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recog.c (split_all_insns): Include new blocks in life update; do a global life update.

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* recog.c (split_all_insns): Include new blocks in life update;
        do a global life update.

From-SVN: r62941
This commit is contained in:
Richard Henderson 2003-02-15 13:01:48 -08:00 • committed by Richard Henderson
parent 86ac05753c
commit 9381bbc998
2 changed files with 19 additions and 7 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2003-02-15 Richard Henderson <rth@redhat.com>
* recog.c (split_all_insns): Include new blocks in life update;
do a global life update.
2003-02-15 Danny Smith <dannysmith@users.sourceforge.net>
* config/i386/mingw32.h (LIBGCC_SPEC): Add libmingwex.a.

21
gcc/recog.c
View file

@ -2840,12 +2840,12 @@ split_all_insns (upd_life)
int upd_life;
{
sbitmap blocks;
int changed;
bool changed;
basic_block bb;
blocks = sbitmap_alloc (last_basic_block);
sbitmap_zero (blocks);
changed = 0;
changed = false;
FOR_EACH_BB_REVERSE (bb)
{
@ -2870,7 +2870,7 @@ split_all_insns (upd_life)
while (GET_CODE (last) == BARRIER)
last = PREV_INSN (last);
SET_BIT (blocks, bb->index);
changed = 1;
changed = true;
insn = last;
}
}
@ -2878,14 +2878,21 @@ split_all_insns (upd_life)
if (changed)
{
int old_last_basic_block = last_basic_block;
find_many_sub_basic_blocks (blocks);
while (old_last_basic_block < last_basic_block)
{
SET_BIT (blocks, old_last_basic_block);
old_last_basic_block++;
}
}
if (changed && upd_life)
{
count_or_remove_death_notes (blocks, 1);
update_life_info (blocks, UPDATE_LIFE_LOCAL, PROP_DEATH_NOTES);
}
update_life_info (blocks, UPDATE_LIFE_GLOBAL_RM_NOTES,
PROP_DEATH_NOTES | PROP_REG_INFO);
#ifdef ENABLE_CHECKING
verify_flow_info ();
#endif