Adhemerval Zanella 71ae86478e PowerPC: memset optimization for POWER8/PPC64 ... This patch adds an optimized memset implementation for POWER8. For sizes from 0 to 255 bytes, a word/doubleword algorithm similar to POWER7 optimized one is used. For size higher than 255 two strategies are used: 1. If the constant is different than 0, the memory is written with altivec vector instruction; 2. If constant is 0, dbcz instructions are used. The loop is unrolled to clear 512 byte at time. Using vector instructions increases throughput considerable, with a double performance for sizes larger than 1024. The dcbz loops unrolls also shows performance improvement, by doubling throughput for sizes larger than 8192 bytes.		2014-09-10 07:39:46 -04:00
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Makefile	PowerPC: memset optimization for POWER8/PPC64	2014-09-10 07:39:46 -04:00
bcopy-ppc64.c	PowerPC: optimized memmove for POWER7/PPC64	2014-07-07 15:41:21 -05:00
bcopy.c	PowerPC: optimized memmove for POWER7/PPC64	2014-07-07 15:41:21 -05:00
bzero.c	PowerPC: memset optimization for POWER8/PPC64	2014-09-10 07:39:46 -04:00
ifunc-impl-list.c	PowerPC: memset optimization for POWER8/PPC64	2014-09-10 07:39:46 -04:00
init-arch.h	…
memchr-power7.S	…
memchr-ppc64.c	…
memchr.c	…
memcmp-power4.S	…
memcmp-power7.S	…
memcmp-ppc64.c	…
memcmp.c	…
memcpy-a2.S	…
memcpy-cell.S	…
memcpy-power4.S	…
memcpy-power6.S	…
memcpy-power7.S	…
memcpy-ppc64.S	PowerPC: ifunc improvement for internal calls	2014-05-05 13:30:16 -05:00
memcpy.c	PowerPC: ifunc improvement for internal calls	2014-05-05 13:30:16 -05:00
memmove-power7.S	PowerPC: optimized memmove for POWER7/PPC64	2014-07-07 15:41:21 -05:00
memmove-ppc64.c	PowerPC: Cleanup powerpc memmove	2014-07-08 09:16:15 -05:00
memmove.c	PowerPC: optimized memmove for POWER7/PPC64	2014-07-07 15:41:21 -05:00
mempcpy-power7.S	…
mempcpy-ppc64.c	…
mempcpy.c	…
memrchr-power7.S	…
memrchr-ppc64.c	…
memrchr.c	…
memset-power4.S	PowerPC: multiarch bzero cleanup for PPC64	2014-09-10 07:39:46 -04:00
memset-power6.S	PowerPC: multiarch bzero cleanup for PPC64	2014-09-10 07:39:46 -04:00
memset-power7.S	PowerPC: multiarch bzero cleanup for PPC64	2014-09-10 07:39:46 -04:00
memset-power8.S	PowerPC: memset optimization for POWER8/PPC64	2014-09-10 07:39:46 -04:00
memset-ppc64.S	PowerPC: ifunc improvement for internal calls	2014-05-05 13:30:16 -05:00
memset.c	PowerPC: memset optimization for POWER8/PPC64	2014-09-10 07:39:46 -04:00
rawmemchr-power7.S	…
rawmemchr-ppc64.c	…
rawmemchr.c	…
rtld-memset.c	…
rtld-strchr.S	…
stpcpy-power7.S	…
stpcpy-ppc64.S	…
stpcpy.c	…
stpncpy-power7.S	PowerPC: strncpy/stpncpy optimization for PPC64/POWER7	2014-05-06 09:54:25 -05:00
stpncpy-ppc64.c	PowerPC: strncpy/stpncpy optimization for PPC64/POWER7	2014-05-06 09:54:25 -05:00
stpncpy.c	PowerPC: strncpy/stpncpy optimization for PPC64/POWER7	2014-05-06 09:54:25 -05:00
strcasecmp-power7.S	…
strcasecmp.c	…
strcasecmp_l-power7.S	…
strcasecmp_l.c	…
strcat-power7.c	PowerPC: Fix compiler warnings	2014-07-08 09:16:12 -05:00
strcat-ppc64.c	PowerPC: strcat optimization for PPC64/POWER7	2014-07-02 14:04:21 -05:00
strcat.c	PowerPC: strcat optimization for PPC64/POWER7	2014-07-02 14:04:21 -05:00
strchr-power7.S	…
strchr-ppc64.S	…
strchr.c	…
strchrnul-power7.S	…
strchrnul-ppc64.c	…
strchrnul.c	…
strcmp-power7.S	PowerPC: Optimized strcmp for PPC64/POWER7	2014-06-11 08:39:31 -05:00
strcmp-ppc64.S	PowerPC: Optimized strcmp for PPC64/POWER7	2014-06-11 08:39:31 -05:00
strcmp.c	PowerPC: Optimized strcmp for PPC64/POWER7	2014-06-11 08:39:31 -05:00
strcpy-power7.S	…
strcpy-ppc64.S	…
strcpy.c	…
strcspn-power7.S	PowerPC: optimized strcspn for PPC64/POWER7	2014-03-20 11:24:52 -05:00
strcspn-ppc64.c	PowerPC: optimized strcspn for PPC64/POWER7	2014-03-20 11:24:52 -05:00
strcspn.c	PowerPC: optimized strcspn for PPC64/POWER7	2014-03-20 11:24:52 -05:00
strlen-power7.S	…
strlen-ppc64.S	PowerPC: ifunc improvement for internal calls	2014-05-05 13:30:16 -05:00
strlen.c	PowerPC: ifunc improvement for internal calls	2014-05-05 13:30:16 -05:00
strncase-power7.c	…
strncase.c	…
strncase_l-power7.c	…
strncase_l.c	…
strncat-power7.S	PowerPC: strncat optimization for PPC64	2014-03-10 07:25:09 -05:00
strncat-ppc64.c	PowerPC: strncat optimization for PPC64	2014-03-10 07:25:09 -05:00
strncat.c	PowerPC: strncat optimization for PPC64	2014-03-10 07:25:09 -05:00
strncmp-power4.S	…
strncmp-power7.S	…
strncmp-ppc64.S	…
strncmp.c	…
strncpy-power7.S	PowerPC: strncpy/stpncpy optimization for PPC64/POWER7	2014-05-06 09:54:25 -05:00
strncpy-ppc64.c	PowerPC: strncpy/stpncpy optimization for PPC64/POWER7	2014-05-06 09:54:25 -05:00
strncpy.c	PowerPC: strncpy/stpncpy optimization for PPC64/POWER7	2014-05-06 09:54:25 -05:00
strnlen-power7.S	…
strnlen-ppc64.c	…
strnlen.c	…
strpbrk-power7.S	PowerPC: optimized strpbrk for POWER7	2014-03-20 19:46:13 -05:00
strpbrk-ppc64.c	PowerPC: optimized strpbrk for POWER7	2014-03-20 19:46:13 -05:00
strpbrk.c	PowerPC: optimized strpbrk for POWER7	2014-03-20 19:46:13 -05:00
strrchr-power7.S	PowerPC: strrchr optimization for POWER7/PPC64	2014-03-03 08:06:41 -06:00
strrchr-ppc64.c	PowerPC: strrchr optimization for POWER7/PPC64	2014-03-03 08:06:41 -06:00
strrchr.c	PowerPC: strrchr optimization for POWER7/PPC64	2014-03-03 08:06:41 -06:00
strspn-power7.S	PowerPC: strspn optimization for PPC64/POWER7	2014-03-11 08:54:33 -05:00
strspn-ppc64.c	PowerPC: strspn optimization for PPC64/POWER7	2014-03-11 08:54:33 -05:00
strspn.c	PowerPC: Fix strspn for static build	2014-03-12 06:54:44 -05:00
wcschr-power6.c	…
wcschr-power7.c	…
wcschr-ppc64.c	…
wcschr.c	…
wcscpy-power6.c	…
wcscpy-power7.c	…
wcscpy-ppc64.c	…
wcscpy.c	…
wcsrchr-power6.c	…
wcsrchr-power7.c	…
wcsrchr-ppc64.c	…
wcsrchr.c	…
wordcopy-power6.c	…
wordcopy-power7.c	…
wordcopy-ppc64.c	…
wordcopy.c	…