r266237 - in /trunk/gcc: ChangeLog testsuite/Ch...

[jakub@gcc.gnu.org]

Author: jakub
Date: Sat Nov 17 15:10:48 2018
New Revision: 266237

URL: https://gcc.gnu.org/viewcvs?rev=266237&root=gcc&view=rev
Log:
	PR tree-optimization/87546
	* tree-vect-patterns.c (vect_look_through_possible_promotion): Add
	min_precision variable, initially set it to orig_precision, only does
	something if op_type's precision is <= min_precision and update
	min_precision whenever calling set_op.

	* gcc.dg/vect/O3-pr87546.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/vect/O3-pr87546.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-patterns.c