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f360f94a05
The optimization is achieved by following techniques:
> data alignment [gain from aligned memory access on read/write]
> POWER7 gains performance with loop unrolling/unwinding
[gain by reduction of branch penalty].
> zero padding done by calling optimized memset
33 lines
1.6 KiB
Makefile
33 lines
1.6 KiB
Makefile
ifeq ($(subdir),string)
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sysdep_routines += memcpy-power7 memcpy-a2 memcpy-power6 memcpy-cell \
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memcpy-power4 memcpy-ppc64 memcmp-power7 memcmp-power4 \
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memcmp-ppc64 memset-power7 memset-power6 memset-power4 \
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memset-ppc64 bzero-power4 bzero-power6 bzero-power7 \
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mempcpy-power7 mempcpy-ppc64 memchr-power7 memchr-ppc64 \
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memrchr-power7 memrchr-ppc64 rawmemchr-power7 \
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rawmemchr-ppc64 strlen-power7 strlen-ppc64 strnlen-power7 \
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strnlen-ppc64 strcasecmp-power7 strcasecmp_l-power7 \
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strncase-power7 strncase_l-power7 strncmp-power7 \
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strncmp-power4 strncmp-ppc64 strchr-power7 strchr-ppc64 \
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strchrnul-power7 strchrnul-ppc64 wcschr-power7 \
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wcschr-power6 wcschr-ppc64 wcsrchr-power7 wcsrchr-power6 \
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wcsrchr-ppc64 wcscpy-power7 wcscpy-power6 wcscpy-ppc64 \
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wordcopy-power7 wordcopy-power6 wordcopy-ppc64 \
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strcpy-power7 strcpy-ppc64 stpcpy-power7 stpcpy-ppc64 \
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strrchr-power7 strrchr-ppc64 strncat-power7 strncat-ppc64 \
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strspn-power7 strspn-ppc64 strcspn-power7 strcspn-ppc64 \
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strpbrk-power7 strpbrk-ppc64 strncpy-power7 strncpy-ppc64 \
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stpncpy-power7 stpncpy-ppc64
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CFLAGS-strncase-power7.c += -mcpu=power7 -funroll-loops
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CFLAGS-strncase_l-power7.c += -mcpu=power7 -funroll-loops
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CFLAGS-wcschr-power7.c += -mcpu=power7
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CFLAGS-wcschr-power6.c += -mcpu=power6
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CFLAGS-wcsrchr-power7.c += -mcpu=power7
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CFLAGS-wcsrchr-power6.c += -mcpu=power6
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CFLAGS-wcscpy-power7.c += -mcpu=power7
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CFLAGS-wcscpy-power6.c += -mcpu=power6
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CFLAGS-wordcopy-power7.c += -mcpu=power7
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CFLAGS-wordcopy-power6.c += -mcpu=power6
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endif
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