From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 23513 invoked by alias); 16 May 2012 10:15:30 -0000 Received: (qmail 23495 invoked by uid 22791); 16 May 2012 10:15:27 -0000 X-SWARE-Spam-Status: No, hits=-4.3 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00,KHOP_THREADED,TW_CP X-Spam-Check-By: sourceware.org Received: from localhost (HELO gcc.gnu.org) (127.0.0.1) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Wed, 16 May 2012 10:14:40 +0000 From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/53373] [4.8 regression] ICE on valid code with -march-native Date: Wed, 16 May 2012 10:17:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: rtl-optimization X-Bugzilla-Keywords: ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: rguenth at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.8.0 X-Bugzilla-Changed-Fields: Status Last reconfirmed CC Component Target Milestone Ever Confirmed Message-ID: In-Reply-To: References: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 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 X-SW-Source: 2012-05/txt/msg01617.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53373 Richard Guenther changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2012-05-16 CC| |bernds at gcc dot gnu.org Component|tree-optimization |rtl-optimization Target Milestone|--- |4.8.0 Ever Confirmed|0 |1 --- Comment #1 from Richard Guenther 2012-05-16 10:05:29 UTC --- Confirmed. Caused by Bernds call-return value stuff. Program received signal SIGSEGV, Segmentation fault. 0x000000000064528e in save_call_clobbered_regs () at /space/rguenther/src/svn/trunk/gcc/caller-save.c:876 876 rtx dest = SET_DEST (call_set); (gdb) p call_set $1 = (rtx) 0x0 (gdb) call debug_rtx (insn) (call_insn 1344 1343 1347 114 (parallel [ (set (reg:DI 0 ax) (call (mem:QI (symbol_ref:DI ("memcpy") [flags 0x41] ) [0 memcpy S1 A8]) (const_int 0 [0]))) (unspec [ (const_int 2 [0x2]) ] UNSPEC_CALL_NEEDS_VZEROUPPER) ]) libfftpack/fftpack.c:308 632 {*call_value_vzeroupper} (expr_list:REG_DEAD (reg:DI 5 di) (expr_list:REG_DEAD (reg:DI 4 si) (expr_list:REG_DEAD (reg:DI 1 dx) (expr_list:REG_UNUSED (reg:DI 0 ax) (expr_list:REG_RETURNED (reg:DI 2 cx [orig:769 ivtmp.2819 ] [769]) (expr_list:REG_EH_REGION (const_int 0 [0]) (nil))))))) (expr_list:REG_FRAME_RELATED_EXPR (set (reg:DI 0 ax) (reg:DI 5 di)) (expr_list:REG_FRAME_RELATED_EXPR (use (reg:DI 5 di)) (expr_list:REG_FRAME_RELATED_EXPR (use (reg:DI 4 si)) (expr_list:REG_FRAME_RELATED_EXPR (use (reg:DI 1 dx)) (nil))))))