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| author | Jonathan Roelofs <jonathan@codesourcery.com> | 2015-02-14 01:38:35 +0000 |
|---|---|---|
| committer | Jonathan Roelofs <jonathan@codesourcery.com> | 2015-02-14 01:38:35 +0000 |
| commit | bb755d614ab587019545d2dc3aa687788c90a90e (patch) | |
| tree | cad9dada2506d2d48f41889cd74d434a4afda9e4 /libcxxabi/src | |
| parent | 8f2b4f0be8ce083a2fd44100d798adb7943ae1c6 (diff) | |
| download | bcm5719-llvm-bb755d614ab587019545d2dc3aa687788c90a90e.tar.gz bcm5719-llvm-bb755d614ab587019545d2dc3aa687788c90a90e.zip | |
Address post-commit review comments
llvm-svn: 229207
Diffstat (limited to 'libcxxabi/src')
| -rw-r--r-- | libcxxabi/src/Unwind/UnwindRegistersSave.S | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libcxxabi/src/Unwind/UnwindRegistersSave.S b/libcxxabi/src/Unwind/UnwindRegistersSave.S index aa437ca2a17..de100a5d86b 100644 --- a/libcxxabi/src/Unwind/UnwindRegistersSave.S +++ b/libcxxabi/src/Unwind/UnwindRegistersSave.S @@ -317,6 +317,9 @@ DEFINE_LIBUNWIND_FUNCTION(unw_getcontext) str lr, [r0, #60] @ store return address as pc #endif #if __ARM_ARCH_ISA_THUMB1 == 1 + @ T1 does not have a non-cpsr-clobbering register-zeroing instruction. + @ It is safe to use here though because we are about to return, and cpsr is + @ not expected to be preserved. movs r0, #0 @ return UNW_ESUCCESS #else mov r0, #0 @ return UNW_ESUCCESS |
