This allegedly fixes PR49344.
Bootstrapped and tested on x86_64-unknown-linux-gnu, applied.
Richard.
2011-06-10 Richard Guenther <rguent...@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. */
