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[Bug target/65697] __atomic memory barriers not strong enough for __sync builtins
- From: "mwahab at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 01 Jun 2015 15:18:52 +0000
- Subject: [Bug target/65697] __atomic memory barriers not strong enough for __sync builtins
- Auto-submitted: auto-generated
- References: <bug-65697-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65697
--- Comment #58 from mwahab at gcc dot gnu.org ---
Author: mwahab
Date: Mon Jun 1 15:18:19 2015
New Revision: 223983
URL: https://gcc.gnu.org/viewcvs?rev=223983&root=gcc&view=rev
Log:
PR target/65697
* config/aarch64/aarch64.c (aarch64_emit_post_barrier):New.
(aarch64_split_atomic_op): Check for __sync memory models, emit
appropriate initial loads and final barriers.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/aarch64/aarch64.c