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[patch] tree-ssa-loop-im.c: Remove a local variable that is setbut not used.
- From: Kazu Hirata <kazu at cs dot umass dot edu>
- To: gcc-patches at gcc dot gnu dot org
- Date: Wed, 09 Mar 2005 06:37:37 -0500 (EST)
- Subject: [patch] tree-ssa-loop-im.c: Remove a local variable that is setbut not used.
Hi,
Attached is a patch to remove a local variable that is set but not
used.
Bootstrapped on i686-pc-linux-gnu. Committed as obvious.
Kazu Hirata
2005-03-09 Kazu Hirata <kazu@cs.umass.edu>
* tree-ssa-loop-im.c (lhs): Remove.
Index: tree-ssa-loop-im.c
===================================================================
RCS file: /cvs/gcc/gcc/gcc/tree-ssa-loop-im.c,v
retrieving revision 2.28
diff -u -d -p -r2.28 tree-ssa-loop-im.c
--- tree-ssa-loop-im.c 19 Feb 2005 09:25:59 -0000 2.28
+++ tree-ssa-loop-im.c 9 Mar 2005 07:29:48 -0000
@@ -398,14 +398,13 @@ add_dependency (tree def, struct lim_aux
static unsigned
stmt_cost (tree stmt)
{
- tree lhs, rhs;
+ tree rhs;
unsigned cost = 1;
/* Always try to create possibilities for unswitching. */
if (TREE_CODE (stmt) == COND_EXPR)
return LIM_EXPENSIVE;
- lhs = TREE_OPERAND (stmt, 0);
rhs = TREE_OPERAND (stmt, 1);
/* Hoisting memory references out should almost surely be a win. */