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llvm/lib/Target/RISCV/RISCVISelLowering.cpp
| Show First 20 Lines • Show All 230 Lines • ▼ Show 20 Lines | RISCVTargetLowering::RISCVTargetLowering(const TargetMachine &TM, | ||||
| // Function alignments. | // Function alignments. | ||||
| const Align FunctionAlignment(Subtarget.hasStdExtC() ? 2 : 4); | const Align FunctionAlignment(Subtarget.hasStdExtC() ? 2 : 4); | ||||
| setMinFunctionAlignment(FunctionAlignment); | setMinFunctionAlignment(FunctionAlignment); | ||||
| setPrefFunctionAlignment(FunctionAlignment); | setPrefFunctionAlignment(FunctionAlignment); | ||||
| // Effectively disable jump table generation. | // Effectively disable jump table generation. | ||||
| setMinimumJumpTableEntries(INT_MAX); | setMinimumJumpTableEntries(INT_MAX); | ||||
| // Jumps are expensive, compared to logic | |||||
| setJumpIsExpensive(); | |||||
| // We can use any register for comparisons | |||||
| setHasMultipleConditionRegisters(); | |||||
| } | } | ||||
| EVT RISCVTargetLowering::getSetCCResultType(const DataLayout &DL, LLVMContext &, | EVT RISCVTargetLowering::getSetCCResultType(const DataLayout &DL, LLVMContext &, | ||||
| EVT VT) const { | EVT VT) const { | ||||
| if (!VT.isVector()) | if (!VT.isVector()) | ||||
| return getPointerTy(DL); | return getPointerTy(DL); | ||||
| return VT.changeVectorElementTypeToInteger(); | return VT.changeVectorElementTypeToInteger(); | ||||
| } | } | ||||
| ▲ Show 20 Lines • Show All 2,746 Lines • Show Last 20 Lines | |||||