r278719 - in /trunk/gcc: ChangeLog testsuite/Ch...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Tue Nov 26 08:32:38 2019
New Revision: 278719

URL: https://gcc.gnu.org/viewcvs?rev=278719&root=gcc&view=rev
Log:
2019-11-26  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/92645
	* tree-vect-slp.c (vect_build_slp_tree_2): For unary ops
	do not build the operation from scalars if the operand is.

	* gcc.target/i386/pr92645.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.target/i386/pr92645.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-slp.c