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| author | H.J. Lu <hjl.tools@gmail.com> | 2020-06-11 12:41:18 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2020-06-17 05:44:02 -0700 |
| commit | a35a59036ebae3efcdf5e8167610e0656fca9770 (patch) | |
| tree | cc68ab38ace7dfb2efc80990dc2903e3812f5b4b /sysdeps/x86_64/multiarch/strrchr-avx2.S | |
| parent | b7c9bb183b799b10c09ec32e98d1843546ea4324 (diff) | |
| download | glibc-a35a59036ebae3efcdf5e8167610e0656fca9770.tar.gz glibc-a35a59036ebae3efcdf5e8167610e0656fca9770.tar.xz glibc-a35a59036ebae3efcdf5e8167610e0656fca9770.zip | |
x86_64: Use %xmmN with vpxor to clear a vector register
Since "vpxor %xmmN, %xmmN, %xmmN" clears the whole vector register, use %xmmN, instead of %ymmN, with vpxor to clear a vector register.
Diffstat (limited to 'sysdeps/x86_64/multiarch/strrchr-avx2.S')
| -rw-r--r-- | sysdeps/x86_64/multiarch/strrchr-avx2.S | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sysdeps/x86_64/multiarch/strrchr-avx2.S b/sysdeps/x86_64/multiarch/strrchr-avx2.S index 23077b4c45..146bdd51d0 100644 --- a/sysdeps/x86_64/multiarch/strrchr-avx2.S +++ b/sysdeps/x86_64/multiarch/strrchr-avx2.S @@ -44,7 +44,7 @@ ENTRY (STRRCHR) movl %edi, %ecx /* Broadcast CHAR to YMM4. */ VPBROADCAST %xmm4, %ymm4 - vpxor %ymm0, %ymm0, %ymm0 + vpxor %xmm0, %xmm0, %xmm0 /* Check if we may cross page boundary with one vector load. */ andl $(2 * VEC_SIZE - 1), %ecx |