From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 23780 invoked by alias); 21 May 2013 15:25:18 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 23751 invoked by uid 48); 21 May 2013 15:25:14 -0000 From: "ubizjak at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/57356] gcc-4.8: SSE2 instructions generated with '-mno-sse2' Date: Tue, 21 May 2013 15:25:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Version: unknown X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: ubizjak at gmail dot com X-Bugzilla-Status: ASSIGNED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: ubizjak at gmail dot com X-Bugzilla-Target-Milestone: 4.7.4 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_status cf_reconfirmed_on component assigned_to target_milestone everconfirmed 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-SW-Source: 2013-05/txt/msg01476.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D57356 Uro=C5=A1 Bizjak changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |ASSIGNED Last reconfirmed| |2013-05-21 Component|c |target Assignee|unassigned at gcc dot gnu.org |ubizjak at gmail do= t com Target Milestone|--- |4.7.4 Ever confirmed|0 |1 --- Comment #1 from Uro=C5=A1 Bizjak --- There are many assumptions that x86 implies SSE2 throughout the target-dependant part of gcc. This one is simple to fix with following fix = to movti insn pattern. --cut here-- Index: config/i386/i386.md =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D --- config/i386/i386.md (revision 199017) +++ config/i386/i386.md (working copy) @@ -1805,7 +1805,8 @@ (const_string "V4SF") (match_test "TARGET_AVX") (const_string "TI") - (match_test "optimize_function_for_size_p (cfun)") + (ior (not (match_test "TARGET_SSE2")) + (match_test "optimize_function_for_size_p (cfun)")) (const_string "V4SF") ] (const_string "TI")))]) --cut here-- The 4.7 branch is also affected, 4.9 is not. >>From gcc-bugs-return-422804-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue May 21 15:48:42 2013 Return-Path: Delivered-To: listarch-gcc-bugs@gcc.gnu.org Received: (qmail 17635 invoked by alias); 21 May 2013 15:48:42 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Delivered-To: mailing list gcc-bugs@gcc.gnu.org Received: (qmail 17575 invoked by uid 48); 21 May 2013 15:48:32 -0000 From: "ramana at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug bootstrap/57340] [4.9 regression] stage2 miscompiles build/genconditions on armv5tel-linux-gnueabi breaking bootstrap Date: Tue, 21 May 2013 15:48:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: bootstrap X-Bugzilla-Version: 4.9.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: ramana at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.9.0 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2013-05/txt/msg01477.txt.bz2 Content-length: 152 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57340 --- Comment #1 from Ramana Radhakrishnan --- I'll take a look. Ramana