Index: lib/Target/X86/X86ISelLowering.cpp =================================================================== --- lib/Target/X86/X86ISelLowering.cpp +++ lib/Target/X86/X86ISelLowering.cpp @@ -26446,8 +26446,8 @@ } // 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(Op0.getNode()); EVT LdVT = Ld->getValueType(0); Index: test/CodeGen/X86/soft-sitofp.ll =================================================================== --- test/CodeGen/X86/soft-sitofp.ll +++ 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" }