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author | H.J. Lu <hjl.tools@gmail.com> | 2017-06-23 12:45:57 -0700 |
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committer | H.J. Lu <hjl.tools@gmail.com> | 2017-06-23 12:46:12 -0700 |
commit | 049816c3be14e47e5fe10f8cd5a38bb611d34ce5 (patch) | |
tree | ad7c9e5f7277c4e8dd9dcaf4fa2cc0bbf78ac1cc /ChangeLog | |
parent | 52a8e5cb43a937d5224d271537093a1f92d78e94 (diff) | |
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x86-64: Optimize L(between_2_3) in memcmp-avx2-movbe.S
Turn
movzbl -1(%rdi, %rdx), %edi
movzbl -1(%rsi, %rdx), %esi
orl %edi, %eax
orl %esi, %ecx
into
movb -1(%rdi, %rdx), %al
movb -1(%rsi, %rdx), %cl
* sysdeps/x86_64/multiarch/memcmp-avx2-movbe.S (between_2_3):
Replace movzbl and orl with movb.
Diffstat (limited to 'ChangeLog')
-rw-r--r-- | ChangeLog | 5 |
1 files changed, 5 insertions, 0 deletions
@@ -1,3 +1,8 @@ +2017-06-23 H.J. Lu <hongjiu.lu@intel.com> + + * sysdeps/x86_64/multiarch/memcmp-avx2-movbe.S (between_2_3): + Replace movzbl and orl with movb. + 2017-06-23 Gabriel F. T. Gomes <gftg@linux.vnet.ibm.com> * manual/arith.texi (Infinity and NaN): Document SNANFN and SNANFNx. |