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(localhost [IPv6:::1]) by gnu-tgl-2.localdomain (Postfix) with ESMTP id 7AFD830031F; Mon, 21 Mar 2022 14:10:45 -0700 (PDT) To: gcc-patches@gcc.gnu.org Subject: [PATCH] x86: Disable SSE and AVX in ISA2 for -mgeneral-regs-only Date: Mon, 21 Mar 2022 14:10:45 -0700 Message-Id: <20220321211045.845762-1-hjl.tools@gmail.com> X-Mailer: git-send-email 2.35.1 MIME-Version: 1.0 X-Spam-Status: No, score=-3028.9 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, GIT_PATCH_0, KAM_SHORT, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: "H.J. Lu via Gcc-patches" From: "H.J. Lu" Reply-To: "H.J. Lu" Cc: liuhongt Errors-To: gcc-patches-bounces+patchwork=sourceware.org@gcc.gnu.org Sender: "Gcc-patches" SSE and AVX ISAs in ISA2 should be disabled for -mgeneral-regs-only. gcc/ PR target/105000 * common/config/i386/i386-common.cc (OPTION_MASK_ISA2_GENERAL_REGS_ONLY_UNSET): Also disable SSE and AVX. gcc/testsuite/ PR target/105000 * gcc.target/i386/pr105000-1.c: New test. * gcc.target/i386/pr105000-2.c: Likewise. * gcc.target/i386/pr105000-3.c: Likewise. --- gcc/common/config/i386/i386-common.cc | 4 +++- gcc/testsuite/gcc.target/i386/pr105000-1.c | 11 +++++++++++ gcc/testsuite/gcc.target/i386/pr105000-2.c | 11 +++++++++++ gcc/testsuite/gcc.target/i386/pr105000-3.c | 11 +++++++++++ 4 files changed, 36 insertions(+), 1 deletion(-) create mode 100644 gcc/testsuite/gcc.target/i386/pr105000-1.c create mode 100644 gcc/testsuite/gcc.target/i386/pr105000-2.c create mode 100644 gcc/testsuite/gcc.target/i386/pr105000-3.c diff --git a/gcc/common/config/i386/i386-common.cc b/gcc/common/config/i386/i386-common.cc index 449df6351c9..b77d495e9a4 100644 --- a/gcc/common/config/i386/i386-common.cc +++ b/gcc/common/config/i386/i386-common.cc @@ -321,7 +321,9 @@ along with GCC; see the file COPYING3. If not see | OPTION_MASK_ISA2_AVX512VP2INTERSECT_UNSET \ | OPTION_MASK_ISA2_AVX512FP16_UNSET) #define OPTION_MASK_ISA2_GENERAL_REGS_ONLY_UNSET \ - (OPTION_MASK_ISA2_AVX512F_UNSET) + (OPTION_MASK_ISA2_SSE_UNSET \ + | OPTION_MASK_ISA2_AVX_UNSET \ + | OPTION_MASK_ISA2_AVX512F_UNSET) #define OPTION_MASK_ISA2_AVX_UNSET OPTION_MASK_ISA2_AVX2_UNSET #define OPTION_MASK_ISA2_SSE4_2_UNSET OPTION_MASK_ISA2_AVX_UNSET #define OPTION_MASK_ISA2_SSE4_1_UNSET OPTION_MASK_ISA2_SSE4_2_UNSET diff --git a/gcc/testsuite/gcc.target/i386/pr105000-1.c b/gcc/testsuite/gcc.target/i386/pr105000-1.c new file mode 100644 index 00000000000..020e2adca83 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr105000-1.c @@ -0,0 +1,11 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -mshstk -mavxvnni" } */ + +#include + +__attribute__((target("no-mmx,no-sse"))) +int +foo () +{ + return _get_ssp (); +} diff --git a/gcc/testsuite/gcc.target/i386/pr105000-2.c b/gcc/testsuite/gcc.target/i386/pr105000-2.c new file mode 100644 index 00000000000..a113fd1dfa2 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr105000-2.c @@ -0,0 +1,11 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -mshstk -mkl" } */ + +#include + +__attribute__((target("no-mmx,no-sse"))) +int +foo () +{ + return _get_ssp (); +} diff --git a/gcc/testsuite/gcc.target/i386/pr105000-3.c b/gcc/testsuite/gcc.target/i386/pr105000-3.c new file mode 100644 index 00000000000..7e82925270c --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr105000-3.c @@ -0,0 +1,11 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -mshstk -mwidekl" } */ + +#include + +__attribute__((target("no-mmx,no-sse"))) +int +foo () +{ + return _get_ssp (); +}