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| author | rakdver <rakdver@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-05-24 22:55:15 +0000 |
|---|---|---|
| committer | rakdver <rakdver@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-05-24 22:55:15 +0000 |
| commit | 57e3f39a03f36b17be20342c52046ec2747949ab (patch) | |
| tree | 1cb568e88ce4a846caaddba12bd18eb12329f4b8 /gcc/tree-ssa-loop-ivopts.c | |
| parent | fc9d61a25902ed5b2961c433dd0c71f5e776aa56 (diff) | |
| download | gcc-57e3f39a03f36b17be20342c52046ec2747949ab.tar.gz | |
PR tree-optimization/27639
PR tree-optimization/26719
* tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
call to scev_probably_wraps_p.
* tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
used_in_pointer_arithmetic_p, convert_step): Removed.
(nowrap_type_p): New function.
(scev_probably_wraps_p): Rewritten.
* tree-scalar-evolution.c (instantiate_parameters_1): Do not call
chrec_convert if chrec_convert_aggressive might have been used.
* tree-chrec.c (convert_affine_scev, chrec_convert_1,
scev_direction): New functions.
(chrec_convert): Changed to a wrapper over chrec_convert_1.
* tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
instead of convert_step.
* tree-flow.h (scev_probably_wraps_p): Declaration changed.
(convert_step): Declaration removed.
(convert_affine_scev, nowrap_type_p, scev_direction): Declare.
* gcc.dg/pr27639.c: New test.
* gcc.dg/pr26719.c: New test.
* gcc.dg/tree-ssa/scev-cast.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@114057 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa-loop-ivopts.c')
| -rw-r--r-- | gcc/tree-ssa-loop-ivopts.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/gcc/tree-ssa-loop-ivopts.c b/gcc/tree-ssa-loop-ivopts.c index 9a289cc6f4f..2bb2f0621b7 100644 --- a/gcc/tree-ssa-loop-ivopts.c +++ b/gcc/tree-ssa-loop-ivopts.c @@ -1338,7 +1338,7 @@ idx_find_step (tree base, tree *idx, void *data) { struct ifs_ivopts_data *dta = data; struct iv *iv; - tree step, iv_step, lbound, off; + tree step, iv_base, iv_step, lbound, off; struct loop *loop = dta->ivopts_data->current_loop; if (TREE_CODE (base) == MISALIGNED_INDIRECT_REF @@ -1394,12 +1394,11 @@ idx_find_step (tree base, tree *idx, void *data) /* The step for pointer arithmetics already is 1 byte. */ step = build_int_cst (sizetype, 1); - /* FIXME: convert_step should not be used outside chrec_convert: fix - this by calling chrec_convert. */ - iv_step = convert_step (dta->ivopts_data->current_loop, - sizetype, iv->base, iv->step, dta->stmt); - - if (!iv_step) + iv_base = iv->base; + iv_step = iv->step; + if (!convert_affine_scev (dta->ivopts_data->current_loop, + sizetype, &iv_base, &iv_step, dta->stmt, + false)) { /* The index might wrap. */ return false; |