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| author | H.J. Lu <hjl.tools@gmail.com> | 2016-03-22 08:36:16 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2016-03-22 08:36:16 -0700 |
| commit | 3c9a4cd16cbc7b79094fec68add2df66061ab5d7 (patch) | |
| tree | b24b971460ca18529a6fb235f90a9a9d47a04615 | |
| parent | f781a9e96138d8839663af5e88649ab1fbed74f8 (diff) | |
| download | glibc-3c9a4cd16cbc7b79094fec68add2df66061ab5d7.tar.gz glibc-3c9a4cd16cbc7b79094fec68add2df66061ab5d7.tar.xz glibc-3c9a4cd16cbc7b79094fec68add2df66061ab5d7.zip | |
Don't set %rcx twice before "rep movsb"
* sysdeps/x86_64/multiarch/memcpy-avx-unaligned.S (MEMCPY): Don't set %rcx twice before "rep movsb".
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | sysdeps/x86_64/multiarch/memcpy-avx-unaligned.S | 1 |
2 files changed, 5 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog index 522bc4fbc8..54454a54be 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,10 @@ 2016-03-22 H.J. Lu <hongjiu.lu@intel.com> + * sysdeps/x86_64/multiarch/memcpy-avx-unaligned.S (MEMCPY): + Don't set %rcx twice before "rep movsb". + +2016-03-22 H.J. Lu <hongjiu.lu@intel.com> + [BZ #19583] * sysdeps/x86/cpu-features.c (get_common_indeces): Remove inline. Check family before setting family, model and diff --git a/sysdeps/x86_64/multiarch/memcpy-avx-unaligned.S b/sysdeps/x86_64/multiarch/memcpy-avx-unaligned.S index 74fed186e9..b615d063c0 100644 --- a/sysdeps/x86_64/multiarch/memcpy-avx-unaligned.S +++ b/sysdeps/x86_64/multiarch/memcpy-avx-unaligned.S @@ -234,7 +234,6 @@ L(gobble_data_movsb): cmp %rcx, %rdx jae L(gobble_big_data_fwd) mov %rdx, %rcx - mov %rdx, %rcx rep movsb ret |