In tree-ssa-operands.c in get_expr_operands we have two identical cases, for SSA_NAME and {VAR,PARM,RESULT}_DECL. If that isn't intentional (maybe it's clearer to split _*NAME and *_DECL--the compiler will merge them anyway), we can merge those two cases. Regtested/bootstrapped on x86_64.
2012-09-20 Marek Polacek <pola...@redhat.com> * tree-ssa-operands.c (get_expr_operands): Merge identical cases. --- gcc/tree-ssa-operands.c.mp 2012-09-20 11:22:40.364588965 +0200 +++ gcc/tree-ssa-operands.c 2012-09-20 11:29:40.178904905 +0200 @@ -1,5 +1,6 @@ /* SSA operands management for trees. Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 + 2011, 2012 Free Software Foundation, Inc. This file is part of GCC. @@ -841,9 +842,6 @@ get_expr_operands (gimple stmt, tree *ex return; case SSA_NAME: - add_stmt_operand (expr_p, stmt, flags); - return; - case VAR_DECL: case PARM_DECL: case RESULT_DECL: Marek