r240277 - in /trunk/gcc: ChangeLog config/i386/...

[uros@gcc.gnu.org]

Author: uros
Date: Tue Sep 20 17:36:03 2016
New Revision: 240277

URL: https://gcc.gnu.org/viewcvs?rev=240277&root=gcc&view=rev
Log:
	PR target/77621
	* config/i386/i386.c (ix86_preferred_simd_mode) <case DFmode>:
	Don't return word_mode for !TARGET_VECTORIZE_DOUBLE.
	(ix86_add_stmt_cost): Penalize DFmode vector operations
	for !TARGET_VECTORIZE_DOUBLE.

testsuite/ChangeLog:

	PR target/77621
	* gcc.target/i386/pr77621.c: New test.
	* gcc.target/i386/vect-double-2.c: Update scan-tree-dump-times
	pattern, loop should vectorize with -mtune=atom.


Added:
    trunk/gcc/testsuite/gcc.target/i386/pr77621.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.target/i386/vect-double-2.c