/*
- * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
+ * Copyright (C) 1995-2011 University of Karlsruhe. All right reserved.
*
* This file is part of libFirm.
*
/**
* @file
* @author Matthias Braun
- * @version $Id$
*/
#include "config.h"
#include "irdump_t.h"
#include "error.h"
-static copy_attr_func old_phi_copy_attr;
+static copy_attr_func old_phi_copy_attr;
-void be_info_new_node(ir_node *node)
+void be_info_new_node(ir_graph *irg, ir_node *node)
{
struct obstack *obst;
backend_info_t *info;
- /* Projs need no be info, their tuple holds all information */
+ /* Projs need no be info, all info is fetched from their predecessor */
if (is_Proj(node))
return;
- obst = be_get_be_obst(current_ir_graph);
+ obst = be_get_be_obst(irg);
info = OALLOCZ(obst, backend_info_t);
assert(node->backend_info == NULL);
node->backend_info = info;
- /* Hack! We still have middle end nodes in the backend (which was probably
- a bad decision back then), which have no register constraints.
- Set some none_requirements here.
+ /*
+ * Set backend info for some middleend nodes which still appear in
+ * backend graphs
*/
- if (get_irn_mode(node) != mode_T
- && get_irn_opcode(node) <= iro_Last) {
+ switch (get_irn_opcode(node)) {
+ case iro_Block:
+ case iro_Dummy:
+ case iro_NoMem:
+ case iro_Anchor:
+ case iro_Pin:
+ case iro_Sync:
+ case iro_Bad:
+ case iro_End:
+ case iro_Unknown:
+ info->flags |= arch_irn_flags_not_scheduled;
info->out_infos = NEW_ARR_D(reg_out_info_t, obst, 1);
memset(info->out_infos, 0, 1 * sizeof(info->out_infos[0]));
info->out_infos[0].req = arch_no_register_req;
+ break;
+ case iro_Phi:
+ info->out_infos = NEW_ARR_D(reg_out_info_t, obst, 1);
+ memset(info->out_infos, 0, 1 * sizeof(info->out_infos[0]));
+ info->out_infos[0].req = arch_no_register_req;
+ break;
+ default:
+ break;
}
}
-static void new_Phi_copy_attr(ir_graph *irg, const ir_node *old_node,
+static void new_phi_copy_attr(ir_graph *irg, const ir_node *old_node,
ir_node *new_node)
{
backend_info_t *old_info = be_get_info(old_node);
old_phi_copy_attr(irg, old_node, new_node);
}
-int be_infos_equal(const backend_info_t *info1, const backend_info_t *info2)
+int be_nodes_equal(const ir_node *node1, const ir_node *node2)
{
- int len = ARR_LEN(info1->out_infos);
- int i;
+ const backend_info_t *info1 = be_get_info(node1);
+ const backend_info_t *info2 = be_get_info(node2);
+ size_t len = ARR_LEN(info1->out_infos);
+ int arity = get_irn_arity(node1);
+ int in;
+ size_t i;
if (ARR_LEN(info2->out_infos) != len)
return false;
+ assert(arity == get_irn_arity(node2));
+
+ for (in = 0; in < arity; ++in) {
+ if (info1->in_reqs[in] != info2->in_reqs[in])
+ return false;
+ }
+
for (i = 0; i < len; ++i) {
const reg_out_info_t *out1 = &info1->out_infos[i];
const reg_out_info_t *out2 = &info2->out_infos[i];
return true;
}
-int be_nodes_equal(const ir_node *node1, const ir_node *node2)
-{
- backend_info_t *info1 = be_get_info(node1);
- backend_info_t *info2 = be_get_info(node2);
- return be_infos_equal(info1, info2);
-}
-
static void init_walker(ir_node *node, void *data)
{
+ ir_graph *irg = get_irn_irg(node);
(void) data;
- be_info_new_node(node);
+ be_info_new_node(irg, node);
}
static bool initialized = false;
panic("double initialization of be_info");
old_phi_copy_attr = op_Phi->ops.copy_attr;
- op_Phi->ops.copy_attr = new_Phi_copy_attr;
+ op_Phi->ops.copy_attr = new_phi_copy_attr;
initialized = true;
/* phis have register and register requirements now which we want to dump */
/**
* Edge hook to dump the schedule edges.
*/
-static void sched_edge_hook(FILE *F, ir_node *irn)
+static void sched_edge_hook(FILE *F, const ir_node *irn)
{
if (is_Proj(irn))
return;
if (get_irn_irg(irn)->be_data == NULL)
return;
- if (sched_is_scheduled(irn) && sched_has_prev(irn)) {
+ if (sched_is_scheduled(irn) && sched_has_prev(irn) && !is_Block(irn)) {
ir_node *prev = sched_prev(irn);
- fprintf(F, "edge:{sourcename:\"");
- PRINT_NODEID(irn);
- fprintf(F, "\" targetname:\"");
- PRINT_NODEID(prev);
- fprintf(F, "\" color:magenta}\n");
+ fprintf(F, "edge:{sourcename: ");
+ print_nodeid(F, irn);
+ fprintf(F, " targetname: ");
+ print_nodeid(F, prev);
+ fprintf(F, " color:magenta}\n");
}
}
void be_info_free(void)
{
if (!initialized)
- panic("be_info_free called without prior init");
+ panic("called without prior init");
- assert(op_Phi->ops.copy_attr == new_Phi_copy_attr);
+ assert(op_Phi->ops.copy_attr == new_phi_copy_attr);
op_Phi->ops.copy_attr = old_phi_copy_attr;
initialized = false;