r257734 - in /trunk/gcc: ChangeLog config/i386/...

Fri Feb 16 13:47:00 GMT 2018

Author: rguenth
Date: Fri Feb 16 13:47:25 2018
New Revision: 257734

URL: https://gcc.gnu.org/viewcvs?rev=257734&root=gcc&view=rev
Log:
2018-02-16  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/84037
	PR tree-optimization/84016
	PR target/82862
	* config/i386/i386.c (ix86_builtin_vectorization_cost):
	Adjust vec_construct for the fact we need additional higher latency
	128bit inserts for AVX256 and AVX512 vector builds.
	(ix86_add_stmt_cost): Scale vector construction cost for
	elementwise loads.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.c