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| author | Tim Northover <tnorthover@apple.com> | 2014-11-05 00:27:20 +0000 |
|---|---|---|
| committer | Tim Northover <tnorthover@apple.com> | 2014-11-05 00:27:20 +0000 |
| commit | dc0d9e46a5efbcd496fe60070f569185a9418397 (patch) | |
| tree | 1c8a0573f44ff80ef1b73414b3233e5c3c39c039 /llvm/lib/Target/ARM/Disassembler/ARMDisassembler.cpp | |
| parent | 228c943f316eea630dfb94e270af7e342bd5dd56 (diff) | |
| download | llvm-dc0d9e46a5efbcd496fe60070f569185a9418397.zip llvm-dc0d9e46a5efbcd496fe60070f569185a9418397.tar.gz llvm-dc0d9e46a5efbcd496fe60070f569185a9418397.tar.bz2 | |
ARM: try to add extra CS-register whenever stack alignment >= 8.
We currently try to push an even number of registers to preserve 8-byte
alignment during a function's prologue, but only when the stack alignment is
prcisely 8. Many of the reasons for doing it apply also when that alignment > 8
(the extra store is often free, and can save another stack adjustment, though
less frequently for 16-byte stack alignment).
llvm-svn: 221321
Diffstat (limited to 'llvm/lib/Target/ARM/Disassembler/ARMDisassembler.cpp')
0 files changed, 0 insertions, 0 deletions