r242470 - in /trunk/gcc: ChangeLog testsuite/Ch...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Wed Nov 16 08:42:20 2016
New Revision: 242470

URL: https://gcc.gnu.org/viewcvs?rev=242470&root=gcc&view=rev
Log:
2016-11-16  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/78348
	* tree-loop-distribution.c (enum partition_kind): Add PKIND_MEMMOVE.
	(generate_memcpy_builtin): Honor PKIND_MEMCPY on the partition.
	(classify_partition): Set PKIND_MEMCPY if dependence analysis
	revealed no dependency, PKIND_MEMMOVE otherwise.

	* gcc.dg/tree-ssa/ldist-24.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/ldist-24.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-loop-distribution.c