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XCore Target: correct callee save register spilling when callsUnwindInit is true.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198616 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Robert Lytton
2014-01-06 14:21:12 +00:00
parent 3a905cbce6
commit f1c1a7ce44
3 changed files with 120 additions and 5 deletions
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12
lib/Target/XCore/XCoreRegisterInfo.cpp
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@@ -199,11 +199,21 @@ bool XCoreRegisterInfo::needsFrameMoves(const MachineFunction &MF) {
const uint16_t* XCoreRegisterInfo::getCalleeSavedRegs(const MachineFunction *MF)
const {
// The callee saved registers LR & FP are explicitly handled during
// emitPrologue & emitEpilogue and releated functions.
static const uint16_t CalleeSavedRegs[] = {
XCore::R4, XCore::R5, XCore::R6, XCore::R7,
XCore::R8, XCore::R9, XCore::R10, XCore::LR,
XCore::R8, XCore::R9, XCore::R10,
0
};
static const uint16_t CalleeSavedRegsFP[] = {
XCore::R4, XCore::R5, XCore::R6, XCore::R7,
XCore::R8, XCore::R9,
0
};
const TargetFrameLowering *TFI = MF->getTarget().getFrameLowering();
if (TFI->hasFP(*MF))
return CalleeSavedRegsFP;
return CalleeSavedRegs;
}