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From: "jakub at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/65409] [4.8/4.9/5 Regression] ICE in store_field Date: Fri, 13 Mar 2015 10:53:00 -0000 [thread overview] Message-ID: <bug-65409-4-9sFwuLnIEx@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-65409-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65409 --- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Ok, the pessimization (your patch vs. my patch) is only at -O0: + movl %edx, %ecx + movl %ecx, %esi + movq %rdx, %rdi + movabsq $-4294967296, %rcx + andq %rdi, %rcx + orq %rsi, %rcx + movq %rcx, %rdx is added, for -O1+ the optimizers manage to fix it up.
next prev parent reply other threads:[~2015-03-13 10:53 UTC|newest] Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-03-12 18:17 [Bug c++/65409] New: " bugs at qult dot net 2015-03-12 18:44 ` [Bug c++/65409] " mpolacek at gcc dot gnu.org 2015-03-12 19:33 ` [Bug c++/65409] [4.8/4.9/5 Regression] " jakub at gcc dot gnu.org 2015-03-13 9:24 ` [Bug middle-end/65409] " rguenth at gcc dot gnu.org 2015-03-13 10:31 ` ebotcazou at gcc dot gnu.org 2015-03-13 10:37 ` jakub at gcc dot gnu.org 2015-03-13 10:43 ` ebotcazou at gcc dot gnu.org 2015-03-13 10:46 ` jakub at gcc dot gnu.org 2015-03-13 10:53 ` jakub at gcc dot gnu.org [this message] 2015-03-13 10:57 ` ebotcazou at gcc dot gnu.org 2015-03-13 10:59 ` jakub at gcc dot gnu.org 2015-03-13 17:46 ` ebotcazou at gcc dot gnu.org 2015-03-16 10:27 ` ebotcazou at gcc dot gnu.org 2015-03-16 10:29 ` ebotcazou at gcc dot gnu.org 2015-03-16 10:31 ` ebotcazou at gcc dot gnu.org 2015-03-16 10:32 ` ebotcazou at gcc dot gnu.org
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