From 99939d39c9555ebecbcd24c1b607eae52804ea37 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Fri, 28 Jan 2005 22:58:25 +0000 Subject: [PATCH] Alpha doesn't have a native f32 extload instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19880 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index e435bd609de..56ed08e680f 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -256,7 +256,11 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) { bool isDouble = VT == MVT::f64; ConstantFP *LLVMC = ConstantFP::get(isDouble ? Type::DoubleTy : Type::FloatTy, CFP->getValue()); - if (isDouble && CFP->isExactlyValue((float)CFP->getValue())) { + if (isDouble && CFP->isExactlyValue((float)CFP->getValue()) && + // Only do this if the target has a native EXTLOAD instruction from + // f32. + TLI.getOperationAction(ISD::EXTLOAD, + MVT::f32) == TargetLowering::Legal) { LLVMC = cast(ConstantExpr::getCast(LLVMC, Type::FloatTy)); VT = MVT::f32; Extend = true;