diff options
| -rw-r--r-- | lib/Target/ARM/ARMBaseRegisterInfo.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/Target/ARM/ARMBaseRegisterInfo.cpp b/lib/Target/ARM/ARMBaseRegisterInfo.cpp index ab3dcd6992..9b92309392 100644 --- a/lib/Target/ARM/ARMBaseRegisterInfo.cpp +++ b/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)) { |