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| author | hp <hp@138bc75d-0d04-0410-961f-82ee72b054a4> | 2000-04-12 20:46:22 +0000 |
|---|---|---|
| committer | hp <hp@138bc75d-0d04-0410-961f-82ee72b054a4> | 2000-04-12 20:46:22 +0000 |
| commit | 9e5256ce26637e8e626ad4204d26242a04df501c (patch) | |
| tree | bc48b9ecca681a64c34f3b4beb68bbcf82162b4c /gcc/reorg.c | |
| parent | 8624bfa604792f9cb9865400b6c87356077f1204 (diff) | |
| download | gcc-9e5256ce26637e8e626ad4204d26242a04df501c.tar.gz | |
* reorg.c (fill_slots_from_thread): Check side_effects_p when
trying the "opposite arithmetic" approach.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@33125 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/reorg.c')
| -rw-r--r-- | gcc/reorg.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/reorg.c b/gcc/reorg.c index 3997c746ed8..379def73cbb 100644 --- a/gcc/reorg.c +++ b/gcc/reorg.c @@ -2808,7 +2808,8 @@ fill_slots_from_thread (insn, condition, thread, opposite_thread, likely, dest = SET_DEST (pat), src = SET_SRC (pat); if ((GET_CODE (src) == PLUS || GET_CODE (src) == MINUS) && rtx_equal_p (XEXP (src, 0), dest) - && ! reg_overlap_mentioned_p (dest, XEXP (src, 1))) + && ! reg_overlap_mentioned_p (dest, XEXP (src, 1)) + && ! side_effects_p (pat)) { rtx other = XEXP (src, 1); rtx new_arith; |