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| author | Jakub Jelinek <jakub@redhat.com> | 2023-06-15 09:08:37 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@redhat.com> | 2023-06-15 09:08:37 +0200 |
| commit | ec52d228d6db7f77188ad099a8c0ff65dead3241 (patch) | |
| tree | 0c29de752bf7eb40f185b56f438a28c977898435 /gcc/coverage.cc | |
| parent | b6ca11407d4f5d16ccfb580ea2d3d9aa08d7cd11 (diff) | |
| download | gcc-ec52d228d6db7f77188ad099a8c0ff65dead3241.zip gcc-ec52d228d6db7f77188ad099a8c0ff65dead3241.tar.gz gcc-ec52d228d6db7f77188ad099a8c0ff65dead3241.tar.bz2 | |
i386: Add peephole2 patterns to improve subtract with borrow with memory destination [PR79173]
This patch adds subborrow<mode> alternative so that it can have memory
destination and adds various peephole2s which help to match it.
2023-06-15 Jakub Jelinek <jakub@redhat.com>
PR middle-end/79173
* config/i386/i386.md (subborrow<mode>): Add alternative with
memory destination and add for it define_peephole2
TARGET_READ_MODIFY_WRITE/-Os patterns to prefer using memory
destination in these patterns.
Diffstat (limited to 'gcc/coverage.cc')
0 files changed, 0 insertions, 0 deletions