* config/sparc/sparc.c (sparc_emit_membar_for_model): Fix reversed
handling of before and after cases.
* config/sparc/sync.md (atomic_store): Fix pasto.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@194532
138bc75d-0d04-0410-961f-
82ee72b054a4
+2012-12-16 Eric Botcazou <ebotcazou@adacore.com>
+ Tomash Brechko <tomash.brechko@gmail.com>
+
+ PR target/55673
+ * config/sparc/sparc.c (sparc_emit_membar_for_model): Fix reversed
+ handling of before and after cases.
+ * config/sparc/sync.md (atomic_store): Fix pasto.
+
2012-12-14 Yvan Roux <yvan.roux@linaro.org>
* optabs.c (expand_atomic_store): Elide redundant model test.
if (before_after & 1)
{
- if (model == MEMMODEL_ACQUIRE
- || model == MEMMODEL_ACQ_REL
- || model == MEMMODEL_SEQ_CST)
+ if (model == MEMMODEL_RELEASE
+ || model == MEMMODEL_ACQ_REL
+ || model == MEMMODEL_SEQ_CST)
{
if (load_store & 1)
- mm |= LoadLoad | LoadStore;
+ mm |= LoadLoad | StoreLoad;
if (load_store & 2)
- mm |= StoreLoad | StoreStore;
+ mm |= LoadStore | StoreStore;
}
}
if (before_after & 2)
{
- if (model == MEMMODEL_RELEASE
+ if (model == MEMMODEL_ACQUIRE
|| model == MEMMODEL_ACQ_REL
|| model == MEMMODEL_SEQ_CST)
{
if (load_store & 1)
- mm |= LoadLoad | StoreLoad;
+ mm |= LoadLoad | LoadStore;
if (load_store & 2)
- mm |= LoadStore | StoreStore;
+ mm |= StoreLoad | StoreStore;
}
}
(define_expand "membar"
[(set (match_dup 1)
- (unspec:BLK [(match_dup 1)
- (match_operand:SI 0 "const_int_operand")]
+ (unspec:BLK [(match_dup 1) (match_operand:SI 0 "const_int_operand")]
UNSPEC_MEMBAR))]
"TARGET_V8 || TARGET_V9"
{
"stbar"
[(set_attr "type" "multi")])
-;; For V8, LDSTUB has the effect of membar #StoreLoad
+;; For V8, LDSTUB has the effect of membar #StoreLoad.
(define_insn "*membar_storeload"
[(set (match_operand:BLK 0 "" "")
(unspec:BLK [(match_dup 0) (const_int 2)] UNSPEC_MEMBAR))]
[(set_attr "type" "load,fpload")])
(define_expand "atomic_store<mode>"
- [(match_operand:I 0 "register_operand" "")
- (match_operand:I 1 "memory_operand" "")
+ [(match_operand:I 0 "memory_operand" "")
+ (match_operand:I 1 "register_operand" "")
(match_operand:SI 2 "const_int_operand" "")]
""
{