#include "irnode_t.h"
#include "ircons_t.h"
#include "irprintf.h"
+#include "irgwalk.h"
#include "be_t.h"
#include "belive_t.h"
#include "beirgmod.h"
+#define OUT_POS(x) (-((x) + 1))
+
/* Sometimes we want to put const nodes into get_irn_generic_attr ... */
#define get_irn_attr(irn) get_irn_generic_attr((ir_node *) (irn))
static unsigned be_node_tag = FOURCC('B', 'E', 'N', 'O');
+#if 0
typedef enum _node_kind_t {
node_kind_spill,
node_kind_reload,
node_kind_kill,
node_kind_last
} node_kind_t;
-
-typedef struct {
- node_kind_t kind;
- const arch_register_class_t *cls;
- ir_op *op;
- int n_pos;
- int *pos;
-} be_op_t;
+#endif
typedef enum {
be_req_kind_old_limited,
typedef struct {
int max_reg_data;
- const arch_register_class_t *cls;
be_reg_data_t *reg_data;
} be_node_attr_t;
int offset;
} be_frame_attr_t;
+typedef struct {
+ be_node_attr_t node_attr;
+ entity *ent;
+} be_call_attr_t;
+
typedef struct {
be_frame_attr_t frame_attr;
ir_node *spill_ctx; /**< The node in whose context this spill was introduced. */
} be_spill_attr_t;
-static ir_op *op_Spill;
-static ir_op *op_Reload;
-static ir_op *op_Perm;
-static ir_op *op_Copy;
-static ir_op *op_Keep;
-static ir_op *op_Call;
-static ir_op *op_Return;
-static ir_op *op_IncSP;
-static ir_op *op_AddSP;
-static ir_op *op_RegParams;
-static ir_op *op_StackParam;
-static ir_op *op_FrameAddr;
-static ir_op *op_FrameLoad;
-static ir_op *op_FrameStore;
+ir_op *op_be_Spill;
+ir_op *op_be_Reload;
+ir_op *op_be_Perm;
+ir_op *op_be_Copy;
+ir_op *op_be_Keep;
+ir_op *op_be_CopyKeep;
+ir_op *op_be_Call;
+ir_op *op_be_Return;
+ir_op *op_be_IncSP;
+ir_op *op_be_AddSP;
+ir_op *op_be_SetSP;
+ir_op *op_be_RegParams;
+ir_op *op_be_StackParam;
+ir_op *op_be_FrameAddr;
+ir_op *op_be_FrameLoad;
+ir_op *op_be_FrameStore;
+ir_op *op_be_Epilogue;
static int beo_base = -1;
/* Acquire all needed opcodes. */
beo_base = get_next_ir_opcodes(beo_Last - 1);
- op_Spill = new_ir_op(beo_base + beo_Spill, "Spill", op_pin_state_mem_pinned, N, oparity_unary, 0, sizeof(be_spill_attr_t), &be_node_op_ops);
- op_Reload = new_ir_op(beo_base + beo_Reload, "Reload", op_pin_state_mem_pinned, N, oparity_zero, 0, sizeof(be_node_attr_t), &be_node_op_ops);
- op_Perm = new_ir_op(beo_base + beo_Perm, "Perm", op_pin_state_pinned, N, oparity_variable, 0, sizeof(be_node_attr_t), &be_node_op_ops);
- op_Copy = new_ir_op(beo_base + beo_Copy, "Copy", op_pin_state_floats, N, oparity_unary, 0, sizeof(be_node_attr_t), &be_node_op_ops);
- op_Keep = new_ir_op(beo_base + beo_Keep, "Keep", op_pin_state_pinned, K, oparity_variable, 0, sizeof(be_node_attr_t), &be_node_op_ops);
- op_Call = new_ir_op(beo_base + beo_Call, "Call", op_pin_state_pinned, N, oparity_variable, 0, sizeof(be_node_attr_t), &be_node_op_ops);
- op_Return = new_ir_op(beo_base + beo_Return, "Return", op_pin_state_pinned, X, oparity_variable, 0, sizeof(be_node_attr_t), &be_node_op_ops);
- op_AddSP = new_ir_op(beo_base + beo_AddSP, "AddSP", op_pin_state_pinned, N, oparity_unary, 0, sizeof(be_stack_attr_t), &be_node_op_ops);
- op_IncSP = new_ir_op(beo_base + beo_IncSP, "IncSP", op_pin_state_pinned, N, oparity_binary, 0, sizeof(be_stack_attr_t), &be_node_op_ops);
- op_RegParams = new_ir_op(beo_base + beo_RegParams, "RegParams", op_pin_state_pinned, N, oparity_zero, 0, sizeof(be_node_attr_t), &be_node_op_ops);
- op_StackParam = new_ir_op(beo_base + beo_StackParam, "StackParam", op_pin_state_pinned, N, oparity_unary, 0, sizeof(be_frame_attr_t), &be_node_op_ops);
- op_FrameAddr = new_ir_op(beo_base + beo_FrameAddr, "FrameAddr", op_pin_state_pinned, N, oparity_binary, 0, sizeof(be_frame_attr_t), &be_node_op_ops);
- op_FrameLoad = new_ir_op(beo_base + beo_FrameLoad, "FrameLoad", op_pin_state_pinned, N, oparity_any, 0, sizeof(be_frame_attr_t), &be_node_op_ops);
- op_FrameStore = new_ir_op(beo_base + beo_FrameStore, "FrameStore", op_pin_state_pinned, N, oparity_any, 0, sizeof(be_frame_attr_t), &be_node_op_ops);
-
- set_op_tag(op_Spill, &be_node_tag);
- set_op_tag(op_Reload, &be_node_tag);
- set_op_tag(op_Perm, &be_node_tag);
- set_op_tag(op_Copy, &be_node_tag);
- set_op_tag(op_Keep, &be_node_tag);
- set_op_tag(op_Call, &be_node_tag);
- set_op_tag(op_Return, &be_node_tag);
- set_op_tag(op_AddSP, &be_node_tag);
- set_op_tag(op_IncSP, &be_node_tag);
- set_op_tag(op_RegParams, &be_node_tag);
- set_op_tag(op_StackParam, &be_node_tag);
- set_op_tag(op_FrameLoad, &be_node_tag);
- set_op_tag(op_FrameStore, &be_node_tag);
- set_op_tag(op_FrameAddr, &be_node_tag);
+ op_be_Spill = new_ir_op(beo_base + beo_Spill, "Spill", op_pin_state_mem_pinned, N, oparity_unary, 0, sizeof(be_spill_attr_t), &be_node_op_ops);
+ op_be_Reload = new_ir_op(beo_base + beo_Reload, "Reload", op_pin_state_mem_pinned, N, oparity_zero, 0, sizeof(be_frame_attr_t), &be_node_op_ops);
+ op_be_Perm = new_ir_op(beo_base + beo_Perm, "Perm", op_pin_state_pinned, N, oparity_variable, 0, sizeof(be_node_attr_t), &be_node_op_ops);
+ op_be_Copy = new_ir_op(beo_base + beo_Copy, "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_base + beo_Keep, "Keep", op_pin_state_pinned, K, oparity_variable, 0, sizeof(be_node_attr_t), &be_node_op_ops);
+ op_be_CopyKeep = new_ir_op(beo_base + beo_CopyKeep, "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_base + beo_Call, "Call", op_pin_state_pinned, N, oparity_variable, 0, sizeof(be_call_attr_t), &be_node_op_ops);
+ op_be_Return = new_ir_op(beo_base + beo_Return, "Return", op_pin_state_pinned, X, oparity_variable, 0, sizeof(be_node_attr_t), &be_node_op_ops);
+ op_be_AddSP = new_ir_op(beo_base + beo_AddSP, "AddSP", op_pin_state_pinned, N, oparity_unary, 0, sizeof(be_node_attr_t), &be_node_op_ops);
+ op_be_SetSP = new_ir_op(beo_base + beo_SetSP, "SetSP", op_pin_state_pinned, N, oparity_binary, 0, sizeof(be_stack_attr_t), &be_node_op_ops);
+ op_be_IncSP = new_ir_op(beo_base + beo_IncSP, "IncSP", op_pin_state_pinned, N, oparity_binary, 0, sizeof(be_stack_attr_t), &be_node_op_ops);
+ op_be_RegParams = new_ir_op(beo_base + beo_RegParams, "RegParams", op_pin_state_pinned, N, oparity_zero, 0, sizeof(be_node_attr_t), &be_node_op_ops);
+ op_be_StackParam = new_ir_op(beo_base + beo_StackParam, "StackParam", op_pin_state_pinned, N, oparity_unary, 0, sizeof(be_frame_attr_t), &be_node_op_ops);
+ op_be_FrameAddr = new_ir_op(beo_base + beo_FrameAddr, "FrameAddr", op_pin_state_pinned, N, oparity_binary, 0, sizeof(be_frame_attr_t), &be_node_op_ops);
+ op_be_FrameLoad = new_ir_op(beo_base + beo_FrameLoad, "FrameLoad", op_pin_state_pinned, N, oparity_any, 0, sizeof(be_frame_attr_t), &be_node_op_ops);
+ op_be_FrameStore = new_ir_op(beo_base + beo_FrameStore, "FrameStore", op_pin_state_pinned, N, oparity_any, 0, sizeof(be_frame_attr_t), &be_node_op_ops);
+ op_be_Epilogue = new_ir_op(beo_base + beo_Epilogue, "Epilogue", op_pin_state_pinned, N, oparity_any, 0, sizeof(be_node_attr_t), &be_node_op_ops);
+
+ set_op_tag(op_be_Spill, &be_node_tag);
+ set_op_tag(op_be_Reload, &be_node_tag);
+ set_op_tag(op_be_Perm, &be_node_tag);
+ set_op_tag(op_be_Copy, &be_node_tag);
+ set_op_tag(op_be_Keep, &be_node_tag);
+ set_op_tag(op_be_CopyKeep, &be_node_tag);
+ set_op_tag(op_be_Call, &be_node_tag);
+ set_op_tag(op_be_Return, &be_node_tag);
+ set_op_tag(op_be_AddSP, &be_node_tag);
+ set_op_tag(op_be_SetSP, &be_node_tag);
+ set_op_tag(op_be_IncSP, &be_node_tag);
+ set_op_tag(op_be_RegParams, &be_node_tag);
+ set_op_tag(op_be_StackParam, &be_node_tag);
+ set_op_tag(op_be_FrameLoad, &be_node_tag);
+ set_op_tag(op_be_FrameStore, &be_node_tag);
+ set_op_tag(op_be_FrameAddr, &be_node_tag);
+ set_op_tag(op_be_Epilogue, &be_node_tag);
}
-static void *init_node_attr(ir_node* irn, const arch_register_class_t *cls, ir_graph *irg, int max_reg_data)
+static void *init_node_attr(ir_node* irn, int max_reg_data)
{
+ ir_graph *irg = get_irn_irg(irn);
be_node_attr_t *a = get_irn_attr(irn);
+ memset(a, 0, sizeof(get_op_attr_size(get_irn_op(irn))));
a->max_reg_data = max_reg_data;
- a->cls = cls;
a->reg_data = NULL;
if(max_reg_data > 0) {
a->reg_data = NEW_ARR_D(be_reg_data_t, get_irg_obstack(irg), max_reg_data);
memset(a->reg_data, 0, max_reg_data * sizeof(a->reg_data[0]));
for(i = 0; i < max_reg_data; ++i) {
- a->reg_data[i].req.req.cls = cls;
- a->reg_data[i].req.req.type = arch_register_req_type_normal;
+ a->reg_data[i].req.req.cls = NULL;
+ a->reg_data[i].req.req.type = arch_register_req_type_none;
}
}
const ir_node *n = *node;
if(is_Proj(n)) {
+ ir_node *irn;
+
assert(pos == -1 && "Illegal pos for a Proj");
- *node = get_Proj_pred(n);
+ *node = irn = get_Proj_pred(n);
+ if(is_Proj(irn)) {
+ assert(get_irn_mode(irn) == mode_T);
+ *node = get_Proj_pred(irn);
+ }
return get_Proj_proj(n);
}
}
-ir_node *be_new_Spill(const arch_register_class_t *cls, ir_graph *irg, ir_node *bl, ir_node *to_spill, ir_node *ctx)
+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 *ctx)
{
be_spill_attr_t *a;
- ir_node *in[1];
+ ir_node *in[2];
ir_node *res;
- in[0] = to_spill;
- res = new_ir_node(NULL, irg, bl, op_Spill, mode_M, 1, in);
- a = init_node_attr(res, cls, irg, 0);
+ 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);
a->frame_attr.ent = NULL;
a->frame_attr.offset = 0;
a->spill_ctx = ctx;
+
+ be_node_set_reg_class(res, 0, cls_frame);
+ be_node_set_reg_class(res, 1, cls);
return res;
}
-ir_node *be_new_Reload(const arch_register_class_t *cls, ir_graph *irg, ir_node *bl, ir_mode *mode, ir_node *mem)
+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 *in[1];
+ ir_node *in[2];
ir_node *res;
- in[0] = mem;
- res = new_ir_node(NULL, irg, bl, op_Reload, mode, 1, in);
- init_node_attr(res, cls, irg, 1);
+ in[0] = frame;
+ in[1] = mem;
+ res = new_ir_node(NULL, irg, bl, op_be_Reload, mode, 2, in);
+ init_node_attr(res, 2);
+ be_node_set_reg_class(res, 0, cls_frame);
+ be_node_set_reg_class(res, -1, cls);
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);
+}
+
ir_node *be_new_Perm(const arch_register_class_t *cls, ir_graph *irg, ir_node *bl, int n, ir_node *in[])
{
- ir_node *irn = new_ir_node(NULL, irg, bl, op_Perm, mode_T, n, in);
- init_node_attr(irn, cls, irg, n);
+ 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);
+ }
+
return irn;
}
ir_node *res;
in[0] = op;
- res = new_ir_node(NULL, irg, bl, op_Copy, get_irn_mode(op), 1, in);
- init_node_attr(res, cls, irg, 1);
+ 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);
return res;
}
ir_node *be_new_Keep(const arch_register_class_t *cls, ir_graph *irg, ir_node *bl, int n, ir_node *in[])
{
+ int i;
ir_node *irn;
- irn = new_ir_node(NULL, irg, bl, op_Keep, mode_ANY, n, in);
- init_node_attr(irn, cls, irg, 0);
+ irn = new_ir_node(NULL, irg, bl, op_be_Keep, mode_ANY, n, in);
+ init_node_attr(irn, n);
+ for(i = 0; i < n; ++i) {
+ be_node_set_reg_class(irn, i, cls);
+ }
keep_alive(irn);
return irn;
}
real_in[2] = ptr;
memcpy(&real_in[3], in, n * sizeof(in[0]));
- irn = new_ir_node(NULL, irg, bl, op_Call, mode_T, real_n, real_in);
- init_node_attr(irn, NULL, irg, (n_outs > real_n ? n_outs : real_n));
+ irn = new_ir_node(NULL, irg, bl, op_be_Call, mode_T, real_n, real_in);
+ init_node_attr(irn, (n_outs > real_n ? n_outs : real_n));
return irn;
}
+entity *be_Call_get_entity(const ir_node *call)
+{
+ be_call_attr_t *a = get_irn_attr(call);
+ assert(be_is_Call(call));
+ return a->ent;
+}
+
+void be_Call_set_entity(ir_node *call, entity *ent)
+{
+ be_call_attr_t *a = get_irn_attr(call);
+ assert(be_is_Call(call));
+ a->ent = ent;
+}
+
ir_node *be_new_Return(ir_graph *irg, ir_node *bl, int n, ir_node *in[])
{
- ir_node *irn = new_ir_node(NULL, irg, bl, op_Return, mode_X, n, in);
- init_node_attr(irn, NULL, irg, n);
+ ir_node *irn = new_ir_node(NULL, irg, bl, op_be_Return, mode_X, n, in);
+ init_node_attr(irn, n);
return irn;
}
in[0] = old_sp;
in[1] = mem;
- irn = new_ir_node(NULL, irg, bl, op_IncSP, sp->reg_class->mode, 2, in);
- a = init_node_attr(irn, sp->reg_class, irg, 1);
+ irn = new_ir_node(NULL, irg, bl, op_be_IncSP, sp->reg_class->mode, 2, in);
+ a = init_node_attr(irn, 1);
a->dir = dir;
a->offset = offset;
be_node_set_flags(irn, -1, arch_irn_flags_ignore);
/* Set output constraint to stack register. */
+ be_node_set_reg_class(irn, 0, sp->reg_class);
be_set_constr_single_reg(irn, -1, sp);
be_node_set_irn_reg(NULL, irn, 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 *op)
+ir_node *be_new_AddSP(const arch_register_t *sp, ir_graph *irg, ir_node *bl, ir_node *old_sp, ir_node *sz)
{
be_node_attr_t *a;
ir_node *irn;
- ir_node *in[2];
+ ir_node *in[be_pos_AddSP_last];
- in[0] = old_sp;
- in[1] = op;
- irn = new_ir_node(NULL, irg, bl, op_AddSP, sp->reg_class->mode, 2, in);
- a = init_node_attr(irn, sp->reg_class, irg, 1);
+ in[be_pos_AddSP_old_sp] = old_sp;
+ in[be_pos_AddSP_size] = sz;
- be_node_set_flags(irn, -1, arch_irn_flags_ignore);
+ 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(0), arch_irn_flags_ignore);
/* Set output constraint to stack register. */
- be_set_constr_single_reg(irn, -1, sp);
+ be_set_constr_single_reg(irn, OUT_POS(0), sp);
+
+ return irn;
+}
+
+ir_node *be_new_SetSP(const arch_register_t *sp, ir_graph *irg, ir_node *bl, ir_node *old_sp, ir_node *op, ir_node *mem)
+{
+ be_node_attr_t *a;
+ ir_node *irn;
+ ir_node *in[3];
+
+ in[0] = mem;
+ in[1] = old_sp;
+ in[2] = op;
+ irn = new_ir_node(NULL, irg, bl, op_be_SetSP, get_irn_mode(old_sp), 3, in);
+ a = init_node_attr(irn, 3);
+
+ be_node_set_flags(irn, OUT_POS(0), arch_irn_flags_ignore);
+
+ /* Set output constraint to stack register. */
+ be_set_constr_single_reg(irn, OUT_POS(0), sp);
+ be_node_set_reg_class(irn, 1, sp->reg_class);
+ be_node_set_reg_class(irn, 2, sp->reg_class);
be_node_set_irn_reg(NULL, irn, sp);
return irn;
}
-ir_node *be_new_StackParam(const arch_register_class_t *cls, ir_graph *irg, ir_node *bl, ir_mode *mode, ir_node *frame_pointer, entity *ent)
+ir_node *be_new_StackParam(const arch_register_class_t *cls, const arch_register_class_t *cls_frame, ir_graph *irg, ir_node *bl, ir_mode *mode, ir_node *frame_pointer, entity *ent)
{
be_frame_attr_t *a;
ir_node *irn;
ir_node *in[1];
in[0] = frame_pointer;
- irn = new_ir_node(NULL, irg, bl, op_StackParam, mode, 1, in);
- a = init_node_attr(irn, cls, irg, 1);
+ irn = new_ir_node(NULL, irg, bl, op_be_StackParam, mode, 1, in);
+ a = init_node_attr(irn, 1);
a->ent = ent;
+
+ be_node_set_reg_class(irn, 0, cls_frame);
+ be_node_set_reg_class(irn, OUT_POS(0), cls);
return irn;
}
ir_node *irn;
ir_node *in[1];
- irn = new_ir_node(NULL, irg, bl, op_RegParams, mode_T, 0, in);
- init_node_attr(irn, NULL, irg, n_outs);
+ irn = new_ir_node(NULL, irg, bl, op_be_RegParams, mode_T, 0, in);
+ init_node_attr(irn, n_outs);
return irn;
}
in[0] = mem;
in[1] = frame;
- irn = new_ir_node(NULL, irg, bl, op_FrameLoad, mode_T, 2, in);
- a = init_node_attr(irn, NULL, irg, 3);
+ irn = new_ir_node(NULL, irg, bl, op_be_FrameLoad, mode_T, 2, in);
+ a = init_node_attr(irn, 3);
a->ent = ent;
a->offset = 0;
be_node_set_reg_class(irn, 1, cls_frame);
- be_node_set_reg_class(irn, -(pn_Load_res + 1), cls_data);
+ be_node_set_reg_class(irn, OUT_POS(pn_Load_res), cls_data);
return irn;
}
in[0] = mem;
in[1] = frame;
in[2] = data;
- irn = new_ir_node(NULL, irg, bl, op_FrameStore, mode_T, 3, in);
- a = init_node_attr(irn, NULL, irg, 3);
+ irn = new_ir_node(NULL, irg, bl, op_be_FrameStore, mode_T, 3, in);
+ a = init_node_attr(irn, 3);
a->ent = ent;
a->offset = 0;
be_node_set_reg_class(irn, 1, cls_frame);
ir_node *in[1];
in[0] = frame;
- irn = new_ir_node(NULL, irg, bl, op_FrameAddr, get_irn_mode(frame), 1, in);
- a = init_node_attr(irn, NULL, irg, 1);
+ 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, -1, cls_frame);
+ be_node_set_reg_class(irn, OUT_POS(0), cls_frame);
+ return irn;
+}
+
+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]));
+
+ 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);
+ be_node_set_reg_class(irn, OUT_POS(0), cls);
+ be_node_set_reg_class(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)
+{
+ ir_node *in[1];
+
+ in[0] = keep;
+ return be_new_CopyKeep(cls, irg, bl, src, 1, in, mode);
+}
+
+ir_node *be_new_Epilogue(ir_graph *irg, ir_node *bl, int n, ir_node *in[])
+{
+ ir_node *irn;
+
+ irn = new_ir_node(NULL, irg, bl, op_be_Epilogue, mode_T, n, in);
+ init_node_attr(irn, n);
return irn;
}
int be_is_Call (const ir_node *irn) { return be_get_irn_opcode(irn) == beo_Call ; }
int be_is_Return (const ir_node *irn) { return be_get_irn_opcode(irn) == beo_Return ; }
int be_is_IncSP (const ir_node *irn) { return be_get_irn_opcode(irn) == beo_IncSP ; }
+int be_is_SetSP (const ir_node *irn) { return be_get_irn_opcode(irn) == beo_SetSP ; }
int be_is_AddSP (const ir_node *irn) { return be_get_irn_opcode(irn) == beo_AddSP ; }
int be_is_RegParams (const ir_node *irn) { return be_get_irn_opcode(irn) == beo_RegParams ; }
int be_is_StackParam (const ir_node *irn) { return be_get_irn_opcode(irn) == beo_StackParam ; }
int be_is_FrameAddr (const ir_node *irn) { return be_get_irn_opcode(irn) == beo_FrameAddr ; }
int be_is_FrameLoad (const ir_node *irn) { return be_get_irn_opcode(irn) == beo_FrameLoad ; }
int be_is_FrameStore (const ir_node *irn) { return be_get_irn_opcode(irn) == beo_FrameStore ; }
+int be_is_Epilogue (const ir_node *irn) { return be_get_irn_opcode(irn) == beo_Epilogue ; }
int be_has_frame_entity(const ir_node *irn)
{
switch(be_get_irn_opcode(irn)) {
case beo_StackParam:
case beo_Spill:
+ case beo_Reload:
case beo_FrameStore:
case beo_FrameLoad:
case beo_FrameAddr:
be_frame_attr_t *a = get_irn_attr(irn);
return a->ent;
}
-
- else if(be_get_irn_opcode(irn) == beo_Reload)
- return be_get_spill_entity(irn);
-
return NULL;
}
{
be_req_t *r = get_req(irn, pos);
r->req.cls = cls;
+ if(r->req.type == arch_register_req_type_none)
+ r->req.type = arch_register_req_type_normal;
}
void be_set_IncSP_offset(ir_node *irn, unsigned offset)
a->offset = offset;
}
-unsigned be_get_IncSP_offset(ir_node *irn)
+unsigned be_get_IncSP_offset(const ir_node *irn)
{
be_stack_attr_t *a = get_irn_attr(irn);
assert(be_is_IncSP(irn));
a->dir = dir;
}
-be_stack_dir_t be_get_IncSP_direction(ir_node *irn)
+be_stack_dir_t be_get_IncSP_direction(const ir_node *irn)
{
be_stack_attr_t *a = get_irn_attr(irn);
assert(be_is_IncSP(irn));
static ir_node *find_a_spill_walker(ir_node *irn, unsigned visited_nr)
{
- if(get_irn_visited(irn) < visited_nr) {
- set_irn_visited(irn, visited_nr);
+ unsigned nr = get_irn_visited(irn);
+
+ set_irn_visited(irn, visited_nr);
- if(is_Phi(irn)) {
- int i, n;
+ if(is_Phi(irn)) {
+ int i, n;
+ if(nr < visited_nr) {
for(i = 0, n = get_irn_arity(irn); i < n; ++i) {
ir_node *n = find_a_spill_walker(get_irn_n(irn, i), visited_nr);
if(n != NULL)
return n;
}
}
-
- else if(be_get_irn_opcode(irn) == beo_Spill)
- return irn;
}
+ else if(be_get_irn_opcode(irn) == beo_Spill)
+ return irn;
+
return NULL;
}
assert(be_is_Reload(irn));
set_irg_visited(irg, visited_nr);
- return find_a_spill_walker((ir_node *)irn, visited_nr);
+ return find_a_spill_walker(be_get_Reload_mem(irn), visited_nr);
}
entity *be_get_spill_entity(const ir_node *irn)
switch(be_get_irn_opcode(irn)) {
case beo_Reload:
- return be_get_spill_entity(find_a_spill(irn));
+ {
+ ir_node *spill = find_a_spill(irn);
+ return be_get_spill_entity(spill);
+ }
case beo_Spill:
{
be_spill_attr_t *a = get_irn_attr(irn);
}
default:
assert(0 && "Must give spill/reload node");
+ break;
}
return NULL;
}
-ir_node *be_spill(const arch_env_t *arch_env, ir_node *irn, ir_node *ctx)
+static void link_reload_walker(ir_node *irn, void *data)
+{
+ ir_node **root = (ir_node **) data;
+ if(be_is_Reload(irn)) {
+ set_irn_link(irn, *root);
+ *root = irn;
+ }
+}
+
+void be_copy_entities_to_reloads(ir_graph *irg)
{
- const arch_register_class_t *cls = arch_get_irn_reg_class(arch_env, irn, -1);
+ ir_node *irn = NULL;
+ irg_walk_graph(irg, link_reload_walker, NULL, (void *) &irn);
+ while(irn) {
+ be_frame_attr_t *a = get_irn_attr(irn);
+ entity *ent = be_get_spill_entity(irn);
+ a->ent = ent;
+ irn = get_irn_link(irn);
+ }
+}
+
+ir_node *be_spill(const arch_env_t *arch_env, ir_node *irn, ir_node *ctx)
+{
ir_node *bl = get_nodes_block(irn);
ir_graph *irg = get_irn_irg(bl);
- ir_node *spill = be_new_Spill(cls, irg, bl, irn, ctx);
+ ir_node *frame = get_irg_frame(irg);
+ ir_node *spill;
ir_node *insert;
+ 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);
+
+ spill = be_new_Spill(cls, cls_frame, irg, bl, frame, irn, ctx);
+
/*
* search the right insertion point. a spill of a phi cannot be put
* directly after the phi, if there are some phis behind the one which
- * is spilled.
+ * is spilled. Also, a spill of a Proj must be after all Projs of the
+ * same tuple node.
*/
insert = sched_next(irn);
- while(is_Phi(insert) && !sched_is_end(insert))
+ while((is_Phi(insert) || is_Proj(insert)) && !sched_is_end(insert))
insert = sched_next(insert);
+ /*
+ * Here's one special case:
+ * If the spill is in the start block, the spill must be after the frame
+ * pointer is set up. This is checked here and fixed.
+ * If the insertion point is already the block, everything is fine, since
+ * the Spill gets inserted at the end of the block.
+ */
+ if(bl == get_irg_start_block(irg) && insert != bl && sched_comes_after(insert, frame))
+ insert = sched_next(frame);
+
sched_add_before(insert, spill);
return spill;
}
-ir_node *be_reload(const arch_env_t *arch_env,
- const arch_register_class_t *cls,
- ir_node *irn, int pos, ir_mode *mode, ir_node *spill)
+ir_node *be_reload(const arch_env_t *arch_env, const arch_register_class_t *cls, ir_node *reloader, ir_mode *mode, ir_node *spill)
{
ir_node *reload;
- ir_node *bl = get_nodes_block(irn);
- ir_graph *irg = get_irn_irg(bl);
+ ir_node *bl = is_Block(reloader) ? reloader : get_nodes_block(reloader);
+ 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);
assert(be_is_Spill(spill) || (is_Phi(spill) && get_irn_mode(spill) == mode_M));
- reload = be_new_Reload(cls, irg, bl, mode, spill);
+ reload = be_new_Reload(cls, cls_frame, irg, bl, frame, spill, mode);
- set_irn_n(irn, pos, reload);
- sched_add_before(irn, reload);
+ sched_add_before(reloader, reload);
return reload;
}
return be_get_frame_entity(irn);
}
-static void be_node_set_stack_bias(const void *self, ir_node *irn, int bias)
+static void be_node_set_frame_offset(const void *self, ir_node *irn, int offset)
{
+ if(be_has_frame_entity(irn)) {
+ be_frame_attr_t *a = get_irn_attr(irn);
+ a->offset = offset;
+ }
}
be_node_classify,
be_node_get_flags,
be_node_get_frame_entity,
- be_node_set_stack_bias
+ be_node_set_frame_offset
};
static const arch_irn_ops_t be_node_irn_ops = {
static void dump_node_req(FILE *f, be_req_t *req)
{
- int i;
+ unsigned i;
int did_something = 0;
const char *suffix = "";
if(be_has_frame_entity(irn)) {
be_frame_attr_t *a = (be_frame_attr_t *) at;
- if (a->ent) {
- unsigned ofs = get_entity_offset_bytes(a->ent);
- ir_fprintf(f, "frame entity: %+F offset %x (%d)\n", a->ent, ofs, ofs);
- }
+ if (a->ent)
+ ir_fprintf(f, "frame entity: %+F offset %x (%d)\n", a->ent, a->offset, a->offset);
+
}
switch(be_get_irn_opcode(irn)) {
projects / libfirm / blobdiff