diff options
| author | Anton Blanchard <anton@ozlabs.org> | 2021-07-27 15:47:51 +1000 |
|---|---|---|
| committer | Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com> | 2021-08-06 16:10:08 -0300 |
| commit | 60b4dd25790342b40e8942e3a4115f511a6b6911 (patch) | |
| tree | 3e2684b2432e8fe0ff9f65fa66cb238112309a0b /sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c | |
| parent | f2a15dd668913c5a1388ba7e1131b25162b2ea75 (diff) | |
| download | glibc-60b4dd25790342b40e8942e3a4115f511a6b6911.tar.gz glibc-60b4dd25790342b40e8942e3a4115f511a6b6911.tar.xz glibc-60b4dd25790342b40e8942e3a4115f511a6b6911.zip | |
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/ifunc-impl-list.c')
| -rw-r--r-- | sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c | 103 |
1 files changed, 69 insertions, 34 deletions
diff --git a/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c b/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c index a3fdcd43bd..c3e25c5981 100644 --- a/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c +++ b/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c @@ -60,9 +60,11 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, && hwcap & PPC_FEATURE_HAS_VSX, __memcpy_power10) #endif - IFUNC_IMPL_ADD (array, i, memcpy, hwcap2 & PPC_FEATURE2_ARCH_2_07, + IFUNC_IMPL_ADD (array, i, memcpy, hwcap2 & PPC_FEATURE2_ARCH_2_07 + && hwcap & PPC_FEATURE_HAS_ALTIVEC, __memcpy_power8_cached) - IFUNC_IMPL_ADD (array, i, memcpy, hwcap & PPC_FEATURE_HAS_VSX, + IFUNC_IMPL_ADD (array, i, memcpy, hwcap & PPC_FEATURE_ARCH_2_06 + && hwcap & PPC_FEATURE_HAS_ALTIVEC, __memcpy_power7) IFUNC_IMPL_ADD (array, i, memcpy, hwcap & PPC_FEATURE_ARCH_2_06, __memcpy_a2) @@ -83,7 +85,8 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, && hwcap & PPC_FEATURE_HAS_VSX, __memmove_power10) #endif - IFUNC_IMPL_ADD (array, i, memmove, hwcap & PPC_FEATURE_HAS_VSX, + IFUNC_IMPL_ADD (array, i, memmove, hwcap & PPC_FEATURE_ARCH_2_06 + && hwcap & PPC_FEATURE_HAS_ALTIVEC, __memmove_power7) IFUNC_IMPL_ADD (array, i, memmove, 1, __memmove_ppc)) @@ -98,6 +101,7 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, __memset_power10) #endif IFUNC_IMPL_ADD (array, i, memset, hwcap2 & PPC_FEATURE2_ARCH_2_07 + && hwcap & PPC_FEATURE_HAS_ALTIVEC && cacheline_size == 128, __memset_power8) IFUNC_IMPL_ADD (array, i, memset, hwcap & PPC_FEATURE_ARCH_2_06 @@ -114,12 +118,15 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, /* Support sysdeps/powerpc/powerpc64/multiarch/strcpy.c. */ IFUNC_IMPL (i, name, strcpy, #ifdef __LITTLE_ENDIAN__ - IFUNC_IMPL_ADD (array, i, strcpy, hwcap2 & PPC_FEATURE2_ARCH_3_00, + IFUNC_IMPL_ADD (array, i, strcpy, hwcap2 & PPC_FEATURE2_ARCH_3_00 + && hwcap & PPC_FEATURE_HAS_VSX, __strcpy_power9) #endif - IFUNC_IMPL_ADD (array, i, strcpy, hwcap2 & PPC_FEATURE2_ARCH_2_07, + IFUNC_IMPL_ADD (array, i, strcpy, hwcap2 & PPC_FEATURE2_ARCH_2_07 + && hwcap & PPC_FEATURE_HAS_ALTIVEC, __strcpy_power8) - IFUNC_IMPL_ADD (array, i, strcpy, hwcap & PPC_FEATURE_HAS_VSX, + IFUNC_IMPL_ADD (array, i, strcpy, hwcap & PPC_FEATURE_ARCH_2_06 + && hwcap & PPC_FEATURE_HAS_VSX, __strcpy_power7) IFUNC_IMPL_ADD (array, i, strcpy, 1, __strcpy_ppc)) @@ -127,12 +134,15 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, /* Support sysdeps/powerpc/powerpc64/multiarch/stpcpy.c. */ IFUNC_IMPL (i, name, stpcpy, #ifdef __LITTLE_ENDIAN__ - IFUNC_IMPL_ADD (array, i, stpcpy, hwcap2 & PPC_FEATURE2_ARCH_3_00, + IFUNC_IMPL_ADD (array, i, stpcpy, hwcap2 & PPC_FEATURE2_ARCH_3_00 + && hwcap & PPC_FEATURE_HAS_VSX, __stpcpy_power9) #endif - IFUNC_IMPL_ADD (array, i, stpcpy, hwcap2 & PPC_FEATURE2_ARCH_2_07, + IFUNC_IMPL_ADD (array, i, stpcpy, hwcap2 & PPC_FEATURE2_ARCH_2_07 + && hwcap & PPC_FEATURE_HAS_ALTIVEC, __stpcpy_power8) - IFUNC_IMPL_ADD (array, i, stpcpy, hwcap & PPC_FEATURE_HAS_VSX, + IFUNC_IMPL_ADD (array, i, stpcpy, hwcap & PPC_FEATURE_ARCH_2_06 + && hwcap & PPC_FEATURE_HAS_VSX, __stpcpy_power7) IFUNC_IMPL_ADD (array, i, stpcpy, 1, __stpcpy_ppc)) @@ -140,12 +150,15 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, /* Support sysdeps/powerpc/powerpc64/multiarch/strlen.c. */ IFUNC_IMPL (i, name, strlen, #ifdef __LITTLE_ENDIAN__ - IFUNC_IMPL_ADD (array, i, strlen, hwcap2 & PPC_FEATURE2_ARCH_3_1, + IFUNC_IMPL_ADD (array, i, strlen, hwcap2 & PPC_FEATURE2_ARCH_3_1 + && hwcap & PPC_FEATURE_HAS_VSX, __strlen_power10) - IFUNC_IMPL_ADD (array, i, strlen, hwcap2 & PPC_FEATURE2_ARCH_3_00, + IFUNC_IMPL_ADD (array, i, strlen, hwcap2 & PPC_FEATURE2_ARCH_3_00 + && hwcap & PPC_FEATURE_HAS_VSX, __strlen_power9) #endif - IFUNC_IMPL_ADD (array, i, strlen, hwcap2 & PPC_FEATURE2_ARCH_2_07, + IFUNC_IMPL_ADD (array, i, strlen, hwcap2 & PPC_FEATURE2_ARCH_2_07 + && hwcap & PPC_FEATURE_HAS_ALTIVEC, __strlen_power8) IFUNC_IMPL_ADD (array, i, strlen, hwcap & PPC_FEATURE_ARCH_2_06, __strlen_power7) @@ -155,7 +168,8 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, /* Support sysdeps/powerpc/powerpc64/multiarch/strncmp.c. */ IFUNC_IMPL (i, name, strncmp, #ifdef __LITTLE_ENDIAN__ - IFUNC_IMPL_ADD (array, i, strncmp, hwcap2 & PPC_FEATURE2_ARCH_3_00, + IFUNC_IMPL_ADD (array, i, strncmp, hwcap2 & PPC_FEATURE2_ARCH_3_00 + && hwcap & PPC_FEATURE_HAS_ALTIVEC, __strncmp_power9) #endif IFUNC_IMPL_ADD (array, i, strncmp, hwcap2 & PPC_FEATURE2_ARCH_2_07, @@ -170,7 +184,8 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, /* Support sysdeps/powerpc/powerpc64/multiarch/strchr.c. */ IFUNC_IMPL (i, name, strchr, IFUNC_IMPL_ADD (array, i, strchr, - hwcap2 & PPC_FEATURE2_ARCH_2_07, + hwcap2 & PPC_FEATURE2_ARCH_2_07 + && hwcap & PPC_FEATURE_HAS_ALTIVEC, __strchr_power8) IFUNC_IMPL_ADD (array, i, strchr, hwcap & PPC_FEATURE_ARCH_2_06, @@ -181,7 +196,8 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, /* Support sysdeps/powerpc/powerpc64/multiarch/strchrnul.c. */ IFUNC_IMPL (i, name, strchrnul, IFUNC_IMPL_ADD (array, i, strchrnul, - hwcap2 & PPC_FEATURE2_ARCH_2_07, + hwcap2 & PPC_FEATURE2_ARCH_2_07 + && hwcap & PPC_FEATURE_HAS_ALTIVEC, __strchrnul_power8) IFUNC_IMPL_ADD (array, i, strchrnul, hwcap & PPC_FEATURE_ARCH_2_06, @@ -198,7 +214,8 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, && hwcap & PPC_FEATURE_HAS_VSX, __memcmp_power10) #endif - IFUNC_IMPL_ADD (array, i, memcmp, hwcap2 & PPC_FEATURE2_ARCH_2_07, + IFUNC_IMPL_ADD (array, i, memcmp, hwcap2 & PPC_FEATURE2_ARCH_2_07 + && hwcap & PPC_FEATURE_HAS_ALTIVEC, __memcmp_power8) IFUNC_IMPL_ADD (array, i, memcmp, hwcap & PPC_FEATURE_ARCH_2_06, __memcmp_power7) @@ -215,11 +232,13 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, && hwcap & PPC_FEATURE_HAS_VSX, __bzero_power10) #endif - IFUNC_IMPL_ADD (array, i, bzero, hwcap2 & PPC_FEATURE2_ARCH_2_07, + IFUNC_IMPL_ADD (array, i, bzero, hwcap2 & PPC_FEATURE2_ARCH_2_07 + && hwcap & PPC_FEATURE_HAS_ALTIVEC, __bzero_power8) IFUNC_IMPL_ADD (array, i, bzero, hwcap & PPC_FEATURE_HAS_VSX, __bzero_power7) - IFUNC_IMPL_ADD (array, i, bzero, hwcap & PPC_FEATURE_ARCH_2_05, + IFUNC_IMPL_ADD (array, i, bzero, hwcap & PPC_FEATURE_ARCH_2_05 + && hwcap & PPC_FEATURE_HAS_ALTIVEC, __bzero_power6) IFUNC_IMPL_ADD (array, i, bzero, hwcap & PPC_FEATURE_POWER4, __bzero_power4) @@ -241,7 +260,8 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, /* Support sysdeps/powerpc/powerpc64/multiarch/mempcpy.c. */ IFUNC_IMPL (i, name, mempcpy, IFUNC_IMPL_ADD (array, i, mempcpy, - hwcap & PPC_FEATURE_HAS_VSX, + hwcap & PPC_FEATURE_ARCH_2_06 + && hwcap & PPC_FEATURE_HAS_ALTIVEC, __mempcpy_power7) IFUNC_IMPL_ADD (array, i, mempcpy, 1, __mempcpy_ppc)) @@ -249,7 +269,8 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, /* Support sysdeps/powerpc/powerpc64/multiarch/memchr.c. */ IFUNC_IMPL (i, name, memchr, IFUNC_IMPL_ADD (array, i, memchr, - hwcap2 & PPC_FEATURE2_ARCH_2_07, + hwcap2 & PPC_FEATURE2_ARCH_2_07 + && hwcap & PPC_FEATURE_HAS_ALTIVEC, __memchr_power8) IFUNC_IMPL_ADD (array, i, memchr, hwcap & PPC_FEATURE_ARCH_2_06, @@ -260,7 +281,8 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, /* Support sysdeps/powerpc/powerpc64/multiarch/memrchr.c. */ IFUNC_IMPL (i, name, memrchr, IFUNC_IMPL_ADD (array, i, memrchr, - hwcap2 & PPC_FEATURE2_ARCH_2_07, + hwcap2 & PPC_FEATURE2_ARCH_2_07 + && hwcap & PPC_FEATURE_HAS_ALTIVEC, __memrchr_power8) IFUNC_IMPL_ADD (array, i, memrchr, hwcap & PPC_FEATURE_ARCH_2_06, @@ -276,7 +298,8 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, && (hwcap & PPC_FEATURE_HAS_VSX), __rawmemchr_power10) IFUNC_IMPL_ADD (array, i, rawmemchr, - hwcap2 & PPC_FEATURE2_ARCH_3_00, + hwcap2 & PPC_FEATURE2_ARCH_3_00 + && hwcap & PPC_FEATURE_HAS_VSX, __rawmemchr_power9) #endif IFUNC_IMPL_ADD (array, i, rawmemchr, @@ -288,7 +311,8 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, /* Support sysdeps/powerpc/powerpc64/multiarch/strnlen.c. */ IFUNC_IMPL (i, name, strnlen, IFUNC_IMPL_ADD (array, i, strnlen, - hwcap2 & PPC_FEATURE2_ARCH_2_07, + hwcap2 & PPC_FEATURE2_ARCH_2_07 + && hwcap & PPC_FEATURE_HAS_ALTIVEC, __strnlen_power8) IFUNC_IMPL_ADD (array, i, strnlen, hwcap & PPC_FEATURE_ARCH_2_06, __strnlen_power7) @@ -298,7 +322,8 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, /* Support sysdeps/powerpc/powerpc64/multiarch/strcasecmp.c. */ IFUNC_IMPL (i, name, strcasecmp, IFUNC_IMPL_ADD (array, i, strcasecmp, - hwcap2 & PPC_FEATURE2_ARCH_2_07, + hwcap2 & PPC_FEATURE2_ARCH_2_07 + && hwcap & PPC_FEATURE_HAS_ALTIVEC, __strcasecmp_power8) IFUNC_IMPL_ADD (array, i, strcasecmp, hwcap & PPC_FEATURE_ARCH_2_06, @@ -316,7 +341,8 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, /* Support sysdeps/powerpc/powerpc64/multiarch/strncase.c. */ IFUNC_IMPL (i, name, strncasecmp, IFUNC_IMPL_ADD (array, i, strncasecmp, - hwcap2 & PPC_FEATURE2_ARCH_2_07, + hwcap2 & PPC_FEATURE2_ARCH_2_07 + && hwcap & PPC_FEATURE_HAS_ALTIVEC, __strncasecmp_power8) IFUNC_IMPL_ADD (array, i, strncasecmp, hwcap & PPC_FEATURE_ARCH_2_06, @@ -334,7 +360,8 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, /* Support sysdeps/powerpc/powerpc64/multiarch/strrchr.c. */ IFUNC_IMPL (i, name, strrchr, IFUNC_IMPL_ADD (array, i, strrchr, - hwcap2 & PPC_FEATURE2_ARCH_2_07, + hwcap2 & PPC_FEATURE2_ARCH_2_07 + && hwcap & PPC_FEATURE_HAS_ALTIVEC, __strrchr_power8) IFUNC_IMPL_ADD (array, i, strrchr, hwcap & PPC_FEATURE_ARCH_2_06, @@ -345,10 +372,12 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, /* Support sysdeps/powerpc/powerpc64/multiarch/strncat.c. */ IFUNC_IMPL (i, name, strncat, IFUNC_IMPL_ADD (array, i, strncat, - hwcap2 & PPC_FEATURE2_ARCH_2_07, + hwcap2 & PPC_FEATURE2_ARCH_2_07 + && hwcap & PPC_FEATURE_HAS_VSX, __strncat_power8) IFUNC_IMPL_ADD (array, i, strncat, - hwcap & PPC_FEATURE_HAS_VSX, + hwcap & PPC_FEATURE_ARCH_2_06 + && hwcap & PPC_FEATURE_HAS_VSX, __strncat_power7) IFUNC_IMPL_ADD (array, i, strncat, 1, __strncat_ppc)) @@ -391,7 +420,8 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, IFUNC_IMPL (i, name, strcmp, #ifdef __LITTLE_ENDIAN__ IFUNC_IMPL_ADD (array, i, strcmp, - hwcap2 & PPC_FEATURE2_ARCH_3_00, + hwcap2 & PPC_FEATURE2_ARCH_3_00 + && hwcap & PPC_FEATURE_HAS_ALTIVEC, __strcmp_power9) #endif IFUNC_IMPL_ADD (array, i, strcmp, @@ -406,10 +436,12 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, /* Support sysdeps/powerpc/powerpc64/multiarch/strcat.c. */ IFUNC_IMPL (i, name, strcat, IFUNC_IMPL_ADD (array, i, strcat, - hwcap2 & PPC_FEATURE2_ARCH_2_07, + hwcap2 & PPC_FEATURE2_ARCH_2_07 + && hwcap & PPC_FEATURE_HAS_VSX, __strcat_power8) IFUNC_IMPL_ADD (array, i, strcat, - hwcap & PPC_FEATURE_HAS_VSX, + hwcap & PPC_FEATURE_ARCH_2_06 + && hwcap & PPC_FEATURE_HAS_VSX, __strcat_power7) IFUNC_IMPL_ADD (array, i, strcat, 1, __strcat_ppc)) @@ -417,7 +449,8 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, /* Support sysdeps/powerpc/powerpc64/multiarch/strspn.c. */ IFUNC_IMPL (i, name, strspn, IFUNC_IMPL_ADD (array, i, strspn, - hwcap2 & PPC_FEATURE2_ARCH_2_07, + hwcap2 & PPC_FEATURE2_ARCH_2_07 + && hwcap & PPC_FEATURE_HAS_VSX, __strspn_power8) IFUNC_IMPL_ADD (array, i, strspn, 1, __strspn_ppc)) @@ -425,7 +458,8 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, /* Support sysdeps/powerpc/powerpc64/multiarch/strcspn.c. */ IFUNC_IMPL (i, name, strcspn, IFUNC_IMPL_ADD (array, i, strcspn, - hwcap2 & PPC_FEATURE2_ARCH_2_07, + hwcap2 & PPC_FEATURE2_ARCH_2_07 + && hwcap & PPC_FEATURE_HAS_VSX, __strcspn_power8) IFUNC_IMPL_ADD (array, i, strcspn, 1, __strcspn_ppc)) @@ -442,7 +476,8 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, /* Support sysdeps/powerpc/powerpc64/multiarch/strcasestr.c. */ IFUNC_IMPL (i, name, strcasestr, IFUNC_IMPL_ADD (array, i, strcasestr, - hwcap2 & PPC_FEATURE2_ARCH_2_07, + hwcap2 & PPC_FEATURE2_ARCH_2_07 + && hwcap & PPC_FEATURE_HAS_ALTIVEC, __strcasestr_power8) IFUNC_IMPL_ADD (array, i, strcasestr, 1, __strcasestr_ppc)) |