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From: Martin Liska <marxin@gcc.gnu.org>
To: gcc-cvs@gcc.gnu.org
Subject: [gcc(refs/users/marxin/heads/loop-unswitch-improvement)] Consider only constant class for iranges.
Date: Mon, 22 Nov 2021 12:45:08 +0000 (GMT)	[thread overview]
Message-ID: <20211122124508.7C7893858034@sourceware.org> (raw)

https://gcc.gnu.org/g:b0c9b2a5f366ca05c00fa03ad70cec1307ea3548

commit b0c9b2a5f366ca05c00fa03ad70cec1307ea3548
Author: Martin Liska <mliska@suse.cz>
Date:   Fri Nov 19 15:44:07 2021 +0100

    Consider only constant class for iranges.

Diff:
---
 gcc/tree-ssa-loop-unswitch.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/tree-ssa-loop-unswitch.c b/gcc/tree-ssa-loop-unswitch.c
index e1ff06316e6..afb4572a62e 100644
--- a/gcc/tree-ssa-loop-unswitch.c
+++ b/gcc/tree-ssa-loop-unswitch.c
@@ -253,7 +253,7 @@ tree_may_unswitch_on (basic_block bb, class loop *loop, gimple_ranger *ranger)
   extract_true_false_edges_from_block (bb, &edge_true, &edge_false);
 
   unswitch_predicate *predicate = new unswitch_predicate (stmt, cond);
-  if (irange::supports_type_p (TREE_TYPE (lhs)))
+  if (irange::supports_type_p (TREE_TYPE (lhs)) && CONSTANT_CLASS_P (rhs))
     {
       ranger->range_on_edge (predicate->true_range, edge_true, lhs);
       predicate->false_range = predicate->true_range;


             reply	other threads:[~2021-11-22 12:45 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-22 12:45 Martin Liska [this message]
  -- strict thread matches above, loose matches on Subject: below --
2021-11-19 14:44 Martin Liska

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