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| author | Uros Bizjak <ubizjak@gmail.com> | 2020-07-24 15:59:38 +0200 |
|---|---|---|
| committer | Uros Bizjak <ubizjak@gmail.com> | 2020-07-24 16:00:39 +0200 |
| commit | 8c7bb540803e8bff9998bc86806e8a83acc75370 (patch) | |
| tree | aa91be40a3aed734265be505531e83b93e5443d2 /gcc | |
| parent | fdc9db25395e5a6e77069c04fe713f165a9c52a4 (diff) | |
| download | gcc-8c7bb540803e8bff9998bc86806e8a83acc75370.zip gcc-8c7bb540803e8bff9998bc86806e8a83acc75370.tar.gz gcc-8c7bb540803e8bff9998bc86806e8a83acc75370.tar.bz2 | |
i386: Emit mfence_sse2 for -Os [PR95750]
2020-07-24 Uroš Bizjak <ubizjak@gmail.com>
gcc/ChangeLog:
PR target/95750
* config/i386/sync.md (mmem_thread_fence): Emit mfence_sse2 for -Os.
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/config/i386/sync.md | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/config/i386/sync.md b/gcc/config/i386/sync.md index c88750d..ed17bb0 100644 --- a/gcc/config/i386/sync.md +++ b/gcc/config/i386/sync.md @@ -123,7 +123,8 @@ rtx mem; if ((TARGET_64BIT || TARGET_SSE2) - && !TARGET_AVOID_MFENCE) + && (optimize_function_for_size_p (cfun) + || !TARGET_AVOID_MFENCE)) mfence_insn = gen_mfence_sse2; else mfence_insn = gen_mfence_nosse; |