diff options
| -rw-r--r-- | lib/Target/ARM/Thumb1FrameLowering.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/Target/ARM/Thumb1FrameLowering.cpp b/lib/Target/ARM/Thumb1FrameLowering.cpp index d4d59ea59d..d8481778c0 100644 --- a/lib/Target/ARM/Thumb1FrameLowering.cpp +++ b/lib/Target/ARM/Thumb1FrameLowering.cpp @@ -155,6 +155,11 @@ void Thumb1FrameLowering::emitPrologue(MachineFunction &MF) const { AFI->setGPRCalleeSavedArea2Size(GPRCS2Size); AFI->setDPRCalleeSavedAreaSize(DPRCSSize); + // Thumb1 does not currently support dynamic stack realignment. Report a + // fatal error rather then silently generate bad code. + if (RegInfo->needsStackRealignment(MF)) + report_fatal_error("Dynamic stack realignment not supported for thumb1."); + // If we need a base pointer, set it up here. It's whatever the value // of the stack pointer is at this point. Any variable size objects // will be allocated after this, so we can still use the base pointer |