From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 19827 invoked by alias); 27 Aug 2005 12:25:53 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 19779 invoked by uid 48); 27 Aug 2005 12:25:49 -0000 Date: Sat, 27 Aug 2005 12:35:00 -0000 Message-ID: <20050827122549.19778.qmail@sourceware.org> From: "pinskia at gcc dot gnu dot org" To: gcc-bugs@gcc.gnu.org In-Reply-To: <20050827121256.23593.laurent@guerby.net> References: <20050827121256.23593.laurent@guerby.net> Reply-To: gcc-bugzilla@gcc.gnu.org Subject: [Bug ada/23593] [4.0/4.1 Regression] 5 ACATS compiler SEGV c371002 c371003 c52008b cc51004 cc51b03 X-Bugzilla-Reason: CC X-SW-Source: 2005-08/txt/msg03129.txt.bz2 List-Id: ------- Additional Comments From pinskia at gcc dot gnu dot org 2005-08-27 12:25 ------- [08:19] < guerby> 0x0834ec8b in get_memory_rtx (exp=, len=) at /home/guerby/work/gcc/version-head/gcc/builtins.c:1080 [08:19] < guerby> 1080 gcc_assert (TREE_CODE (mem_expr) == COMPONENT_REF); [08:19] < guerby> (gdb) bt [08:19] < guerby> #0 0x0834ec8b in get_memory_rtx (exp=, len=) at /home/guerby/work/gcc/version-head/gcc/builtins.c:1080 [08:19] < guerby> #1 0x08354572 in expand_builtin_memcmp (exp=0x40554f78, arglist=, target=0x0, mode=) [08:19] < guerby> at /home/guerby/work/gcc/version-head/gcc/builtins.c:3588 [08:19] < guerby> #2 0x0835593f in expand_builtin (exp=0x40554f78, target=0x4015e210, subtarget=0x0, mode=VOIDmode, ignore=0) [08:19] < guerby> at /home/guerby/work/gcc/version-head/gcc/builtins.c:6047 [08:19] < guerby> #3 0x083df5d6 in expand_expr_real_1 (exp=, target=0x0, tmode=, modifier=, alt_rtl=0x0) [08:19] < guerby> at /home/guerby/work/gcc/version-head/gcc/expr.c:7396 [08:19] < guerby> #4 0x083e535a in expand_expr_real (exp=0x40554f78, target=0x0, tmode=VOIDmode, modifier=EXPAND_NORMAL, alt_rtl=0x0) [08:19] < guerby> at /home/guerby/work/gcc/version-head/gcc/expr.c:6474 [08:19] < guerby> #5 0x083971b0 in do_jump (exp=0x40554f78, if_false_label=0x4022160c, if_true_label=0x0) at expr.h:492 [08:19] < guerby> #6 0x083974d7 in do_jump (exp=0x4056efc0, if_false_label=0x0, if_true_label=0x4022160c) at /home/guerby/work/gcc/version-head/gcc/dojump.c:355 It looks like it was caused by: -2005-08-26 Jakub Jelinek - - PR rtl-optimization/23561 - * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is - a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless - at most LEN bytes long memory fits into the field. - (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr, - expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp, - expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers. Which means this is 4.0 regression too now. -- What |Removed |Added ---------------------------------------------------------------------------- CC| |jakub at gcc dot gnu dot | |org, pinskia at gcc dot gnu | |dot org Summary|[4.1 Regression] 5 ACATS |[4.0/4.1 Regression] 5 ACATS |compiler SEGV c371002 |compiler SEGV c371002 |c371003 c52008b cc51004 |c371003 c52008b cc51004 |cc51b03 |cc51b03 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23593