[PATCH v3] x86-64: Properly indent X86_IFUNC_IMPL_ADD_VN arguments

H.J. Lu hjl.tools@gmail.com
Wed Jun 29 21:02:08 GMT 2022


On Wed, Jun 29, 2022 at 1:42 PM Noah Goldstein <goldstein.w.n@gmail.com> wrote:
>
> From: "H.J. Lu" <hjl.tools@gmail.com>
>
> Properly indent X86_IFUNC_IMPL_ADD_VN arguments for memchr, rawmemchr
> and wmemchr.
>
> Co-authored-by: H.J. Lu <hjl.tools@gmail.com>
> ---
>  sysdeps/x86_64/multiarch/ifunc-impl-list.c | 99 +++++++++++-----------
>  1 file changed, 51 insertions(+), 48 deletions(-)
>
> diff --git a/sysdeps/x86_64/multiarch/ifunc-impl-list.c b/sysdeps/x86_64/multiarch/ifunc-impl-list.c
> index 85b17480e5..adf7d4bafd 100644
> --- a/sysdeps/x86_64/multiarch/ifunc-impl-list.c
> +++ b/sysdeps/x86_64/multiarch/ifunc-impl-list.c
> @@ -59,26 +59,27 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
>    /* Support sysdeps/x86_64/multiarch/memchr.c.  */
>    IFUNC_IMPL (i, name, memchr,
>               X86_IFUNC_IMPL_ADD_V4 (array, i, memchr,
> -                             (CPU_FEATURE_USABLE (AVX512VL)
> -                              && CPU_FEATURE_USABLE (AVX512BW)
> -                              && CPU_FEATURE_USABLE (BMI2)),
> -                             __memchr_evex)
> +                                    (CPU_FEATURE_USABLE (AVX512VL)
> +                                     && CPU_FEATURE_USABLE (AVX512BW)
> +                                     && CPU_FEATURE_USABLE (BMI2)),
> +                                    __memchr_evex)
>               X86_IFUNC_IMPL_ADD_V4 (array, i, memchr,
> -                             (CPU_FEATURE_USABLE (AVX512VL)
> -                              && CPU_FEATURE_USABLE (AVX512BW)
> -                              && CPU_FEATURE_USABLE (BMI2)),
> -                             __memchr_evex_rtm)
> +                                    (CPU_FEATURE_USABLE (AVX512VL)
> +                                     && CPU_FEATURE_USABLE (AVX512BW)
> +                                     && CPU_FEATURE_USABLE (BMI2)),
> +                                    __memchr_evex_rtm)
>               X86_IFUNC_IMPL_ADD_V3 (array, i, memchr,
> -                             CPU_FEATURE_USABLE (AVX2),
> -                             __memchr_avx2)
> +                                    CPU_FEATURE_USABLE (AVX2),
> +                                    __memchr_avx2)
>               X86_IFUNC_IMPL_ADD_V3 (array, i, memchr,
> -                             (CPU_FEATURE_USABLE (AVX2)
> -                              && CPU_FEATURE_USABLE (RTM)),
> -                             __memchr_avx2_rtm)
> -             /* Can be lowered to V1 if a V2 implementation is added.  */
> +                                    (CPU_FEATURE_USABLE (AVX2)
> +                                     && CPU_FEATURE_USABLE (RTM)),
> +                                    __memchr_avx2_rtm)
> +             /* ISA V2 wrapper for SSE2 implementation because the SSE2
> +                implementation is also used at ISA level 2.  */
>               X86_IFUNC_IMPL_ADD_V2 (array, i, memchr,
> -                             1,
> -                             __memchr_sse2))
> +                                    1,
> +                                    __memchr_sse2))
>
>    /* Support sysdeps/x86_64/multiarch/memcmp.c.  */
>    IFUNC_IMPL (i, name, memcmp,
> @@ -321,26 +322,27 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
>    /* Support sysdeps/x86_64/multiarch/rawmemchr.c.  */
>    IFUNC_IMPL (i, name, rawmemchr,
>               X86_IFUNC_IMPL_ADD_V4 (array, i, rawmemchr,
> -                             (CPU_FEATURE_USABLE (AVX512VL)
> -                              && CPU_FEATURE_USABLE (AVX512BW)
> -                              && CPU_FEATURE_USABLE (BMI2)),
> -                             __rawmemchr_evex)
> +                                    (CPU_FEATURE_USABLE (AVX512VL)
> +                                     && CPU_FEATURE_USABLE (AVX512BW)
> +                                     && CPU_FEATURE_USABLE (BMI2)),
> +                                    __rawmemchr_evex)
>               X86_IFUNC_IMPL_ADD_V4 (array, i, rawmemchr,
> -                             (CPU_FEATURE_USABLE (AVX512VL)
> -                              && CPU_FEATURE_USABLE (AVX512BW)
> -                              && CPU_FEATURE_USABLE (BMI2)),
> -                             __rawmemchr_evex_rtm)
> +                                    (CPU_FEATURE_USABLE (AVX512VL)
> +                                     && CPU_FEATURE_USABLE (AVX512BW)
> +                                     && CPU_FEATURE_USABLE (BMI2)),
> +                                    __rawmemchr_evex_rtm)
>               X86_IFUNC_IMPL_ADD_V3 (array, i, rawmemchr,
> -                             CPU_FEATURE_USABLE (AVX2),
> -                             __rawmemchr_avx2)
> +                                    CPU_FEATURE_USABLE (AVX2),
> +                                    __rawmemchr_avx2)
>               X86_IFUNC_IMPL_ADD_V3 (array, i, rawmemchr,
> -                             (CPU_FEATURE_USABLE (AVX2)
> -                              && CPU_FEATURE_USABLE (RTM)),
> -                             __rawmemchr_avx2_rtm)
> -             /* Can be lowered to V1 if a V2 implementation is added.  */
> +                                    (CPU_FEATURE_USABLE (AVX2)
> +                                     && CPU_FEATURE_USABLE (RTM)),
> +                                    __rawmemchr_avx2_rtm)
> +             /* ISA V2 wrapper for SSE2 implementation because the SSE2
> +                implementation is also used at ISA level 2.  */
>               X86_IFUNC_IMPL_ADD_V2 (array, i, rawmemchr,
> -                             1,
> -                             __rawmemchr_sse2))
> +                                    1,
> +                                    __rawmemchr_sse2))
>
>    /* Support sysdeps/x86_64/multiarch/strlen.c.  */
>    IFUNC_IMPL (i, name, strlen,
> @@ -790,26 +792,27 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
>    /* Support sysdeps/x86_64/multiarch/wmemchr.c.  */
>    IFUNC_IMPL (i, name, wmemchr,
>               X86_IFUNC_IMPL_ADD_V4 (array, i, wmemchr,
> -                             (CPU_FEATURE_USABLE (AVX512VL)
> -                              && CPU_FEATURE_USABLE (AVX512BW)
> -                              && CPU_FEATURE_USABLE (BMI2)),
> -                             __wmemchr_evex)
> +                                    (CPU_FEATURE_USABLE (AVX512VL)
> +                                     && CPU_FEATURE_USABLE (AVX512BW)
> +                                     && CPU_FEATURE_USABLE (BMI2)),
> +                                    __wmemchr_evex)
>               X86_IFUNC_IMPL_ADD_V4 (array, i, wmemchr,
> -                             (CPU_FEATURE_USABLE (AVX512VL)
> -                              && CPU_FEATURE_USABLE (AVX512BW)
> -                              && CPU_FEATURE_USABLE (BMI2)),
> -                             __wmemchr_evex_rtm)
> +                                    (CPU_FEATURE_USABLE (AVX512VL)
> +                                     && CPU_FEATURE_USABLE (AVX512BW)
> +                                     && CPU_FEATURE_USABLE (BMI2)),
> +                                    __wmemchr_evex_rtm)
>               X86_IFUNC_IMPL_ADD_V3 (array, i, wmemchr,
> -                             CPU_FEATURE_USABLE (AVX2),
> -                             __wmemchr_avx2)
> +                                    CPU_FEATURE_USABLE (AVX2),
> +                                    __wmemchr_avx2)
>               X86_IFUNC_IMPL_ADD_V3 (array, i, wmemchr,
> -                             (CPU_FEATURE_USABLE (AVX2)
> -                              && CPU_FEATURE_USABLE (RTM)),
> -                             __wmemchr_avx2_rtm)
> -             /* Can be lowered to V1 if a V2 implementation is added.  */
> +                                    (CPU_FEATURE_USABLE (AVX2)
> +                                     && CPU_FEATURE_USABLE (RTM)),
> +                                    __wmemchr_avx2_rtm)
> +             /* ISA V2 wrapper for SSE2 implementation because the SSE2
> +                implementation is also used at ISA level 2.  */
>               X86_IFUNC_IMPL_ADD_V2 (array, i, wmemchr,
> -                             1,
> -                             __wmemchr_sse2))
> +                                    1,
> +                                    __wmemchr_sse2))
>
>    /* Support sysdeps/x86_64/multiarch/wmemcmp.c.  */
>    IFUNC_IMPL (i, name, wmemcmp,
> --
> 2.34.1
>

LGTM.

Thanks.

-- 
H.J.


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