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Zwinkau
libfirm
Commits
b7388535
Commit
b7388535
authored
Jul 27, 2010
by
Matthias Braun
Browse files
no need to pass environment stuff aroudn that can be retireved from irg
[r27819]
parent
ef2e65d9
Changes
1
Hide whitespace changes
Inline
Side-by-side
ir/be/beflags.c
View file @
b7388535
...
...
@@ -127,7 +127,7 @@ static bool can_move(ir_node *node, ir_node *after)
}
static
void
rematerialize_or_move
(
ir_node
*
flags_needed
,
ir_node
*
node
,
ir_node
*
flag_consumers
,
int
pn
,
be_lv_t
*
lv
)
ir_node
*
flag_consumers
,
int
pn
)
{
ir_node
*
n
;
ir_node
*
copy
;
...
...
@@ -172,7 +172,9 @@ static void rematerialize_or_move(ir_node *flags_needed, ir_node *node,
* we have to update the liveness of all operands */
if
(
is_Block
(
node
)
||
get_nodes_block
(
node
)
!=
get_nodes_block
(
flags_needed
))
{
int
i
;
ir_graph
*
irg
=
get_irn_irg
(
node
);
be_lv_t
*
lv
=
be_get_irg_liveness
(
irg
);
int
i
;
if
(
lv
!=
NULL
)
{
for
(
i
=
get_irn_arity
(
copy
)
-
1
;
i
>=
0
;
--
i
)
{
...
...
@@ -200,6 +202,7 @@ static void fix_flags_walker(ir_node *block, void *env)
ir_node
*
flags_needed
=
NULL
;
ir_node
*
flag_consumers
=
NULL
;
int
pn
=
-
1
;
(
void
)
env
;
sched_foreach_reverse
(
block
,
node
)
{
int
i
,
arity
;
...
...
@@ -222,7 +225,7 @@ static void fix_flags_walker(ir_node *block, void *env)
if
(
flags_needed
!=
NULL
&&
is_modify_flags
(
test
))
{
/* rematerialize */
rematerialize_or_move
(
flags_needed
,
node
,
flag_consumers
,
pn
,
env
);
rematerialize_or_move
(
flags_needed
,
node
,
flag_consumers
,
pn
);
flags_needed
=
NULL
;
flag_consumers
=
NULL
;
}
...
...
@@ -246,7 +249,7 @@ static void fix_flags_walker(ir_node *block, void *env)
if
(
skip_Proj
(
new_flags_needed
)
!=
flags_needed
)
{
if
(
flags_needed
!=
NULL
)
{
/* rematerialize node */
rematerialize_or_move
(
flags_needed
,
node
,
flag_consumers
,
pn
,
env
);
rematerialize_or_move
(
flags_needed
,
node
,
flag_consumers
,
pn
);
flags_needed
=
NULL
;
flag_consumers
=
NULL
;
}
...
...
@@ -269,7 +272,7 @@ static void fix_flags_walker(ir_node *block, void *env)
if
(
flags_needed
!=
NULL
)
{
assert
(
get_nodes_block
(
flags_needed
)
!=
block
);
rematerialize_or_move
(
flags_needed
,
node
,
flag_consumers
,
pn
,
env
);
rematerialize_or_move
(
flags_needed
,
node
,
flag_consumers
,
pn
);
flags_needed
=
NULL
;
flag_consumers
=
NULL
;
}
...
...
@@ -289,7 +292,7 @@ void be_sched_fix_flags(ir_graph *irg, const arch_register_class_t *flag_cls,
remat
=
&
default_remat
;
ir_reserve_resources
(
irg
,
IR_RESOURCE_IRN_LINK
);
irg_block_walk_graph
(
irg
,
fix_flags_walker
,
NULL
,
be_get_irg_liveness
(
irg
)
);
irg_block_walk_graph
(
irg
,
fix_flags_walker
,
NULL
,
NULL
);
ir_free_resources
(
irg
,
IR_RESOURCE_IRN_LINK
);
if
(
changed
)
{
...
...
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