From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 54D2E3857009; Tue, 7 Jul 2020 07:21:14 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 54D2E3857009 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1594106474; bh=rqgjFaveOBSCdD6eiOH4QJDXo8QH+/G9PU+9AKFrpsw=; h=From:To:Subject:Date:In-Reply-To:References:From; b=hxqB+vRwNG1UTuj560cN8xqsYIFlbN8PvHY8kUQPg1aF+MuJEwg4fCK2CRAv5Ij8S xlvc6iUL/nVlf0rPVjpd4JuKeqiAnnuvBFYWJCjJB55UzIyvwceL4AEHpJzvJmjRF4 b3jsS6jEek/tKiNFgue/oEJR78nw+AK8JdAQTDr4= From: "marxin at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/92860] [8/9/10/11 regression] Global flags affected by -O settings are clobbered by optimize attribute Date: Tue, 07 Jul 2020 07:21:14 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: tree-optimization X-Bugzilla-Version: 10.0 X-Bugzilla-Keywords: deferred X-Bugzilla-Severity: normal X-Bugzilla-Who: marxin at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 10.2 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: gcc-bugs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-bugs mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 07 Jul 2020 07:21:14 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D92860 --- Comment #39 from Martin Li=C5=A1ka --- (In reply to Arseny Solokha from comment #38) > JFTR I can easily reproduce it e.g. in the following setup: >=20 > % powerpc-e300c3-linux-gnu-gcc-11.0.0 -mcpu=3Dpower9 -c > gcc/testsuite/gcc.target/s390/target-attribute/tpragma-struct-vx-1.c > gcc/testsuite/gcc.target/s390/target-attribute/tpragma-struct-vx-1.c:10:9: > error: #pragma GCC target 'arch=3Dz13' is invalid > 10 | #pragma GCC target ("arch=3Dz13,vx") > | ^~~ > gcc/testsuite/gcc.target/s390/target-attribute/tpragma-struct-vx-1.c:10:9: > error: #pragma GCC target 'vx' is invalid > gcc/testsuite/gcc.target/s390/target-attribute/tpragma-struct-vx-1.c:23:9: > internal compiler error: 'global_options' are modified in local context > 23 | #pragma GCC pop_options > | ^~~ > 0xd89fc5 cl_optimization_compare(gcc_options*, gcc_options*) > /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20200705/ > work/build/gcc/options-save.c:10459 > 0x9196b6 handle_pragma_pop_options > /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20200705/ > work/gcc-11-20200705/gcc/c-family/c-pragma.c:1090 > 0x895510 c_parser_pragma > /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20200705/ > work/gcc-11-20200705/gcc/c/c-parser.c:12544 > 0x8b7c75 c_parser_external_declaration > /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20200705/ > work/gcc-11-20200705/gcc/c/c-parser.c:1754 > 0x8b82b1 c_parser_translation_unit > /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20200705/ > work/gcc-11-20200705/gcc/c/c-parser.c:1646 > 0x8b82b1 c_parse_file() > /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20200705/ > work/gcc-11-20200705/gcc/c/c-parser.c:21822 > 0x916cb7 c_common_parse_file() > /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20200705/ > work/gcc-11-20200705/gcc/c-family/c-opts.c:1190 Thank you for the test-case, but it's not much useful, it's an ice-on-inval= id code. Fails due to: (gdb) p ptr1->x_rs6000_cpu_index $1 =3D 51 (gdb) p ptr2->x_rs6000_cpu_index $2 =3D -1=