[Sparc] Fix incorrect MI insertion position for spilling f128.

Summary:
Obviously, new built MI (sethi+add or sethi+xor+add) for constructing large offset
should be inserted before new created MI for storing even register into memory.
So the insertion position should be *StMI instead of II.

before fixed:

std %f0, [%g1+80]
sethi 4, %g1        <<<
add %g1, %sp, %g1   <<< this two instructions should be put before "std %f0, [%g1+80]".
sethi 4, %g1
add %g1, %sp, %g1
std %f2, [%g1+88]

after fixed:

sethi 4, %g1
add %g1, %sp, %g1
std %f0, [%g1+80]
sethi 4, %g1
add %g1, %sp, %g1
std %f2, [%g1+88]

Reviewers: venkatra, jyknight

Reviewed By: jyknight

Subscribers: jyknight, fedor.sergeev, jrtc27, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D60397

llvm-svn: 358042

1 files changed, 2 insertions, 2 deletions

diff --git a/llvm/lib/Target/Sparc/SparcRegisterInfo.cpp b/llvm/lib/Target/Sparc/SparcRegisterInfo.cpp
index 9a3010639f2..beb8e2c1ff2 100644
--- a/llvm/lib/Target/Sparc/SparcRegisterInfo.cpp
+++ b/llvm/lib/Target/Sparc/SparcRegisterInfo.cpp
@@ -188,7 +188,7 @@ SparcRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
       MachineInstr *StMI =
         BuildMI(*MI.getParent(), II, dl, TII.get(SP::STDFri))
         .addReg(FrameReg).addImm(0).addReg(SrcEvenReg);
-      replaceFI(MF, II, *StMI, dl, 0, Offset, FrameReg);
+      replaceFI(MF, *StMI, *StMI, dl, 0, Offset, FrameReg);
       MI.setDesc(TII.get(SP::STDFri));
       MI.getOperand(2).setReg(SrcOddReg);
       Offset += 8;
@@ -200,7 +200,7 @@ SparcRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
       MachineInstr *StMI =
         BuildMI(*MI.getParent(), II, dl, TII.get(SP::LDDFri), DestEvenReg)
         .addReg(FrameReg).addImm(0);
-      replaceFI(MF, II, *StMI, dl, 1, Offset, FrameReg);
+      replaceFI(MF, *StMI, *StMI, dl, 1, Offset, FrameReg);
 
       MI.setDesc(TII.get(SP::LDDFri));
       MI.getOperand(0).setReg(DestOddReg);