r218547 - in /branches/gcc-4_9-branch/libgcc: C...

[danglin@gcc.gnu.org]

Author: danglin
Date: Tue Dec  9 23:48:26 2014
New Revision: 218547

URL: https://gcc.gnu.org/viewcvs?rev=218547&root=gcc&view=rev
Log:
	Backport from mainline
	2014-11-24  John David Anglin  <danglin@gcc.gnu.org>

	* config/pa/linux-atomic.c (ABORT_INSTRUCTION): Use __builtin_trap()
	instead.

	2014-11-21  Guy Martin  <gmsoft@tuxicoman.be>
	            John David Anglin  <danglin@gcc.gnu.org>

	* config/pa/linux-atomic.c (__kernel_cmpxchg2): New.
	(FETCH_AND_OP_2): New.  Use for subword and double word operations.
	(OP_AND_FETCH_2): Likewise.
	(COMPARE_AND_SWAP_2): Likewise.
	(SYNC_LOCK_TEST_AND_SET_2): Likewise.
	(SYNC_LOCK_RELEASE_2): Likewise.
	(SUBWORD_SYNC_OP): Remove.
	(SUBWORD_VAL_CAS): Likewise.
	(SUBWORD_BOOL_CAS): Likewise.
	(FETCH_AND_OP_WORD): Update.
	Consistently use signed types.


Modified:
    branches/gcc-4_9-branch/libgcc/ChangeLog
    branches/gcc-4_9-branch/libgcc/config/pa/linux-atomic.c