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| author | Jakub Jelinek <jakub@redhat.com> | 2023-06-15 09:05:01 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@redhat.com> | 2023-06-15 09:05:01 +0200 |
| commit | b6ca11407d4f5d16ccfb580ea2d3d9aa08d7cd11 (patch) | |
| tree | 715f685410073f921e3f3df502ca56be76936785 /libgm2 | |
| parent | 4e31e63ea7edffd1212fc17ce8d50672035bb64b (diff) | |
| download | gcc-b6ca11407d4f5d16ccfb580ea2d3d9aa08d7cd11.zip gcc-b6ca11407d4f5d16ccfb580ea2d3d9aa08d7cd11.tar.gz gcc-b6ca11407d4f5d16ccfb580ea2d3d9aa08d7cd11.tar.bz2 | |
i386: Add peephole2 patterns to improve add with carry or subtract with borrow with memory destination [PR79173]
This patch adds various peephole2s which help to recognize add with
carry or subtract with borrow with memory destination.
2023-06-14 Jakub Jelinek <jakub@redhat.com>
PR middle-end/79173
* config/i386/i386.md (*sub<mode>_3, @add<mode>3_carry,
addcarry<mode>, @sub<mode>3_carry, *add<mode>3_cc_overflow_1): Add
define_peephole2 TARGET_READ_MODIFY_WRITE/-Os patterns to prefer
using memory destination in these patterns.
Diffstat (limited to 'libgm2')
0 files changed, 0 insertions, 0 deletions