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predict.c (propagate_freq): Make bitno unsigned.

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* predict.c (propagate_freq): Make bitno unsigned. Move
	npredecessors update out of loop.

From-SVN: r90056
This commit is contained in:
Nathan Sidwell 2004-11-04 10:10:29 +00:00 committed by Nathan Sidwell
parent e90ea8cbc4
commit b9af00163a
2 changed files with 14 additions and 11 deletions
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3
gcc/ChangeLog
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@ -1,5 +1,8 @@
2004-11-04 Nathan Sidwell <nathan@codesourcery.com>
* predict.c (propagate_freq): Make bitno unsigned. Move
npredecessors update out of loop.
* bitmap.h (bitmap_iterator): Remove word_bit and bit
fields. Rename others.
(bmp_iter_common_next_1, bmp_iter_single_next_1,

22
gcc/predict.c
View File

@ -1557,7 +1557,7 @@ propagate_freq (struct loop *loop, bitmap tovisit)
basic_block head = loop->header;
basic_block bb;
basic_block last;
int i;
unsigned i;
edge e;
basic_block nextbb;
bitmap_iterator bi;
@ -1569,15 +1569,15 @@ propagate_freq (struct loop *loop, bitmap tovisit)
edge_iterator ei;
int count = 0;
/* The outermost "loop" includes the exit block, which we can not
look up via BASIC_BLOCK. Detect this and use EXIT_BLOCK_PTR
directly. Do the same for the entry block just to be safe. */
if (i == ENTRY_BLOCK)
bb = ENTRY_BLOCK_PTR;
else if (i == EXIT_BLOCK)
bb = EXIT_BLOCK_PTR;
else
bb = BASIC_BLOCK (i);
/* The outermost "loop" includes the exit block, which we can not
look up via BASIC_BLOCK. Detect this and use EXIT_BLOCK_PTR
directly. Do the same for the entry block. */
if (i == (unsigned)ENTRY_BLOCK)
bb = ENTRY_BLOCK_PTR;
else if (i == (unsigned)EXIT_BLOCK)
bb = EXIT_BLOCK_PTR;
else
bb = BASIC_BLOCK (i);
FOR_EACH_EDGE (e, ei, bb->preds)
{
@ -1589,8 +1589,8 @@ propagate_freq (struct loop *loop, bitmap tovisit)
fprintf (dump_file,
"Irreducible region hit, ignoring edge to %i->%i\n",
e->src->index, bb->index);
BLOCK_INFO (bb)->npredecessors = count;
}
BLOCK_INFO (bb)->npredecessors = count;
}
memcpy (&BLOCK_INFO (head)->frequency, &real_one, sizeof (real_one));