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sync.md (mem_thread_fence): Mask operands[0] with MEMMODEL_MASK to determine memory model.

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* config/i386/sync.md (mem_thread_fence): Mask operands[0] with
	MEMMODEL_MASK to determine memory model.
	(atomic_store<mode>): Ditto from operands[2].
	* config/i386/i386.c (ix86_memmodel_check): Declare "strong" as bool.

From-SVN: r195137
This commit is contained in:
Uros Bizjak 2013-01-13 20:06:54 +01:00
parent 9d60be3866
commit 45805f1703
4 changed files with 15 additions and 7 deletions
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12
gcc/ChangeLog
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@ -1,8 +1,14 @@
2013-01-13 Uros Bizjak <ubizjak@gmail.com>
* config/i386/sync.md (mem_thread_fence): Mask operands[0] with
MEMMODEL_MASK to determine memory model.
(atomic_store<mode>): Ditto from operands[2].
* config/i386/i386.c (ix86_memmodel_check): Declare "strong" as bool.
2013-01-13 Jakub Jelinek <jakub@redhat.com>
PR fortran/55935
* gimple-fold.c (get_symbol_constant_value): Call
unshare_expr.
* gimple-fold.c (get_symbol_constant_value): Call unshare_expr.
(fold_gimple_assign): Don't call unshare_expr here.
(fold_ctor_reference): Call unshare_expr.
@ -61,7 +67,7 @@
2013-01-10 Richard Sandiford <rdsandiford@googlemail.com>
Update copyright years
Update copyright years.
2013-01-10 Vladimir Makarov <vmakarov@redhat.com>

2
gcc/config/i386/i386.c
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@ -42082,7 +42082,7 @@ static unsigned HOST_WIDE_INT
ix86_memmodel_check (unsigned HOST_WIDE_INT val)
{
unsigned HOST_WIDE_INT model = val & MEMMODEL_MASK;
unsigned HOST_WIDE_INT strong;
bool strong;
if (val & ~(unsigned HOST_WIDE_INT)(IX86_HLE_ACQUIRE|IX86_HLE_RELEASE
|MEMMODEL_MASK)

6
gcc/config/i386/sync.md
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@ -101,9 +101,11 @@
[(match_operand:SI 0 "const_int_operand")] ;; model
""
{
enum memmodel model = (enum memmodel) (INTVAL (operands[0]) & MEMMODEL_MASK);
/* Unless this is a SEQ_CST fence, the i386 memory model is strong
enough not to require barriers of any kind. */
if (INTVAL (operands[0]) == MEMMODEL_SEQ_CST)
if (model == MEMMODEL_SEQ_CST)
{
rtx (*mfence_insn)(rtx);
rtx mem;
@ -200,7 +202,7 @@
UNSPEC_MOVA))]
""
{
enum memmodel model = (enum memmodel) INTVAL (operands[2]);
enum memmodel model = (enum memmodel) (INTVAL (operands[2]) & MEMMODEL_MASK);
if (<MODE>mode == DImode && !TARGET_64BIT)
{

2
gcc/testsuite/ChangeLog
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@ -52,7 +52,7 @@
2013-01-10 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/pr55672
PR rtl-optimization/55672
* gcc.target/i386/pr55672.c: New.
2013-01-10 Jeff Law <law@redhat.com>