From d7970f9e4ba3bbd23fe8fc1941f1281ff5bc4d61 Mon Sep 17 00:00:00 2001 From: Akira Hatanaka Date: Tue, 24 Jan 2012 23:18:43 +0000 Subject: [PATCH] Sign-extend 32-bit integer arguments when they are passed in 64-bit registers, which is what N32/64 does. llvm-svn: 148875 --- llvm/lib/Target/Mips/MipsISelLowering.cpp | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/llvm/lib/Target/Mips/MipsISelLowering.cpp b/llvm/lib/Target/Mips/MipsISelLowering.cpp index 96b297c6fcab..2f366b399695 100644 --- a/llvm/lib/Target/Mips/MipsISelLowering.cpp +++ b/llvm/lib/Target/Mips/MipsISelLowering.cpp @@ -2299,7 +2299,10 @@ MipsTargetLowering::LowerCall(SDValue InChain, SDValue Callee, Arg = DAG.getNode(ISD::ZERO_EXTEND, dl, LocVT, Arg); break; case CCValAssign::AExt: - Arg = DAG.getNode(ISD::ANY_EXTEND, dl, LocVT, Arg); + if (ValVT == MVT::i32) + Arg = DAG.getNode(ISD::SIGN_EXTEND, dl, LocVT, Arg); + else + Arg = DAG.getNode(ISD::ANY_EXTEND, dl, LocVT, Arg); break; }