/*
- * 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.
*
* Backend node support for generic backend nodes.
* This file provides Perm, Copy, Spill and Reload nodes.
*/
-#ifdef HAVE_CONFIG_H
#include "config.h"
-#endif
#include <stdlib.h>
#include "util.h"
#include "debug.h"
#include "fourcc.h"
-#include "offset.h"
#include "bitfiddle.h"
#include "raw_bitset.h"
+#include "error.h"
+#include "array_t.h"
#include "irop_t.h"
#include "irmode_t.h"
#include "be_t.h"
#include "belive_t.h"
-#include "besched_t.h"
-#include "benode_t.h"
-#include "bearch_t.h"
+#include "besched.h"
+#include "benode.h"
+#include "bearch.h"
#include "beirgmod.h"
-#define OUT_POS(x) (-((x) + 1))
-
-#define get_irn_attr(irn) get_irn_generic_attr(irn)
-#define get_irn_attr_const(irn) get_irn_generic_attr_const(irn)
-
-static unsigned be_node_tag = FOURCC('B', 'E', 'N', 'O');
-
-typedef struct {
- arch_register_req_t req;
- arch_irn_flags_t flags;
-} be_req_t;
-
-typedef struct {
- const arch_register_t *reg;
- be_req_t req;
- be_req_t in_req;
-} be_reg_data_t;
-
-/** The generic be nodes attribute type. */
-typedef struct {
- be_reg_data_t *reg_data;
+typedef struct be_node_attr_t {
+ except_attr exc;
} be_node_attr_t;
/** The be_Return nodes attribute type. */
typedef struct {
- be_node_attr_t node_attr; /**< base attributes of every be node. */
- int num_ret_vals; /**< number of return values */
- unsigned pop; /**< number of bytes that should be popped */
- int emit_pop; /**< if set, emit pop bytes, even if pop = 0 */
+ be_node_attr_t base;
+ int num_ret_vals; /**< number of return values */
+ unsigned pop; /**< number of bytes that should be popped */
+ int emit_pop; /**< if set, emit pop bytes, even if pop = 0 */
} be_return_attr_t;
/** The be_IncSP attribute type. */
typedef struct {
- be_node_attr_t node_attr; /**< base attributes of every be node. */
- int offset; /**< The offset by which the stack shall be expanded/shrinked. */
- int align; /**< whether stack should be aligned after the
- IncSP */
+ be_node_attr_t base;
+ int offset; /**< The offset by which the stack shall be
+ expanded/shrinked. */
+ int align; /**< whether stack should be aligned after the
+ IncSP */
} be_incsp_attr_t;
/** The be_Frame attribute type. */
typedef struct {
- be_node_attr_t node_attr; /**< base attributes of every be node. */
+ be_node_attr_t base;
ir_entity *ent;
int offset;
} be_frame_attr_t;
/** The be_Call attribute type. */
typedef struct {
- be_node_attr_t node_attr; /**< base attributes of every be node. */
- ir_entity *ent; /**< The called entity if this is a static call. */
+ be_node_attr_t base;
+ ir_entity *ent; /**< called entity if this is a static call. */
unsigned pop;
- ir_type *call_tp; /**< The call type, copied from the original Call node. */
+ ir_type *call_tp; /**< call type, copied from the original Call */
} be_call_attr_t;
typedef struct {
- be_node_attr_t node_attr; /**< base attributes of every be node. */
- ir_entity **in_entities;
- ir_entity **out_entities;
+ be_node_attr_t base;
+ ir_entity **in_entities;
+ ir_entity **out_entities;
} be_memperm_attr_t;
ir_op *op_be_Spill;
ir_op *op_be_IncSP;
ir_op *op_be_AddSP;
ir_op *op_be_SubSP;
-ir_op *op_be_RegParams;
+ir_op *op_be_Start;
ir_op *op_be_FrameAddr;
-ir_op *op_be_Barrier;
-ir_op *op_be_Unwind;
-
-static const ir_op_ops be_node_op_ops;
-
-#define N irop_flag_none
-#define L irop_flag_labeled
-#define C irop_flag_commutative
-#define X irop_flag_cfopcode
-#define I irop_flag_ip_cfopcode
-#define F irop_flag_fragile
-#define Y irop_flag_forking
-#define H irop_flag_highlevel
-#define c irop_flag_constlike
-#define K irop_flag_keep
-#define M irop_flag_uses_memory
-
-static int be_reqs_equal(const be_req_t *req1, const be_req_t *req2)
-{
- if(!reg_reqs_equal(&req1->req, &req2->req))
- return 0;
- if(req1->flags != req2->flags)
- return 0;
-
- return 1;
-}
-
-/**
- * Compare two be node attributes.
- *
- * @return zero if both attributes are identically
- */
-static int _node_cmp_attr(const be_node_attr_t *a, const be_node_attr_t *b) {
- int i, len;
-
- if (ARR_LEN(a->reg_data) != ARR_LEN(b->reg_data))
- return 1;
-
- len = ARR_LEN(a->reg_data);
- for (i = 0; i < len; ++i) {
- if (a->reg_data[i].reg != b->reg_data[i].reg ||
- !be_reqs_equal(&a->reg_data[i].in_req, &b->reg_data[i].in_req) ||
- !be_reqs_equal(&a->reg_data[i].req, &b->reg_data[i].req))
- return 1;
- }
-
- return 0;
-}
-
-/**
- * Compare the node attributes of two be_node's.
- *
- * @return zero if both nodes have identically attributes
- */
-static int node_cmp_attr(ir_node *a, ir_node *b) {
- const be_node_attr_t *a_attr = get_irn_attr_const(a);
- const be_node_attr_t *b_attr = get_irn_attr_const(b);
-
- return _node_cmp_attr(a_attr, b_attr);
-}
/**
* Compare the attributes of two be_FrameAddr nodes.
*
* @return zero if both nodes have identically attributes
*/
-static int FrameAddr_cmp_attr(ir_node *a, ir_node *b) {
- const be_frame_attr_t *a_attr = get_irn_attr_const(a);
- const be_frame_attr_t *b_attr = get_irn_attr_const(b);
+static int FrameAddr_cmp_attr(const ir_node *a, const ir_node *b)
+{
+ const be_frame_attr_t *a_attr = (const be_frame_attr_t*)get_irn_generic_attr_const(a);
+ const be_frame_attr_t *b_attr = (const be_frame_attr_t*)get_irn_generic_attr_const(b);
if (a_attr->ent != b_attr->ent || a_attr->offset != b_attr->offset)
return 1;
- return _node_cmp_attr(&a_attr->node_attr, &b_attr->node_attr);
+ return be_nodes_equal(a, b);
}
/**
*
* @return zero if both nodes have identically attributes
*/
-static int Return_cmp_attr(ir_node *a, ir_node *b) {
- const be_return_attr_t *a_attr = get_irn_attr_const(a);
- const be_return_attr_t *b_attr = get_irn_attr_const(b);
+static int Return_cmp_attr(const ir_node *a, const ir_node *b)
+{
+ const be_return_attr_t *a_attr = (const be_return_attr_t*)get_irn_generic_attr_const(a);
+ const be_return_attr_t *b_attr = (const be_return_attr_t*)get_irn_generic_attr_const(b);
if (a_attr->num_ret_vals != b_attr->num_ret_vals)
return 1;
if (a_attr->emit_pop != b_attr->emit_pop)
return 1;
- return _node_cmp_attr(&a_attr->node_attr, &b_attr->node_attr);
+ return be_nodes_equal(a, b);
}
/**
*
* @return zero if both nodes have identically attributes
*/
-static int IncSP_cmp_attr(ir_node *a, ir_node *b) {
- const be_incsp_attr_t *a_attr = get_irn_attr_const(a);
- const be_incsp_attr_t *b_attr = get_irn_attr_const(b);
+static int IncSP_cmp_attr(const ir_node *a, const ir_node *b)
+{
+ const be_incsp_attr_t *a_attr = (const be_incsp_attr_t*)get_irn_generic_attr_const(a);
+ const be_incsp_attr_t *b_attr = (const be_incsp_attr_t*)get_irn_generic_attr_const(b);
if (a_attr->offset != b_attr->offset)
return 1;
- return _node_cmp_attr(&a_attr->node_attr, &b_attr->node_attr);
+ return be_nodes_equal(a, b);
}
/**
*
* @return zero if both nodes have identically attributes
*/
-static int Call_cmp_attr(ir_node *a, ir_node *b) {
- const be_call_attr_t *a_attr = get_irn_attr_const(a);
- const be_call_attr_t *b_attr = get_irn_attr_const(b);
+static int Call_cmp_attr(const ir_node *a, const ir_node *b)
+{
+ const be_call_attr_t *a_attr = (const be_call_attr_t*)get_irn_generic_attr_const(a);
+ const be_call_attr_t *b_attr = (const be_call_attr_t*)get_irn_generic_attr_const(b);
if (a_attr->ent != b_attr->ent ||
- a_attr->call_tp != b_attr->call_tp)
+ a_attr->call_tp != b_attr->call_tp)
return 1;
- return _node_cmp_attr(&a_attr->node_attr, &b_attr->node_attr);
+ return be_nodes_equal(a, b);
}
-static INLINE be_req_t *get_be_req(const ir_node *node, int pos)
+static arch_register_req_t *allocate_reg_req(const ir_node *node)
{
- int idx;
- const be_node_attr_t *attr;
- be_reg_data_t *rd;
-
- assert(is_be_node(node));
- attr = get_irn_attr_const(node);
-
- if(pos < 0) {
- idx = -(pos + 1);
- } else {
- idx = pos;
- assert(idx < get_irn_arity(node));
- }
- assert(idx < ARR_LEN(attr->reg_data));
- rd = &attr->reg_data[idx];
+ ir_graph *irg = get_irn_irg(node);
+ struct obstack *obst = be_get_be_obst(irg);
- return pos < 0 ? &rd->req : &rd->in_req;
+ arch_register_req_t *req = OALLOCZ(obst, arch_register_req_t);
+ return req;
}
-static INLINE arch_register_req_t *get_req(const ir_node *node, int pos)
+void be_set_constr_in(ir_node *node, int pos, const arch_register_req_t *req)
{
- be_req_t *bereq = get_be_req(node, pos);
- return &bereq->req;
+ backend_info_t *info = be_get_info(node);
+ assert(pos < get_irn_arity(node));
+ info->in_reqs[pos] = req;
}
-void be_node_init(void) {
- static int inited = 0;
-
- if(inited)
- return;
-
- inited = 1;
-
- /* 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);
- op_be_Perm = new_ir_op(beo_Perm, "be_Perm", op_pin_state_pinned, N, oparity_variable, 0, sizeof(be_node_attr_t), &be_node_op_ops);
- op_be_MemPerm = new_ir_op(beo_MemPerm, "be_MemPerm", op_pin_state_pinned, N, oparity_variable, 0, sizeof(be_memperm_attr_t), &be_node_op_ops);
- op_be_Copy = new_ir_op(beo_Copy, "be_Copy", op_pin_state_floats, N, oparity_unary, 0, sizeof(be_node_attr_t), &be_node_op_ops);
- op_be_Keep = new_ir_op(beo_Keep, "be_Keep", op_pin_state_pinned, K, oparity_dynamic, 0, sizeof(be_node_attr_t), &be_node_op_ops);
- op_be_CopyKeep = new_ir_op(beo_CopyKeep, "be_CopyKeep", op_pin_state_pinned, K, oparity_variable, 0, sizeof(be_node_attr_t), &be_node_op_ops);
- op_be_Call = new_ir_op(beo_Call, "be_Call", op_pin_state_pinned, F|M, oparity_variable, 0, sizeof(be_call_attr_t), &be_node_op_ops);
- op_be_Return = new_ir_op(beo_Return, "be_Return", op_pin_state_pinned, X, oparity_dynamic, 0, sizeof(be_return_attr_t), &be_node_op_ops);
- op_be_AddSP = new_ir_op(beo_AddSP, "be_AddSP", op_pin_state_pinned, N, oparity_unary, 0, sizeof(be_node_attr_t), &be_node_op_ops);
- op_be_SubSP = new_ir_op(beo_SubSP, "be_SubSP", op_pin_state_pinned, N, oparity_unary, 0, sizeof(be_node_attr_t), &be_node_op_ops);
- op_be_IncSP = new_ir_op(beo_IncSP, "be_IncSP", op_pin_state_pinned, N, oparity_unary, 0, sizeof(be_incsp_attr_t), &be_node_op_ops);
- op_be_RegParams = new_ir_op(beo_RegParams, "be_RegParams", op_pin_state_pinned, N, oparity_zero, 0, sizeof(be_node_attr_t), &be_node_op_ops);
- op_be_FrameAddr = new_ir_op(beo_FrameAddr, "be_FrameAddr", op_pin_state_floats, N, oparity_unary, 0, sizeof(be_frame_attr_t), &be_node_op_ops);
- op_be_Barrier = new_ir_op(beo_Barrier, "be_Barrier", op_pin_state_pinned, N, oparity_dynamic, 0, sizeof(be_node_attr_t), &be_node_op_ops);
- op_be_Unwind = new_ir_op(beo_Unwind, "be_Unwind", op_pin_state_pinned, X, oparity_zero, 0, sizeof(be_node_attr_t), &be_node_op_ops);
-
- set_op_tag(op_be_Spill, &be_node_tag);
- op_be_Spill->ops.node_cmp_attr = FrameAddr_cmp_attr;
- set_op_tag(op_be_Reload, &be_node_tag);
- op_be_Reload->ops.node_cmp_attr = FrameAddr_cmp_attr;
- set_op_tag(op_be_Perm, &be_node_tag);
- op_be_Perm->ops.node_cmp_attr = node_cmp_attr;
- set_op_tag(op_be_MemPerm, &be_node_tag);
- op_be_MemPerm->ops.node_cmp_attr = node_cmp_attr;
- set_op_tag(op_be_Copy, &be_node_tag);
- op_be_Copy->ops.node_cmp_attr = node_cmp_attr;
- set_op_tag(op_be_Keep, &be_node_tag);
- op_be_Keep->ops.node_cmp_attr = node_cmp_attr;
- set_op_tag(op_be_CopyKeep, &be_node_tag);
- op_be_CopyKeep->ops.node_cmp_attr = node_cmp_attr;
- set_op_tag(op_be_Call, &be_node_tag);
- op_be_Call->ops.node_cmp_attr = Call_cmp_attr;
- set_op_tag(op_be_Return, &be_node_tag);
- op_be_Return->ops.node_cmp_attr = Return_cmp_attr;
- set_op_tag(op_be_AddSP, &be_node_tag);
- op_be_AddSP->ops.node_cmp_attr = node_cmp_attr;
- set_op_tag(op_be_SubSP, &be_node_tag);
- op_be_SubSP->ops.node_cmp_attr = node_cmp_attr;
- set_op_tag(op_be_IncSP, &be_node_tag);
- op_be_IncSP->ops.node_cmp_attr = IncSP_cmp_attr;
- set_op_tag(op_be_RegParams, &be_node_tag);
- op_be_RegParams->ops.node_cmp_attr = node_cmp_attr;
- set_op_tag(op_be_FrameAddr, &be_node_tag);
- op_be_FrameAddr->ops.node_cmp_attr = FrameAddr_cmp_attr;
- set_op_tag(op_be_Barrier, &be_node_tag);
- op_be_Barrier->ops.node_cmp_attr = node_cmp_attr;
- set_op_tag(op_be_Unwind, &be_node_tag);
- op_be_Unwind->ops.node_cmp_attr = node_cmp_attr;
+void be_set_constr_out(ir_node *node, int pos, const arch_register_req_t *req)
+{
+ backend_info_t *info = be_get_info(node);
+ info->out_infos[pos].req = req;
}
/**
- * Initializes the generic attribute of all be nodes and return ir.
+ * Initializes the generic attribute of all be nodes and return it.
*/
-static void *init_node_attr(ir_node *node, int max_reg_data)
-{
- ir_graph *irg = get_irn_irg(node);
- struct obstack *obst = get_irg_obstack(irg);
- be_node_attr_t *a = get_irn_attr(node);
-
- memset(a, 0, sizeof(get_op_attr_size(get_irn_op(node))));
-
- if(max_reg_data >= 0) {
- a->reg_data = NEW_ARR_D(be_reg_data_t, obst, max_reg_data);
- memset(a->reg_data, 0, max_reg_data * sizeof(a->reg_data[0]));
+static void init_node_attr(ir_node *node, int n_inputs, int n_outputs)
+{
+ ir_graph *irg = get_irn_irg(node);
+ struct obstack *obst = be_get_be_obst(irg);
+ backend_info_t *info = be_get_info(node);
+ const arch_register_req_t **in_reqs;
+
+ if (n_inputs >= 0) {
+ int i;
+ assert(n_inputs == get_irn_arity(node));
+ in_reqs = OALLOCN(obst, const arch_register_req_t*, n_inputs);
+ for (i = 0; i < n_inputs; ++i) {
+ in_reqs[i] = arch_no_register_req;
+ }
} else {
- a->reg_data = NEW_ARR_F(be_reg_data_t, 0);
+ in_reqs = NEW_ARR_F(const arch_register_req_t*, 0);
}
-
- return a;
-}
-
-static void add_register_req(ir_node *node)
-{
- be_node_attr_t *a = get_irn_attr(node);
- be_reg_data_t regreq;
- memset(®req, 0, sizeof(regreq));
- ARR_APP1(be_reg_data_t, a->reg_data, regreq);
-}
-
-int is_be_node(const ir_node *irn)
-{
- return get_op_tag(get_irn_op(irn)) == &be_node_tag;
-}
-
-/**
- * Skip Proj nodes and return their Proj numbers.
- *
- * If *node is a Proj or Proj(Proj) node, skip it.
- *
- * @param node points to the node to be skipped
- *
- * @return 0 if *node was no Proj node, its Proj number else.
- */
-static int redir_proj(const ir_node **node)
-{
- const ir_node *n = *node;
-
- if(is_Proj(n)) {
- ir_node *irn;
-
- *node = irn = get_Proj_pred(n);
- if(is_Proj(irn)) {
- assert(get_irn_mode(irn) == mode_T);
- *node = get_Proj_pred(irn);
+ info->in_reqs = in_reqs;
+
+ if (n_outputs >= 0) {
+ int i;
+ info->out_infos = NEW_ARR_D(reg_out_info_t, obst, n_outputs);
+ memset(info->out_infos, 0, n_outputs * sizeof(info->out_infos[0]));
+ for (i = 0; i < n_outputs; ++i) {
+ info->out_infos[i].req = arch_no_register_req;
}
- return get_Proj_proj(n);
+ } else {
+ info->out_infos = NEW_ARR_F(reg_out_info_t, 0);
}
-
- return 0;
}
-static be_reg_data_t *retrieve_reg_data(const ir_node *node)
+static void add_register_req_out(ir_node *node)
{
- const be_node_attr_t *attr;
- int pos = 0;
-
- if(is_Proj(node)) {
- pos = get_Proj_proj(node);
- node = get_Proj_pred(node);
- }
-
- assert(is_be_node(node));
- attr = get_irn_attr_const(node);
- assert(pos >= 0 && pos < ARR_LEN(attr->reg_data) && "illegal proj number");
-
- return &attr->reg_data[pos];
+ backend_info_t *info = be_get_info(node);
+ reg_out_info_t out_info;
+ memset(&out_info, 0, sizeof(out_info));
+ out_info.req = arch_no_register_req;
+ ARR_APP1(reg_out_info_t, info->out_infos, out_info);
}
-static void
-be_node_set_irn_reg(const void *self, ir_node *irn, const arch_register_t *reg)
+static void add_register_req_in(ir_node *node)
{
- be_reg_data_t *r = retrieve_reg_data(irn);
- (void) self;
- r->reg = reg;
+ backend_info_t *info = be_get_info(node);
+ ARR_APP1(const arch_register_req_t*, info->in_reqs, arch_no_register_req);
}
-ir_node *be_new_Spill(const arch_register_class_t *cls, const arch_register_class_t *cls_frame,
- ir_graph *irg, ir_node *bl, ir_node *frame, ir_node *to_spill)
+ir_node *be_new_Spill(const arch_register_class_t *cls,
+ const arch_register_class_t *cls_frame, ir_node *bl,
+ ir_node *frame, ir_node *to_spill)
{
be_frame_attr_t *a;
ir_node *in[2];
ir_node *res;
+ ir_graph *irg = get_Block_irg(bl);
in[0] = frame;
in[1] = to_spill;
res = new_ir_node(NULL, irg, bl, op_be_Spill, mode_M, 2, in);
- a = init_node_attr(res, 2);
+ init_node_attr(res, 2, 1);
+ a = (be_frame_attr_t*) get_irn_generic_attr(res);
a->ent = NULL;
a->offset = 0;
+ a->base.exc.pin_state = op_pin_state_pinned;
+
+ be_node_set_reg_class_in(res, n_be_Spill_frame, cls_frame);
+ be_node_set_reg_class_in(res, n_be_Spill_val, cls);
+ /*
+ * For spills and reloads, we return "none" as requirement for frame
+ * pointer, so every input is ok. Some backends need this (STA).
+ * Matze: we should investigate if this is really needed, this solution
+ * looks very hacky to me
+ */
+ be_set_constr_in(res, n_be_Spill_frame, arch_no_register_req);
+
+ arch_set_out_register_req(res, 0, arch_no_register_req);
- be_node_set_reg_class(res, be_pos_Spill_frame, cls_frame);
- be_node_set_reg_class(res, be_pos_Spill_val, cls);
return res;
}
-ir_node *be_new_Reload(const arch_register_class_t *cls, const arch_register_class_t *cls_frame,
- ir_graph *irg, ir_node *bl, ir_node *frame, ir_node *mem, ir_mode *mode)
+ir_node *be_new_Reload(const arch_register_class_t *cls,
+ const arch_register_class_t *cls_frame, ir_node *block,
+ ir_node *frame, ir_node *mem, ir_mode *mode)
{
- ir_node *in[2];
- ir_node *res;
+ ir_node *in[2];
+ ir_node *res;
+ ir_graph *irg = get_Block_irg(block);
+ be_frame_attr_t *a;
in[0] = frame;
in[1] = mem;
- res = new_ir_node(NULL, irg, bl, op_be_Reload, mode, 2, in);
+ res = new_ir_node(NULL, irg, block, op_be_Reload, mode, 2, in);
+
+ init_node_attr(res, 2, 1);
+ be_node_set_reg_class_out(res, 0, cls);
+
+ be_node_set_reg_class_in(res, n_be_Reload_frame, cls_frame);
+ arch_irn_set_flags(res, arch_irn_flags_rematerializable);
+
+ a = (be_frame_attr_t*) get_irn_generic_attr(res);
+ a->ent = NULL;
+ a->offset = 0;
+ a->base.exc.pin_state = op_pin_state_pinned;
+
+ /*
+ * For spills and reloads, we return "none" as requirement for frame
+ * pointer, so every input is ok. Some backends need this (e.g. STA).
+ * Matze: we should investigate if this is really needed, this solution
+ * looks very hacky to me
+ */
+ be_set_constr_in(res, n_be_Reload_frame, arch_no_register_req);
- init_node_attr(res, 2);
- be_node_set_reg_class(res, -1, cls);
- be_node_set_reg_class(res, be_pos_Reload_frame, cls_frame);
- be_node_set_flags(res, -1, arch_irn_flags_rematerializable);
return res;
}
ir_node *be_get_Reload_mem(const ir_node *irn)
{
assert(be_is_Reload(irn));
- return get_irn_n(irn, be_pos_Reload_mem);
+ return get_irn_n(irn, n_be_Reload_mem);
}
ir_node *be_get_Reload_frame(const ir_node *irn)
{
assert(be_is_Reload(irn));
- return get_irn_n(irn, be_pos_Reload_frame);
+ return get_irn_n(irn, n_be_Reload_frame);
}
ir_node *be_get_Spill_val(const ir_node *irn)
{
assert(be_is_Spill(irn));
- return get_irn_n(irn, be_pos_Spill_val);
+ return get_irn_n(irn, n_be_Spill_val);
}
ir_node *be_get_Spill_frame(const ir_node *irn)
{
assert(be_is_Spill(irn));
- return get_irn_n(irn, be_pos_Spill_frame);
+ return get_irn_n(irn, n_be_Spill_frame);
}
-ir_node *be_new_Perm(const arch_register_class_t *cls, ir_graph *irg, ir_node *bl, int n, ir_node *in[])
+ir_node *be_new_Perm(const arch_register_class_t *cls, ir_node *block,
+ int n, ir_node *in[])
{
- int i;
- ir_node *irn = new_ir_node(NULL, irg, bl, op_be_Perm, mode_T, n, in);
- init_node_attr(irn, n);
- for(i = 0; i < n; ++i) {
- be_node_set_reg_class(irn, i, cls);
- be_node_set_reg_class(irn, OUT_POS(i), cls);
+ int i;
+ ir_graph *irg = get_Block_irg(block);
+ be_node_attr_t *attr;
+
+ ir_node *irn = new_ir_node(NULL, irg, block, op_be_Perm, mode_T, n, in);
+ init_node_attr(irn, n, n);
+ attr = (be_node_attr_t*) get_irn_generic_attr(irn);
+ attr->exc.pin_state = op_pin_state_pinned;
+ for (i = 0; i < n; ++i) {
+ be_node_set_reg_class_in(irn, i, cls);
+ be_node_set_reg_class_out(irn, i, cls);
}
return irn;
void be_Perm_reduce(ir_node *perm, int new_size, int *map)
{
- ir_graph *irg = get_irn_irg(perm);
- int arity = get_irn_arity(perm);
- be_reg_data_t *old_data = alloca(arity * sizeof(old_data[0]));
- be_node_attr_t *attr = get_irn_attr(perm);
- ir_node **new_in = NEW_ARR_D(ir_node *, irg->obst, new_size);
-
- int i;
+ int arity = get_irn_arity(perm);
+ const arch_register_req_t **old_in_reqs
+ = ALLOCAN(const arch_register_req_t*, arity);
+ reg_out_info_t *old_infos = ALLOCAN(reg_out_info_t, arity);
+ backend_info_t *info = be_get_info(perm);
+ ir_node **new_in;
+ int i;
assert(be_is_Perm(perm));
assert(new_size <= arity);
+ new_in = ALLOCAN(ir_node*, new_size);
+
/* save the old register data */
- memcpy(old_data, attr->reg_data, arity * sizeof(old_data[0]));
+ memcpy(old_in_reqs, info->in_reqs, arity * sizeof(old_in_reqs[0]));
+ memcpy(old_infos, info->out_infos, arity * sizeof(old_infos[0]));
- /* compose the new in array and set the new register data directly in place */
+ /* compose the new in array and set the new register data directly */
for (i = 0; i < new_size; ++i) {
int idx = map[i];
- new_in[i] = get_irn_n(perm, idx);
- attr->reg_data[i] = old_data[idx];
+ new_in[i] = get_irn_n(perm, idx);
+ info->in_reqs[i] = old_in_reqs[idx];
+ info->out_infos[i] = old_infos[idx];
}
set_irn_in(perm, new_size, new_in);
}
-ir_node *be_new_MemPerm(const arch_env_t *arch_env, ir_graph *irg, ir_node *bl, int n, ir_node *in[])
+ir_node *be_new_MemPerm(ir_node *block, int n, ir_node *in[])
{
- int i;
- ir_node *frame = get_irg_frame(irg);
- const arch_register_class_t *cls_frame = arch_get_irn_reg_class(arch_env, frame, -1);
- ir_node *irn;
- const arch_register_t *sp = arch_env->isa->sp;
- be_memperm_attr_t *attr;
- ir_node **real_in;
+ ir_graph *irg = get_Block_irg(block);
+ const arch_env_t *arch_env = be_get_irg_arch_env(irg);
+ ir_node *frame = get_irg_frame(irg);
+ const arch_register_t *sp = arch_env->sp;
+ ir_node *irn;
+ be_memperm_attr_t *attr;
+ ir_node **real_in;
- real_in = alloca((n+1) * sizeof(real_in[0]));
+ real_in = ALLOCAN(ir_node*, n + 1);
real_in[0] = frame;
memcpy(&real_in[1], in, n * sizeof(real_in[0]));
- irn = new_ir_node(NULL, irg, bl, op_be_MemPerm, mode_T, n+1, real_in);
-
- init_node_attr(irn, n + 1);
- be_node_set_reg_class(irn, 0, sp->reg_class);
- for (i = 0; i < n; ++i) {
- be_node_set_reg_class(irn, i + 1, cls_frame);
- be_node_set_reg_class(irn, OUT_POS(i), cls_frame);
- }
+ irn = new_ir_node(NULL, irg, block, op_be_MemPerm, mode_T, n+1, real_in);
- attr = get_irn_attr(irn);
+ init_node_attr(irn, n + 1, n);
+ be_node_set_reg_class_in(irn, 0, sp->reg_class);
- attr->in_entities = obstack_alloc(irg->obst, n * sizeof(attr->in_entities[0]));
- memset(attr->in_entities, 0, n * sizeof(attr->in_entities[0]));
- attr->out_entities = obstack_alloc(irg->obst, n*sizeof(attr->out_entities[0]));
- memset(attr->out_entities, 0, n*sizeof(attr->out_entities[0]));
+ attr = (be_memperm_attr_t*)get_irn_generic_attr(irn);
+ attr->in_entities = OALLOCNZ(irg->obst, ir_entity*, n);
+ attr->out_entities = OALLOCNZ(irg->obst, ir_entity*, n);
return irn;
}
-
-ir_node *be_new_Copy(const arch_register_class_t *cls, ir_graph *irg, ir_node *bl, ir_node *op)
+ir_node *be_new_Copy(const arch_register_class_t *cls, ir_node *bl, ir_node *op)
{
ir_node *in[1];
ir_node *res;
arch_register_req_t *req;
+ be_node_attr_t *attr;
+ ir_graph *irg = get_Block_irg(bl);
in[0] = op;
res = new_ir_node(NULL, irg, bl, op_be_Copy, get_irn_mode(op), 1, in);
- init_node_attr(res, 1);
- be_node_set_reg_class(res, 0, cls);
- be_node_set_reg_class(res, OUT_POS(0), cls);
-
- req = get_req(res, OUT_POS(0));
- req->cls = cls;
- req->type = arch_register_req_type_should_be_same;
+ init_node_attr(res, 1, 1);
+ attr = (be_node_attr_t*) get_irn_generic_attr(res);
+ attr->exc.pin_state = op_pin_state_floats;
+ be_node_set_reg_class_in(res, 0, cls);
+ be_node_set_reg_class_out(res, 0, cls);
+
+ req = allocate_reg_req(res);
+ req->cls = cls;
+ req->type = arch_register_req_type_should_be_same;
req->other_same = 1U << 0;
+ req->width = 1;
+ be_set_constr_out(res, 0, req);
return res;
}
-ir_node *be_get_Copy_op(const ir_node *cpy) {
- return get_irn_n(cpy, be_pos_Copy_op);
+ir_node *be_get_Copy_op(const ir_node *cpy)
+{
+ return get_irn_n(cpy, n_be_Copy_op);
}
-void be_set_Copy_op(ir_node *cpy, ir_node *op) {
- set_irn_n(cpy, be_pos_Copy_op, op);
+void be_set_Copy_op(ir_node *cpy, ir_node *op)
+{
+ set_irn_n(cpy, n_be_Copy_op, op);
}
-ir_node *be_new_Keep(const arch_register_class_t *cls, ir_graph *irg, ir_node *bl, int n, ir_node *in[])
+ir_node *be_new_Keep(ir_node *block, int n, ir_node *in[])
{
int i;
ir_node *res;
+ ir_graph *irg = get_Block_irg(block);
+ be_node_attr_t *attr;
- res = new_ir_node(NULL, irg, bl, op_be_Keep, mode_ANY, -1, NULL);
- init_node_attr(res, -1);
+ res = new_ir_node(NULL, irg, block, op_be_Keep, mode_ANY, -1, NULL);
+ init_node_attr(res, -1, 1);
+ attr = (be_node_attr_t*) get_irn_generic_attr(res);
+ attr->exc.pin_state = op_pin_state_pinned;
- for(i = 0; i < n; ++i) {
+ for (i = 0; i < n; ++i) {
add_irn_n(res, in[i]);
- add_register_req(res);
- be_node_set_reg_class(res, i, cls);
+ add_register_req_in(res);
}
keep_alive(res);
assert(be_is_Keep(keep));
n = add_irn_n(keep, node);
- add_register_req(keep);
- be_node_set_reg_class(keep, n, cls);
+ add_register_req_in(keep);
+ be_node_set_reg_class_in(keep, n, cls);
}
-/* creates a be_Call */
-ir_node *be_new_Call(dbg_info *dbg, ir_graph *irg, ir_node *bl, ir_node *mem, ir_node *sp, ir_node *ptr,
- int n_outs, int n, ir_node *in[], ir_type *call_tp)
+ir_node *be_new_Call(dbg_info *dbg, ir_graph *irg, ir_node *bl, ir_node *mem,
+ ir_node *sp, ir_node *ptr, int n_outs, int n, ir_node *in[],
+ ir_type *call_tp)
{
be_call_attr_t *a;
- int real_n = be_pos_Call_first_arg + n;
+ int real_n = n_be_Call_first_arg + n;
ir_node *irn;
ir_node **real_in;
NEW_ARR_A(ir_node *, real_in, real_n);
- real_in[be_pos_Call_mem] = mem;
- real_in[be_pos_Call_sp] = sp;
- real_in[be_pos_Call_ptr] = ptr;
- memcpy(&real_in[be_pos_Call_first_arg], in, n * sizeof(in[0]));
+ real_in[n_be_Call_mem] = mem;
+ real_in[n_be_Call_sp] = sp;
+ real_in[n_be_Call_ptr] = ptr;
+ memcpy(&real_in[n_be_Call_first_arg], in, n * sizeof(in[0]));
irn = new_ir_node(dbg, irg, bl, op_be_Call, mode_T, real_n, real_in);
- a = init_node_attr(irn, (n_outs > real_n ? n_outs : real_n));
- a->ent = NULL;
- a->call_tp = call_tp;
- a->pop = 0;
+ init_node_attr(irn, real_n, n_outs);
+ a = (be_call_attr_t*)get_irn_generic_attr(irn);
+ a->ent = NULL;
+ a->call_tp = call_tp;
+ a->pop = 0;
+ a->base.exc.pin_state = op_pin_state_pinned;
return irn;
}
-/* Gets the call entity or NULL if this is no static call. */
-ir_entity *be_Call_get_entity(const ir_node *call) {
- const be_call_attr_t *a = get_irn_attr_const(call);
+ir_entity *be_Call_get_entity(const ir_node *call)
+{
+ const be_call_attr_t *a = (const be_call_attr_t*)get_irn_generic_attr_const(call);
assert(be_is_Call(call));
return a->ent;
}
-/* Sets the call entity. */
-void be_Call_set_entity(ir_node *call, ir_entity *ent) {
- be_call_attr_t *a = get_irn_attr(call);
+void be_Call_set_entity(ir_node *call, ir_entity *ent)
+{
+ be_call_attr_t *a = (be_call_attr_t*)get_irn_generic_attr(call);
assert(be_is_Call(call));
a->ent = ent;
}
-/* Gets the call type. */
-ir_type *be_Call_get_type(ir_node *call) {
- const be_call_attr_t *a = get_irn_attr_const(call);
+ir_type *be_Call_get_type(ir_node *call)
+{
+ const be_call_attr_t *a = (const be_call_attr_t*)get_irn_generic_attr_const(call);
assert(be_is_Call(call));
return a->call_tp;
}
-/* Sets the call type. */
-void be_Call_set_type(ir_node *call, ir_type *call_tp) {
- be_call_attr_t *a = get_irn_attr(call);
+void be_Call_set_type(ir_node *call, ir_type *call_tp)
+{
+ be_call_attr_t *a = (be_call_attr_t*)get_irn_generic_attr(call);
assert(be_is_Call(call));
a->call_tp = call_tp;
}
-void be_Call_set_pop(ir_node *call, unsigned pop) {
- be_call_attr_t *a = get_irn_attr(call);
+void be_Call_set_pop(ir_node *call, unsigned pop)
+{
+ be_call_attr_t *a = (be_call_attr_t*)get_irn_generic_attr(call);
a->pop = pop;
}
-unsigned be_Call_get_pop(const ir_node *call) {
- const be_call_attr_t *a = get_irn_attr_const(call);
+unsigned be_Call_get_pop(const ir_node *call)
+{
+ const be_call_attr_t *a = (const be_call_attr_t*)get_irn_generic_attr_const(call);
return a->pop;
}
-/* Construct a new be_Return. */
ir_node *be_new_Return(dbg_info *dbg, ir_graph *irg, ir_node *block, int n_res,
unsigned pop, int n, ir_node *in[])
{
int i;
res = new_ir_node(dbg, irg, block, op_be_Return, mode_X, -1, NULL);
- init_node_attr(res, -1);
- for(i = 0; i < n; ++i) {
+ init_node_attr(res, -1, 1);
+ for (i = 0; i < n; ++i) {
add_irn_n(res, in[i]);
- add_register_req(res);
+ add_register_req_in(res);
}
+ be_set_constr_out(res, 0, arch_no_register_req);
- a = get_irn_attr(res);
- a->num_ret_vals = n_res;
- a->pop = pop;
- a->emit_pop = 0;
+ a = (be_return_attr_t*)get_irn_generic_attr(res);
+ a->num_ret_vals = n_res;
+ a->pop = pop;
+ a->emit_pop = 0;
+ a->base.exc.pin_state = op_pin_state_pinned;
return res;
}
-/* Returns the number of real returns values */
-int be_Return_get_n_rets(const ir_node *ret) {
- const be_return_attr_t *a = get_irn_generic_attr_const(ret);
+int be_Return_get_n_rets(const ir_node *ret)
+{
+ const be_return_attr_t *a = (const be_return_attr_t*)get_irn_generic_attr_const(ret);
return a->num_ret_vals;
}
-/* return the number of bytes that should be popped from stack when executing the Return. */
-unsigned be_Return_get_pop(const ir_node *ret) {
- const be_return_attr_t *a = get_irn_generic_attr_const(ret);
+unsigned be_Return_get_pop(const ir_node *ret)
+{
+ const be_return_attr_t *a = (const be_return_attr_t*)get_irn_generic_attr_const(ret);
return a->pop;
}
-/* return non-zero, if number of popped bytes must be always emitted */
-int be_Return_get_emit_pop(const ir_node *ret) {
- const be_return_attr_t *a = get_irn_generic_attr_const(ret);
+int be_Return_get_emit_pop(const ir_node *ret)
+{
+ const be_return_attr_t *a = (const be_return_attr_t*)get_irn_generic_attr_const(ret);
return a->emit_pop;
}
-/* return non-zero, if number of popped bytes must be always emitted */
-void be_Return_set_emit_pop(ir_node *ret, int emit_pop) {
- be_return_attr_t *a = get_irn_generic_attr(ret);
+void be_Return_set_emit_pop(ir_node *ret, int emit_pop)
+{
+ be_return_attr_t *a = (be_return_attr_t*)get_irn_generic_attr(ret);
a->emit_pop = emit_pop;
}
-int be_Return_append_node(ir_node *ret, ir_node *node) {
+int be_Return_append_node(ir_node *ret, ir_node *node)
+{
int pos;
pos = add_irn_n(ret, node);
- add_register_req(ret);
+ add_register_req_in(ret);
return pos;
}
-ir_node *be_new_IncSP(const arch_register_t *sp, ir_graph *irg, ir_node *bl,
+ir_node *be_new_IncSP(const arch_register_t *sp, ir_node *bl,
ir_node *old_sp, int offset, int align)
{
be_incsp_attr_t *a;
ir_node *irn;
ir_node *in[1];
+ ir_graph *irg = get_Block_irg(bl);
in[0] = old_sp;
irn = new_ir_node(NULL, irg, bl, op_be_IncSP, sp->reg_class->mode,
sizeof(in) / sizeof(in[0]), in);
- a = init_node_attr(irn, 1);
- a->offset = offset;
- a->align = align;
-
- be_node_set_flags(irn, -1, arch_irn_flags_ignore | arch_irn_flags_modify_sp);
+ init_node_attr(irn, 1, 1);
+ a = (be_incsp_attr_t*)get_irn_generic_attr(irn);
+ a->offset = offset;
+ a->align = align;
+ a->base.exc.pin_state = op_pin_state_pinned;
/* Set output constraint to stack register. */
- be_node_set_reg_class(irn, 0, sp->reg_class);
- be_set_constr_single_reg(irn, BE_OUT_POS(0), sp);
- be_node_set_irn_reg(NULL, irn, sp);
+ be_node_set_reg_class_in(irn, 0, sp->reg_class);
+ be_set_constr_single_reg_out(irn, 0, sp, arch_register_req_type_produces_sp);
return irn;
}
-ir_node *be_new_AddSP(const arch_register_t *sp, ir_graph *irg, ir_node *bl, ir_node *old_sp, ir_node *sz)
+ir_node *be_new_AddSP(const arch_register_t *sp, ir_node *bl, ir_node *old_sp,
+ ir_node *sz)
{
- be_node_attr_t *a;
ir_node *irn;
- ir_node *in[be_pos_AddSP_last];
- const arch_register_class_t *class;
+ ir_node *in[n_be_AddSP_last];
+ ir_graph *irg;
+ be_node_attr_t *attr;
- in[be_pos_AddSP_old_sp] = old_sp;
- in[be_pos_AddSP_size] = sz;
+ in[n_be_AddSP_old_sp] = old_sp;
+ in[n_be_AddSP_size] = sz;
- irn = new_ir_node(NULL, irg, bl, op_be_AddSP, mode_T, be_pos_AddSP_last, in);
- a = init_node_attr(irn, be_pos_AddSP_last);
-
- be_node_set_flags(irn, OUT_POS(pn_be_AddSP_sp),
- arch_irn_flags_ignore | arch_irn_flags_modify_sp);
+ irg = get_Block_irg(bl);
+ irn = new_ir_node(NULL, irg, bl, op_be_AddSP, mode_T, n_be_AddSP_last, in);
+ init_node_attr(irn, n_be_AddSP_last, pn_be_AddSP_last);
+ attr = (be_node_attr_t*) get_irn_generic_attr(irn);
+ attr->exc.pin_state = op_pin_state_pinned;
/* Set output constraint to stack register. */
- be_set_constr_single_reg(irn, be_pos_AddSP_old_sp, sp);
- be_node_set_reg_class(irn, be_pos_AddSP_size, arch_register_get_class(sp));
- be_set_constr_single_reg(irn, OUT_POS(pn_be_AddSP_sp), sp);
- a->reg_data[pn_be_AddSP_sp].reg = sp;
-
- class = arch_register_get_class(sp);
- be_node_set_reg_class(irn, OUT_POS(pn_be_AddSP_res), class);
+ be_set_constr_single_reg_in(irn, n_be_AddSP_old_sp, sp,
+ arch_register_req_type_none);
+ be_node_set_reg_class_in(irn, n_be_AddSP_size, arch_register_get_class(sp));
+ be_set_constr_single_reg_out(irn, pn_be_AddSP_sp, sp,
+ arch_register_req_type_produces_sp);
return irn;
}
-ir_node *be_new_SubSP(const arch_register_t *sp, ir_graph *irg, ir_node *bl, ir_node *old_sp, ir_node *sz)
+ir_node *be_new_SubSP(const arch_register_t *sp, ir_node *bl, ir_node *old_sp, ir_node *sz)
{
- be_node_attr_t *a;
ir_node *irn;
- ir_node *in[be_pos_SubSP_last];
-
- in[be_pos_SubSP_old_sp] = old_sp;
- in[be_pos_SubSP_size] = sz;
+ ir_node *in[n_be_SubSP_last];
+ ir_graph *irg;
+ be_node_attr_t *attr;
- irn = new_ir_node(NULL, irg, bl, op_be_SubSP, mode_T, be_pos_SubSP_last, in);
- a = init_node_attr(irn, be_pos_SubSP_last);
+ in[n_be_SubSP_old_sp] = old_sp;
+ in[n_be_SubSP_size] = sz;
- be_node_set_flags(irn, OUT_POS(pn_be_SubSP_sp),
- arch_irn_flags_ignore | arch_irn_flags_modify_sp);
+ irg = get_Block_irg(bl);
+ irn = new_ir_node(NULL, irg, bl, op_be_SubSP, mode_T, n_be_SubSP_last, in);
+ init_node_attr(irn, n_be_SubSP_last, pn_be_SubSP_last);
+ attr = (be_node_attr_t*) get_irn_generic_attr(irn);
+ attr->exc.pin_state = op_pin_state_pinned;
/* Set output constraint to stack register. */
- be_set_constr_single_reg(irn, be_pos_SubSP_old_sp, sp);
- be_node_set_reg_class(irn, be_pos_SubSP_size, arch_register_get_class(sp));
- be_set_constr_single_reg(irn, OUT_POS(pn_be_SubSP_sp), sp);
- a->reg_data[pn_be_SubSP_sp].reg = sp;
+ be_set_constr_single_reg_in(irn, n_be_SubSP_old_sp, sp,
+ arch_register_req_type_none);
+ be_node_set_reg_class_in(irn, n_be_SubSP_size, arch_register_get_class(sp));
+ be_set_constr_single_reg_out(irn, pn_be_SubSP_sp, sp, arch_register_req_type_produces_sp);
return irn;
}
-ir_node *be_new_RegParams(ir_graph *irg, ir_node *bl, int n_outs)
+ir_node *be_new_Start(dbg_info *dbgi, ir_node *bl, int n_outs)
{
ir_node *res;
int i;
-
- res = new_ir_node(NULL, irg, bl, op_be_RegParams, mode_T, 0, NULL);
- init_node_attr(res, -1);
- for(i = 0; i < n_outs; ++i)
- add_register_req(res);
+ ir_graph *irg = get_Block_irg(bl);
+ be_node_attr_t *attr;
+
+ res = new_ir_node(dbgi, irg, bl, op_be_Start, mode_T, 0, NULL);
+ init_node_attr(res, 0, -1);
+ attr = (be_node_attr_t*) get_irn_generic_attr(res);
+ attr->exc.pin_state = op_pin_state_pinned;
+ for (i = 0; i < n_outs; ++i) {
+ add_register_req_out(res);
+ }
return res;
}
-ir_node *be_RegParams_append_out_reg(ir_node *regparams,
- const arch_env_t *arch_env,
- const arch_register_t *reg)
-{
- ir_graph *irg = get_irn_irg(regparams);
- ir_node *block = get_nodes_block(regparams);
- be_node_attr_t *attr = get_irn_attr(regparams);
- const arch_register_class_t *cls = arch_register_get_class(reg);
- ir_mode *mode = arch_register_class_mode(cls);
- int n = ARR_LEN(attr->reg_data);
- ir_node *proj;
-
- assert(be_is_RegParams(regparams));
- proj = new_r_Proj(irg, block, regparams, mode, n);
- add_register_req(regparams);
- be_set_constr_single_reg(regparams, BE_OUT_POS(n), reg);
- arch_set_irn_register(arch_env, proj, reg);
-
- /* TODO decide, whether we need to set ignore/modify sp flags here? */
-
- return proj;
-}
-
-ir_node *be_new_FrameAddr(const arch_register_class_t *cls_frame, ir_graph *irg, ir_node *bl, ir_node *frame, ir_entity *ent)
+ir_node *be_new_FrameAddr(const arch_register_class_t *cls_frame, ir_node *bl, ir_node *frame, ir_entity *ent)
{
be_frame_attr_t *a;
ir_node *irn;
ir_node *in[1];
+ ir_graph *irg = get_Block_irg(bl);
in[0] = frame;
irn = new_ir_node(NULL, irg, bl, op_be_FrameAddr, get_irn_mode(frame), 1, in);
- a = init_node_attr(irn, 1);
- a->ent = ent;
- a->offset = 0;
- be_node_set_reg_class(irn, 0, cls_frame);
- be_node_set_reg_class(irn, OUT_POS(0), cls_frame);
+ init_node_attr(irn, 1, 1);
+ a = (be_frame_attr_t*)get_irn_generic_attr(irn);
+ a->ent = ent;
+ a->offset = 0;
+ a->base.exc.pin_state = op_pin_state_floats;
+ be_node_set_reg_class_in(irn, 0, cls_frame);
+ be_node_set_reg_class_out(irn, 0, cls_frame);
return optimize_node(irn);
}
-ir_node *be_get_FrameAddr_frame(const ir_node *node) {
+ir_node *be_get_FrameAddr_frame(const ir_node *node)
+{
assert(be_is_FrameAddr(node));
- return get_irn_n(node, be_pos_FrameAddr_ptr);
+ return get_irn_n(node, n_be_FrameAddr_ptr);
}
ir_entity *be_get_FrameAddr_entity(const ir_node *node)
{
- const be_frame_attr_t *attr = get_irn_generic_attr_const(node);
+ const be_frame_attr_t *attr = (const be_frame_attr_t*)get_irn_generic_attr_const(node);
return attr->ent;
}
-ir_node *be_new_CopyKeep(const arch_register_class_t *cls, ir_graph *irg, ir_node *bl, ir_node *src, int n, ir_node *in_keep[], ir_mode *mode)
+ir_node *be_new_CopyKeep(const arch_register_class_t *cls, ir_node *bl, ir_node *src, int n, ir_node *in_keep[], ir_mode *mode)
{
- ir_node *irn;
- ir_node **in = (ir_node **) alloca((n + 1) * sizeof(in[0]));
+ ir_node *irn;
+ ir_node **in = ALLOCAN(ir_node*, n + 1);
+ ir_graph *irg = get_Block_irg(bl);
+ be_node_attr_t *attr;
in[0] = src;
memcpy(&in[1], in_keep, n * sizeof(in[0]));
irn = new_ir_node(NULL, irg, bl, op_be_CopyKeep, mode, n + 1, in);
- init_node_attr(irn, n + 1);
- be_node_set_reg_class(irn, OUT_POS(0), cls);
- be_node_set_reg_class(irn, 0, cls);
+ init_node_attr(irn, n + 1, 1);
+ attr = (be_node_attr_t*) get_irn_generic_attr(irn);
+ attr->exc.pin_state = op_pin_state_floats;
+ be_node_set_reg_class_in(irn, 0, cls);
+ be_node_set_reg_class_out(irn, 0, cls);
return irn;
}
-ir_node *be_new_CopyKeep_single(const arch_register_class_t *cls, ir_graph *irg, ir_node *bl, ir_node *src, ir_node *keep, ir_mode *mode)
-{
- return be_new_CopyKeep(cls, irg, bl, src, 1, &keep, mode);
-}
-
-ir_node *be_get_CopyKeep_op(const ir_node *cpy) {
- return get_irn_n(cpy, be_pos_CopyKeep_op);
-}
-
-void be_set_CopyKeep_op(ir_node *cpy, ir_node *op) {
- set_irn_n(cpy, be_pos_CopyKeep_op, op);
-}
-
-ir_node *be_new_Barrier(ir_graph *irg, ir_node *bl, int n, ir_node *in[])
+ir_node *be_new_CopyKeep_single(const arch_register_class_t *cls, ir_node *bl, ir_node *src, ir_node *keep, ir_mode *mode)
{
- ir_node *res;
- int i;
-
- res = new_ir_node(NULL, irg, bl, op_be_Barrier, mode_T, -1, NULL);
- init_node_attr(res, -1);
- for(i = 0; i < n; ++i) {
- add_irn_n(res, in[i]);
- add_register_req(res);
- }
-
- return res;
+ return be_new_CopyKeep(cls, bl, src, 1, &keep, mode);
}
-ir_node *be_Barrier_append_node(ir_node *barrier, ir_node *node)
+ir_node *be_get_CopyKeep_op(const ir_node *cpy)
{
- ir_graph *irg = get_irn_irg(barrier);
- ir_node *block = get_nodes_block(barrier);
- ir_mode *mode = get_irn_mode(node);
- int n = add_irn_n(barrier, node);
-
- ir_node *proj = new_r_Proj(irg, block, barrier, mode, n);
- add_register_req(barrier);
-
- return proj;
+ return get_irn_n(cpy, n_be_CopyKeep_op);
}
-/* Construct a new be_Unwind. */
-ir_node *be_new_Unwind(dbg_info *dbg, ir_graph *irg, ir_node *block,
- ir_node *mem, ir_node *sp)
+void be_set_CopyKeep_op(ir_node *cpy, ir_node *op)
{
- ir_node *res;
- ir_node *in[2];
-
- in[be_pos_Unwind_mem] = mem;
- in[be_pos_Unwind_sp] = sp;
- res = new_ir_node(dbg, irg, block, op_be_Unwind, mode_X, 2, in);
- init_node_attr(res, -1);
-
- return res;
+ set_irn_n(cpy, n_be_CopyKeep_op, op);
}
-int be_has_frame_entity(const ir_node *irn)
+static bool be_has_frame_entity(const ir_node *irn)
{
switch (get_irn_opcode(irn)) {
case beo_Spill:
case beo_Reload:
case beo_FrameAddr:
- return 1;
+ return true;
default:
- return 0;
+ return false;
}
}
ir_entity *be_get_frame_entity(const ir_node *irn)
{
if (be_has_frame_entity(irn)) {
- const be_frame_attr_t *a = get_irn_attr_const(irn);
+ const be_frame_attr_t *a = (const be_frame_attr_t*)get_irn_generic_attr_const(irn);
return a->ent;
}
return NULL;
{
assert(is_be_node(irn));
if (be_has_frame_entity(irn)) {
- const be_frame_attr_t *a = get_irn_attr_const(irn);
+ const be_frame_attr_t *a = (const be_frame_attr_t*)get_irn_generic_attr_const(irn);
return a->offset;
}
return 0;
void be_set_MemPerm_in_entity(const ir_node *irn, int n, ir_entity *ent)
{
- const be_memperm_attr_t *attr = get_irn_attr_const(irn);
+ const be_memperm_attr_t *attr = (const be_memperm_attr_t*)get_irn_generic_attr_const(irn);
assert(be_is_MemPerm(irn));
assert(n < be_get_MemPerm_entity_arity(irn));
ir_entity* be_get_MemPerm_in_entity(const ir_node* irn, int n)
{
- const be_memperm_attr_t *attr = get_irn_attr_const(irn);
+ const be_memperm_attr_t *attr = (const be_memperm_attr_t*)get_irn_generic_attr_const(irn);
assert(be_is_MemPerm(irn));
assert(n < be_get_MemPerm_entity_arity(irn));
void be_set_MemPerm_out_entity(const ir_node *irn, int n, ir_entity *ent)
{
- const be_memperm_attr_t *attr = get_irn_attr_const(irn);
+ const be_memperm_attr_t *attr = (const be_memperm_attr_t*)get_irn_generic_attr_const(irn);
assert(be_is_MemPerm(irn));
assert(n < be_get_MemPerm_entity_arity(irn));
ir_entity* be_get_MemPerm_out_entity(const ir_node* irn, int n)
{
- const be_memperm_attr_t *attr = get_irn_attr_const(irn);
+ const be_memperm_attr_t *attr = (const be_memperm_attr_t*)get_irn_generic_attr_const(irn);
assert(be_is_MemPerm(irn));
assert(n < be_get_MemPerm_entity_arity(irn));
return get_irn_arity(irn) - 1;
}
-void be_set_constr_single_reg(ir_node *node, int pos, const arch_register_t *reg)
+const arch_register_req_t *be_create_reg_req(struct obstack *obst,
+ const arch_register_t *reg, arch_register_req_type_t additional_types)
{
- arch_register_req_t *req = get_req(node, pos);
+ arch_register_req_t *req = OALLOC(obst, arch_register_req_t);
const arch_register_class_t *cls = arch_register_get_class(reg);
- ir_graph *irg = get_irn_irg(node);
- struct obstack *obst = get_irg_obstack(irg);
- unsigned *limited_bitset;
-
- assert(req->cls == NULL || req->cls == cls);
- assert(! (req->type & arch_register_req_type_limited));
- assert(req->limited == NULL);
+ unsigned *limited_bitset;
limited_bitset = rbitset_obstack_alloc(obst, arch_register_class_n_regs(cls));
rbitset_set(limited_bitset, arch_register_get_index(reg));
- req->cls = cls;
- req->type |= arch_register_req_type_limited;
+ req->type = arch_register_req_type_limited | additional_types;
+ req->cls = cls;
req->limited = limited_bitset;
+ req->width = 1;
+ return req;
}
-void be_set_constr_limited(ir_node *node, int pos, const arch_register_req_t *req)
+void be_set_constr_single_reg_in(ir_node *node, int pos,
+ const arch_register_t *reg, arch_register_req_type_t additional_types)
{
- ir_graph *irg = get_irn_irg(node);
- struct obstack *obst = get_irg_obstack(irg);
- arch_register_req_t *r = get_req(node, pos);
+ const arch_register_req_t *req;
- assert(arch_register_req_is(req, limited));
- assert(! (req->type & (arch_register_req_type_should_be_same | arch_register_req_type_should_be_different)));
- memcpy(r, req, sizeof(r[0]));
- r->limited = rbitset_duplicate_obstack_alloc(obst, req->limited, req->cls->n_regs);
+ if (additional_types == 0) {
+ req = reg->single_req;
+ } else {
+ ir_graph *irg = get_irn_irg(node);
+ struct obstack *obst = be_get_be_obst(irg);
+ req = be_create_reg_req(obst, reg, additional_types);
+ }
+ be_set_constr_in(node, pos, req);
}
-void be_node_set_flags(ir_node *irn, int pos, arch_irn_flags_t flags)
+void be_set_constr_single_reg_out(ir_node *node, int pos,
+ const arch_register_t *reg, arch_register_req_type_t additional_types)
{
- be_req_t *bereq = get_be_req(irn, pos);
- bereq->flags = flags;
-}
+ ir_graph *irg = get_irn_irg(node);
+ be_irg_t *birg = be_birg_from_irg(irg);
+ const arch_register_req_t *req;
-void be_node_add_flags(ir_node *irn, int pos, arch_irn_flags_t flags)
-{
- be_req_t *bereq = get_be_req(irn, pos);
- bereq->flags |= flags;
-}
+ /* if we have an ignore register, add ignore flag and just assign it */
+ if (!rbitset_is_set(birg->allocatable_regs, reg->global_index)) {
+ additional_types |= arch_register_req_type_ignore;
+ }
-void be_node_set_reg_class(ir_node *irn, int pos, const arch_register_class_t *cls)
-{
- arch_register_req_t *req = get_req(irn, pos);
+ if (additional_types == 0) {
+ req = reg->single_req;
+ } else {
+ struct obstack *obst = be_get_be_obst(irg);
+ req = be_create_reg_req(obst, reg, additional_types);
+ }
- req->cls = cls;
+ arch_irn_set_register(node, pos, reg);
+ be_set_constr_out(node, pos, req);
+}
- if (cls == NULL) {
- req->type = arch_register_req_type_none;
- } else if (req->type == arch_register_req_type_none) {
- req->type = arch_register_req_type_normal;
- }
+void be_node_set_reg_class_in(ir_node *irn, int pos,
+ const arch_register_class_t *cls)
+{
+ be_set_constr_in(irn, pos, cls->class_req);
}
-void be_node_set_req_type(ir_node *irn, int pos, arch_register_req_type_t type)
+void be_node_set_reg_class_out(ir_node *irn, int pos,
+ const arch_register_class_t *cls)
{
- arch_register_req_t *req = get_req(irn, pos);
- req->type = type;
+ be_set_constr_out(irn, pos, cls->class_req);
}
-ir_node *be_get_IncSP_pred(ir_node *irn) {
+ir_node *be_get_IncSP_pred(ir_node *irn)
+{
assert(be_is_IncSP(irn));
return get_irn_n(irn, 0);
}
-void be_set_IncSP_pred(ir_node *incsp, ir_node *pred) {
+void be_set_IncSP_pred(ir_node *incsp, ir_node *pred)
+{
assert(be_is_IncSP(incsp));
set_irn_n(incsp, 0, pred);
}
void be_set_IncSP_offset(ir_node *irn, int offset)
{
- be_incsp_attr_t *a = get_irn_attr(irn);
+ be_incsp_attr_t *a = (be_incsp_attr_t*)get_irn_generic_attr(irn);
assert(be_is_IncSP(irn));
a->offset = offset;
}
int be_get_IncSP_offset(const ir_node *irn)
{
- const be_incsp_attr_t *a = get_irn_attr_const(irn);
+ const be_incsp_attr_t *a = (const be_incsp_attr_t*)get_irn_generic_attr_const(irn);
assert(be_is_IncSP(irn));
return a->offset;
}
int be_get_IncSP_align(const ir_node *irn)
{
- const be_incsp_attr_t *a = get_irn_attr_const(irn);
+ const be_incsp_attr_t *a = (const be_incsp_attr_t*)get_irn_generic_attr_const(irn);
assert(be_is_IncSP(irn));
return a->align;
}
-ir_node *be_spill(const arch_env_t *arch_env, ir_node *block, ir_node *irn)
+ir_node *be_spill(ir_node *block, ir_node *irn)
{
- ir_graph *irg = get_irn_irg(block);
+ ir_graph *irg = get_Block_irg(block);
ir_node *frame = get_irg_frame(irg);
- const arch_register_class_t *cls = arch_get_irn_reg_class(arch_env, irn, -1);
- const arch_register_class_t *cls_frame = arch_get_irn_reg_class(arch_env, frame, -1);
+ const arch_register_class_t *cls = arch_get_irn_reg_class_out(irn);
+ const arch_register_class_t *cls_frame = arch_get_irn_reg_class_out(frame);
ir_node *spill;
- spill = be_new_Spill(cls, cls_frame, irg, block, frame, irn);
+ spill = be_new_Spill(cls, cls_frame, block, frame, irn);
return spill;
}
-ir_node *be_reload(const arch_env_t *arch_env, const arch_register_class_t *cls, ir_node *insert, ir_mode *mode, ir_node *spill)
+ir_node *be_reload(const arch_register_class_t *cls, ir_node *insert, ir_mode *mode, ir_node *spill)
{
ir_node *reload;
ir_node *bl = is_Block(insert) ? insert : get_nodes_block(insert);
- ir_graph *irg = get_irn_irg(bl);
+ ir_graph *irg = get_Block_irg(bl);
ir_node *frame = get_irg_frame(irg);
- const arch_register_class_t *cls_frame = arch_get_irn_reg_class(arch_env, frame, -1);
+ const arch_register_class_t *cls_frame = arch_get_irn_reg_class_out(frame);
assert(be_is_Spill(spill) || (is_Phi(spill) && get_irn_mode(spill) == mode_M));
- reload = be_new_Reload(cls, cls_frame, irg, bl, frame, spill, mode);
+ reload = be_new_Reload(cls, cls_frame, bl, frame, spill, mode);
if (is_Block(insert)) {
- insert = sched_skip(insert, 0, sched_skip_cf_predicator, (void *) arch_env);
+ do {
+ insert = sched_prev(insert);
+ } while (is_cfop(insert));
sched_add_after(insert, reload);
} else {
sched_add_before(insert, reload);
return reload;
}
-/*
- ____ ____
- | _ \ ___ __ _ | _ \ ___ __ _ ___
- | |_) / _ \/ _` | | |_) / _ \/ _` / __|
- | _ < __/ (_| | | _ < __/ (_| \__ \
- |_| \_\___|\__, | |_| \_\___|\__, |___/
- |___/ |_|
-
-*/
-
-
-static const
-arch_register_req_t *get_out_reg_req(const ir_node *irn, int out_pos)
-{
- const be_node_attr_t *a = get_irn_attr_const(irn);
-
- if(out_pos >= ARR_LEN(a->reg_data)) {
- return arch_no_register_req;
- }
-
- return &a->reg_data[out_pos].req.req;
-}
-
-static const
-arch_register_req_t *get_in_reg_req(const ir_node *irn, int pos)
-{
- const be_node_attr_t *a = get_irn_attr_const(irn);
-
- if(pos >= get_irn_arity(irn) || pos >= ARR_LEN(a->reg_data))
- return arch_no_register_req;
-
- return &a->reg_data[pos].in_req.req;
-}
-static const arch_register_req_t *
-be_node_get_irn_reg_req(const void *self, const ir_node *irn, int pos)
+static arch_irn_class_t be_node_classify(const ir_node *irn)
{
- int out_pos = pos;
-
- (void) self;
- if (pos < 0) {
- if (get_irn_mode(irn) == mode_T)
- return arch_no_register_req;
-
- out_pos = redir_proj((const ir_node **)&irn);
- assert(is_be_node(irn));
- return get_out_reg_req(irn, out_pos);
- } else if (is_be_node(irn)) {
- /*
- * For spills and reloads, we return "none" as requirement for frame
- * pointer, so every input is ok. Some backends need this (e.g. STA).
- */
- if ((be_is_Spill(irn) && pos == be_pos_Spill_frame) ||
- (be_is_Reload(irn) && pos == be_pos_Reload_frame))
- return arch_no_register_req;
-
- return get_in_reg_req(irn, pos);
- }
-
- return arch_no_register_req;
-}
-
-const arch_register_t *
-be_node_get_irn_reg(const void *self, const ir_node *irn)
-{
- be_reg_data_t *r;
-
- (void) self;
- if (get_irn_mode(irn) == mode_T)
- return NULL;
- r = retrieve_reg_data(irn);
- return r->reg;
-}
-
-static arch_irn_class_t be_node_classify(const void *self, const ir_node *irn)
-{
- (void) self;
-
-restart:
switch (get_irn_opcode(irn)) {
-#define XXX(a,b) case a: return b
- XXX(beo_Spill, arch_irn_class_spill);
- XXX(beo_Reload, arch_irn_class_reload);
- XXX(beo_Perm, arch_irn_class_perm);
- XXX(beo_Copy, arch_irn_class_copy);
- XXX(beo_Return, arch_irn_class_branch);
-#undef XXX
- case iro_Proj:
- irn = get_Proj_pred(irn);
- if (is_Proj(irn)) {
- assert(get_irn_mode(irn) == mode_T);
- irn = get_Proj_pred(irn);
- }
- goto restart;
- break;
- default:
- return arch_irn_class_normal;
- }
-
- return 0;
-}
-
-static arch_irn_flags_t be_node_get_flags(const void *self, const ir_node *node)
-{
- be_req_t *bereq;
- int pos = -1;
- (void) self;
-
- if(is_Proj(node)) {
- pos = OUT_POS(get_Proj_proj(node));
- node = skip_Proj_const(node);
+ case beo_Spill: return arch_irn_class_spill;
+ case beo_Reload: return arch_irn_class_reload;
+ case beo_Perm: return arch_irn_class_perm;
+ case beo_Copy: return arch_irn_class_copy;
+ default: return arch_irn_class_none;
}
-
- bereq = get_be_req(node, pos);
-
- return bereq->flags;
}
-static ir_entity *be_node_get_frame_entity(const void *self, const ir_node *irn)
+static ir_entity *be_node_get_frame_entity(const ir_node *irn)
{
- (void) self;
return be_get_frame_entity(irn);
}
-static void be_node_set_frame_entity(const void *self, ir_node *irn, ir_entity *ent)
+void be_node_set_frame_entity(ir_node *irn, ir_entity *ent)
{
be_frame_attr_t *a;
- (void) self;
assert(be_has_frame_entity(irn));
- a = get_irn_attr(irn);
+ a = (be_frame_attr_t*)get_irn_generic_attr(irn);
a->ent = ent;
}
-static void be_node_set_frame_offset(const void *self, ir_node *irn, int offset)
+static void be_node_set_frame_offset(ir_node *irn, int offset)
{
- (void) self;
- if(be_has_frame_entity(irn)) {
- be_frame_attr_t *a = get_irn_attr(irn);
- a->offset = offset;
- }
+ be_frame_attr_t *a;
+
+ if (!be_has_frame_entity(irn))
+ return;
+
+ a = (be_frame_attr_t*)get_irn_generic_attr(irn);
+ a->offset = offset;
}
-static int be_node_get_sp_bias(const void *self, const ir_node *irn)
+static int be_node_get_sp_bias(const ir_node *irn)
{
- (void) self;
- if(be_is_IncSP(irn))
+ if (be_is_IncSP(irn))
return be_get_IncSP_offset(irn);
- if(be_is_Call(irn))
+ if (be_is_Call(irn))
return -(int)be_Call_get_pop(irn);
return 0;
}
-/*
- ___ ____ _ _ _ _ _ _
- |_ _| _ \| \ | | | | | | __ _ _ __ __| | | ___ _ __
- | || |_) | \| | | |_| |/ _` | '_ \ / _` | |/ _ \ '__|
- | || _ <| |\ | | _ | (_| | | | | (_| | | __/ |
- |___|_| \_\_| \_| |_| |_|\__,_|_| |_|\__,_|_|\___|_|
-
-*/
-
-static const arch_irn_ops_if_t be_node_irn_ops_if = {
- be_node_get_irn_reg_req,
- be_node_set_irn_reg,
- be_node_get_irn_reg,
+
+
+/* for be nodes */
+static const arch_irn_ops_t be_node_irn_ops = {
be_node_classify,
- be_node_get_flags,
be_node_get_frame_entity,
- be_node_set_frame_entity,
be_node_set_frame_offset,
be_node_get_sp_bias,
NULL, /* get_inverse */
NULL, /* perform_memory_operand */
};
-static const arch_irn_ops_t be_node_irn_ops = {
- &be_node_irn_ops_if
-};
-
-const void *be_node_get_irn_ops(const arch_irn_handler_t *self, const ir_node *irn)
-{
- if (is_Proj(irn)) {
- irn = get_Proj_pred(irn);
- if (is_Proj(irn)) {
- assert(get_irn_mode(irn) == mode_T);
- irn = get_Proj_pred(irn);
- }
+static int get_start_reg_index(ir_graph *irg, const arch_register_t *reg)
+{
+ ir_node *start = get_irg_start(irg);
+ unsigned n_outs = arch_irn_get_n_outs(start);
+ int i;
+
+ /* do a naive linear search... */
+ for (i = 0; i < (int)n_outs; ++i) {
+ const arch_register_req_t *out_req
+ = arch_get_out_register_req(start, i);
+ if (! (out_req->type & arch_register_req_type_limited))
+ continue;
+ if (out_req->cls != arch_register_get_class(reg))
+ continue;
+ if (!rbitset_is_set(out_req->limited, reg->index))
+ continue;
+ return i;
}
- (void) self;
- return is_be_node(irn) ? &be_node_irn_ops : NULL;
+ panic("Tried querying undefined register '%s' at Start", reg->name);
}
-const arch_irn_handler_t be_node_irn_handler = {
- be_node_get_irn_ops
-};
-
-/*
- ____ _ _ ___ ____ _ _ _ _ _ _
- | _ \| |__ (_) |_ _| _ \| \ | | | | | | __ _ _ __ __| | | ___ _ __
- | |_) | '_ \| | | || |_) | \| | | |_| |/ _` | '_ \ / _` | |/ _ \ '__|
- | __/| | | | | | || _ <| |\ | | _ | (_| | | | | (_| | | __/ |
- |_| |_| |_|_| |___|_| \_\_| \_| |_| |_|\__,_|_| |_|\__,_|_|\___|_|
-
-*/
-
-typedef struct {
- const arch_register_t *reg;
- arch_register_req_t req;
- arch_irn_flags_t flags;
-} phi_attr_t;
-
-typedef struct {
- arch_irn_handler_t irn_handler;
- arch_irn_ops_t irn_ops;
- const arch_env_t *arch_env;
- pmap *phi_attrs;
-} phi_handler_t;
-
-#define get_phi_handler_from_handler(h) container_of(h, phi_handler_t, irn_handler)
-#define get_phi_handler_from_ops(h) container_of(h, phi_handler_t, irn_ops)
-
-static
-const void *phi_get_irn_ops(const arch_irn_handler_t *handler,
- const ir_node *irn)
+ir_node *be_get_initial_reg_value(ir_graph *irg, const arch_register_t *reg)
{
- const phi_handler_t *h;
- if(!is_Phi(irn) || !mode_is_datab(get_irn_mode(irn)))
- return NULL;
+ int i = get_start_reg_index(irg, reg);
+ ir_node *start = get_irg_start(irg);
+ ir_mode *mode = arch_register_class_mode(arch_register_get_class(reg));
+ const ir_edge_t *edge;
- h = get_phi_handler_from_handler(handler);
- return &h->irn_ops;
-}
-
-static INLINE
-phi_attr_t *get_Phi_attr(const phi_handler_t *handler, const ir_node *phi)
-{
- phi_attr_t *attr = pmap_get(handler->phi_attrs, (void*) phi);
- if(attr == NULL) {
- ir_graph *irg = get_irn_irg(phi);
- struct obstack *obst = get_irg_obstack(irg);
- attr = obstack_alloc(obst, sizeof(attr[0]));
- memset(attr, 0, sizeof(attr[0]));
- pmap_insert(handler->phi_attrs, phi, attr);
+ foreach_out_edge(start, edge) {
+ ir_node *proj = get_edge_src_irn(edge);
+ if (!is_Proj(proj)) // maybe End/Anchor
+ continue;
+ if (get_Proj_proj(proj) == i) {
+ return proj;
+ }
}
-
- return attr;
+ return new_r_Proj(start, mode, i);
}
-/**
- * Get register class of a Phi.
- */
-static
-const arch_register_req_t *get_Phi_reg_req_recursive(const phi_handler_t *h,
- const ir_node *phi,
- pset **visited)
+int be_find_return_reg_input(ir_node *ret, const arch_register_t *reg)
{
- int n = get_irn_arity(phi);
- ir_node *op;
+ int arity = get_irn_arity(ret);
int i;
-
- if(*visited && pset_find_ptr(*visited, phi))
- return NULL;
-
- for(i = 0; i < n; ++i) {
- op = get_irn_n(phi, i);
- /* Matze: don't we unnecessary constraint our phis with this?
- * we only need to take the regclass IMO*/
- if(!is_Phi(op))
- return arch_get_register_req(h->arch_env, op, BE_OUT_POS(0));
+ /* do a naive linear search... */
+ for (i = 0; i < arity; ++i) {
+ const arch_register_req_t *req = arch_get_in_register_req(ret, i);
+ if (! (req->type & arch_register_req_type_limited))
+ continue;
+ if (req->cls != arch_register_get_class(reg))
+ continue;
+ if (!rbitset_is_set(req->limited, reg->index))
+ continue;
+ return i;
}
-
- /*
- * The operands of that Phi were all Phis themselves.
- * We have to start a DFS for a non-Phi argument now.
- */
- if(!*visited)
- *visited = pset_new_ptr(16);
-
- pset_insert_ptr(*visited, phi);
-
- for(i = 0; i < n; ++i) {
- const arch_register_req_t *req;
- op = get_irn_n(phi, i);
- req = get_Phi_reg_req_recursive(h, op, visited);
- if(req != NULL)
- return req;
- }
-
- return NULL;
+ panic("Tried querying undefined register '%s' at Return", reg->name);
}
-static
-const arch_register_req_t *phi_get_irn_reg_req(const void *self,
- const ir_node *irn, int pos)
+static arch_irn_class_t dummy_classify(const ir_node *node)
{
- phi_handler_t *phi_handler = get_phi_handler_from_ops(self);
- phi_attr_t *attr;
- (void) self;
- (void) pos;
-
- if(!mode_is_datab(get_irn_mode(irn)))
- return arch_no_register_req;
-
- attr = get_Phi_attr(phi_handler, irn);
-
- if(attr->req.type == arch_register_req_type_none) {
- pset *visited = NULL;
- const arch_register_req_t *req;
- req = get_Phi_reg_req_recursive(phi_handler, irn, &visited);
-
- memcpy(&attr->req, req, sizeof(req[0]));
- assert(attr->req.cls != NULL);
- attr->req.type = arch_register_req_type_normal;
-
- if(visited != NULL)
- del_pset(visited);
- }
-
- return &attr->req;
+ (void) node;
+ return arch_irn_class_none;
}
-void be_set_phi_reg_req(const arch_env_t *arch_env, ir_node *node,
- const arch_register_req_t *req)
+static ir_entity* dummy_get_frame_entity(const ir_node *node)
{
- const arch_irn_ops_t *ops = arch_get_irn_ops(arch_env, node);
- const phi_handler_t *handler = get_phi_handler_from_ops(ops);
- phi_attr_t *attr;
-
- assert(mode_is_datab(get_irn_mode(node)));
-
- attr = get_Phi_attr(handler, node);
- memcpy(&attr->req, req, sizeof(req[0]));
-}
-
-void be_set_phi_flags(const arch_env_t *arch_env, ir_node *node,
- arch_irn_flags_t flags)
-{
- const arch_irn_ops_t *ops = arch_get_irn_ops(arch_env, node);
- const phi_handler_t *handler = get_phi_handler_from_ops(ops);
- phi_attr_t *attr;
-
- assert(mode_is_datab(get_irn_mode(node)));
-
- attr = get_Phi_attr(handler, node);
- attr->flags = flags;
-}
-
-static
-void phi_set_irn_reg(const void *self, ir_node *irn, const arch_register_t *reg)
-{
- phi_handler_t *h = get_phi_handler_from_ops(self);
- phi_attr_t *attr = get_Phi_attr(h, irn);
- attr->reg = reg;
-}
-
-static
-const arch_register_t *phi_get_irn_reg(const void *self, const ir_node *irn)
-{
- phi_handler_t *h = get_phi_handler_from_ops(self);
- phi_attr_t *attr = get_Phi_attr(h, irn);
- return attr->reg;
-}
-
-static
-arch_irn_class_t phi_classify(const void *self, const ir_node *irn)
-{
- (void) self;
- (void) irn;
- return arch_irn_class_normal;
-}
-
-static
-arch_irn_flags_t phi_get_flags(const void *self, const ir_node *irn)
-{
- phi_handler_t *h = get_phi_handler_from_ops(self);
- phi_attr_t *attr = get_Phi_attr(h, irn);
- (void) self;
- return attr->flags;
-}
-
-static
-ir_entity *phi_get_frame_entity(const void *self, const ir_node *irn)
-{
- (void) self;
- (void) irn;
+ (void) node;
return NULL;
}
-static
-void phi_set_frame_entity(const void *self, ir_node *irn, ir_entity *ent)
-{
- (void) self;
- (void) irn;
- (void) ent;
- assert(0);
-}
-
-static
-void phi_set_frame_offset(const void *self, ir_node *irn, int bias)
+static void dummy_set_frame_offset(ir_node *node, int bias)
{
- (void) self;
- (void) irn;
+ (void) node;
(void) bias;
- assert(0);
+ panic("dummy_set_frame_offset() should not be called");
}
-static
-int phi_get_sp_bias(const void* self, const ir_node *irn)
+static int dummy_get_sp_bias(const ir_node *node)
{
- (void) self;
- (void) irn;
+ (void) node;
return 0;
}
-static
-const arch_irn_ops_if_t phi_irn_ops = {
- phi_get_irn_reg_req,
- phi_set_irn_reg,
- phi_get_irn_reg,
- phi_classify,
- phi_get_flags,
- phi_get_frame_entity,
- phi_set_frame_entity,
- phi_set_frame_offset,
- phi_get_sp_bias,
- NULL, /* get_inverse */
- NULL, /* get_op_estimated_cost */
- NULL, /* possible_memory_operand */
- NULL, /* perform_memory_operand */
+/* for "middleend" nodes */
+static const arch_irn_ops_t dummy_be_irn_ops = {
+ dummy_classify,
+ dummy_get_frame_entity,
+ dummy_set_frame_offset,
+ dummy_get_sp_bias,
+ NULL, /* get_inverse */
+ NULL, /* get_op_estimated_cost */
+ NULL, /* possible_memory_operand */
+ NULL, /* perform_memory_operand */
};
-arch_irn_handler_t *be_phi_handler_new(const arch_env_t *arch_env)
-{
- phi_handler_t *h = xmalloc(sizeof(h[0]));
- h->irn_handler.get_irn_ops = phi_get_irn_ops;
- h->irn_ops.impl = &phi_irn_ops;
- h->arch_env = arch_env;
- h->phi_attrs = pmap_create();
- return &h->irn_handler;
-}
-void be_phi_handler_free(arch_irn_handler_t *handler)
-{
- phi_handler_t *h = get_phi_handler_from_handler(handler);
- pmap_destroy(h->phi_attrs);
- h->phi_attrs = NULL;
- free(handler);
-}
-void be_phi_handler_reset(arch_irn_handler_t *handler)
+ir_node *be_new_Phi(ir_node *block, int n_ins, ir_node **ins, ir_mode *mode,
+ const arch_register_class_t *cls)
{
- phi_handler_t *h = get_phi_handler_from_handler(handler);
- if(h->phi_attrs)
- pmap_destroy(h->phi_attrs);
- h->phi_attrs = pmap_create();
-}
+ const arch_register_req_t *req;
+ ir_graph *irg = get_irn_irg(block);
+ struct obstack *obst = be_get_be_obst(irg);
+ backend_info_t *info;
+ int i;
-/*
- _ _ _ ____ _
- | \ | | ___ __| | ___ | _ \ _ _ _ __ ___ _ __ (_)_ __ __ _
- | \| |/ _ \ / _` |/ _ \ | | | | | | | '_ ` _ \| '_ \| | '_ \ / _` |
- | |\ | (_) | (_| | __/ | |_| | |_| | | | | | | |_) | | | | | (_| |
- |_| \_|\___/ \__,_|\___| |____/ \__,_|_| |_| |_| .__/|_|_| |_|\__, |
- |_| |___/
-*/
+ ir_node *phi = new_r_Phi(block, n_ins, ins, mode);
+ info = be_get_info(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->in_reqs = OALLOCN(obst, const arch_register_req_t*, n_ins);
-/**
- * Dumps a register requirement to a file.
- */
-static void dump_node_req(FILE *f, int idx, const arch_register_req_t *req,
- const ir_node *node)
-{
- int did_something = 0;
- char buf[16];
- const char *prefix = buf;
-
- snprintf(buf, sizeof(buf), "#%d ", idx);
- buf[sizeof(buf) - 1] = '\0';
-
- if(req->cls != 0) {
- char tmp[256];
- fprintf(f, prefix);
- arch_register_req_format(tmp, sizeof(tmp), req, node);
- fprintf(f, "%s", tmp);
- did_something = 1;
+ if (cls == NULL) {
+ req = arch_no_register_req;
+ } else {
+ req = cls->class_req;
+ }
+ info->out_infos[0].req = req;
+ for (i = 0; i < n_ins; ++i) {
+ info->in_reqs[i] = req;
}
- if(did_something)
- fprintf(f, "\n");
+ return phi;
}
-/**
- * Dumps node register requirements to a file.
- */
-static void dump_node_reqs(FILE *f, ir_node *node)
+void be_set_phi_reg_req(ir_node *node, const arch_register_req_t *req)
{
+ int arity = get_irn_arity(node);
int i;
- be_node_attr_t *a = get_irn_attr(node);
- int len = ARR_LEN(a->reg_data);
-
- fprintf(f, "registers: \n");
- for(i = 0; i < len; ++i) {
- be_reg_data_t *rd = &a->reg_data[i];
- if(rd->reg)
- fprintf(f, "#%d: %s\n", i, rd->reg->name);
+
+ backend_info_t *info = be_get_info(node);
+ info->out_infos[0].req = req;
+ for (i = 0; i < arity; ++i) {
+ info->in_reqs[i] = req;
}
- fprintf(f, "in requirements:\n");
- for(i = 0; i < len; ++i) {
- dump_node_req(f, i, &a->reg_data[i].in_req.req, node);
+ assert(mode_is_datab(get_irn_mode(node)));
+}
+
+void be_dump_phi_reg_reqs(FILE *F, ir_node *node, dump_reason_t reason)
+{
+ switch (reason) {
+ case dump_node_opcode_txt:
+ fputs(get_op_name(get_irn_op(node)), F);
+ break;
+ case dump_node_mode_txt:
+ fprintf(F, "%s", get_mode_name(get_irn_mode(node)));
+ break;
+ case dump_node_nodeattr_txt:
+ break;
+ case dump_node_info_txt:
+ {
+ backend_info_t *info = be_get_info(node);
+ if (info != NULL && info->out_infos[0].req != NULL) {
+ arch_dump_reqs_and_registers(F, node);
+ }
+ break;
}
- fprintf(f, "\nout requirements:\n");
- for(i = 0; i < len; ++i) {
- dump_node_req(f, i, &a->reg_data[i].req.req, node);
+ default:
+ break;
}
}
+static const arch_irn_ops_t phi_irn_ops = {
+ dummy_classify,
+ dummy_get_frame_entity,
+ dummy_set_frame_offset,
+ dummy_get_sp_bias,
+ NULL, /* get_inverse */
+ NULL, /* get_op_estimated_cost */
+ NULL, /* possible_memory_operand */
+ NULL, /* perform_memory_operand */
+};
+
+
+
/**
* ir_op-Operation: dump a be node to file
*/
-static int dump_node(ir_node *irn, FILE *f, dump_reason_t reason)
+static void dump_node(FILE *f, ir_node *irn, dump_reason_t reason)
{
- be_node_attr_t *at = get_irn_attr(irn);
-
assert(is_be_node(irn));
- switch(reason) {
+ switch (reason) {
case dump_node_opcode_txt:
- fprintf(f, get_op_name(get_irn_op(irn)));
+ fputs(get_op_name(get_irn_op(irn)), f);
break;
case dump_node_mode_txt:
- if(be_is_Perm(irn) || be_is_Copy(irn) || be_is_CopyKeep(irn)) {
- fprintf(f, " %s", get_mode_name(get_irn_mode(irn)));
+ if (be_is_Copy(irn) || be_is_CopyKeep(irn)) {
+ fprintf(f, "%s", get_mode_name(get_irn_mode(irn)));
}
break;
case dump_node_nodeattr_txt:
- if(be_is_Call(irn)) {
- be_call_attr_t *a = (be_call_attr_t *) at;
+ if (be_is_Call(irn)) {
+ const be_call_attr_t *a = (const be_call_attr_t*)get_irn_generic_attr_const(irn);
if (a->ent)
fprintf(f, " [%s] ", get_entity_name(a->ent));
}
- if(be_is_IncSP(irn)) {
- const be_incsp_attr_t *attr = get_irn_generic_attr_const(irn);
- if(attr->offset == BE_STACK_FRAME_SIZE_EXPAND) {
- fprintf(f, " [Setup Stackframe] ");
- } else if(attr->offset == BE_STACK_FRAME_SIZE_SHRINK) {
- fprintf(f, " [Destroy Stackframe] ");
- } else {
- fprintf(f, " [%d] ", attr->offset);
- }
+ if (be_is_IncSP(irn)) {
+ const be_incsp_attr_t *attr = (const be_incsp_attr_t*)get_irn_generic_attr_const(irn);
+ fprintf(f, " [%d] ", attr->offset);
}
break;
case dump_node_info_txt:
- dump_node_reqs(f, irn);
+ arch_dump_reqs_and_registers(f, irn);
- if(be_has_frame_entity(irn)) {
- be_frame_attr_t *a = (be_frame_attr_t *) at;
+ if (be_has_frame_entity(irn)) {
+ const be_frame_attr_t *a = (const be_frame_attr_t*)get_irn_generic_attr_const(irn);
if (a->ent) {
unsigned size = get_type_size_bytes(get_entity_type(a->ent));
ir_fprintf(f, "frame entity: %+F, offset 0x%x (%d), size 0x%x (%d) bytes\n",
}
switch (get_irn_opcode(irn)) {
- case beo_IncSP:
- {
- be_incsp_attr_t *a = (be_incsp_attr_t *) at;
- if (a->offset == BE_STACK_FRAME_SIZE_EXPAND)
- fprintf(f, "offset: FRAME_SIZE\n");
- else if(a->offset == BE_STACK_FRAME_SIZE_SHRINK)
- fprintf(f, "offset: -FRAME SIZE\n");
- else
- fprintf(f, "offset: %u\n", a->offset);
- }
+ case beo_IncSP: {
+ const be_incsp_attr_t *a = (const be_incsp_attr_t*)get_irn_generic_attr_const(irn);
+ fprintf(f, "align: %d\n", a->align);
+ fprintf(f, "offset: %d\n", a->offset);
break;
- case beo_Call:
- {
- be_call_attr_t *a = (be_call_attr_t *) at;
+ }
+ case beo_Call: {
+ const be_call_attr_t *a = (const be_call_attr_t*)get_irn_generic_attr_const(irn);
- if (a->ent)
- fprintf(f, "\ncalling: %s\n", get_entity_name(a->ent));
- }
+ if (a->ent)
+ fprintf(f, "\ncalling: %s\n", get_entity_name(a->ent));
break;
- case beo_MemPerm:
- {
- int i;
- for(i = 0; i < be_get_MemPerm_entity_arity(irn); ++i) {
- ir_entity *in, *out;
- in = be_get_MemPerm_in_entity(irn, i);
- out = be_get_MemPerm_out_entity(irn, i);
- if(in) {
- fprintf(f, "\nin[%d]: %s\n", i, get_entity_name(in));
- }
- if(out) {
- fprintf(f, "\nout[%d]: %s\n", i, get_entity_name(out));
- }
+ }
+ case beo_MemPerm: {
+ int i;
+ for (i = 0; i < be_get_MemPerm_entity_arity(irn); ++i) {
+ ir_entity *in, *out;
+ in = be_get_MemPerm_in_entity(irn, i);
+ out = be_get_MemPerm_out_entity(irn, i);
+ if (in) {
+ fprintf(f, "\nin[%d]: %s\n", i, get_entity_name(in));
+ }
+ if (out) {
+ fprintf(f, "\nout[%d]: %s\n", i, get_entity_name(out));
}
}
break;
+ }
default:
break;
}
}
-
- return 0;
}
/**
* ir_op-Operation:
* Copies the backend specific attributes from old node to new node.
*/
-static void copy_attr(const ir_node *old_node, ir_node *new_node)
+static void copy_attr(ir_graph *irg, const ir_node *old_node, ir_node *new_node)
{
- const be_node_attr_t *old_attr = get_irn_attr_const(old_node);
- be_node_attr_t *new_attr = get_irn_attr(new_node);
- struct obstack *obst = get_irg_obstack(get_irn_irg(new_node));
- unsigned i, len;
+ const void *old_attr = get_irn_generic_attr_const(old_node);
+ void *new_attr = get_irn_generic_attr(new_node);
+ struct obstack *obst = be_get_be_obst(irg);
+ backend_info_t *old_info = be_get_info(old_node);
+ backend_info_t *new_info = be_get_info(new_node);
assert(is_be_node(old_node));
assert(is_be_node(new_node));
memcpy(new_attr, old_attr, get_op_attr_size(get_irn_op(old_node)));
- new_attr->reg_data = NULL;
-
- if(old_attr->reg_data != NULL)
- len = ARR_LEN(old_attr->reg_data);
- else
- len = 0;
- if(get_irn_op(old_node)->opar == oparity_dynamic
- || be_is_RegParams(old_node)) {
- new_attr->reg_data = NEW_ARR_F(be_reg_data_t, len);
+ new_info->flags = old_info->flags;
+ if (old_info->out_infos != NULL) {
+ size_t n_outs = ARR_LEN(old_info->out_infos);
+ /* need dyanmic out infos? */
+ if (be_is_Perm(new_node)) {
+ new_info->out_infos = NEW_ARR_F(reg_out_info_t, n_outs);
+ } else {
+ new_info->out_infos = NEW_ARR_D(reg_out_info_t, obst, n_outs);
+ }
+ memcpy(new_info->out_infos, old_info->out_infos,
+ n_outs * sizeof(new_info->out_infos[0]));
} else {
- new_attr->reg_data = NEW_ARR_D(be_reg_data_t, obst, len);
+ new_info->out_infos = NULL;
}
- if(len > 0) {
- memcpy(new_attr->reg_data, old_attr->reg_data, len * sizeof(be_reg_data_t));
- for(i = 0; i < len; ++i) {
- const be_reg_data_t *rd = &old_attr->reg_data[i];
- be_reg_data_t *newrd = &new_attr->reg_data[i];
- if(arch_register_req_is(&rd->req.req, limited)) {
- const arch_register_req_t *req = &rd->req.req;
- arch_register_req_t *new_req = &newrd->req.req;
- new_req->limited
- = rbitset_duplicate_obstack_alloc(obst, req->limited, req->cls->n_regs);
- }
- if(arch_register_req_is(&rd->in_req.req, limited)) {
- const arch_register_req_t *req = &rd->in_req.req;
- arch_register_req_t *new_req = &newrd->in_req.req;
- new_req->limited
- = rbitset_duplicate_obstack_alloc(obst, req->limited, req->cls->n_regs);
- }
+ /* input infos */
+ if (old_info->in_reqs != NULL) {
+ unsigned n_ins = get_irn_arity(old_node);
+ /* need dynamic in infos? */
+ if (get_irn_op(old_node)->opar == oparity_dynamic) {
+ new_info->in_reqs = NEW_ARR_F(const arch_register_req_t*, n_ins);
+ } else {
+ new_info->in_reqs = OALLOCN(obst,const arch_register_req_t*, n_ins);
}
+ memcpy(new_info->in_reqs, old_info->in_reqs,
+ n_ins * sizeof(new_info->in_reqs[0]));
+ } else {
+ new_info->in_reqs = NULL;
}
}
static const ir_op_ops be_node_op_ops = {
+ firm_default_hash,
NULL,
NULL,
NULL,
NULL,
NULL,
- copy_attr,
NULL,
NULL,
NULL,
+ copy_attr,
+ NULL,
+ NULL,
NULL,
NULL,
dump_node,
- NULL
+ NULL,
+ &be_node_irn_ops
};
+
+int is_be_node(const ir_node *irn)
+{
+ return get_op_ops(get_irn_op(irn))->be_ops == &be_node_irn_ops;
+}
+
+void be_init_op(void)
+{
+ unsigned opc;
+
+ /* Acquire all needed opcodes. */
+ op_be_Spill = new_ir_op(beo_Spill, "be_Spill", op_pin_state_exc_pinned, irop_flag_none, 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_exc_pinned, irop_flag_none, oparity_zero, 0, sizeof(be_frame_attr_t), &be_node_op_ops);
+ op_be_Perm = new_ir_op(beo_Perm, "be_Perm", op_pin_state_exc_pinned, irop_flag_none, oparity_variable, 0, sizeof(be_node_attr_t), &be_node_op_ops);
+ op_be_MemPerm = new_ir_op(beo_MemPerm, "be_MemPerm", op_pin_state_exc_pinned, irop_flag_none, oparity_variable, 0, sizeof(be_memperm_attr_t), &be_node_op_ops);
+ op_be_Copy = new_ir_op(beo_Copy, "be_Copy", op_pin_state_exc_pinned, irop_flag_none, oparity_unary, 0, sizeof(be_node_attr_t), &be_node_op_ops);
+ op_be_Keep = new_ir_op(beo_Keep, "be_Keep", op_pin_state_exc_pinned, irop_flag_keep, oparity_dynamic, 0, sizeof(be_node_attr_t), &be_node_op_ops);
+ op_be_CopyKeep = new_ir_op(beo_CopyKeep, "be_CopyKeep", op_pin_state_exc_pinned, irop_flag_keep, oparity_variable, 0, sizeof(be_node_attr_t), &be_node_op_ops);
+ op_be_Call = new_ir_op(beo_Call, "be_Call", op_pin_state_exc_pinned, irop_flag_fragile|irop_flag_uses_memory, oparity_variable, 0, sizeof(be_call_attr_t), &be_node_op_ops);
+ ir_op_set_fragile_indices(op_be_Call, n_be_Call_mem, pn_be_Call_X_regular, pn_be_Call_X_except);
+ op_be_Return = new_ir_op(beo_Return, "be_Return", op_pin_state_exc_pinned, irop_flag_cfopcode, oparity_dynamic, 0, sizeof(be_return_attr_t), &be_node_op_ops);
+ op_be_AddSP = new_ir_op(beo_AddSP, "be_AddSP", op_pin_state_exc_pinned, irop_flag_none, oparity_unary, 0, sizeof(be_node_attr_t), &be_node_op_ops);
+ op_be_SubSP = new_ir_op(beo_SubSP, "be_SubSP", op_pin_state_exc_pinned, irop_flag_none, oparity_unary, 0, sizeof(be_node_attr_t), &be_node_op_ops);
+ op_be_IncSP = new_ir_op(beo_IncSP, "be_IncSP", op_pin_state_exc_pinned, irop_flag_none, oparity_unary, 0, sizeof(be_incsp_attr_t), &be_node_op_ops);
+ op_be_Start = new_ir_op(beo_Start, "be_Start", op_pin_state_exc_pinned, irop_flag_none, oparity_zero, 0, sizeof(be_node_attr_t), &be_node_op_ops);
+ op_be_FrameAddr = new_ir_op(beo_FrameAddr, "be_FrameAddr", op_pin_state_exc_pinned, irop_flag_none, oparity_unary, 0, sizeof(be_frame_attr_t), &be_node_op_ops);
+
+ op_be_Spill->ops.node_cmp_attr = FrameAddr_cmp_attr;
+ op_be_Reload->ops.node_cmp_attr = FrameAddr_cmp_attr;
+ op_be_Perm->ops.node_cmp_attr = be_nodes_equal;
+ op_be_MemPerm->ops.node_cmp_attr = be_nodes_equal;
+ op_be_Copy->ops.node_cmp_attr = be_nodes_equal;
+ op_be_Keep->ops.node_cmp_attr = be_nodes_equal;
+ op_be_CopyKeep->ops.node_cmp_attr = be_nodes_equal;
+ op_be_Call->ops.node_cmp_attr = Call_cmp_attr;
+ op_be_Return->ops.node_cmp_attr = Return_cmp_attr;
+ op_be_AddSP->ops.node_cmp_attr = be_nodes_equal;
+ op_be_SubSP->ops.node_cmp_attr = be_nodes_equal;
+ op_be_IncSP->ops.node_cmp_attr = IncSP_cmp_attr;
+ op_be_Start->ops.node_cmp_attr = be_nodes_equal;
+ op_be_FrameAddr->ops.node_cmp_attr = FrameAddr_cmp_attr;
+
+ /* attach out dummy_ops to middle end nodes */
+ for (opc = iro_First; opc <= iro_Last; ++opc) {
+ ir_op *op = get_irp_opcode(opc);
+ assert(op->ops.be_ops == NULL);
+ op->ops.be_ops = &dummy_be_irn_ops;
+ }
+
+ op_Phi->ops.be_ops = &phi_irn_ops;
+}