From 01e79e21bbb2d10ecac784d383cefb88d2e20692 Mon Sep 17 00:00:00 2001
From: Richard Biener <rguenther@suse.de>
Date: Thu, 9 Mar 2023 10:56:57 +0100
Subject: [PATCH] Avoid unnecessary epilogues from tree_unroll_loop
The following fixes the condition determining whether we need an
epilogue.
* tree-ssa-loop-manip.cc (determine_exit_conditions): Fix
no epilogue condition.
---
gcc/tree-ssa-loop-manip.cc | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/gcc/tree-ssa-loop-manip.cc b/gcc/tree-ssa-loop-manip.cc
index 09acc1c94cce..4ef27bae5152 100644
--- a/gcc/tree-ssa-loop-manip.cc
+++ b/gcc/tree-ssa-loop-manip.cc
@@ -1010,7 +1010,7 @@ determine_exit_conditions (class loop *loop, class tree_niter_desc *desc,
/* Convert the latch count to an iteration count. */
tree niter = fold_build2 (PLUS_EXPR, type, desc->niter,
build_one_cst (type));
- if (multiple_of_p (type, niter, bigstep))
+ if (multiple_of_p (type, niter, build_int_cst (type, factor)))
return;
}
--
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