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Thu, 23 Nov 2023 19:10:03 +0100 (CET) Message-ID: Date: Thu, 23 Nov 2023 19:09:51 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Content-Language: en-US To: gcc-patches@gcc.gnu.org, Denis Chertykov From: Georg-Johann Lay Subject: [avr,committed] Fix PR86776 X-Spam-Status: No, score=-10.4 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, KAM_NUMSUBJECT, RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL, SPF_HELO_PASS, SPF_NONE, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1783379295900492633 X-GMAIL-MSGID: 1783379295900492633 AVR was/is not affected by CVE-2017-5753, thus applies as obvious. Johann --- gcc/ PR target/86776 * config/avr/avr.cc (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define to speculation_safe_value_not_needed. ^L diff --git a/gcc/config/avr/avr.cc b/gcc/config/avr/avr.cc index c3e0995dfc3..a297f4e092a 100644 --- a/gcc/config/avr/avr.cc +++ b/gcc/config/avr/avr.cc @@ -15309,6 +15309,12 @@ avr_float_lib_compare_returns_bool (machine_mode mode, enum rtx_code) #undef TARGET_CANONICALIZE_COMPARISON #define TARGET_CANONICALIZE_COMPARISON avr_canonicalize_comparison +/* According to the opening comment in PR86772, the following applies: + "If the port does not (and never will in the future) need to mitigate + against unsafe speculation." */ +#undef TARGET_HAVE_SPECULATION_SAFE_VALUE +#define TARGET_HAVE_SPECULATION_SAFE_VALUE speculation_safe_value_not_needed + struct gcc_target targetm = TARGET_INITIALIZER;