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author | dberlin <dberlin@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-06-10 21:34:07 +0000 |
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committer | dberlin <dberlin@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-06-10 21:34:07 +0000 |
commit | 6126d87b1e8d94fca5687dd339fefc6f3b8b42ee (patch) | |
tree | c49b7ab0066a8daebec2563f4275123dfcb8a2a6 /gcc/lambda-code.c | |
parent | 8154c14223315b8850ebbc5f244ab4266da6fc13 (diff) | |
download | linaro-gcc-6126d87b1e8d94fca5687dd339fefc6f3b8b42ee.tar.gz linaro-gcc-6126d87b1e8d94fca5687dd339fefc6f3b8b42ee.tar.bz2 linaro-gcc-6126d87b1e8d94fca5687dd339fefc6f3b8b42ee.zip |
2005-06-10 Daniel Berlin <dberlin@dberlin.org>
* lambda-code.c (replace_uses_equiv_to_x_with_y): Check step
and access function against chrec_dont_know.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@100831 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/lambda-code.c')
-rw-r--r-- | gcc/lambda-code.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/gcc/lambda-code.c b/gcc/lambda-code.c index cedc8cd129f..6dbbe6d8b8b 100644 --- a/gcc/lambda-code.c +++ b/gcc/lambda-code.c @@ -2182,9 +2182,9 @@ replace_uses_equiv_to_x_with_y (struct loop *loop, tree stmt, tree x, access_fn = instantiate_parameters (loop, analyze_scalar_evolution (loop, use)); - if (access_fn != NULL_TREE) + if (access_fn != NULL_TREE && access_fn != chrec_dont_know) step = evolution_part_in_loop_num (access_fn, loop->num); - if ((step && int_cst_value (step) == xstep) + if ((step && step != chrec_dont_know && int_cst_value (step) == xstep) || USE_FROM_PTR (use_p) == x) SET_USE (use_p, y); } |