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| author | dalej <dalej@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-08-31 17:25:36 +0000 |
|---|---|---|
| committer | dalej <dalej@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-08-31 17:25:36 +0000 |
| commit | 58379c862cb7abec28dfea4263b2c9bc70a1c631 (patch) | |
| tree | 7d06abad9fae4d070663e319140ad86a839b5874 /gcc/loop-iv.c | |
| parent | a2442f84f375aa83c12c76ad7f7a963e59b1124d (diff) | |
| download | gcc-58379c862cb7abec28dfea4263b2c9bc70a1c631.tar.gz | |
2005-08-31 Dale Johannesen <dalej@apple.com>
* loop-iv.c (iv_number_of_iterations): Fix overflow check for
loops that count down.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@103689 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/loop-iv.c')
| -rw-r--r-- | gcc/loop-iv.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/loop-iv.c b/gcc/loop-iv.c index 7c7a5de0a55..8e915a04b23 100644 --- a/gcc/loop-iv.c +++ b/gcc/loop-iv.c @@ -2417,7 +2417,7 @@ iv_number_of_iterations (struct loop *loop, rtx insn, rtx condition, tmp0 = lowpart_subreg (mode, iv0.base, comp_mode); tmp1 = lowpart_subreg (mode, iv1.base, comp_mode); - bound = simplify_gen_binary (MINUS, mode, mode_mmin, + bound = simplify_gen_binary (PLUS, mode, mode_mmin, lowpart_subreg (mode, step, comp_mode)); if (step_is_pow2) { |