From: "H.J. Lu" <hjl.tools@gmail.com>
To: Noah Goldstein <goldstein.w.n@gmail.com>
Cc: GNU C Library <libc-alpha@sourceware.org>,
"Carlos O'Donell" <carlos@systemhalted.org>
Subject: Re: [PATCH v2] x86-64: Properly indent X86_IFUNC_IMPL_ADD_VN arguments
Date: Wed, 29 Jun 2022 13:26:24 -0700 [thread overview]
Message-ID: <CAMe9rOqrL+ZkwTkjnavjFAQs9vw-CmwZ97iV_YU8mo4m9Tfxaw@mail.gmail.com> (raw)
In-Reply-To: <20220629202223.293961-1-goldstein.w.n@gmail.com>
On Wed, Jun 29, 2022 at 1:22 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 1452b2809e..119f5f040b 100644
> --- a/sysdeps/x86_64/multiarch/ifunc-impl-list.c
> +++ b/sysdeps/x86_64/multiarch/ifunc-impl-list.c
> @@ -58,26 +58,27 @@ __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
It should be SSE2, not 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,
> @@ -315,26 +316,27 @@ __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,
> @@ -784,26 +786,27 @@ __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
>
--
H.J.
next prev parent reply other threads:[~2022-06-29 20:27 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-29 20:22 Noah Goldstein
2022-06-29 20:26 ` H.J. Lu [this message]
2022-06-29 20:42 ` Noah Goldstein
2022-06-29 20:42 ` [PATCH v3] " Noah Goldstein
2022-06-29 21:02 ` H.J. Lu
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