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authorAnton Blanchard <anton@ozlabs.org>2021-07-27 15:47:51 +1000
committerTulio Magno Quites Machado Filho <tuliom@linux.ibm.com>2021-08-06 16:10:08 -0300
commit60b4dd25790342b40e8942e3a4115f511a6b6911 (patch)
tree3e2684b2432e8fe0ff9f65fa66cb238112309a0b /sysdeps/powerpc/powerpc64/multiarch/memcmp.c
parentf2a15dd668913c5a1388ba7e1131b25162b2ea75 (diff)
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powerpc64: Add checks for Altivec and VSX in ifunc selection
We'd like to support processors without Altivec or VSX, so check the relevant hwcap bits before selecting them. Reviewed-by: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>
Diffstat (limited to 'sysdeps/powerpc/powerpc64/multiarch/memcmp.c')
-rw-r--r--sysdeps/powerpc/powerpc64/multiarch/memcmp.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/sysdeps/powerpc/powerpc64/multiarch/memcmp.c b/sysdeps/powerpc/powerpc64/multiarch/memcmp.c
index 99559bc..89b56c1 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/memcmp.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/memcmp.c
@@ -38,7 +38,8 @@ libc_ifunc_redirected (__redirect_memcmp, memcmp,
&& hwcap & PPC_FEATURE_HAS_VSX)
? __memcmp_power10 :
#endif
- (hwcap2 & PPC_FEATURE2_ARCH_2_07)
+ (hwcap2 & PPC_FEATURE2_ARCH_2_07
+ && hwcap & PPC_FEATURE_HAS_ALTIVEC)
? __memcmp_power8 :
(hwcap & PPC_FEATURE_ARCH_2_06)
? __memcmp_power7