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cfg.c (clear_aux_for_blocks): Split out of ... 

* cfg.c (clear_aux_for_blocks): Split out of ...
        (free_aux_for_blocks): here.
        (clear_aux_for_edges): Split from ...
        (free_aux_for_edges): here.
        * basic-block.h: Declare them.
        * lcm.c (compute_antinout_edge): Use them.
        (compute_laterin, compute_available, compute_nearerout): Likewise.
        (optimize_mode_switching): Likewise.

From-SVN: r46534
This commit is contained in:
Richard Henderson 2001-10-26 00:49:34 -07:00 committed by Richard Henderson
parent 4992fc7ff5
commit 108c1afce2
4 changed files with 51 additions and 13 deletions
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11
gcc/ChangeLog
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@ -1,3 +1,14 @@
2001-10-26 Richard Henderson <rth@redhat.com>
* cfg.c (clear_aux_for_blocks): Split out of ...
(free_aux_for_blocks): here.
(clear_aux_for_edges): Split from ...
(free_aux_for_edges): here.
* basic-block.h: Declare them.
* lcm.c (compute_antinout_edge): Use them.
(compute_laterin, compute_available, compute_nearerout): Likewise.
(optimize_mode_switching): Likewise.
2001-10-26 Richard Henderson <rth@redhat.com>
* Makefile.in (unstage*): Remove as, ld, collect-ld before

2
gcc/basic-block.h
View File

@ -649,9 +649,11 @@ extern void flow_edge_list_print PARAMS ((const char *, const edge *,
int, FILE *));
extern void alloc_aux_for_block PARAMS ((basic_block, int));
extern void alloc_aux_for_blocks PARAMS ((int));
extern void clear_aux_for_blocks PARAMS ((void));
extern void free_aux_for_blocks PARAMS ((void));
extern void alloc_aux_for_edge PARAMS ((edge, int));
extern void alloc_aux_for_edges PARAMS ((int));
extern void clear_aux_for_edges PARAMS ((void));
extern void free_aux_for_edges PARAMS ((void));
/* This function is always defined so it can be called from the

44
gcc/cfg.c
View File

@ -618,22 +618,31 @@ alloc_aux_for_blocks (size)
}
}
/* Clear AUX pointers of all blocks. */
void
clear_aux_for_blocks ()
{
int i;
for (i = 0; i < n_basic_blocks; i++)
BASIC_BLOCK (i)->aux = NULL;
ENTRY_BLOCK_PTR->aux = NULL;
EXIT_BLOCK_PTR->aux = NULL;
}
/* Free data allocated in block_aux_obstack and clear AUX pointers
of all blocks. */
void
free_aux_for_blocks ()
{
int i;
if (!first_block_aux_obj)
abort ();
obstack_free (&block_aux_obstack, first_block_aux_obj);
for (i = 0; i < n_basic_blocks; i++)
BASIC_BLOCK (i)->aux = NULL;
ENTRY_BLOCK_PTR->aux = NULL;
EXIT_BLOCK_PTR->aux = NULL;
first_block_aux_obj = NULL;
clear_aux_for_blocks ();
}
/* Allocate an memory edge of SIZE as BB->aux. The obstack must
@ -687,17 +696,13 @@ alloc_aux_for_edges (size)
}
}
/* Free data allocated in edge_aux_obstack and clear AUX pointers
of all edges. */
/* Clear AUX pointers of all edges. */
void
free_aux_for_edges ()
clear_aux_for_edges ()
{
int i;
if (!first_edge_aux_obj)
abort ();
obstack_free (&edge_aux_obstack, first_edge_aux_obj);
for (i = -1; i < n_basic_blocks; i++)
{
basic_block bb;
@ -710,5 +715,18 @@ free_aux_for_edges ()
for (e = bb->succ; e; e = e->succ_next)
e->aux = NULL;
}
first_edge_aux_obj = NULL;
}
/* Free data allocated in edge_aux_obstack and clear AUX pointers
of all edges. */
void
free_aux_for_edges ()
{
if (!first_edge_aux_obj)
abort ();
obstack_free (&edge_aux_obstack, first_edge_aux_obj);
first_edge_aux_obj = NULL;
clear_aux_for_edges ();
}

7
gcc/lcm.c
View File

@ -177,6 +177,8 @@ compute_antinout_edge (antloc, transp, antin, antout)
}
}
clear_aux_for_edges ();
clear_aux_for_blocks ();
free (worklist);
}
@ -354,6 +356,7 @@ compute_laterin (edge_list, earliest, antloc, later, laterin)
laterin[n_basic_blocks],
later[(size_t) e->aux]);
clear_aux_for_edges ();
free (worklist);
}
@ -565,6 +568,8 @@ compute_available (avloc, kill, avout, avin)
}
}
clear_aux_for_edges ();
clear_aux_for_blocks ();
free (worklist);
}
@ -695,6 +700,7 @@ compute_nearerout (edge_list, farthest, st_avloc, nearer, nearerout)
nearerout[n_basic_blocks],
nearer[(size_t) e->aux]);
clear_aux_for_edges ();
free (tos);
}
@ -1273,6 +1279,7 @@ optimize_mode_switching (file)
}
}
clear_aux_for_edges ();
free_edge_list (edge_list);
}