// TargetLowering Configuration Methods - These methods should be invoked by
// the derived class constructor to configure this object for the target.
//
-
- /// \brief Reset the operation actions based on target options.
- virtual void resetOperationActions() {}
-
protected:
/// Specify how the target extends the result of integer and floating point
/// boolean values from i1 to a wider type. See getBooleanContents.
return Insert256BitVector(V, V2, NumElems/2, DAG, dl);
}
-// FIXME: This should stop caching the target machine as soon as
-// we can remove resetOperationActions et al.
X86TargetLowering::X86TargetLowering(const X86TargetMachine &TM)
: TargetLowering(TM) {
Subtarget = &TM.getSubtarget<X86Subtarget>();
X86ScalarSSEf32 = Subtarget->hasSSE1();
TD = getDataLayout();
- resetOperationActions();
-}
-
-void X86TargetLowering::resetOperationActions() {
- const TargetMachine &TM = getTargetMachine();
- static bool FirstTimeThrough = true;
-
- // If none of the target options have changed, then we don't need to reset the
- // operation actions.
- if (!FirstTimeThrough && TO == TM.Options) return;
-
- if (!FirstTimeThrough) {
- // Reinitialize the actions.
- initActions();
- FirstTimeThrough = false;
- }
-
- TO = TM.Options;
-
// Set up the TargetLowering object.
static const MVT IntVTs[] = { MVT::i8, MVT::i16, MVT::i32, MVT::i64 };
bool isNoopAddrSpaceCast(unsigned SrcAS, unsigned DestAS) const override;
- /// \brief Reset the operation actions based on target options.
- void resetOperationActions() override;
-
bool useLoadStackGuardNode() const override;
/// \brief Customize the preferred legalization strategy for certain types.
LegalizeTypeAction getPreferredVectorAction(EVT VT) const override;
const X86Subtarget *Subtarget;
const DataLayout *TD;
- /// Used to store the TargetOptions so that we don't waste time resetting
- /// the operation actions unless we have to.
- TargetOptions TO;
-
/// Select between SSE or x87 floating point ops.
/// When SSE is available, use it for f32 operations.
/// When SSE2 is available, use it for f64 operations.