r255906 - in /trunk/gcc: ChangeLog testsuite/Ch...

[law@gcc.gnu.org]

Author: law
Date: Wed Dec 20 23:55:42 2017
New Revision: 255906

URL: https://gcc.gnu.org/viewcvs?rev=255906&root=gcc&view=rev
Log:
	PR tree-optimization/83491
	* tree-ssa-math-opts.c (execute_cse_reciprocals_1): Check for SSA_NAME
	before walking uses.  Improve coding style and comments.

	PR tree-optimization/83491
	* gcc.dg/pr83491.c: Add new test.

Added:
    trunk/gcc/testsuite/gcc.dg/pr83491.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-math-opts.c