From: Richard Biener <rguenther@suse.de>
Date: Thu, 30 Sep 2021 08:21:36 +0000 (+0200)
Subject: Fix thinko in previous alignment peeling change
X-Git-Tag: upstream/12.2.0~4718
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c2dc29c4a54b8d80c4fbd753d65b75f4313ffec3;p=platform%2Fupstream%2Fgcc.git

Fix thinko in previous alignment peeling change

I was mistaken in that npeel is -1 for variable peeling - it is 0.

2021-09-30  Richard Biener  <rguenther@suse.de>

	* tree-vect-data-refs.c (vect_update_misalignment_for_peel):
	Fix npeel check for variable amount of peeling.
---

diff --git a/gcc/tree-vect-data-refs.c b/gcc/tree-vect-data-refs.c
index 1c6fc4a..bece58d 100644
--- a/gcc/tree-vect-data-refs.c
+++ b/gcc/tree-vect-data-refs.c
@@ -1265,7 +1265,7 @@ vect_update_misalignment_for_peel (dr_vec_info *dr_info,
   tree vectype = STMT_VINFO_VECTYPE (dr_info->stmt);
   if (DR_TARGET_ALIGNMENT (dr_info).is_constant (&alignment)
       && known_alignment_for_access_p (dr_info, vectype)
-      && npeel != -1)
+      && npeel != 0)
     {
       int misal = dr_info->misalignment;
       misal += npeel * TREE_INT_CST_LOW (DR_STEP (dr_info->dr));