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reorg.c (fill_slots_from_thread): Check modified_in_p before replacing.

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* reorg.c (fill_slots_from_thread): Check modified_in_p
        before replacing.

From-SVN: r31349
This commit is contained in:
Toshiyasu Morita 2000-01-12 10:30:33 +00:00 committed by Jeff Law
parent 25e3c7bf27
commit b746d31a11
2 changed files with 7 additions and 1 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
* reorg.c (fill_slots_from_thread): Check modified_in_p
before replacing.
Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
* gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format

3
gcc/reorg.c
View File

@ -2748,7 +2748,8 @@ fill_slots_from_thread (insn, condition, thread, opposite_thread, likely,
&& GET_CODE (PATTERN (next)) != USE
&& ! reg_set_p (SET_DEST (pat), next)
&& ! reg_set_p (SET_SRC (pat), next)
&& reg_referenced_p (SET_DEST (pat), PATTERN (next)))
&& reg_referenced_p (SET_DEST (pat), PATTERN (next))
&& ! modified_in_p (SET_DEST (pat), next))
validate_replace_rtx (SET_DEST (pat), SET_SRC (pat), next);
}
}