmm(
- Var->getRegNum());
- if (const auto SrcVar = llvm::dyn_cast<Variable>(Src)) {
+ InstX86Base<Machine>::Traits::getEncodedXmm(Var->getRegNum());
+ if (const auto *SrcVar = llvm::dyn_cast<Variable>(Src)) {
if (SrcVar->hasReg()) {
typename InstX86Base<Machine>::Traits::RegisterSet::XmmRegister SrcReg =
- InstX86Base<Machine>::Traits::RegisterSet::getEncodedXmm(
- SrcVar->getRegNum());
+ InstX86Base<Machine>::Traits::getEncodedXmm(SrcVar->getRegNum());
(Asm->*(Emitter.XmmXmm))(Ty, VarReg, SrcReg);
} else {
typename InstX86Base<Machine>::Traits::Address SrcStackAddr =
@@ -872,12 +852,12 @@ void emitIASXmmShift(
->stackVarToAsmOperand(SrcVar);
(Asm->*(Emitter.XmmAddr))(Ty, VarReg, SrcStackAddr);
}
- } else if (const auto Mem = llvm::dyn_cast<
+ } else if (const auto *Mem = llvm::dyn_cast<
typename InstX86Base<Machine>::Traits::X86OperandMem>(Src)) {
assert(Mem->getSegmentRegister() ==
InstX86Base<Machine>::Traits::X86OperandMem::DefaultSegment);
(Asm->*(Emitter.XmmAddr))(Ty, VarReg, Mem->toAsmAddress(Asm));
- } else if (const auto Imm = llvm::dyn_cast<ConstantInteger32>(Src)) {
+ } else if (const auto *Imm = llvm::dyn_cast<ConstantInteger32>(Src)) {
(Asm->*(Emitter.XmmImm))(Ty, VarReg, Immediate(Imm->getValue()));
} else {
llvm_unreachable("Unexpected operand type");
@@ -893,13 +873,11 @@ void emitIASRegOpTyXMM(
Func->getAssembler<typename InstX86Base<Machine>::Traits::Assembler>();
assert(Var->hasReg());
typename InstX86Base<Machine>::Traits::RegisterSet::XmmRegister VarReg =
- InstX86Base<Machine>::Traits::RegisterSet::getEncodedXmm(
- Var->getRegNum());
- if (const auto SrcVar = llvm::dyn_cast<Variable>(Src)) {
+ InstX86Base<Machine>::Traits::getEncodedXmm(Var->getRegNum());
+ if (const auto *SrcVar = llvm::dyn_cast<Variable>(Src)) {
if (SrcVar->hasReg()) {
typename InstX86Base<Machine>::Traits::RegisterSet::XmmRegister SrcReg =
- InstX86Base<Machine>::Traits::RegisterSet::getEncodedXmm(
- SrcVar->getRegNum());
+ InstX86Base<Machine>::Traits::getEncodedXmm(SrcVar->getRegNum());
(Asm->*(Emitter.XmmXmm))(Ty, VarReg, SrcReg);
} else {
typename InstX86Base<Machine>::Traits::Address SrcStackAddr =
@@ -908,12 +886,12 @@ void emitIASRegOpTyXMM(
->stackVarToAsmOperand(SrcVar);
(Asm->*(Emitter.XmmAddr))(Ty, VarReg, SrcStackAddr);
}
- } else if (const auto Mem = llvm::dyn_cast<
+ } else if (const auto *Mem = llvm::dyn_cast<
typename InstX86Base<Machine>::Traits::X86OperandMem>(Src)) {
assert(Mem->getSegmentRegister() ==
InstX86Base<Machine>::Traits::X86OperandMem::DefaultSegment);
(Asm->*(Emitter.XmmAddr))(Ty, VarReg, Mem->toAsmAddress(Asm));
- } else if (const auto Imm = llvm::dyn_cast<Constant>(Src)) {
+ } else if (const auto *Imm = llvm::dyn_cast<Constant>(Src)) {
(Asm->*(Emitter.XmmAddr))(
Ty, VarReg,
InstX86Base<Machine>::Traits::Address::ofConstPool(Asm, Imm));
@@ -932,7 +910,7 @@ void emitIASCastRegOp(const Cfg *Func, Type DestTy, const Variable *Dest,
Func->getAssembler<typename InstX86Base<Machine>::Traits::Assembler>();
assert(Dest->hasReg());
DReg_t DestReg = destEnc(Dest->getRegNum());
- if (const auto SrcVar = llvm::dyn_cast<Variable>(Src)) {
+ if (const auto *SrcVar = llvm::dyn_cast<Variable>(Src)) {
if (SrcVar->hasReg()) {
SReg_t SrcReg = srcEnc(SrcVar->getRegNum());
(Asm->*(Emitter.RegReg))(DestTy, DestReg, SrcTy, SrcReg);
@@ -943,7 +921,7 @@ void emitIASCastRegOp(const Cfg *Func, Type DestTy, const Variable *Dest,
->stackVarToAsmOperand(SrcVar);
(Asm->*(Emitter.RegAddr))(DestTy, DestReg, SrcTy, SrcStackAddr);
}
- } else if (const auto Mem = llvm::dyn_cast<
+ } else if (const auto *Mem = llvm::dyn_cast<
typename InstX86Base<Machine>::Traits::X86OperandMem>(Src)) {
Mem->emitSegmentOverride(Asm);
(Asm->*(Emitter.RegAddr))(DestTy, DestReg, SrcTy, Mem->toAsmAddress(Asm));
@@ -965,7 +943,7 @@ void emitIASThreeOpImmOps(
assert(Dest->hasReg());
DReg_t DestReg = destEnc(Dest->getRegNum());
Immediate Imm(llvm::cast<ConstantInteger32>(Src1)->getValue());
- if (const auto SrcVar = llvm::dyn_cast<Variable>(Src0)) {
+ if (const auto *SrcVar = llvm::dyn_cast<Variable>(Src0)) {
if (SrcVar->hasReg()) {
SReg_t SrcReg = srcEnc(SrcVar->getRegNum());
(Asm->*(Emitter.RegRegImm))(DispatchTy, DestReg, SrcReg, Imm);
@@ -976,7 +954,7 @@ void emitIASThreeOpImmOps(
->stackVarToAsmOperand(SrcVar);
(Asm->*(Emitter.RegAddrImm))(DispatchTy, DestReg, SrcStackAddr, Imm);
}
- } else if (const auto Mem = llvm::dyn_cast<
+ } else if (const auto *Mem = llvm::dyn_cast<
typename InstX86Base<Machine>::Traits::X86OperandMem>(Src0)) {
Mem->emitSegmentOverride(Asm);
(Asm->*(Emitter.RegAddrImm))(DispatchTy, DestReg, Mem->toAsmAddress(Asm),
@@ -995,13 +973,12 @@ void emitIASMovlikeXMM(
Func->getAssembler<typename InstX86Base<Machine>::Traits::Assembler>();
if (Dest->hasReg()) {
typename InstX86Base<Machine>::Traits::RegisterSet::XmmRegister DestReg =
- InstX86Base<Machine>::Traits::RegisterSet::getEncodedXmm(
- Dest->getRegNum());
- if (const auto SrcVar = llvm::dyn_cast<Variable>(Src)) {
+ InstX86Base<Machine>::Traits::getEncodedXmm(Dest->getRegNum());
+ if (const auto *SrcVar = llvm::dyn_cast<Variable>(Src)) {
if (SrcVar->hasReg()) {
(Asm->*(Emitter.XmmXmm))(
- DestReg, InstX86Base<Machine>::Traits::RegisterSet::getEncodedXmm(
- SrcVar->getRegNum()));
+ DestReg,
+ InstX86Base<Machine>::Traits::getEncodedXmm(SrcVar->getRegNum()));
} else {
typename InstX86Base<Machine>::Traits::Address StackAddr(
static_cast<typename InstX86Base<Machine>::Traits::TargetLowering
@@ -1009,7 +986,7 @@ void emitIASMovlikeXMM(
->stackVarToAsmOperand(SrcVar));
(Asm->*(Emitter.XmmAddr))(DestReg, StackAddr);
}
- } else if (const auto SrcMem = llvm::dyn_cast<
+ } else if (const auto *SrcMem = llvm::dyn_cast<
typename InstX86Base<Machine>::Traits::X86OperandMem>(Src)) {
assert(SrcMem->getSegmentRegister() ==
InstX86Base<Machine>::Traits::X86OperandMem::DefaultSegment);
@@ -1023,11 +1000,11 @@ void emitIASMovlikeXMM(
Func->getTarget())
->stackVarToAsmOperand(Dest));
// Src must be a register in this case.
- const auto SrcVar = llvm::cast<Variable>(Src);
+ const auto *SrcVar = llvm::cast<Variable>(Src);
assert(SrcVar->hasReg());
(Asm->*(Emitter.AddrXmm))(
- StackAddr, InstX86Base<Machine>::Traits::RegisterSet::getEncodedXmm(
- SrcVar->getRegNum()));
+ StackAddr,
+ InstX86Base<Machine>::Traits::getEncodedXmm(SrcVar->getRegNum()));
}
}
@@ -1292,11 +1269,10 @@ void InstX86Imul<Machine>::emit(const Cfg *Func) const {
Variable *Dest = this->getDest();
if (isByteSizedArithType(Dest->getType())) {
// The 8-bit version of imul only allows the form "imul r/m8".
- const auto Src0Var = llvm::dyn_cast<Variable>(this->getSrc(0));
+ const auto *Src0Var = llvm::dyn_cast<Variable>(this->getSrc(0));
(void)Src0Var;
- assert(Src0Var &&
- Src0Var->getRegNum() ==
- InstX86Base<Machine>::Traits::RegisterSet::Reg_eax);
+ assert(Src0Var->getRegNum() ==
+ InstX86Base<Machine>::Traits::RegisterSet::Reg_al);
Str << "\timulb\t";
this->getSrc(1)->emit(Func);
} else if (llvm::isa<Constant>(this->getSrc(1))) {
@@ -1319,11 +1295,10 @@ void InstX86Imul<Machine>::emitIAS(const Cfg *Func) const {
const Operand *Src = this->getSrc(1);
if (isByteSizedArithType(Ty)) {
// The 8-bit version of imul only allows the form "imul r/m8".
- const auto Src0Var = llvm::dyn_cast<Variable>(this->getSrc(0));
+ const auto *Src0Var = llvm::dyn_cast<Variable>(this->getSrc(0));
(void)Src0Var;
- assert(Src0Var &&
- Src0Var->getRegNum() ==
- InstX86Base<Machine>::Traits::RegisterSet::Reg_eax);
+ assert(Src0Var->getRegNum() ==
+ InstX86Base<Machine>::Traits::RegisterSet::Reg_al);
static const typename InstX86Base<
Machine>::Traits::Assembler::GPREmitterOneOp Emitter = {
&InstX86Base<Machine>::Traits::Assembler::imul,
@@ -1374,8 +1349,8 @@ void InstX86ImulImm<Machine>::emitIAS(const Cfg *Func) const {
emitIASThreeOpImmOps<
Machine, typename InstX86Base<Machine>::Traits::RegisterSet::GPRRegister,
typename InstX86Base<Machine>::Traits::RegisterSet::GPRRegister,
- InstX86Base<Machine>::Traits::RegisterSet::getEncodedGPR,
- InstX86Base<Machine>::Traits::RegisterSet::getEncodedGPR>(
+ InstX86Base<Machine>::Traits::getEncodedGPR,
+ InstX86Base<Machine>::Traits::getEncodedGPR>(
Func, Ty, Dest, this->getSrc(0), this->getSrc(1), Emitter);
}
@@ -1397,8 +1372,8 @@ void InstX86Insertps<Machine>::emitIAS(const Cfg *Func) const {
emitIASThreeOpImmOps<
Machine, typename InstX86Base<Machine>::Traits::RegisterSet::XmmRegister,
typename InstX86Base<Machine>::Traits::RegisterSet::XmmRegister,
- InstX86Base<Machine>::Traits::RegisterSet::getEncodedXmm,
- InstX86Base<Machine>::Traits::RegisterSet::getEncodedXmm>(
+ InstX86Base<Machine>::Traits::getEncodedXmm,
+ InstX86Base<Machine>::Traits::getEncodedXmm>(
Func, Ty, Dest, this->getSrc(1), this->getSrc(2), Emitter);
}
@@ -1410,25 +1385,29 @@ void InstX86Cbwdq<Machine>::emit(const Cfg *Func) const {
assert(this->getSrcSize() == 1);
Operand *Src0 = this->getSrc(0);
assert(llvm::isa<Variable>(Src0));
- assert(llvm::cast<Variable>(Src0)->getRegNum() ==
- InstX86Base<Machine>::Traits::RegisterSet::Reg_eax);
switch (Src0->getType()) {
default:
llvm_unreachable("unexpected source type!");
break;
case IceType_i8:
+ assert(llvm::cast<Variable>(Src0)->getRegNum() ==
+ InstX86Base<Machine>::Traits::RegisterSet::Reg_al);
assert(this->getDest()->getRegNum() ==
- InstX86Base<Machine>::Traits::RegisterSet::Reg_eax);
+ InstX86Base<Machine>::Traits::RegisterSet::Reg_ax);
Str << "\t"
<< "cbtw";
break;
case IceType_i16:
+ assert(llvm::cast<Variable>(Src0)->getRegNum() ==
+ InstX86Base<Machine>::Traits::RegisterSet::Reg_ax);
assert(this->getDest()->getRegNum() ==
- InstX86Base<Machine>::Traits::RegisterSet::Reg_edx);
+ InstX86Base<Machine>::Traits::RegisterSet::Reg_dx);
Str << "\t"
<< "cwtd";
break;
case IceType_i32:
+ assert(llvm::cast<Variable>(Src0)->getRegNum() ==
+ InstX86Base<Machine>::Traits::RegisterSet::Reg_eax);
assert(this->getDest()->getRegNum() ==
InstX86Base<Machine>::Traits::RegisterSet::Reg_edx);
Str << "\t"
@@ -1450,23 +1429,27 @@ void InstX86Cbwdq<Machine>::emitIAS(const Cfg *Func) const {
assert(this->getSrcSize() == 1);
Operand *Src0 = this->getSrc(0);
assert(llvm::isa<Variable>(Src0));
- assert(llvm::cast<Variable>(Src0)->getRegNum() ==
- InstX86Base<Machine>::Traits::RegisterSet::Reg_eax);
switch (Src0->getType()) {
default:
llvm_unreachable("unexpected source type!");
break;
case IceType_i8:
+ assert(llvm::cast<Variable>(Src0)->getRegNum() ==
+ InstX86Base<Machine>::Traits::RegisterSet::Reg_al);
assert(this->getDest()->getRegNum() ==
- InstX86Base<Machine>::Traits::RegisterSet::Reg_eax);
+ InstX86Base<Machine>::Traits::RegisterSet::Reg_ax);
Asm->cbw();
break;
case IceType_i16:
+ assert(llvm::cast<Variable>(Src0)->getRegNum() ==
+ InstX86Base<Machine>::Traits::RegisterSet::Reg_ax);
assert(this->getDest()->getRegNum() ==
- InstX86Base<Machine>::Traits::RegisterSet::Reg_edx);
+ InstX86Base<Machine>::Traits::RegisterSet::Reg_dx);
Asm->cwd();
break;
case IceType_i32:
+ assert(llvm::cast<Variable>(Src0)->getRegNum() ==
+ InstX86Base<Machine>::Traits::RegisterSet::Reg_eax);
assert(this->getDest()->getRegNum() ==
InstX86Base<Machine>::Traits::RegisterSet::Reg_edx);
Asm->cdq();
@@ -1529,14 +1512,7 @@ void InstX86Shld<Machine>::emit(const Cfg *Func) const {
assert(this->getSrcSize() == 3);
assert(Dest == this->getSrc(0));
Str << "\tshld" << this->getWidthString(Dest->getType()) << "\t";
- if (const auto ShiftReg = llvm::dyn_cast<Variable>(this->getSrc(2))) {
- (void)ShiftReg;
- assert(ShiftReg->getRegNum() ==
- InstX86Base<Machine>::Traits::RegisterSet::Reg_ecx);
- Str << "%cl";
- } else {
- this->getSrc(2)->emit(Func);
- }
+ this->getSrc(2)->emit(Func);
Str << ", ";
this->getSrc(1)->emit(Func);
Str << ", ";
@@ -1576,14 +1552,7 @@ void InstX86Shrd<Machine>::emit(const Cfg *Func) const {
assert(this->getSrcSize() == 3);
assert(Dest == this->getSrc(0));
Str << "\tshrd" << this->getWidthString(Dest->getType()) << "\t";
- if (const auto ShiftReg = llvm::dyn_cast<Variable>(this->getSrc(2))) {
- (void)ShiftReg;
- assert(ShiftReg->getRegNum() ==
- InstX86Base<Machine>::Traits::RegisterSet::Reg_ecx);
- Str << "%cl";
- } else {
- this->getSrc(2)->emit(Func);
- }
+ this->getSrc(2)->emit(Func);
Str << ", ";
this->getSrc(1)->emit(Func);
Str << ", ";
@@ -1644,27 +1613,24 @@ void InstX86Cmov<Machine>::emitIAS(const Cfg *Func) const {
Func->getAssembler<typename InstX86Base<Machine>::Traits::Assembler>();
if (const auto *SrcVar = llvm::dyn_cast<Variable>(Src)) {
if (SrcVar->hasReg()) {
- Asm->cmov(SrcTy, Condition,
- InstX86Base<Machine>::Traits::RegisterSet::getEncodedGPR(
- this->getDest()->getRegNum()),
- InstX86Base<Machine>::Traits::RegisterSet::getEncodedGPR(
- SrcVar->getRegNum()));
+ Asm->cmov(
+ SrcTy, Condition, InstX86Base<Machine>::Traits::getEncodedGPR(
+ this->getDest()->getRegNum()),
+ InstX86Base<Machine>::Traits::getEncodedGPR(SrcVar->getRegNum()));
} else {
Asm->cmov(
- SrcTy, Condition,
- InstX86Base<Machine>::Traits::RegisterSet::getEncodedGPR(
- this->getDest()->getRegNum()),
+ SrcTy, Condition, InstX86Base<Machine>::Traits::getEncodedGPR(
+ this->getDest()->getRegNum()),
static_cast<typename InstX86Base<Machine>::Traits::TargetLowering *>(
Func->getTarget())
->stackVarToAsmOperand(SrcVar));
}
- } else if (const auto Mem = llvm::dyn_cast<
+ } else if (const auto *Mem = llvm::dyn_cast<
typename InstX86Base<Machine>::Traits::X86OperandMem>(Src)) {
assert(Mem->getSegmentRegister() ==
InstX86Base<Machine>::Traits::X86OperandMem::DefaultSegment);
- Asm->cmov(SrcTy, Condition,
- InstX86Base<Machine>::Traits::RegisterSet::getEncodedGPR(
- this->getDest()->getRegNum()),
+ Asm->cmov(SrcTy, Condition, InstX86Base<Machine>::Traits::getEncodedGPR(
+ this->getDest()->getRegNum()),
Mem->toAsmAddress(Asm));
} else {
llvm_unreachable("Unexpected operand type");
@@ -1711,19 +1677,18 @@ void InstX86Cmpps<Machine>::emitIAS(const Cfg *Func) const {
// Assuming there isn't any load folding for cmpps, and vector constants are
// not allowed in PNaCl.
assert(llvm::isa<Variable>(this->getSrc(1)));
- const auto SrcVar = llvm::cast<Variable>(this->getSrc(1));
+ const auto *SrcVar = llvm::cast<Variable>(this->getSrc(1));
if (SrcVar->hasReg()) {
- Asm->cmpps(InstX86Base<Machine>::Traits::RegisterSet::getEncodedXmm(
+ Asm->cmpps(InstX86Base<Machine>::Traits::getEncodedXmm(
this->getDest()->getRegNum()),
- InstX86Base<Machine>::Traits::RegisterSet::getEncodedXmm(
- SrcVar->getRegNum()),
+ InstX86Base<Machine>::Traits::getEncodedXmm(SrcVar->getRegNum()),
Condition);
} else {
typename InstX86Base<Machine>::Traits::Address SrcStackAddr =
static_cast<typename InstX86Base<Machine>::Traits::TargetLowering *>(
Func->getTarget())
->stackVarToAsmOperand(SrcVar);
- Asm->cmpps(InstX86Base<Machine>::Traits::RegisterSet::getEncodedXmm(
+ Asm->cmpps(InstX86Base<Machine>::Traits::getEncodedXmm(
this->getDest()->getRegNum()),
SrcStackAddr, Condition);
}
@@ -1772,11 +1737,10 @@ void InstX86Cmpxchg<Machine>::emitIAS(const Cfg *Func) const {
InstX86Base<Machine>::Traits::X86OperandMem::DefaultSegment);
const typename InstX86Base<Machine>::Traits::Address Addr =
Mem->toAsmAddress(Asm);
- const auto VarReg = llvm::cast<Variable>(this->getSrc(2));
+ const auto *VarReg = llvm::cast<Variable>(this->getSrc(2));
assert(VarReg->hasReg());
const typename InstX86Base<Machine>::Traits::RegisterSet::GPRRegister Reg =
- InstX86Base<Machine>::Traits::RegisterSet::getEncodedGPR(
- VarReg->getRegNum());
+ InstX86Base<Machine>::Traits::getEncodedGPR(VarReg->getRegNum());
Asm->cmpxchg(Ty, Addr, Reg, this->Locked);
}
@@ -1877,9 +1841,9 @@ void InstX86Cvt<Machine>::emitIAS(const Cfg *Func) const {
Machine,
typename InstX86Base<Machine>::Traits::RegisterSet::XmmRegister,
typename InstX86Base<Machine>::Traits::RegisterSet::GPRRegister,
- InstX86Base<Machine>::Traits::RegisterSet::getEncodedXmm,
- InstX86Base<Machine>::Traits::RegisterSet::getEncodedGPR>(
- Func, DestTy, Dest, SrcTy, Src, Emitter);
+ InstX86Base<Machine>::Traits::getEncodedXmm,
+ InstX86Base<Machine>::Traits::getEncodedGPR>(Func, DestTy, Dest, SrcTy,
+ Src, Emitter);
return;
}
case Tss2si: {
@@ -1900,9 +1864,9 @@ void InstX86Cvt<Machine>::emitIAS(const Cfg *Func) const {
Machine,
typename InstX86Base<Machine>::Traits::RegisterSet::GPRRegister,
typename InstX86Base<Machine>::Traits::RegisterSet::XmmRegister,
- InstX86Base<Machine>::Traits::RegisterSet::getEncodedGPR,
- InstX86Base<Machine>::Traits::RegisterSet::getEncodedXmm>(
- Func, DestTy, Dest, SrcTy, Src, Emitter);
+ InstX86Base<Machine>::Traits::getEncodedGPR,
+ InstX86Base<Machine>::Traits::getEncodedXmm>(Func, DestTy, Dest, SrcTy,
+ Src, Emitter);
return;
}
case Float2float: {
@@ -1982,7 +1946,7 @@ void InstX86Icmp<Machine>::emitIAS(const Cfg *Func) const {
Machine>::Traits::Assembler::GPREmitterAddrOp AddrEmitter = {
&InstX86Base<Machine>::Traits::Assembler::cmp,
&InstX86Base<Machine>::Traits::Assembler::cmp};
- if (const auto SrcVar0 = llvm::dyn_cast<Variable>(Src0)) {
+ if (const auto *SrcVar0 = llvm::dyn_cast<Variable>(Src0)) {
if (SrcVar0->hasReg()) {
emitIASRegOpTyGPR<Machine>(Func, Ty, SrcVar0, Src1, RegEmitter);
return;
@@ -2021,7 +1985,7 @@ void InstX86Ucomiss<Machine>::emitIAS(const Cfg *Func) const {
// Currently src0 is always a variable by convention, to avoid having two
// memory operands.
assert(llvm::isa<Variable>(this->getSrc(0)));
- const auto Src0Var = llvm::cast<Variable>(this->getSrc(0));
+ const auto *Src0Var = llvm::cast<Variable>(this->getSrc(0));
Type Ty = Src0Var->getType();
static const typename InstX86Base<Machine>::Traits::Assembler::XmmEmitterRegOp
Emitter = {&InstX86Base<Machine>::Traits::Assembler::ucomiss,
@@ -2086,7 +2050,7 @@ void InstX86Test<Machine>::emitIAS(const Cfg *Func) const {
Machine>::Traits::Assembler::GPREmitterAddrOp AddrEmitter = {
&InstX86Base<Machine>::Traits::Assembler::test,
&InstX86Base<Machine>::Traits::Assembler::test};
- if (const auto SrcVar0 = llvm::dyn_cast<Variable>(Src0)) {
+ if (const auto *SrcVar0 = llvm::dyn_cast<Variable>(Src0)) {
if (SrcVar0->hasReg()) {
emitIASRegOpTyGPR<Machine>(Func, Ty, SrcVar0, Src1, RegEmitter);
return;
@@ -2150,14 +2114,13 @@ void InstX86Store<Machine>::emitIAS(const Cfg *Func) const {
Type DestTy = Dest->getType();
if (isScalarFloatingType(DestTy)) {
// Src must be a register, since Dest is a Mem operand of some kind.
- const auto SrcVar = llvm::cast<Variable>(Src);
+ const auto *SrcVar = llvm::cast<Variable>(Src);
assert(SrcVar->hasReg());
typename InstX86Base<Machine>::Traits::RegisterSet::XmmRegister SrcReg =
- InstX86Base<Machine>::Traits::RegisterSet::getEncodedXmm(
- SrcVar->getRegNum());
+ InstX86Base<Machine>::Traits::getEncodedXmm(SrcVar->getRegNum());
typename InstX86Base<Machine>::Traits::Assembler *Asm =
Func->getAssembler<typename InstX86Base<Machine>::Traits::Assembler>();
- if (const auto DestVar = llvm::dyn_cast<Variable>(Dest)) {
+ if (const auto *DestVar = llvm::dyn_cast<Variable>(Dest)) {
assert(!DestVar->hasReg());
typename InstX86Base<Machine>::Traits::Address StackAddr(
static_cast<typename InstX86Base<Machine>::Traits::TargetLowering *>(
@@ -2212,7 +2175,7 @@ void InstX86StoreP<Machine>::emitIAS(const Cfg *Func) const {
typename InstX86Base<Machine>::Traits::Assembler *Asm =
Func->getAssembler<typename InstX86Base<Machine>::Traits::Assembler>();
assert(this->getSrcSize() == 2);
- const auto SrcVar = llvm::cast<Variable>(this->getSrc(0));
+ const auto *SrcVar = llvm::cast<Variable>(this->getSrc(0));
const auto DestMem =
llvm::cast<typename InstX86Base<Machine>::Traits::X86OperandMem>(
this->getSrc(1));
@@ -2220,8 +2183,7 @@ void InstX86StoreP<Machine>::emitIAS(const Cfg *Func) const {
InstX86Base<Machine>::Traits::X86OperandMem::DefaultSegment);
assert(SrcVar->hasReg());
Asm->movups(DestMem->toAsmAddress(Asm),
- InstX86Base<Machine>::Traits::RegisterSet::getEncodedXmm(
- SrcVar->getRegNum()));
+ InstX86Base<Machine>::Traits::getEncodedXmm(SrcVar->getRegNum()));
}
template <class Machine>
@@ -2255,7 +2217,7 @@ void InstX86StoreQ<Machine>::emitIAS(const Cfg *Func) const {
typename InstX86Base<Machine>::Traits::Assembler *Asm =
Func->getAssembler<typename InstX86Base<Machine>::Traits::Assembler>();
assert(this->getSrcSize() == 2);
- const auto SrcVar = llvm::cast<Variable>(this->getSrc(0));
+ const auto *SrcVar = llvm::cast<Variable>(this->getSrc(0));
const auto DestMem =
llvm::cast<typename InstX86Base<Machine>::Traits::X86OperandMem>(
this->getSrc(1));
@@ -2263,8 +2225,7 @@ void InstX86StoreQ<Machine>::emitIAS(const Cfg *Func) const {
InstX86Base<Machine>::Traits::X86OperandMem::DefaultSegment);
assert(SrcVar->hasReg());
Asm->movq(DestMem->toAsmAddress(Asm),
- InstX86Base<Machine>::Traits::RegisterSet::getEncodedXmm(
- SrcVar->getRegNum()));
+ InstX86Base<Machine>::Traits::getEncodedXmm(SrcVar->getRegNum()));
}
template <class Machine>
@@ -2286,11 +2247,12 @@ template <class Machine> void InstX86Lea<Machine>::emit(const Cfg *Func) const {
assert(this->getDest()->hasReg());
Str << "\tleal\t";
Operand *Src0 = this->getSrc(0);
- if (const auto Src0Var = llvm::dyn_cast<Variable>(Src0)) {
+ if (const auto *Src0Var = llvm::dyn_cast<Variable>(Src0)) {
Type Ty = Src0Var->getType();
// lea on x86-32 doesn't accept mem128 operands, so cast VSrc0 to an
// acceptable type.
- Src0Var->asType(isVectorType(Ty) ? IceType_i32 : Ty)->emit(Func);
+ Src0Var->asType(isVectorType(Ty) ? IceType_i32 : Ty, Variable::NoRegister)
+ ->emit(Func);
} else {
Src0->emit(Func);
}
@@ -2334,7 +2296,14 @@ template <class Machine> void InstX86Mov<Machine>::emit(const Cfg *Func) const {
Func->getTarget()->typeWidthInBytesOnStack(SrcTy));
Src->emit(Func);
Str << ", ";
- this->getDest()->asType(SrcTy)->emit(Func);
+ int32_t NewRegNum = Variable::NoRegister;
+ if (this->getDest()->hasReg())
+ NewRegNum = InstX86Base<Machine>::Traits::getGprForType(
+ SrcTy, this->getDest()->getRegNum());
+ const Variable *NewDest = SrcTy == DestTy
+ ? this->getDest()
+ : this->getDest()->asType(SrcTy, NewRegNum);
+ NewDest->emit(Func);
}
template <class Machine>
@@ -2391,9 +2360,9 @@ void InstX86Mov<Machine>::emitIAS(const Cfg *Func) const {
Value = llvm::cast<ConstantInteger32>(Src)->getValue();
}
Func->getAssembler<typename InstX86Base<Machine>::Traits::Assembler>()
- ->movabs(InstX86Base<Machine>::Traits::RegisterSet::getEncodedGPR(
- Dest->getRegNum()),
- Value);
+ ->movabs(
+ InstX86Base<Machine>::Traits::getEncodedGPR(Dest->getRegNum()),
+ Value);
return;
}
if (isScalarIntegerType(SrcTy)) {
@@ -2411,14 +2380,13 @@ void InstX86Mov<Machine>::emitIAS(const Cfg *Func) const {
->stackVarToAsmOperand(Dest));
if (isScalarFloatingType(SrcTy)) {
// Src must be a register.
- const auto SrcVar = llvm::cast<Variable>(Src);
+ const auto *SrcVar = llvm::cast<Variable>(Src);
assert(SrcVar->hasReg());
typename InstX86Base<Machine>::Traits::Assembler *Asm =
Func->getAssembler<
typename InstX86Base<Machine>::Traits::Assembler>();
- Asm->movss(SrcTy, StackAddr,
- InstX86Base<Machine>::Traits::RegisterSet::getEncodedXmm(
- SrcVar->getRegNum()));
+ Asm->movss(SrcTy, StackAddr, InstX86Base<Machine>::Traits::getEncodedXmm(
+ SrcVar->getRegNum()));
return;
} else {
// Src can be a register or immediate.
@@ -2436,7 +2404,7 @@ void InstX86Movd<Machine>::emitIAS(const Cfg *Func) const {
Func->getAssembler<typename InstX86Base<Machine>::Traits::Assembler>();
assert(this->getSrcSize() == 1);
const Variable *Dest = this->getDest();
- const auto SrcVar = llvm::cast<Variable>(this->getSrc(0));
+ const auto *SrcVar = llvm::cast<Variable>(this->getSrc(0));
// For insert/extract element (one of Src/Dest is an Xmm vector and the other
// is an int type).
if (SrcVar->getType() == IceType_i32 ||
@@ -2448,12 +2416,11 @@ void InstX86Movd<Machine>::emitIAS(const Cfg *Func) const {
typeWidthInBytes(Dest->getType())));
assert(Dest->hasReg());
typename InstX86Base<Machine>::Traits::RegisterSet::XmmRegister DestReg =
- InstX86Base<Machine>::Traits::RegisterSet::getEncodedXmm(
- Dest->getRegNum());
+ InstX86Base<Machine>::Traits::getEncodedXmm(Dest->getRegNum());
if (SrcVar->hasReg()) {
- Asm->movd(SrcVar->getType(), DestReg,
- InstX86Base<Machine>::Traits::RegisterSet::getEncodedGPR(
- SrcVar->getRegNum()));
+ Asm->movd(
+ SrcVar->getType(), DestReg,
+ InstX86Base<Machine>::Traits::getEncodedGPR(SrcVar->getRegNum()));
} else {
typename InstX86Base<Machine>::Traits::Address StackAddr(
static_cast<typename InstX86Base<Machine>::Traits::TargetLowering *>(
@@ -2471,12 +2438,10 @@ void InstX86Movd<Machine>::emitIAS(const Cfg *Func) const {
(InstX86Base<Machine>::Traits::Is64Bit &&
Dest->getType() == IceType_i64));
typename InstX86Base<Machine>::Traits::RegisterSet::XmmRegister SrcReg =
- InstX86Base<Machine>::Traits::RegisterSet::getEncodedXmm(
- SrcVar->getRegNum());
+ InstX86Base<Machine>::Traits::getEncodedXmm(SrcVar->getRegNum());
if (Dest->hasReg()) {
Asm->movd(Dest->getType(),
- InstX86Base<Machine>::Traits::RegisterSet::getEncodedGPR(
- Dest->getRegNum()),
+ InstX86Base<Machine>::Traits::getEncodedGPR(Dest->getRegNum()),
SrcReg);
} else {
typename InstX86Base<Machine>::Traits::Address StackAddr(
@@ -2553,15 +2518,13 @@ void InstX86MovssRegs<Machine>::emitIAS(const Cfg *Func) const {
assert(this->getSrcSize() == 2);
const Variable *Dest = this->getDest();
assert(Dest == this->getSrc(0));
- const auto SrcVar = llvm::cast<Variable>(this->getSrc(1));
+ const auto *SrcVar = llvm::cast<Variable>(this->getSrc(1));
assert(Dest->hasReg() && SrcVar->hasReg());
typename InstX86Base<Machine>::Traits::Assembler *Asm =
Func->getAssembler<typename InstX86Base<Machine>::Traits::Assembler>();
Asm->movss(IceType_f32,
- InstX86Base<Machine>::Traits::RegisterSet::getEncodedXmm(
- Dest->getRegNum()),
- InstX86Base<Machine>::Traits::RegisterSet::getEncodedXmm(
- SrcVar->getRegNum()));
+ InstX86Base<Machine>::Traits::getEncodedXmm(Dest->getRegNum()),
+ InstX86Base<Machine>::Traits::getEncodedXmm(SrcVar->getRegNum()));
}
template <class Machine>
@@ -2621,7 +2584,7 @@ template <class Machine> void InstX86Fld<Machine>::emit(const Cfg *Func) const {
assert(this->getSrcSize() == 1);
Type Ty = this->getSrc(0)->getType();
SizeT Width = typeWidthInBytes(Ty);
- const auto Var = llvm::dyn_cast<Variable>(this->getSrc(0));
+ const auto *Var = llvm::dyn_cast<Variable>(this->getSrc(0));
if (Var && Var->hasReg()) {
// This is a physical xmm register, so we need to spill it to a temporary
// stack slot.
@@ -2647,7 +2610,7 @@ void InstX86Fld<Machine>::emitIAS(const Cfg *Func) const {
assert(this->getSrcSize() == 1);
const Operand *Src = this->getSrc(0);
Type Ty = Src->getType();
- if (const auto Var = llvm::dyn_cast<Variable>(Src)) {
+ if (const auto *Var = llvm::dyn_cast<Variable>(Src)) {
if (Var->hasReg()) {
// This is a physical xmm register, so we need to spill it to a temporary
// stack slot.
@@ -2659,8 +2622,7 @@ void InstX86Fld<Machine>::emitIAS(const Cfg *Func) const {
typename InstX86Base<Machine>::Traits::Address(
InstX86Base<Machine>::Traits::RegisterSet::Encoded_Reg_esp, 0);
Asm->movss(Ty, StackSlot,
- InstX86Base<Machine>::Traits::RegisterSet::getEncodedXmm(
- Var->getRegNum()));
+ InstX86Base<Machine>::Traits::getEncodedXmm(Var->getRegNum()));
Asm->fld(Ty, StackSlot);
Asm->add(IceType_i32,
InstX86Base<Machine>::Traits::RegisterSet::Encoded_Reg_esp,
@@ -2672,12 +2634,12 @@ void InstX86Fld<Machine>::emitIAS(const Cfg *Func) const {
->stackVarToAsmOperand(Var));
Asm->fld(Ty, StackAddr);
}
- } else if (const auto Mem = llvm::dyn_cast<
+ } else if (const auto *Mem = llvm::dyn_cast<
typename InstX86Base<Machine>::Traits::X86OperandMem>(Src)) {
assert(Mem->getSegmentRegister() ==
InstX86Base<Machine>::Traits::X86OperandMem::DefaultSegment);
Asm->fld(Ty, Mem->toAsmAddress(Asm));
- } else if (const auto Imm = llvm::dyn_cast<Constant>(Src)) {
+ } else if (const auto *Imm = llvm::dyn_cast<Constant>(Src)) {
Asm->fld(Ty, InstX86Base<Machine>::Traits::Address::ofConstPool(Asm, Imm));
} else {
llvm_unreachable("Unexpected operand type");
@@ -2757,8 +2719,8 @@ void InstX86Fstp<Machine>::emitIAS(const Cfg *Func) const {
typename InstX86Base<Machine>::Traits::Address(
InstX86Base<Machine>::Traits::RegisterSet::Encoded_Reg_esp, 0);
Asm->fstp(Ty, StackSlot);
- Asm->movss(Ty, InstX86Base<Machine>::Traits::RegisterSet::getEncodedXmm(
- Dest->getRegNum()),
+ Asm->movss(Ty,
+ InstX86Base<Machine>::Traits::getEncodedXmm(Dest->getRegNum()),
StackSlot);
Asm->add(IceType_i32,
InstX86Base<Machine>::Traits::RegisterSet::Encoded_Reg_esp, Width);
@@ -2823,7 +2785,7 @@ void InstX86Pextr<Machine>::emit(const Cfg *Func) const {
// memory dest, but we aren't using it. For uniformity, just restrict them
// all to have a register dest for now.
assert(Dest->hasReg());
- Dest->asType(IceType_i32)->emit(Func);
+ Dest->asType(IceType_i32, Dest->getRegNum())->emit(Func);
}
template <class Machine>
@@ -2831,7 +2793,8 @@ void InstX86Pextr<Machine>::emitIAS(const Cfg *Func) const {
assert(this->getSrcSize() == 2);
// pextrb and pextrd are SSE4.1 instructions.
const Variable *Dest = this->getDest();
- Type DispatchTy = Dest->getType();
+ Type DispatchTy = InstX86Base<Machine>::Traits::getInVectorElementType(
+ this->getSrc(0)->getType());
assert(DispatchTy == IceType_i16 ||
static_cast<typename InstX86Base<Machine>::Traits::TargetLowering *>(
Func->getTarget())
@@ -2850,8 +2813,8 @@ void InstX86Pextr<Machine>::emitIAS(const Cfg *Func) const {
emitIASThreeOpImmOps<
Machine, typename InstX86Base<Machine>::Traits::RegisterSet::GPRRegister,
typename InstX86Base<Machine>::Traits::RegisterSet::XmmRegister,
- InstX86Base<Machine>::Traits::RegisterSet::getEncodedGPR,
- InstX86Base<Machine>::Traits::RegisterSet::getEncodedXmm>(
+ InstX86Base<Machine>::Traits::getEncodedGPR,
+ InstX86Base<Machine>::Traits::getEncodedXmm>(
Func, DispatchTy, Dest, this->getSrc(0), this->getSrc(1), Emitter);
}
@@ -2874,10 +2837,13 @@ void InstX86Pinsr<Machine>::emit(const Cfg *Func) const {
this->getSrc(2)->emit(Func);
Str << ", ";
Operand *Src1 = this->getSrc(1);
- if (const auto Src1Var = llvm::dyn_cast<Variable>(Src1)) {
+ if (const auto *Src1Var = llvm::dyn_cast<Variable>(Src1)) {
// If src1 is a register, it should always be r32.
if (Src1Var->hasReg()) {
- Src1Var->asType(IceType_i32)->emit(Func);
+ int32_t NewRegNum =
+ InstX86Base<Machine>::Traits::getBaseReg(Src1Var->getRegNum());
+ const Variable *NewSrc = Src1Var->asType(IceType_i32, NewRegNum);
+ NewSrc->emit(Func);
} else {
Src1Var->emit(Func);
}
@@ -2901,7 +2867,19 @@ void InstX86Pinsr<Machine>::emitIAS(const Cfg *Func) const {
->getInstructionSet() >= InstX86Base<Machine>::Traits::SSE4_1);
// If src1 is a register, it should always be r32 (this should fall out from
// the encodings for ByteRegs overlapping the encodings for r32), but we have
- // to trust the regalloc to not choose "ah", where it doesn't overlap.
+ // to make sure the register allocator didn't choose an 8-bit high register
+ // like "ah".
+ if (BuildDefs::asserts()) {
+ if (auto *Src0Var = llvm::dyn_cast<Variable>(Src0)) {
+ if (Src0Var->hasReg()) {
+ int32_t RegNum = Src0Var->getRegNum();
+ int32_t BaseRegNum = InstX86Base<Machine>::Traits::getBaseReg(RegNum);
+ (void)BaseRegNum;
+ assert(InstX86Base<Machine>::Traits::getEncodedGPR(RegNum) ==
+ InstX86Base<Machine>::Traits::getEncodedGPR(BaseRegNum));
+ }
+ }
+ }
static const typename InstX86Base<Machine>::Traits::Assembler::
template ThreeOpImmEmitter<
typename InstX86Base<Machine>::Traits::RegisterSet::XmmRegister,
@@ -2911,8 +2889,8 @@ void InstX86Pinsr<Machine>::emitIAS(const Cfg *Func) const {
emitIASThreeOpImmOps<
Machine, typename InstX86Base<Machine>::Traits::RegisterSet::XmmRegister,
typename InstX86Base<Machine>::Traits::RegisterSet::GPRRegister,
- InstX86Base<Machine>::Traits::RegisterSet::getEncodedXmm,
- InstX86Base<Machine>::Traits::RegisterSet::getEncodedGPR>(
+ InstX86Base<Machine>::Traits::getEncodedXmm,
+ InstX86Base<Machine>::Traits::getEncodedGPR>(
Func, DispatchTy, this->getDest(), Src0, this->getSrc(2), Emitter);
}
@@ -2930,8 +2908,8 @@ void InstX86Pshufd<Machine>::emitIAS(const Cfg *Func) const {
emitIASThreeOpImmOps<
Machine, typename InstX86Base<Machine>::Traits::RegisterSet::XmmRegister,
typename InstX86Base<Machine>::Traits::RegisterSet::XmmRegister,
- InstX86Base<Machine>::Traits::RegisterSet::getEncodedXmm,
- InstX86Base<Machine>::Traits::RegisterSet::getEncodedXmm>(
+ InstX86Base<Machine>::Traits::getEncodedXmm,
+ InstX86Base<Machine>::Traits::getEncodedXmm>(
Func, Ty, Dest, this->getSrc(0), this->getSrc(1), Emitter);
}
@@ -2950,8 +2928,8 @@ void InstX86Shufps<Machine>::emitIAS(const Cfg *Func) const {
emitIASThreeOpImmOps<
Machine, typename InstX86Base<Machine>::Traits::RegisterSet::XmmRegister,
typename InstX86Base<Machine>::Traits::RegisterSet::XmmRegister,
- InstX86Base<Machine>::Traits::RegisterSet::getEncodedXmm,
- InstX86Base<Machine>::Traits::RegisterSet::getEncodedXmm>(
+ InstX86Base<Machine>::Traits::getEncodedXmm,
+ InstX86Base<Machine>::Traits::getEncodedXmm>(
Func, Ty, Dest, this->getSrc(1), this->getSrc(2), Emitter);
}
@@ -2970,7 +2948,7 @@ void InstX86Pop<Machine>::emitIAS(const Cfg *Func) const {
typename InstX86Base<Machine>::Traits::Assembler *Asm =
Func->getAssembler<typename InstX86Base<Machine>::Traits::Assembler>();
if (this->getDest()->hasReg()) {
- Asm->popl(InstX86Base<Machine>::Traits::RegisterSet::getEncodedGPR(
+ Asm->popl(InstX86Base<Machine>::Traits::getEncodedGPR(
this->getDest()->getRegNum()));
} else {
Asm->popl(
@@ -3022,7 +3000,7 @@ void InstX86Push<Machine>::emit(const Cfg *Func) const {
Ostream &Str = Func->getContext()->getStrEmit();
assert(this->getSrcSize() == 1);
// Push is currently only used for saving GPRs.
- const auto Var = llvm::cast<Variable>(this->getSrc(0));
+ const auto *Var = llvm::cast<Variable>(this->getSrc(0));
assert(Var->hasReg());
Str << "\tpush\t";
Var->emit(Func);
@@ -3032,12 +3010,11 @@ template <class Machine>
void InstX86Push<Machine>::emitIAS(const Cfg *Func) const {
assert(this->getSrcSize() == 1);
// Push is currently only used for saving GPRs.
- const auto Var = llvm::cast<Variable>(this->getSrc(0));
+ const auto *Var = llvm::cast<Variable>(this->getSrc(0));
assert(Var->hasReg());
typename InstX86Base<Machine>::Traits::Assembler *Asm =
Func->getAssembler<typename InstX86Base<Machine>::Traits::Assembler>();
- Asm->pushl(InstX86Base<Machine>::Traits::RegisterSet::getEncodedGPR(
- Var->getRegNum()));
+ Asm->pushl(InstX86Base<Machine>::Traits::getEncodedGPR(Var->getRegNum()));
}
template <class Machine>
@@ -3136,9 +3113,8 @@ void InstX86Setcc<Machine>::emitIAS(const Cfg *Func) const {
typename InstX86Base<Machine>::Traits::Assembler *Asm =
Func->getAssembler<typename InstX86Base<Machine>::Traits::Assembler>();
if (this->getDest()->hasReg())
- Asm->setcc(Condition,
- InstX86Base<Machine>::Traits::RegisterSet::getEncodedByteReg(
- this->getDest()->getRegNum()));
+ Asm->setcc(Condition, InstX86Base<Machine>::Traits::getEncodedGPR(
+ this->getDest()->getRegNum()));
else
Asm->setcc(
Condition,
@@ -3186,11 +3162,10 @@ void InstX86Xadd<Machine>::emitIAS(const Cfg *Func) const {
InstX86Base<Machine>::Traits::X86OperandMem::DefaultSegment);
const typename InstX86Base<Machine>::Traits::Address Addr =
Mem->toAsmAddress(Asm);
- const auto VarReg = llvm::cast<Variable>(this->getSrc(1));
+ const auto *VarReg = llvm::cast<Variable>(this->getSrc(1));
assert(VarReg->hasReg());
const typename InstX86Base<Machine>::Traits::RegisterSet::GPRRegister Reg =
- InstX86Base<Machine>::Traits::RegisterSet::getEncodedGPR(
- VarReg->getRegNum());
+ InstX86Base<Machine>::Traits::getEncodedGPR(VarReg->getRegNum());
Asm->xadd(Ty, Addr, Reg, this->Locked);
}
@@ -3227,14 +3202,12 @@ void InstX86Xchg<Machine>::emitIAS(const Cfg *Func) const {
const auto *VarReg1 = llvm::cast<Variable>(this->getSrc(1));
assert(VarReg1->hasReg());
const typename InstX86Base<Machine>::Traits::RegisterSet::GPRRegister Reg1 =
- InstX86Base<Machine>::Traits::RegisterSet::getEncodedGPR(
- VarReg1->getRegNum());
+ InstX86Base<Machine>::Traits::getEncodedGPR(VarReg1->getRegNum());
if (const auto *VarReg0 = llvm::dyn_cast<Variable>(this->getSrc(0))) {
assert(VarReg0->hasReg());
const typename InstX86Base<Machine>::Traits::RegisterSet::GPRRegister Reg0 =
- InstX86Base<Machine>::Traits::RegisterSet::getEncodedGPR(
- VarReg0->getRegNum());
+ InstX86Base<Machine>::Traits::getEncodedGPR(VarReg0->getRegNum());
Asm->xchg(Ty, Reg0, Reg1);
return;
}
« src/IceInstARM32.cpp ('K') | « src/IceInstX86Base.h ('k') | src/IceIntrinsics.h » ('j') | src/IceTargetLoweringX8664Traits.h » ('J')

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