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| author | Jim Grosbach <grosbach@apple.com> | 2009-09-28 22:08:06 +0000 |
|---|---|---|
| committer | Jim Grosbach <grosbach@apple.com> | 2009-09-28 22:08:06 +0000 |
| commit | 5264202a383162edb660bf333dd496b255fd9e6c (patch) | |
| tree | c6d02cf3a0cbcad13def1d55e4ccc9c3e98c3138 | |
| parent | 9021fc7026be8b3f59e2c9263a2e80365d96543d (diff) | |
| download | bcm5719-llvm-5264202a383162edb660bf333dd496b255fd9e6c.tar.gz bcm5719-llvm-5264202a383162edb660bf333dd496b255fd9e6c.zip | |
Adjust processFunctionBeforeCalleeSavedScan() to correctly reserve a stack
slot for the register scavenger when compiling Thumb1 functions.
llvm-svn: 83023
| -rw-r--r-- | llvm/lib/Target/ARM/ARMBaseRegisterInfo.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/llvm/lib/Target/ARM/ARMBaseRegisterInfo.cpp b/llvm/lib/Target/ARM/ARMBaseRegisterInfo.cpp index ab3dcd6992c..9b923093923 100644 --- a/llvm/lib/Target/ARM/ARMBaseRegisterInfo.cpp +++ b/llvm/lib/Target/ARM/ARMBaseRegisterInfo.cpp @@ -536,7 +536,8 @@ ARMBaseRegisterInfo::processFunctionBeforeCalleeSavedScan(MachineFunction &MF, } } - if (CSRegClasses[i] == ARM::GPRRegisterClass) { + if (CSRegClasses[i] == ARM::GPRRegisterClass || + CSRegClasses[i] == ARM::tGPRRegisterClass) { if (Spilled) { NumGPRSpills++; @@ -667,7 +668,8 @@ ARMBaseRegisterInfo::processFunctionBeforeCalleeSavedScan(MachineFunction &MF, NumExtras--; } } - while (NumExtras && !UnspilledCS2GPRs.empty()) { + while (NumExtras && !UnspilledCS2GPRs.empty() && + !AFI->isThumb1OnlyFunction()) { unsigned Reg = UnspilledCS2GPRs.back(); UnspilledCS2GPRs.pop_back(); if (!isReservedReg(MF, Reg)) { |
