From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 21193 invoked by alias); 5 Dec 2014 18:48:48 -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 21160 invoked by uid 48); 5 Dec 2014 18:48:43 -0000 From: "zsojka at seznam dot cz" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/64200] New: ICE: in decide_alg, at config/i386/i386.c:24510 with -mmemcpy-strategy=libcall:-1:align -minline-stringops-dynamically Date: Fri, 05 Dec 2014 18:48:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Version: 5.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: zsojka at seznam dot cz X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version bug_status bug_severity priority component assigned_to reporter attachments.created Message-ID: 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: 2014-12/txt/msg00580.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64200 Bug ID: 64200 Summary: ICE: in decide_alg, at config/i386/i386.c:24510 with -mmemcpy-strategy=libcall:-1:align -minline-stringops-dynamically Product: gcc Version: 5.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Created attachment 34202 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34202&action=edit reduced testcase Compiler output: $ gcc -mmemcpy-strategy=libcall:-1:align -minline-stringops-dynamically testcase.c testcase.c: In function 'foo': testcase.c:14:5: internal compiler error: in decide_alg, at config/i386/i386.c:24510 d = __builtin_va_arg(ap, typeof (d)); ^ 0xf110d2 decide_alg /mnt/svn/gcc-trunk/gcc/config/i386/i386.c:24510 0xf59cff ix86_expand_set_or_movmem(rtx_def*, rtx_def*, rtx_def*, rtx_def*, rtx_def*, rtx_def*, rtx_def*, rtx_def*, rtx_def*, rtx_def*, bool) /mnt/svn/gcc-trunk/gcc/config/i386/i386.c:24763 0x106cefe gen_movmemdi(rtx_def*, rtx_def*, rtx_def*, rtx_def*, rtx_def*, rtx_def*, rtx_def*, rtx_def*, rtx_def*) /mnt/svn/gcc-trunk/gcc/config/i386/i386.md:15893 0xb19eb2 insn_gen_fn::operator()(rtx_def*, rtx_def*, rtx_def*, rtx_def*, rtx_def*, rtx_def*, rtx_def*, rtx_def*, rtx_def*) const /mnt/svn/gcc-trunk/gcc/recog.h:310 0xb19eb2 maybe_gen_insn(insn_code, unsigned int, expand_operand*) /mnt/svn/gcc-trunk/gcc/optabs.c:8395 0xb1a4c8 maybe_expand_insn(insn_code, unsigned int, expand_operand*) /mnt/svn/gcc-trunk/gcc/optabs.c:8407 0x8d8b9e emit_block_move_via_movmem /mnt/svn/gcc-trunk/gcc/expr.c:1330 0x8d8b9e emit_block_move_hints(rtx_def*, rtx_def*, rtx_def*, block_op_methods, unsigned int, long, unsigned long, unsigned long, unsigned long) /mnt/svn/gcc-trunk/gcc/expr.c:1148 0x7974d1 expand_builtin_memcpy_args /mnt/svn/gcc-trunk/gcc/builtins.c:3241 0x7a6f1c expand_builtin(tree_node*, rtx_def*, rtx_def*, machine_mode, int) /mnt/svn/gcc-trunk/gcc/builtins.c:6286 0x8d4716 expand_expr_real_1(tree_node*, rtx_def*, machine_mode, expand_modifier, rtx_def**, bool) /mnt/svn/gcc-trunk/gcc/expr.c:10471 0x7caf89 expand_expr /mnt/svn/gcc-trunk/gcc/expr.h:299 0x7caf89 expand_call_stmt /mnt/svn/gcc-trunk/gcc/cfgexpand.c:2347 0x7cb6bf expand_gimple_stmt_1 /mnt/svn/gcc-trunk/gcc/cfgexpand.c:3293 0x7cb6bf expand_gimple_stmt /mnt/svn/gcc-trunk/gcc/cfgexpand.c:3447 0x7d0c53 expand_gimple_basic_block /mnt/svn/gcc-trunk/gcc/cfgexpand.c:5280 0x7d3146 execute /mnt/svn/gcc-trunk/gcc/cfgexpand.c:5889 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See for instructions. Tested revisions: r218413 - ICE (after PR64108 fix) 4_9 r218177 - ICE