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* [gcc(refs/users/guojiufu/heads/personal-branch)] change <max to <=max
@ 2021-06-22  2:36 Jiu Fu Guo
  0 siblings, 0 replies; only message in thread
From: Jiu Fu Guo @ 2021-06-22  2:36 UTC (permalink / raw)
  To: gcc-cvs

https://gcc.gnu.org/g:92bef6fe067376d0db878fd21730f5facbead0d1

commit 92bef6fe067376d0db878fd21730f5facbead0d1
Author: Jiufu Guo <guojiufu@linux.ibm.com>
Date:   Mon Jun 21 10:47:41 2021 +0800

    change <max to <=max

Diff:
---
 gcc/tree-ssa-loop-split.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gcc/tree-ssa-loop-split.c b/gcc/tree-ssa-loop-split.c
index b247afd51a1..bf9cee66e92 100644
--- a/gcc/tree-ssa-loop-split.c
+++ b/gcc/tree-ssa-loop-split.c
@@ -1818,8 +1818,9 @@ get_wrap_assumption (class loop *loop, edge *exit, idx_elements &data)
 	max_min_bnd = fold_convert (large_type, max_min_bnd);
 
       /* There is no wrap if bnd <= max value && base <= bnd.  */
+      enum tree_code expect_code1 = is_negative ? GE_EXPR : LE_EXPR;      
       tree no_wrap
-	= fold_build2 (expect_code, boolean_type_node, bnd, max_min_bnd);
+	= fold_build2 (expect_code1, boolean_type_node, bnd, max_min_bnd);
       no_wrap
 	= fold_build2 (TRUTH_AND_EXPR, boolean_type_node, no_wrap,
 		       fold_build2 (expect_code, boolean_type_node, base, bnd));


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