r215024 - in /branches/gcc-4_8-branch/gcc: Chan...

[jakub at gcc dot gnu dot org]

Author: jakub
Date: Mon Sep  8 20:07:29 2014
New Revision: 215024

URL: https://gcc.gnu.org/viewcvs?rev=215024&root=gcc&view=rev
Log:
	PR tree-optimization/60196
	PR tree-optimization/63189
	Backported from mainline
	2013-09-17  Cong Hou  <congh@google.com>

	* tree-vect-patterns.c (vect_recog_dot_prod_pattern): Fix a bug
	when checking the dot production pattern. The type of rhs operand
	of multiply is now checked correctly.

	* gcc.dg/vect/pr63189.c: New test.
	* gcc.dg/vect/pr60196-1.c: New test.
	* gcc.dg/vect/pr60196-2.c: New test.

	Backported from mainline
	2013-09-17  Cong Hou  <congh@google.com>

	* gcc.dg/vect/vect-reduc-dot-s16c.c: Add a test case with dot product 
	on two arrays with short and int types. This should not be recognized
	as a dot product pattern.

Added:
    branches/gcc-4_8-branch/gcc/testsuite/gcc.dg/vect/pr60196-1.c
    branches/gcc-4_8-branch/gcc/testsuite/gcc.dg/vect/pr60196-2.c
    branches/gcc-4_8-branch/gcc/testsuite/gcc.dg/vect/pr63189.c
    branches/gcc-4_8-branch/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-s16c.c
Modified:
    branches/gcc-4_8-branch/gcc/ChangeLog
    branches/gcc-4_8-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_8-branch/gcc/tree-vect-patterns.c