diff mbox

[6/7] fixup: emit barrier for sync_test_and_set.

Message ID 1321564975-14750-2-git-send-email-rth@redhat.com
State New
Headers show

Commit Message

Richard Henderson Nov. 17, 2011, 9:22 p.m. UTC 
---
 gcc/config/sparc/sync.md |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
diff mbox

Patch

diff --git a/gcc/config/sparc/sync.md b/gcc/config/sparc/sync.md
index 782aa60..821d59e 100644
--- a/gcc/config/sparc/sync.md
+++ b/gcc/config/sparc/sync.md
@@ -229,6 +229,7 @@ 
     FAIL;
   if (<MODE>mode != QImode)
     operands[1] = adjust_address (operands[1], QImode, 0);
+  sparc_emit_membar_for_model (MEMMODEL_ACQUIRE, 3, 1);
   emit_insn (gen_ldstub<mode> (operands[0], operands[1]));
   DONE;
 })