r266097 - in /trunk/gcc: ChangeLog lower-subreg...

[bergner@gcc.gnu.org]

Author: bergner
Date: Wed Nov 14 02:17:35 2018
New Revision: 266097

URL: https://gcc.gnu.org/viewcvs?rev=266097&root=gcc&view=rev
Log:
gcc/
	PR rtl-optimization/87507
	* lower-subreg.c (operand_for_swap_move_operator): New function.
	(simple_move): Strip simple operators.
	(find_pseudo_copy): Likewise.
	(resolve_operand_for_swap_move_operator): New function.
	(resolve_simple_move): Strip simple operators and swap operands.

gcc/testsuite/
	PR rtl-optimization/87507
	* gcc.target/powerpc/pr87507.c: New test.
	* gcc.target/powerpc/pr68805.c: Update expected results.

Added:
    trunk/gcc/testsuite/gcc.target/powerpc/pr87507.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/lower-subreg.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.target/powerpc/pr68805.c