From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 1039) id 954A43858039; Fri, 28 Jan 2022 00:23:00 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 954A43858039 Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: H.J. Lu To: glibc-cvs@sourceware.org Subject: [glibc/release/2.31/master] x86-64: Require BMI2 for __strlen_evex and __strnlen_evex X-Act-Checkin: glibc X-Git-Author: H.J. Lu X-Git-Refname: refs/heads/release/2.31/master X-Git-Oldrev: c0cbb9345ea2d81d017e7725e3ac5250ef870513 X-Git-Newrev: 0d4159c36ccb13330bee09940fd8cb32585f1aa2 Message-Id: <20220128002300.954A43858039@sourceware.org> Date: Fri, 28 Jan 2022 00:23:00 +0000 (GMT) X-BeenThere: glibc-cvs@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Glibc-cvs mailing list List-Unsubscribe: , List-Archive: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 28 Jan 2022 00:23:00 -0000 https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0d4159c36ccb13330bee09940fd8cb32585f1aa2 commit 0d4159c36ccb13330bee09940fd8cb32585f1aa2 Author: H.J. Lu Date: Mon Apr 19 07:07:21 2021 -0700 x86-64: Require BMI2 for __strlen_evex and __strnlen_evex Since __strlen_evex and __strnlen_evex added by commit 1fd8c163a83d96ace1ff78fa6bac7aee084f6f77 Author: H.J. Lu Date: Fri Mar 5 06:24:52 2021 -0800 x86-64: Add ifunc-avx2.h functions with 256-bit EVEX use sarx: c4 e2 6a f7 c0 sarx %edx,%eax,%eax require BMI2 for __strlen_evex and __strnlen_evex in ifunc-impl-list.c. ifunc-avx2.h already requires BMI2 for EVEX implementation. (cherry picked from commit 55bf411b451c13f0fb7ff3d3bf9a820020b45df1) Diff: --- sysdeps/x86_64/multiarch/ifunc-impl-list.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/sysdeps/x86_64/multiarch/ifunc-impl-list.c b/sysdeps/x86_64/multiarch/ifunc-impl-list.c index 99dda1fdc0..d2ed336776 100644 --- a/sysdeps/x86_64/multiarch/ifunc-impl-list.c +++ b/sysdeps/x86_64/multiarch/ifunc-impl-list.c @@ -293,7 +293,8 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, __strlen_avx2_rtm) IFUNC_IMPL_ADD (array, i, strlen, (HAS_ARCH_FEATURE (AVX512VL_Usable) - && HAS_ARCH_FEATURE (AVX512BW_Usable)), + && HAS_ARCH_FEATURE (AVX512BW_Usable) + && HAS_CPU_FEATURE (BMI2)), __strlen_evex) IFUNC_IMPL_ADD (array, i, strlen, 1, __strlen_sse2)) @@ -308,7 +309,8 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, __strnlen_avx2_rtm) IFUNC_IMPL_ADD (array, i, strnlen, (HAS_ARCH_FEATURE (AVX512VL_Usable) - && HAS_ARCH_FEATURE (AVX512BW_Usable)), + && HAS_ARCH_FEATURE (AVX512BW_Usable) + && HAS_CPU_FEATURE (BMI2)), __strnlen_evex) IFUNC_IMPL_ADD (array, i, strnlen, 1, __strnlen_sse2))