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| author | Jakub Jelinek <jakub@redhat.com> | 2018-06-26 13:35:52 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2018-06-26 13:35:52 +0200 |
| commit | d37a91e5c57c518c91de2e570fdbf9d96f90dd41 (patch) | |
| tree | c0bd05538b2868f34434c73cfba6ec1b50421d2b /gcc/tree-ssa-loop-ivopts.c | |
| parent | f03915116bd2e15713cd20872f224b5ecd0a9b28 (diff) | |
| download | gcc-d37a91e5c57c518c91de2e570fdbf9d96f90dd41.zip gcc-d37a91e5c57c518c91de2e570fdbf9d96f90dd41.tar.gz gcc-d37a91e5c57c518c91de2e570fdbf9d96f90dd41.tar.bz2 | |
re PR target/86314 (GCC 7.x and 8.x zero out "eax" before using "rax" in "lock bts")
PR target/86314
* config/i386/i386.md (setcc + movzbl to xor + setcc peephole2s):
Check reg_overlap_mentioned_p in addition to reg_set_p with the same
operands.
* gcc.dg/pr86314.c: New test.
From-SVN: r262141
Diffstat (limited to 'gcc/tree-ssa-loop-ivopts.c')
0 files changed, 0 insertions, 0 deletions