* 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 "bitfiddle.h"
#include "raw_bitset.h"
#include "error.h"
+#include "array_t.h"
#include "irop_t.h"
#include "irmode_t.h"
return _node_cmp_attr(&a_attr->node_attr, &b_attr->node_attr);
}
-static INLINE be_req_t *get_be_req(const ir_node *node, int pos)
+static inline be_req_t *get_be_req(const ir_node *node, int pos)
{
int idx;
const be_node_attr_t *attr;
return pos < 0 ? &rd->req : &rd->in_req;
}
-static INLINE arch_register_req_t *get_req(const ir_node *node, int pos)
+static inline arch_register_req_t *get_req(const ir_node *node, int pos)
{
be_req_t *bereq = get_be_req(node, pos);
return &bereq->req;
void be_Perm_reduce(ir_node *perm, int new_size, int *map)
{
int arity = get_irn_arity(perm);
- be_reg_data_t *old_data = alloca(arity * sizeof(old_data[0]));
+ be_reg_data_t *old_data = ALLOCAN(be_reg_data_t, arity);
be_node_attr_t *attr = get_irn_attr(perm);
ir_node **new_in;
ir_node *be_new_MemPerm(const arch_env_t *arch_env, ir_graph *irg, ir_node *bl, 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->sp;
- be_memperm_attr_t *attr;
- ir_node **real_in;
+ ir_node *frame = get_irg_frame(irg);
+ const arch_register_class_t *cls_frame = arch_get_irn_reg_class_out(frame);
+ const arch_register_t *sp = arch_env->sp;
+ ir_node *irn;
+ be_memperm_attr_t *attr;
+ ir_node **real_in;
+ int i;
- 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]));
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)
{
be_frame_attr_t *a;
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 *irn;
- ir_node **in = (ir_node **) alloca((n + 1) * sizeof(in[0]));
+ ir_node *irn;
+ ir_node **in = ALLOCAN(ir_node*, n + 1);
in[0] = src;
memcpy(&in[1], in_keep, n * sizeof(in[0]));
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_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);
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_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);
if (is_Block(insert)) {
- insert = sched_skip(insert, 0, sched_skip_cf_predicator, (void *) arch_env);
+ insert = sched_skip(insert, 0, sched_skip_cf_predicator, NULL);
sched_add_after(insert, reload);
} else {
sched_add_before(insert, reload);
if (get_irn_mode(irn) == mode_T)
return arch_no_register_req;
+ assert(pos == -1);
out_pos = redir_proj((const ir_node **)&irn);
assert(is_be_node(irn));
return get_out_reg_req(irn, out_pos);
irn = get_Proj_pred(irn);
}
goto restart;
- break;
+
default:
- return arch_irn_class_normal;
+ return 0;
}
-
- return 0;
}
static arch_irn_flags_t be_node_get_flags(const ir_node *node)
arch_irn_flags_t flags;
} phi_attr_t;
-struct {
- arch_env_t *arch_env;
- pmap *phi_attrs;
+static struct {
+ pmap *phi_attrs;
} phi_handler;
#define get_phi_handler_from_ops(h) container_of(h, phi_handler_t, irn_ops)
-static INLINE
+static inline
phi_attr_t *get_Phi_attr(const ir_node *phi)
{
phi_attr_t *attr = pmap_get(phi_handler.phi_attrs, (void*) phi);
/* 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(phi_handler.arch_env, op, BE_OUT_POS(0));
+ return arch_get_register_req_out(op);
}
/*
return &attr->req;
}
-void be_set_phi_reg_req(const arch_env_t *arch_env, ir_node *node,
- const arch_register_req_t *req)
+void be_set_phi_reg_req(ir_node *node, const arch_register_req_t *req)
{
phi_attr_t *attr;
- (void) arch_env;
assert(mode_is_datab(get_irn_mode(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)
+void be_set_phi_flags(ir_node *node, arch_irn_flags_t flags)
{
phi_attr_t *attr;
- (void) arch_env;
assert(mode_is_datab(get_irn_mode(node)));
static arch_irn_class_t phi_classify(const ir_node *irn)
{
(void) irn;
- return arch_irn_class_normal;
+ return 0;
}
static arch_irn_flags_t phi_get_flags(const ir_node *irn)
NULL, /* perform_memory_operand */
};
-void be_phi_handler_new(be_main_env_t *env)
+void be_phi_handler_new(void)
{
- phi_handler.arch_env = env->arch_env;
phi_handler.phi_attrs = pmap_create();
op_Phi->ops.be_ops = &phi_irn_ops;
}