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* global.c (calculate_reg_pav): Use VEC instead of VARRAY.

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From-SVN: r99085
This commit is contained in:
Kazu Hirata 2005-05-01 23:34:24 +00:00 • committed by Kazu Hirata
parent ec23484219
commit 26caf96068
2 changed files with 16 additions and 9 deletions
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2
gcc/ChangeLog
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@ -3,6 +3,8 @@
* gimplify.c (gimplify_compound_lval): Use VEC instead of
VARRAY.
* global.c (calculate_reg_pav): Use VEC instead of VARRAY.
2005-05-01 Mark Mitchell <mark@codesourcery.com>
PR C++/14391

23
gcc/global.c
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@ -2292,6 +2292,9 @@ rpost_cmp (const void *bb1, const void *bb2)
/* Temporary bitmap used for live_pavin, live_pavout calculation. */
static bitmap temp_bitmap;
DEF_VEC_P(basic_block);
DEF_VEC_ALLOC_P(basic_block,heap);
/* The function calculates partial register availability according to
the following equations:
@ -2307,22 +2310,22 @@ calculate_reg_pav (void)
basic_block bb, succ;
edge e;
int i, nel;
varray_type bbs, new_bbs, temp;
VEC(basic_block,heap) *bbs, *new_bbs, *temp;
basic_block *bb_array;
sbitmap wset;
VARRAY_BB_INIT (bbs, n_basic_blocks, "basic blocks");
VARRAY_BB_INIT (new_bbs, n_basic_blocks, "basic blocks for the next iter.");
bbs = VEC_alloc (basic_block, heap, n_basic_blocks);
new_bbs = VEC_alloc (basic_block, heap, n_basic_blocks);
temp_bitmap = BITMAP_ALLOC (NULL);
FOR_EACH_BB (bb)
{
VARRAY_PUSH_BB (bbs, bb);
VEC_quick_push (basic_block, bbs, bb);
}
wset = sbitmap_alloc (n_basic_blocks + 1);
while (VARRAY_ACTIVE_SIZE (bbs))
while (VEC_length (basic_block, bbs))
{
bb_array = &VARRAY_BB (bbs, 0);
nel = VARRAY_ACTIVE_SIZE (bbs);
bb_array = VEC_address (basic_block, bbs);
nel = VEC_length (basic_block, bbs);
qsort (bb_array, nel, sizeof (basic_block), rpost_cmp);
sbitmap_zero (wset);
for (i = 0; i < nel; i++)
@ -2356,7 +2359,7 @@ calculate_reg_pav (void)
&& !TEST_BIT (wset, succ->index))
{
SET_BIT (wset, succ->index);
VARRAY_PUSH_BB (new_bbs, succ);
VEC_quick_push (basic_block, new_bbs, succ);
}
}
}
@ -2364,10 +2367,12 @@ calculate_reg_pav (void)
temp = bbs;
bbs = new_bbs;
new_bbs = temp;
VARRAY_POP_ALL (new_bbs);
VEC_truncate (basic_block, new_bbs, 0);
}
sbitmap_free (wset);
BITMAP_FREE (temp_bitmap);
VEC_free (basic_block, heap, new_bbs);
VEC_free (basic_block, heap, bbs);
}
/* The function modifies partial availability information for two