r253050 - in /trunk/gcc: ChangeLog config/i386/...

[jakub@gcc.gnu.org]

Author: jakub
Date: Thu Sep 21 07:27:54 2017
New Revision: 253050

URL: https://gcc.gnu.org/viewcvs?rev=253050&root=gcc&view=rev
Log:
	PR target/82260
	* config/i386/i386.md (*movqi_internal): Replace (=q,q) alternative
	with (=Q,Q), (=R,R) and (=r,r) alternatives, only enable the
	latter two for 64-bit, renumber alternatives, for -Os imov (=q,n)
	alternative always use QI mode, for -Os imov (=R,R) alternative
	always use SI mode, for imov (=Q,Q) or (=r,r) alternatives
	ignore -Os.

	* gcc.target/i386/pr82260-1.c: New test.
	* gcc.target/i386/pr82260-2.c: New test.

Added:
    trunk/gcc/testsuite/gcc.target/i386/pr82260-1.c
    trunk/gcc/testsuite/gcc.target/i386/pr82260-2.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.md
    trunk/gcc/testsuite/ChangeLog