5508a97976
3.5 snapshot (which around 60% of them did).. r203025, r203050, r203054, r203281, r203581, r203719, r203818, r204155, r204304, r205067, r205630, r205738, r207990, r208501. ok matthew@
25 lines
1.1 KiB
Plaintext
25 lines
1.1 KiB
Plaintext
$OpenBSD: patch-lib_Target_PowerPC_PPCISelDAGToDAG_cpp,v 1.1 2014/07/10 22:46:37 brad Exp $
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r203054
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The PPC global base register cannot be r0
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The global base register cannot be r0 because it might end up as the first
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argument to addi or addis. Fixes PR18316.
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--- lib/Target/PowerPC/PPCISelDAGToDAG.cpp.orig Sun Mar 2 21:57:39 2014
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+++ lib/Target/PowerPC/PPCISelDAGToDAG.cpp Sat Jun 14 04:06:17 2014
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@@ -272,11 +272,11 @@ SDNode *PPCDAGToDAGISel::getGlobalBaseReg() {
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DebugLoc dl;
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if (PPCLowering.getPointerTy() == MVT::i32) {
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- GlobalBaseReg = RegInfo->createVirtualRegister(&PPC::GPRCRegClass);
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+ GlobalBaseReg = RegInfo->createVirtualRegister(&PPC::GPRC_NOR0RegClass);
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BuildMI(FirstMBB, MBBI, dl, TII.get(PPC::MovePCtoLR));
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BuildMI(FirstMBB, MBBI, dl, TII.get(PPC::MFLR), GlobalBaseReg);
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} else {
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- GlobalBaseReg = RegInfo->createVirtualRegister(&PPC::G8RCRegClass);
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+ GlobalBaseReg = RegInfo->createVirtualRegister(&PPC::G8RC_NOX0RegClass);
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BuildMI(FirstMBB, MBBI, dl, TII.get(PPC::MovePCtoLR8));
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BuildMI(FirstMBB, MBBI, dl, TII.get(PPC::MFLR8), GlobalBaseReg);
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}
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