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-rw-r--r--llvm/lib/Target/RISCV/RISCVISelLowering.cpp5
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/Target/RISCV/RISCVISelLowering.cpp b/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
index 377933e938c..2da0e319ddd 100644
--- a/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
+++ b/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
@@ -302,6 +302,11 @@ bool RISCVTargetLowering::isSExtCheaperThanZExt(EVT SrcVT, EVT DstVT) const {
return Subtarget.is64Bit() && SrcVT == MVT::i32 && DstVT == MVT::i64;
}
+bool RISCVTargetLowering::hasBitPreservingFPLogic(EVT VT) const {
+ return (VT == MVT::f32 && Subtarget.hasStdExtF()) ||
+ (VT == MVT::f64 && Subtarget.hasStdExtD());
+}
+
// Changes the condition code and swaps operands if necessary, so the SetCC
// operation matches one of the comparisons supported directly in the RISC-V
// ISA.
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