* tree-ssa-reassoc.c (reassociate_bb): Clarify code slighly.

From-SVN: r253740

* tree-ssa-reassoc.c (reassociate_bb): Clarify code slighly.
From-SVN: r253740
a1c47ade · Jeff Law · Jeff Law · 5c9c546b · a1c47ade · a1c47ade
Commit a1c47ade authored Oct 13, 2017 by Jeff Law Committed by Jeff Law Oct 13, 2017
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gcc/ChangeLog
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gcc/tree-ssa-reassoc.c
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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
+2017-10-13  Jeff Law  <law@redhat.com>
+
+	* tree-ssa-reassoc.c (reassociate_bb): Clarify code slighly.
+
 2017-10-13  Jakub Jelinek  <jakub@redhat.com>

 	PR target/82274
--- a/gcc/tree-ssa-reassoc.c
+++ b/gcc/tree-ssa-reassoc.c
@@ -5910,7 +5910,7 @@ reassociate_bb (basic_block bb)
 		     move it to the front.  This helps ensure that we generate
 		     (X & Y) & C rather than (X & C) & Y.  The former will
 		     often match a canonical bit test when we get to RTL.  */
-		  if (ops.length () != 2
+		  if (ops.length () > 2
 		      && (rhs_code == BIT_AND_EXPR
 		          || rhs_code == BIT_IOR_EXPR
 		          || rhs_code == BIT_XOR_EXPR)