#include "ARMFrameLowering.h"
#include "ARMISelLowering.h"
#include "ARMInstrInfo.h"
-#include "ARMJITInfo.h"
#include "ARMSelectionDAGInfo.h"
#include "ARMSubtarget.h"
#include "ARMMachineFunctionInfo.h"
UseFusedMulOps("arm-use-mulops",
cl::init(true), cl::Hidden);
+namespace {
enum AlignMode {
DefaultAlign,
StrictAlign,
NoStrictAlign
};
+}
static cl::opt<AlignMode>
Align(cl::desc("Load/store alignment support"),
ARMSubtarget &ARMSubtarget::initializeSubtargetDependencies(StringRef CPU,
StringRef FS) {
initializeEnvironment();
- resetSubtargetFeatures(CPU, FS);
+ initSubtargetFeatures(CPU, FS);
return *this;
}
ARMSubtarget::ARMSubtarget(const std::string &TT, const std::string &CPU,
- const std::string &FS, TargetMachine &TM,
- bool IsLittle, const TargetOptions &Options)
+ const std::string &FS, const TargetMachine &TM,
+ bool IsLittle)
: ARMGenSubtargetInfo(TT, CPU, FS), ARMProcFamily(Others),
ARMProcClass(None), stackAlignment(4), CPUString(CPU), IsLittle(IsLittle),
- TargetTriple(TT), Options(Options), TargetABI(ARM_ABI_UNKNOWN),
+ TargetTriple(TT), Options(TM.Options), TargetABI(ARM_ABI_UNKNOWN),
DL(computeDataLayout(initializeSubtargetDependencies(CPU, FS))),
- TSInfo(DL), JITInfo(),
+ TSInfo(DL),
InstrInfo(isThumb1Only()
? (ARMBaseInstrInfo *)new Thumb1InstrInfo(*this)
: !isThumb()
UnsafeFPMath = false;
}
-void ARMSubtarget::resetSubtargetFeatures(const MachineFunction *MF) {
- AttributeSet FnAttrs = MF->getFunction()->getAttributes();
- Attribute CPUAttr = FnAttrs.getAttribute(AttributeSet::FunctionIndex,
- "target-cpu");
- Attribute FSAttr = FnAttrs.getAttribute(AttributeSet::FunctionIndex,
- "target-features");
- std::string CPU =
- !CPUAttr.hasAttribute(Attribute::None) ?CPUAttr.getValueAsString() : "";
- std::string FS =
- !FSAttr.hasAttribute(Attribute::None) ? FSAttr.getValueAsString() : "";
- if (!FS.empty()) {
- initializeEnvironment();
- resetSubtargetFeatures(CPU, FS);
- }
-}
-
-void ARMSubtarget::resetSubtargetFeatures(StringRef CPU, StringRef FS) {
+void ARMSubtarget::initSubtargetFeatures(StringRef CPU, StringRef FS) {
if (CPUString.empty()) {
if (isTargetIOS() && TargetTriple.getArchName().endswith("v7s"))
// Default to the Swift CPU when targeting armv7s/thumbv7s.
UseMovt = hasV6T2Ops() && ArmUseMOVT;
if (isTargetMachO()) {
- IsR9Reserved = ReserveR9 | !HasV6Ops;
+ IsR9Reserved = ReserveR9 || !HasV6Ops;
SupportsTailCall = !isTargetIOS() || !getTargetTriple().isOSVersionLT(5, 0);
} else {
IsR9Reserved = ReserveR9;
}
unsigned ARMSubtarget::getMispredictionPenalty() const {
- return SchedModel->MispredictPenalty;
+ return SchedModel.MispredictPenalty;
}
bool ARMSubtarget::hasSinCos() const {
return (!isThumb() || hasThumb2());
}
-bool ARMSubtarget::enableAtomicExpandLoadLinked() const {
+bool ARMSubtarget::enableAtomicExpand() const {
return hasAnyDataBarrier() && !isThumb1Only();
}