From patchwork Mon Nov 26 12:09:25 2012
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Subject: Remove redundant variable in hash_set
Date: Mon, 26 Nov 2012 02:09:25 -0000
From: Marek Polacek <polacek@redhat.com>
X-Patchwork-Id: 201661
Message-Id: <20121126120925.GG17362@redhat.com>
To: GCC Patches <gcc-patches@gcc.gnu.org>

I don't see why we need the `hash' variable, when we can use the
`regno' variable directly.  Regtested/bootstrapped on x86_64-linux.
Ok for trunk?

2012-11-26  Marek Polacek  <polacek@redhat.com>

	* cprop.c (hash_set): Remove hash variable.  Use regno
	variable directly.


	Marek


--- gcc/cprop.c.mp	2012-11-26 12:13:08.631193625 +0100
+++ gcc/cprop.c	2012-11-26 12:13:25.836238566 +0100
@@ -170,10 +170,7 @@ reg_available_p (const_rtx x, const_rtx
 static unsigned int
 hash_set (int regno, int hash_table_size)
 {
-  unsigned int hash;
-
-  hash = regno;
-  return hash % hash_table_size;
+  return (unsigned) regno % hash_table_size;
 }
 
 /* Insert assignment DEST:=SET from INSN in the hash table.