r216281 - in /trunk/gcc: ChangeLog config/i386/...

[uros@gcc.gnu.org]

Author: uros
Date: Wed Oct 15 17:57:17 2014
New Revision: 216281

URL: https://gcc.gnu.org/viewcvs?rev=216281&root=gcc&view=rev
Log:
	PR go/59432
	* config/i386/sync.md (atomic_compare_and_swap<dwi>_doubleword):
	Remove the second alternative.
	(regprefix): Remove mode attribute.
	(atomic_compare_and_swap<mode>): Do not fixup operand 2.
	* config/i386/predicates.md (cmpxchg8b_pic_memory_operand): Remove.

	Revert:
	2013-11-05  Ian Lance Taylor  <iant@google.com>

	* config/i386/sync.md (atomic_compare_and_swap<dwi>_doubleword):
	If possible, add .cfi directives to record change to bx.
	* config/i386/i386.c (ix86_emit_cfi): New function.
	* config/i386/i386-protos.h (ix86_emit_cfi): Declare.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386-protos.h
    trunk/gcc/config/i386/i386.c
    trunk/gcc/config/i386/predicates.md
    trunk/gcc/config/i386/sync.md