initialize backend opcode right after frontend opcodes

[r25379]

NEWS

-====== libFirm 1.16.0 (2008-12-11) ======
+====== libFirm 1.16.0 (XXXX) ======
 * bugfixes
 
 ====== libFirm 1.15.0 (2008-12-01) ======

ir/be/bemain.c

@@ -926,8 +926,6 @@ void be_main(FILE *file_handle, const char *cup_name)
 	/* never build code for pseudo irgs */
 	set_visit_pseudo_irgs(0);
 
- 	be_node_init();
-
 	be_main_loop(file_handle, cup_name);
 
 	if (be_options.timing == BE_TIME_ON) {

ir/be/benode.c

@@ -1599,14 +1599,8 @@ int is_be_node(const ir_node *irn)
 	return get_op_ops(get_irn_op(irn))->be_ops == &be_node_irn_ops;
 }
 
-void be_node_init(void) {
-	static int inited = 0;
-
-	if(inited)
-		return;
-
-	inited = 1;
-
+void be_init_op(void)
+{
 	/* Acquire all needed opcodes. */
 	op_be_Spill      = new_ir_op(beo_Spill,     "be_Spill",     op_pin_state_pinned, N,   oparity_unary,    0, sizeof(be_frame_attr_t),   &be_node_op_ops);
 	op_be_Reload     = new_ir_op(beo_Reload,    "be_Reload",    op_pin_state_pinned, N,   oparity_zero,     0, sizeof(be_frame_attr_t),   &be_node_op_ops);

ir/be/benode_t.h

@@ -80,7 +80,7 @@ int is_be_node(const ir_node *irn);
 /**
  * Create all BE specific opcodes.
  */
-void be_node_init(void);
+void be_init_op(void);
 
 /**
  * Position numbers for the be_Spill inputs.

ir/ir/irop.c

@@ -38,6 +38,8 @@
 
 #include "xmalloc.h"
 
+void be_init_op(void);
+
 /** the available next opcode */
 static unsigned next_iro = iro_MaxOpcode;
 
@@ -372,6 +374,9 @@ init_op(void)
 #undef E
 #undef NB
 #undef NI
+
+	/* initialize backend opcodes */
+	be_init_op();
 }  /* init_op */