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Set nomacro before emitting the sequence of instructions that set global pointer

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144665 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Akira Hatanaka 2011-11-15 18:44:44 +00:00
parent 160408546c
commit ac20aad81c
1 changed files with 2 additions and 3 deletions
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5
lib/Target/Mips/MipsFrameLowering.cpp
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@ -169,13 +169,14 @@ void MipsFrameLowering::emitPrologue(MachineFunction &MF) const {
MFI->setStackSize(StackSize);
BuildMI(MBB, MBBI, dl, TII.get(Mips::NOREORDER));
BuildMI(MBB, MBBI, dl, TII.get(Mips::NOMACRO));
// Emit instructions that set $gp using the the value of $t9.
// O32 uses the directive .cpload while N32/64 requires three instructions to
// do this.
// TODO: Do not emit these instructions if no instructions use $gp.
if (isPIC && STI.isABI_O32())
BuildMI(MBB, MBBI, dl, TII.get(Mips::CPLOAD))
BuildMI(MBB, llvm::prior(MBBI), dl, TII.get(Mips::CPLOAD))
.addReg(RegInfo->getPICCallReg());
else if (STI.isABI_N64() || (isPIC && STI.isABI_N32())) {
// lui $28,%hi(%neg(%gp_rel(fname)))
@ -189,8 +190,6 @@ void MipsFrameLowering::emitPrologue(MachineFunction &MF) const {
.addGlobalAddress(FName, 0, MipsII::MO_GPOFF_LO);
}
BuildMI(MBB, MBBI, dl, TII.get(Mips::NOMACRO));
// No need to allocate space on the stack.
if (StackSize == 0 && !MFI->adjustsStack()) return;