diff options
| author | Noah Goldstein <goldstein.w.n@gmail.com> | 2022-06-15 10:41:28 -0700 |
|---|---|---|
| committer | Noah Goldstein <goldstein.w.n@gmail.com> | 2022-06-15 14:25:55 -0700 |
| commit | 89a25c6f64746732b87eaf433af0964b564d4a92 (patch) | |
| tree | e1abe35fdb54d1a7358955964ae022b86a7de775 /scripts/check-execstack.awk | |
| parent | b446822b6ae4e8149902a78cdd4a886634ad6321 (diff) | |
| download | glibc-89a25c6f64746732b87eaf433af0964b564d4a92.tar.xz glibc-89a25c6f64746732b87eaf433af0964b564d4a92.zip | |
x86: Cleanup bounds checking in large memcpy case
1. Fix incorrect lower-bound threshold in L(large_memcpy_2x).
Previously was using `__x86_rep_movsb_threshold` and should
have been using `__x86_shared_non_temporal_threshold`.
2. Avoid reloading __x86_shared_non_temporal_threshold before
the L(large_memcpy_4x) bounds check.
3. Document the second bounds check for L(large_memcpy_4x)
more clearly.
Diffstat (limited to 'scripts/check-execstack.awk')
0 files changed, 0 insertions, 0 deletions