From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pj1-x102b.google.com (mail-pj1-x102b.google.com [IPv6:2607:f8b0:4864:20::102b]) by sourceware.org (Postfix) with ESMTPS id 9A1563861021 for ; Tue, 23 Mar 2021 22:39:10 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 9A1563861021 Received: by mail-pj1-x102b.google.com with SMTP id a22-20020a17090aa516b02900c1215e9b33so127448pjq.5 for ; Tue, 23 Mar 2021 15:39:10 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=hUmZNU9N+N2txp6ZBUqF01fFuszU0MK7NxjBlXTE4rc=; b=WmKT5PsCX/Pe1O48knE7yWHcFXFKe50ofcfYmaKe3UEC1sWKduzqyGlrzV3702P6L0 U5S87fYwvs4RJRzJB9lwQ2CGTIg7+FqivsW8rN7fNcGog44qUK0TKCXhNWwixOs3HCDk H8Vw9R4pAGpGFa02Avwh0FP8DNGppiuv54Pp2dLOmipWPwp0FdYgQ82NP3K56awoOyFh p5+lsa2L0EqZn9BYxowyam3hnCfMMDQwILdjMKEteQZiuOHkJwo5pdBQMNOTLtt3uuVF zVXWKvVOLDUdCXlUIlK4ONm3LrD1EkIs6DO/hD8rDRe1skoZlt12WJbmKYjb+jtXTqF5 7uiQ== X-Gm-Message-State: AOAM532xrgfyCNfQO5uoHb1A6ecGqpTd6czhpOorZonkB889mzAx/ztv 1obrsrgvMJyzTYRuFHo0Ym9GUZteU1o= X-Google-Smtp-Source: ABdhPJyTTO+kdqlQMGqijHJO3heMTkJTshcxc9VoS/v7CV13xKFscoauukRxuLAYZWG/tts8kGQ7jw== X-Received: by 2002:a17:90a:be09:: with SMTP id a9mr279251pjs.219.1616539149285; Tue, 23 Mar 2021 15:39:09 -0700 (PDT) Received: from gnu-cfl-2.localdomain ([172.56.38.37]) by smtp.gmail.com with ESMTPSA id fr23sm201229pjb.22.2021.03.23.15.39.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 23 Mar 2021 15:39:08 -0700 (PDT) Received: from gnu-cfl-2.?040none?041 (localhost [IPv6:::1]) by gnu-cfl-2.localdomain (Postfix) with ESMTP id 536501A017F; Tue, 23 Mar 2021 15:39:07 -0700 (PDT) From: "H.J. Lu" To: gcc-patches@gcc.gnu.org Cc: Jakub Jelinek Subject: [PATCH 0/2] GCC_CET_HOST_FLAGS: Check if host supports multi-byte NOPs Date: Tue, 23 Mar 2021 15:39:04 -0700 Message-Id: <20210323223906.7985-1-hjl.tools@gmail.com> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-3029.9 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, KAM_SHORT, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) 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-List-Received-Date: Tue, 23 Mar 2021 22:39:11 -0000 Check if host supports multi-byte NOPs before enabling CET on host. This fixes: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99703 H.J. Lu (2): GCC_CET_HOST_FLAGS: Check if host supports multi-byte NOPs GCC_CET_HOST_FLAGS: Check if host supports multi-byte NOPs config/cet.m4 | 19 +++++++++++-- gcc/configure | 45 +++++++++++++++++++++--------- libbacktrace/configure | 29 +++++++++++++++++++ libcc1/configure | 45 +++++++++++++++++++++--------- libcpp/configure | 29 +++++++++++++++++++ libdecnumber/configure | 29 +++++++++++++++++++ libiberty/configure | 29 +++++++++++++++++++ lto-plugin/configure | 63 +++++++++++++++++++++++++++++++----------- 8 files changed, 243 insertions(+), 45 deletions(-) -- 2.30.2