r242874 - in /trunk/gcc: ChangeLog match.pd tes...

[amker@gcc.gnu.org]

Author: amker
Date: Fri Nov 25 11:45:43 2016
New Revision: 242874

URL: https://gcc.gnu.org/viewcvs?rev=242874&root=gcc&view=rev
Log:
	PR middle-end/78507
	PR middle-end/78510
	PR middle-end/78517
	* match.pd ((cond (cmp (convert1? @1) @3) (convert2? @1) @2)): Use
	cmp directly, rather than cmp_code.  Initialize code to ERROR_MARK
	and set it to result code if transformation is valid.  Use code EQ
	directly in last simplification case.

	gcc/testsuite
	PR middle-end/78507
	PR middle-end/78510
	PR middle-end/78517
	* g++.dg/torture/pr78507.C: New test.
	* gcc.dg/torture/pr78510.c: New test.
	* gcc.dg/torture/pr78517.c: New test.

Added:
    trunk/gcc/testsuite/g++.dg/torture/pr78507.C
    trunk/gcc/testsuite/gcc.dg/torture/pr78510.c
    trunk/gcc/testsuite/gcc.dg/torture/pr78517.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/match.pd
    trunk/gcc/testsuite/ChangeLog