diff options
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 4 | ||||
| -rw-r--r-- | llvm/test/CodeGen/X86/soft-sitofp.ll | 15 |
2 files changed, 17 insertions, 2 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index 4240aaafe57..3434f8c7f0b 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -26419,8 +26419,8 @@ static SDValue PerformSINT_TO_FPCombine(SDNode *N, SelectionDAG &DAG, } // Transform (SINT_TO_FP (i64 ...)) into an x87 operation if we have - // a 32-bit target where SSE doesn't support i64->FP operations. - if (Op0.getOpcode() == ISD::LOAD) { + // a 32-bit target where SSE doesn't support i64->FP operations. + if (!Subtarget->useSoftFloat() && Op0.getOpcode() == ISD::LOAD) { LoadSDNode *Ld = cast<LoadSDNode>(Op0.getNode()); EVT LdVT = Ld->getValueType(0); diff --git a/llvm/test/CodeGen/X86/soft-sitofp.ll b/llvm/test/CodeGen/X86/soft-sitofp.ll new file mode 100644 index 00000000000..da26c7f7641 --- /dev/null +++ b/llvm/test/CodeGen/X86/soft-sitofp.ll @@ -0,0 +1,15 @@ +; RUN: llc < %s | FileCheck %s + +target datalayout = "e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128" +target triple = "i386-pc-linux" + +; Function Attrs: nounwind +; CHECK-LABEL: ll_to_d: +; CHECK: calll __floatdidf +define double @ll_to_d(i64 %n) #0 { +entry: + %conv = sitofp i64 %n to double + ret double %conv +} + +attributes #0 = { nounwind "use-soft-float"="true" } |
