From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 7804) id DD3DF3947C34; Thu, 17 Nov 2022 08:27:56 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org DD3DF3947C34 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1668673676; bh=qep4VbkBE0/lbaA1ZLo3sI0Byc8hmgtRtO9J5LaMxyI=; h=From:To:Subject:Date:From; b=u/adOE/7oIR/bTMW6DfStRybZF6J1G2tEr5wQrucBAQ6tWBpJEeUvwMkDdLcetUPT QD2fhSRz/KagnJymlhkBUFq/Jrfp/0JsaMB7/PIXkNhqrOihkaZ0cxUNnAoL8moF4u qEP7CqRCF5UzJt4XbPKw/vBxKly6LS0fG25HAm1g= MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="utf-8" From: Lili Cui To: gcc-cvs@gcc.gnu.org Subject: [gcc r13-4124] x86: Enable 256 move by pieces for ALDERLAKE machine. X-Act-Checkin: gcc X-Git-Author: Lili Cui X-Git-Refname: refs/heads/master X-Git-Oldrev: cbe313060cdcf1d857d42a9e16a1a03e5ff89fff X-Git-Newrev: 156f523f9582f1e6bcce27ece03f2776960408c8 Message-Id: <20221117082756.DD3DF3947C34@sourceware.org> Date: Thu, 17 Nov 2022 08:27:56 +0000 (GMT) List-Id: https://gcc.gnu.org/g:156f523f9582f1e6bcce27ece03f2776960408c8 commit r13-4124-g156f523f9582f1e6bcce27ece03f2776960408c8 Author: Lili Cui Date: Thu Nov 17 15:50:46 2022 +0800 x86: Enable 256 move by pieces for ALDERLAKE machine. gcc/ChangeLog: * config/i386/x86-tune.def (X86_TUNE_AVX256_MOVE_BY_PIECES): Add alderlake. (X86_TUNE_AVX256_STORE_BY_PIECES): Ditto. gcc/testsuite/ChangeLog: * gcc.target/i386/pieces-memset-50.c: New test. Diff: --- gcc/config/i386/x86-tune.def | 4 ++-- gcc/testsuite/gcc.target/i386/pieces-memset-50.c | 12 ++++++++++++ 2 files changed, 14 insertions(+), 2 deletions(-) diff --git a/gcc/config/i386/x86-tune.def b/gcc/config/i386/x86-tune.def index 58e29e7806a..cd66f335113 100644 --- a/gcc/config/i386/x86-tune.def +++ b/gcc/config/i386/x86-tune.def @@ -536,12 +536,12 @@ DEF_TUNE (X86_TUNE_AVX256_OPTIMAL, "avx256_optimal", m_CORE_AVX512) /* X86_TUNE_AVX256_MOVE_BY_PIECES: Optimize move_by_pieces with 256-bit AVX instructions. */ DEF_TUNE (X86_TUNE_AVX256_MOVE_BY_PIECES, "avx256_move_by_pieces", - m_CORE_AVX512) + m_ALDERLAKE | m_CORE_AVX2) /* X86_TUNE_AVX256_STORE_BY_PIECES: Optimize store_by_pieces with 256-bit AVX instructions. */ DEF_TUNE (X86_TUNE_AVX256_STORE_BY_PIECES, "avx256_store_by_pieces", - m_CORE_AVX512) + m_ALDERLAKE | m_CORE_AVX2) /* X86_TUNE_AVX512_MOVE_BY_PIECES: Optimize move_by_pieces with 512-bit AVX instructions. */ diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-50.c b/gcc/testsuite/gcc.target/i386/pieces-memset-50.c new file mode 100644 index 00000000000..c09e7c3649c --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-50.c @@ -0,0 +1,12 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -march=alderlake" } */ + +extern char *dst; + +void +foo (int x) +{ + __builtin_memset (dst, x, 64); +} + +/* { dg-final { scan-assembler-times "vmovdqu\[ \\t\]+\[^\n\]*%ymm" 2 } } */