bool X86ScalarSSEf32;
public:
- explicit X86FastISel(FunctionLoweringInfo &funcInfo) : FastISel(funcInfo) {
+ explicit X86FastISel(FunctionLoweringInfo &funcInfo,
+ const TargetLibraryInfo *libInfo)
+ : FastISel(funcInfo, libInfo) {
Subtarget = &TM.getSubtarget<X86Subtarget>();
StackPtr = Subtarget->is64Bit() ? X86::RSP : X86::ESP;
X86ScalarSSEf64 = Subtarget->hasSSE2();
// For now, require SSE/SSE2 for performing floating-point operations,
// since x87 requires additional work.
if (VT == MVT::f64 && !X86ScalarSSEf64)
- return false;
+ return false;
if (VT == MVT::f32 && !X86ScalarSSEf32)
- return false;
+ return false;
// Similarly, no f80 support yet.
if (VT == MVT::f80)
return false;
return 0;
if (!CS.paramHasAttr(1, Attribute::StructRet))
return 0;
- if (CS.paramHasAttr(1, Attribute::InReg))
+ if (CS.paramHasAttr(1, Attribute::InReg))
return 0;
return 4;
}
unsigned X86FastISel::TargetMaterializeConstant(const Constant *C) {
MVT VT;
if (!isTypeLegal(C->getType(), VT))
- return false;
+ return 0;
+
+ // Can't handle alternate code models yet.
+ if (TM.getCodeModel() != CodeModel::Small)
+ return 0;
// Get opcode and regclass of the output for the given load instruction.
unsigned Opc = 0;
const TargetRegisterClass *RC = NULL;
switch (VT.SimpleTy) {
- default: return false;
+ default: return 0;
case MVT::i8:
Opc = X86::MOV8rm;
RC = &X86::GR8RegClass;
break;
case MVT::f80:
// No f80 support yet.
- return false;
+ return 0;
}
// Materialize addresses with LEA instructions.
unsigned Opc = 0;
const TargetRegisterClass *RC = NULL;
switch (VT.SimpleTy) {
- default: return false;
- case MVT::f32:
- if (X86ScalarSSEf32) {
- Opc = X86::FsFLD0SS;
- RC = &X86::FR32RegClass;
- } else {
- Opc = X86::LD_Fp032;
- RC = &X86::RFP32RegClass;
- }
- break;
- case MVT::f64:
- if (X86ScalarSSEf64) {
- Opc = X86::FsFLD0SD;
- RC = &X86::FR64RegClass;
- } else {
- Opc = X86::LD_Fp064;
- RC = &X86::RFP64RegClass;
- }
- break;
- case MVT::f80:
- // No f80 support yet.
- return false;
+ default: return false;
+ case MVT::f32:
+ if (X86ScalarSSEf32) {
+ Opc = X86::FsFLD0SS;
+ RC = &X86::FR32RegClass;
+ } else {
+ Opc = X86::LD_Fp032;
+ RC = &X86::RFP32RegClass;
+ }
+ break;
+ case MVT::f64:
+ if (X86ScalarSSEf64) {
+ Opc = X86::FsFLD0SD;
+ RC = &X86::FR64RegClass;
+ } else {
+ Opc = X86::LD_Fp064;
+ RC = &X86::RFP64RegClass;
+ }
+ break;
+ case MVT::f80:
+ // No f80 support yet.
+ return false;
}
unsigned ResultReg = createResultReg(RC);
if (!X86SelectAddress(LI->getOperand(0), AM))
return false;
- X86InstrInfo &XII = (X86InstrInfo&)TII;
+ const X86InstrInfo &XII = (const X86InstrInfo&)TII;
unsigned Size = TD.getTypeAllocSize(LI->getType());
unsigned Alignment = LI->getAlignment();
namespace llvm {
- FastISel *X86::createFastISel(FunctionLoweringInfo &funcInfo) {
- return new X86FastISel(funcInfo);
+ FastISel *X86::createFastISel(FunctionLoweringInfo &funcInfo,
+ const TargetLibraryInfo *libInfo) {
+ return new X86FastISel(funcInfo, libInfo);
}
}