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* [gcc r14-4763] parloops: Allow poly nit and bound
@ 2023-10-19 17:30 Andre Simoes Dias Vieira
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From: Andre Simoes Dias Vieira @ 2023-10-19 17:30 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:53d40858c8370b2079bfb017c6870b244b718800
commit r14-4763-g53d40858c8370b2079bfb017c6870b244b718800
Author: Andre Vieira <andre.simoesdiasvieira@arm.com>
Date: Thu Oct 19 18:27:18 2023 +0100
parloops: Allow poly nit and bound
Teach parloops how to handle a poly nit and bound e ahead of the changes to
enable non-constant simdlen.
gcc/ChangeLog:
* tree-parloops.cc (try_transform_to_exit_first_loop_alt): Accept
poly NIT and ALT_BOUND.
Diff:
---
gcc/tree-parloops.cc | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/gcc/tree-parloops.cc b/gcc/tree-parloops.cc
index a35f3d5023b0..80f3dd6dce28 100644
--- a/gcc/tree-parloops.cc
+++ b/gcc/tree-parloops.cc
@@ -2531,14 +2531,15 @@ try_transform_to_exit_first_loop_alt (class loop *loop,
tree nit_type = TREE_TYPE (nit);
/* Figure out whether nit + 1 overflows. */
- if (TREE_CODE (nit) == INTEGER_CST)
+ if (poly_int_tree_p (nit))
{
if (!tree_int_cst_equal (nit, TYPE_MAX_VALUE (nit_type)))
{
alt_bound = fold_build2_loc (UNKNOWN_LOCATION, PLUS_EXPR, nit_type,
nit, build_one_cst (nit_type));
- gcc_assert (TREE_CODE (alt_bound) == INTEGER_CST);
+ gcc_assert (TREE_CODE (alt_bound) == INTEGER_CST
+ || TREE_CODE (alt_bound) == POLY_INT_CST);
transform_to_exit_first_loop_alt (loop, reduction_list, alt_bound);
return true;
}
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