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[Bug c/78408] C loop initial declarations generate wrong code
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 16 Dec 2016 15:58:15 +0000
- Subject: [Bug c/78408] C loop initial declarations generate wrong code
- Auto-submitted: auto-generated
- References: <bug-78408-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78408
--- Comment #12 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Fri Dec 16 15:57:43 2016
New Revision: 243753
URL: https://gcc.gnu.org/viewcvs?rev=243753&root=gcc&view=rev
Log:
PR c/78408
* tree-ssa-ccp.c: Include tree-dfa.h.
(optimize_memcpy): New function.
(pass_fold_builtins::execute): Use it. Remove useless conditional
break after BUILT_IN_VA_*.
* gcc.dg/pr78408-1.c: New test.
* gcc.dg/pr78408-2.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/pr78408-1.c
trunk/gcc/testsuite/gcc.dg/pr78408-2.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/sanopt.c
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-ccp.c