r243551 - in /trunk/gcc: ChangeLog ira.c testsu...

[bernds@gcc.gnu.org]

Author: bernds
Date: Mon Dec 12 13:29:48 2016
New Revision: 243551

URL: https://gcc.gnu.org/viewcvs?rev=243551&root=gcc&view=rev
Log:

	PR rtl-optimization/78669
	* ira.c (combine_and_move_insns): When deleting an insn, clear the
	replace flag for all used regs in that insn.

	PR rtl-optimization/78669
	* gcc.target/i386/pr78669.c: New test.


Added:
    trunk/gcc/testsuite/gcc.target/i386/pr78669.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ira.c
    trunk/gcc/testsuite/ChangeLog