[PATCH] Fix PR49344

[Richard Guenther]

This allegedly fixes PR49344.

Bootstrapped and tested on x86_64-unknown-linux-gnu, applied.

Richard.

2011-06-10  Richard Guenther  <rguenther@suse.de>

	PR bootstrap/49344
	* tree-ssa-math-opts.c (convert_mult_to_fma): Use
	FOR_EACH_PHI_OR_STMT_USE.

Index: gcc/tree-ssa-math-opts.c
===================================================================
--- gcc/tree-ssa-math-opts.c	(revision 174891)
+++ gcc/tree-ssa-math-opts.c	(working copy)
@@ -2174,7 +2174,7 @@ convert_mult_to_fma (gimple mul_stmt, tr
       if (use_code == NEGATE_EXPR)
 	{
 	  ssa_op_iter iter;
-	  tree use;
+	  use_operand_p usep;
 
 	  result = gimple_assign_lhs (use_stmt);
 
@@ -2185,8 +2185,8 @@ convert_mult_to_fma (gimple mul_stmt, tr
 	    return false;
 
 	  /* Make sure the multiplication isn't also used on that stmt.  */
-	  FOR_EACH_SSA_TREE_OPERAND (use, neguse_stmt, iter, SSA_OP_USE)
-	    if (use == mul_result)
+	  FOR_EACH_PHI_OR_STMT_USE (usep, neguse_stmt, iter, SSA_OP_USE)
+	    if (USE_FROM_PTR (usep) == mul_result)
 	      return false;
 
 	  /* Re-validate.  */