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| author | Kai Luo <lkail@cn.ibm.com> | 2020-07-22 04:13:18 +0000 |
|---|---|---|
| committer | Kai Luo <lkail@cn.ibm.com> | 2020-07-22 06:35:12 +0000 |
| commit | 8912252252c87d8ef6623ecf9fdde444560ee4b9 (patch) | |
| tree | 843804c68711f42ebc31413104bda09e87e7b79a /clang/lib/Frontend/CompilerInvocation.cpp | |
| parent | e9f5ca0b7977bb3886feae0d35617a0ea9349a2a (diff) | |
| download | llvm-8912252252c87d8ef6623ecf9fdde444560ee4b9.zip llvm-8912252252c87d8ef6623ecf9fdde444560ee4b9.tar.gz llvm-8912252252c87d8ef6623ecf9fdde444560ee4b9.tar.bz2 | |
[PowerPC] Fix wrong codegen when stack pointer has to realign in prologue
Current powerpc backend generates wrong code sequence if stack pointer
has to realign if -fstack-clash-protection enabled. When probing in
prologue, backend should generate a subtraction instruction rather
than a `stux` instruction to realign the stack pointer.
This patch is part of fix of
https://bugs.llvm.org/show_bug.cgi?id=46759.
Differential Revision: https://reviews.llvm.org/D84218
Diffstat (limited to 'clang/lib/Frontend/CompilerInvocation.cpp')
0 files changed, 0 insertions, 0 deletions