From 463fe24f1dd5132607abb3548a2acb1849e9aa99 Mon Sep 17 00:00:00 2001 From: Chad Rosier Date: Thu, 3 Nov 2011 02:04:59 +0000 Subject: Add support for sign-extending non-legal types in SelectSIToFP(). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143603 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/ARM/ARMFastISel.cpp | 19 ++++++++++++++----- 1 file changed, 14 insertions(+), 5 deletions(-) (limited to 'lib/Target/ARM/ARMFastISel.cpp') diff --git a/lib/Target/ARM/ARMFastISel.cpp b/lib/Target/ARM/ARMFastISel.cpp index 78bda6c..d1f2c7f 100644 --- a/lib/Target/ARM/ARMFastISel.cpp +++ b/lib/Target/ARM/ARMFastISel.cpp @@ -1329,16 +1329,25 @@ bool ARMFastISel::SelectSIToFP(const Instruction *I) { if (!isTypeLegal(Ty, DstVT)) return false; - // FIXME: Handle sign-extension where necessary. - if (!I->getOperand(0)->getType()->isIntegerTy(32)) + Value *Src = I->getOperand(0); + EVT SrcVT = TLI.getValueType(Src->getType(), true); + if (SrcVT != MVT::i32 && SrcVT != MVT::i16 && SrcVT != MVT::i8) return false; - unsigned Op = getRegForValue(I->getOperand(0)); - if (Op == 0) return false; + unsigned SrcReg = getRegForValue(Src); + if (SrcReg == 0) return false; + + // Handle sign-extension. + if (SrcVT == MVT::i16 || SrcVT == MVT::i8) { + EVT DestVT = MVT::i32; + unsigned ResultReg = ARMEmitIntExt(SrcVT, SrcReg, DestVT, /*isZExt*/ false); + if (ResultReg == 0) return false; + SrcReg = ResultReg; + } // The conversion routine works on fp-reg to fp-reg and the operand above // was an integer, move it to the fp registers if possible. - unsigned FP = ARMMoveToFPReg(MVT::f32, Op); + unsigned FP = ARMMoveToFPReg(MVT::f32, SrcReg); if (FP == 0) return false; unsigned Opc; -- cgit v1.1