From 012f041bced81fc6b44f5adf0210b4a06e7289e3 Mon Sep 17 00:00:00 2001 From: Akira Hatanaka Date: Wed, 25 Jan 2012 04:19:22 +0000 Subject: [PATCH] Mark 64-bit register RA_64 unused too. llvm-svn: 148918 --- llvm/lib/Target/Mips/MipsFrameLowering.cpp | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/llvm/lib/Target/Mips/MipsFrameLowering.cpp b/llvm/lib/Target/Mips/MipsFrameLowering.cpp index dda20c5c214a..9ca69de0e438 100644 --- a/llvm/lib/Target/Mips/MipsFrameLowering.cpp +++ b/llvm/lib/Target/Mips/MipsFrameLowering.cpp @@ -322,7 +322,6 @@ void MipsFrameLowering:: processFunctionBeforeCalleeSavedScan(MachineFunction &MF, RegScavenger *RS) const { MachineRegisterInfo& MRI = MF.getRegInfo(); - unsigned RA = STI.isABI_N64() ? Mips::RA_64 : Mips::RA; unsigned FP = STI.isABI_N64() ? Mips::FP_64 : Mips::FP; // FIXME: remove this code if register allocator can correctly mark @@ -338,7 +337,9 @@ processFunctionBeforeCalleeSavedScan(MachineFunction &MF, // To correct this, $ra is explicitly marked unused if there is no // function call. if (MF.getFrameInfo()->hasCalls()) - MRI.setPhysRegUsed(RA); - else - MRI.setPhysRegUnused(RA); + MRI.setPhysRegUsed(Mips::RA); + else { + MRI.setPhysRegUnused(Mips::RA); + MRI.setPhysRegUnused(Mips::RA_64); + } }