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authorUros Bizjak <uros@gcc.gnu.org>2013-01-16 08:10:21 +0100
committerUros Bizjak <uros@gcc.gnu.org>2013-01-16 08:10:21 +0100
commit88e784e6c2430ffebd0afd3a31ab6b1f0f5f3ab0 (patch)
tree9477e573e8737008d7fa38034cbb5298d49d4610 /gcc/optabs.c
parent5147bf6a236993578d316dfe7c7e7182da1cdf90 (diff)
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emit-rtl.c (need_atomic_barrier_p): Mask memory model argument with MEMMODEL_MASK before comparing with MEMMODEL_*...
* emit-rtl.c (need_atomic_barrier_p): Mask memory model argument with MEMMODEL_MASK before comparing with MEMMODEL_* memory types. * optabs.c (maybe_emit_sync_lock_test_and_set): Ditto. (expand_mem_thread_fence): Ditto. (expand_mem_signal_fence): Ditto. (expand_atomic_load): Ditto. (expand_atomic_store): Ditto. From-SVN: r195228
Diffstat (limited to 'gcc/optabs.c')
-rw-r--r--gcc/optabs.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/gcc/optabs.c b/gcc/optabs.c
index e637a1e..8a3d3a9 100644
--- a/gcc/optabs.c
+++ b/gcc/optabs.c
@@ -7008,9 +7008,9 @@ maybe_emit_sync_lock_test_and_set (rtx target, rtx mem, rtx val,
exists, and the memory model is stronger than acquire, add a release
barrier before the instruction. */
- if (model == MEMMODEL_SEQ_CST
- || model == MEMMODEL_RELEASE
- || model == MEMMODEL_ACQ_REL)
+ if ((model & MEMMODEL_MASK) == MEMMODEL_SEQ_CST
+ || (model & MEMMODEL_MASK) == MEMMODEL_RELEASE
+ || (model & MEMMODEL_MASK) == MEMMODEL_ACQ_REL)
expand_mem_thread_fence (model);
if (icode != CODE_FOR_nothing)
@@ -7388,7 +7388,7 @@ expand_mem_thread_fence (enum memmodel model)
{
if (HAVE_mem_thread_fence)
emit_insn (gen_mem_thread_fence (GEN_INT (model)));
- else if (model != MEMMODEL_RELAXED)
+ else if ((model & MEMMODEL_MASK) != MEMMODEL_RELAXED)
{
if (HAVE_memory_barrier)
emit_insn (gen_memory_barrier ());
@@ -7412,7 +7412,7 @@ expand_mem_signal_fence (enum memmodel model)
{
if (HAVE_mem_signal_fence)
emit_insn (gen_mem_signal_fence (GEN_INT (model)));
- else if (model != MEMMODEL_RELAXED)
+ else if ((model & MEMMODEL_MASK) != MEMMODEL_RELAXED)
{
/* By default targets are coherent between a thread and the signal
handler running on the same thread. Thus this really becomes a
@@ -7467,7 +7467,7 @@ expand_atomic_load (rtx target, rtx mem, enum memmodel model)
target = gen_reg_rtx (mode);
/* For SEQ_CST, emit a barrier before the load. */
- if (model == MEMMODEL_SEQ_CST)
+ if ((model & MEMMODEL_MASK) == MEMMODEL_SEQ_CST)
expand_mem_thread_fence (model);
emit_move_insn (target, mem);
@@ -7513,7 +7513,7 @@ expand_atomic_store (rtx mem, rtx val, enum memmodel model, bool use_release)
if (maybe_expand_insn (icode, 2, ops))
{
/* lock_release is only a release barrier. */
- if (model == MEMMODEL_SEQ_CST)
+ if ((model & MEMMODEL_MASK) == MEMMODEL_SEQ_CST)
expand_mem_thread_fence (model);
return const0_rtx;
}
@@ -7540,7 +7540,7 @@ expand_atomic_store (rtx mem, rtx val, enum memmodel model, bool use_release)
emit_move_insn (mem, val);
/* For SEQ_CST, also emit a barrier after the store. */
- if (model == MEMMODEL_SEQ_CST)
+ if ((model & MEMMODEL_MASK) == MEMMODEL_SEQ_CST)
expand_mem_thread_fence (model);
return const0_rtx;