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[Bug tree-optimization/64746] Loop with nested load/stores is not vectorized using aggressive if-conversion.
- From: "ienkovich at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 29 Jan 2015 13:53:01 +0000
- Subject: [Bug tree-optimization/64746] Loop with nested load/stores is not vectorized using aggressive if-conversion.
- Auto-submitted: auto-generated
- References: <bug-64746-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64746
--- Comment #3 from ienkovich at gcc dot gnu.org ---
Author: ienkovich
Date: Thu Jan 29 13:52:28 2015
New Revision: 220248
URL: https://gcc.gnu.org/viewcvs?rev=220248&root=gcc&view=rev
Log:
gcc/
PR tree-optimization/64746
* tree-if-conv.c (mask_exists): New function.
(predicate_mem_writes): Save created mask with given size for further
use.
(stmt_is_root_of_bool_pattern): Remove argument VAR and store to it.
(ifcvt_repair_bool_pattern): Collect all statements that are root
of bool pattern and use iterative algorithm to remove multiple uses
of predicates, display number of required iterations.
gcc/testsuite/
PR tree-optimization/64746
* gcc.target/i386/avx2-vect-aggressive-1.c: New test.
Added:
trunk/gcc/testsuite/gcc.target/i386/avx2-vect-aggressive-1.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-if-conv.c