/*
- * 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.
*
* @brief Backend node support for generic backend nodes.
* @author Sebastian Hack
* @date 17.05.2005
- * @version $Id$
*
* Backend node support for generic backend nodes.
* This file provides Perm, Copy, Spill and Reload nodes.
#include "irprintf.h"
#include "irgwalk.h"
#include "iropt_t.h"
+#include "irbackedge_t.h"
+#include "irverify_t.h"
#include "be_t.h"
#include "belive_t.h"
#include "beirgmod.h"
+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 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 */
/** The be_IncSP attribute type. */
typedef struct {
+ 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
/** The be_Frame attribute type. */
typedef struct {
+ 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 base;
ir_entity *ent; /**< called entity if this is a static call. */
unsigned pop;
ir_type *call_tp; /**< call type, copied from the original Call */
} be_call_attr_t;
typedef struct {
- 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_SubSP;
ir_op *op_be_Start;
ir_op *op_be_FrameAddr;
-ir_op *op_be_Barrier;
/**
* 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)
+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);
*
* @return zero if both nodes have identically attributes
*/
-static int Return_cmp_attr(ir_node *a, ir_node *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);
*
* @return zero if both nodes have identically attributes
*/
-static int IncSP_cmp_attr(ir_node *a, ir_node *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);
*
* @return zero if both nodes have identically attributes
*/
-static int Call_cmp_attr(ir_node *a, ir_node *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);
}
}
-static void add_register_req_out(ir_node *node)
+static void add_register_req_in(ir_node *node, const arch_register_req_t *req)
{
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 add_register_req_in(ir_node *node)
-{
- backend_info_t *info = be_get_info(node);
- ARR_APP1(const arch_register_req_t*, info->in_reqs, arch_no_register_req);
+ ARR_APP1(const arch_register_req_t*, info->in_reqs, req);
}
ir_node *be_new_Spill(const arch_register_class_t *cls,
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, be_pos_Spill_frame, cls_frame);
- be_node_set_reg_class_in(res, be_pos_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, be_pos_Spill_frame, arch_no_register_req);
-
- arch_set_out_register_req(res, 0, arch_no_register_req);
+ 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);
+ arch_set_irn_register_req_out(res, 0, arch_no_register_req);
return 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;
init_node_attr(res, 2, 1);
be_node_set_reg_class_out(res, 0, cls);
- be_node_set_reg_class_in(res, be_pos_Reload_frame, cls_frame);
- arch_irn_set_flags(res, arch_irn_flags_rematerializable);
+ be_node_set_reg_class_in(res, n_be_Reload_frame, cls_frame);
+ arch_set_irn_flags(res, arch_irn_flags_rematerializable);
- /*
- * 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, be_pos_Reload_frame, arch_no_register_req);
+ 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;
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_node *block,
int n, ir_node *in[])
{
- int i;
- ir_graph *irg = get_Block_irg(block);
+ 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);
+ const ir_node *input = in[i];
+ const arch_register_req_t *req = arch_get_irn_register_req(input);
+ if (req->width == 1) {
+ be_set_constr_in(irn, i, cls->class_req);
+ be_set_constr_out(irn, i, cls->class_req);
+ } else {
+ arch_register_req_t *new_req = allocate_reg_req(irn);
+ new_req->cls = cls;
+ new_req->type = (req->type & arch_register_req_type_aligned);
+ new_req->width = req->width;
+ be_set_constr_in(irn, i, new_req);
+ be_set_constr_out(irn, i, new_req);
+ }
}
return irn;
return irn;
}
-ir_node *be_new_Copy(const arch_register_class_t *cls, ir_node *bl, ir_node *op)
+ir_node *be_new_Copy(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);
+ const arch_register_req_t *in_req = arch_get_irn_register_req(op);
+ const arch_register_class_t *cls = in_req->cls;
in[0] = op;
res = new_ir_node(NULL, irg, bl, op_be_Copy, get_irn_mode(op), 1, in);
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->type = arch_register_req_type_should_be_same
+ | (in_req->type & arch_register_req_type_aligned);
req->other_same = 1U << 0;
- req->width = 1;
+ req->width = in_req->width;
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);
+ 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);
+ set_irn_n(cpy, n_be_Copy_op, op);
}
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, 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) {
- add_irn_n(res, in[i]);
- add_register_req_in(res);
+ ir_node *pred = in[i];
+ add_irn_n(res, pred);
+ const arch_register_req_t *req = arch_get_irn_register_req(pred);
+ req = req->cls != NULL ? req->cls->class_req : arch_no_register_req;
+ add_register_req_in(res, req);
}
keep_alive(res);
void be_Keep_add_node(ir_node *keep, const arch_register_class_t *cls, ir_node *node)
{
- int n;
-
assert(be_is_Keep(keep));
- n = add_irn_n(keep, node);
- add_register_req_in(keep);
- be_node_set_reg_class_in(keep, n, cls);
+ add_irn_n(keep, node);
+ add_register_req_in(keep, cls->class_req);
}
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)
+ const arch_register_req_t *sp_req, ir_node *sp,
+ const arch_register_req_t *ptr_req, 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);
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 = (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;
+ be_set_constr_in(irn, n_be_Call_sp, sp_req);
+ be_set_constr_in(irn, n_be_Call_ptr, ptr_req);
return irn;
}
{
be_return_attr_t *a;
ir_node *res;
- int i;
- res = new_ir_node(dbg, irg, block, op_be_Return, mode_X, -1, NULL);
- init_node_attr(res, -1, 1);
- for (i = 0; i < n; ++i) {
- add_irn_n(res, in[i]);
- add_register_req_in(res);
- }
+ res = new_ir_node(dbg, irg, block, op_be_Return, mode_X, n, in);
+ init_node_attr(res, n, 1);
be_set_constr_out(res, 0, arch_no_register_req);
a = (be_return_attr_t*)get_irn_generic_attr(res);
- a->num_ret_vals = n_res;
- a->pop = pop;
- a->emit_pop = 0;
+ a->num_ret_vals = n_res;
+ a->pop = pop;
+ a->emit_pop = 0;
+ a->base.exc.pin_state = op_pin_state_pinned;
return res;
}
a->emit_pop = emit_pop;
}
-int be_Return_append_node(ir_node *ret, ir_node *node)
-{
- int pos;
-
- pos = add_irn_n(ret, node);
- add_register_req_in(ret);
-
- return pos;
-}
-
ir_node *be_new_IncSP(const arch_register_t *sp, ir_node *bl,
ir_node *old_sp, int offset, int align)
{
in[0] = old_sp;
irn = new_ir_node(NULL, irg, bl, op_be_IncSP, sp->reg_class->mode,
- sizeof(in) / sizeof(in[0]), in);
+ ARRAY_SIZE(in), in);
init_node_attr(irn, 1, 1);
- a = (be_incsp_attr_t*)get_irn_generic_attr(irn);
- a->offset = offset;
- a->align = align;
+ 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_in(irn, 0, sp->reg_class);
ir_node *sz)
{
ir_node *irn;
- ir_node *in[be_pos_AddSP_last];
- const arch_register_class_t *cls;
+ 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;
irg = get_Block_irg(bl);
- irn = new_ir_node(NULL, irg, bl, op_be_AddSP, mode_T, be_pos_AddSP_last, in);
- init_node_attr(irn, be_pos_AddSP_last, pn_be_AddSP_last);
+ 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_in(irn, be_pos_AddSP_old_sp, sp,
+ 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, be_pos_AddSP_size, arch_register_get_class(sp));
+ be_node_set_reg_class_in(irn, n_be_AddSP_size, sp->reg_class);
be_set_constr_single_reg_out(irn, pn_be_AddSP_sp, sp,
arch_register_req_type_produces_sp);
- cls = arch_register_get_class(sp);
-
return irn;
}
ir_node *be_new_SubSP(const arch_register_t *sp, ir_node *bl, ir_node *old_sp, ir_node *sz)
{
ir_node *irn;
- ir_node *in[be_pos_SubSP_last];
+ ir_node *in[n_be_SubSP_last];
ir_graph *irg;
+ be_node_attr_t *attr;
- in[be_pos_SubSP_old_sp] = old_sp;
- in[be_pos_SubSP_size] = sz;
+ in[n_be_SubSP_old_sp] = old_sp;
+ in[n_be_SubSP_size] = sz;
irg = get_Block_irg(bl);
- irn = new_ir_node(NULL, irg, bl, op_be_SubSP, mode_T, be_pos_SubSP_last, in);
- init_node_attr(irn, be_pos_SubSP_last, pn_be_SubSP_last);
+ 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_in(irn, be_pos_SubSP_old_sp, 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, be_pos_SubSP_size, arch_register_get_class(sp));
+ be_node_set_reg_class_in(irn, n_be_SubSP_size, sp->reg_class);
be_set_constr_single_reg_out(irn, pn_be_SubSP_sp, sp, arch_register_req_type_produces_sp);
return irn;
ir_node *be_new_Start(dbg_info *dbgi, ir_node *bl, int n_outs)
{
ir_node *res;
- int i;
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);
- for (i = 0; i < n_outs; ++i) {
- add_register_req_out(res);
- }
+ init_node_attr(res, 0, n_outs);
+ attr = (be_node_attr_t*) get_irn_generic_attr(res);
+ attr->exc.pin_state = op_pin_state_pinned;
return res;
}
in[0] = frame;
irn = new_ir_node(NULL, irg, bl, op_be_FrameAddr, get_irn_mode(frame), 1, in);
init_node_attr(irn, 1, 1);
- a = (be_frame_attr_t*)get_irn_generic_attr(irn);
- a->ent = ent;
- a->offset = 0;
+ 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);
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)
return attr->ent;
}
-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 *be_new_CopyKeep(ir_node *bl, ir_node *src, int n, ir_node *in_keep[])
{
ir_node *irn;
ir_node **in = ALLOCAN(ir_node*, n + 1);
ir_graph *irg = get_Block_irg(bl);
+ const arch_register_req_t *req = arch_get_irn_register_req(src);
+ const arch_register_class_t *cls = req->cls;
+ ir_mode *mode = get_irn_mode(src);
+ 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, 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);
+ for (int i = 0; i < n; ++i) {
+ ir_node *pred = in_keep[i];
+ const arch_register_req_t *req = arch_get_irn_register_req(pred);
+ req = req->cls != NULL ? req->cls->class_req : arch_no_register_req;
+ be_set_constr_in(irn, i+1, req);
+ }
return irn;
}
-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 *be_new_CopyKeep_single(ir_node *bl, ir_node *src, ir_node *keep)
{
- return be_new_CopyKeep(cls, bl, src, 1, &keep, mode);
+ return be_new_CopyKeep(bl, src, 1, &keep);
}
ir_node *be_get_CopyKeep_op(const ir_node *cpy)
{
- return get_irn_n(cpy, be_pos_CopyKeep_op);
+ return get_irn_n(cpy, n_be_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_node *bl, int n, ir_node *in[])
-{
- ir_node *res;
- int i;
- ir_graph *irg = get_Block_irg(bl);
-
- res = new_ir_node(NULL, irg, bl, op_be_Barrier, mode_T, -1, NULL);
- init_node_attr(res, -1, -1);
- for (i = 0; i < n; ++i) {
- add_irn_n(res, in[i]);
- add_register_req_in(res);
- add_register_req_out(res);
- }
-
- return res;
-}
-
-ir_node *be_Barrier_append_node(ir_node *barrier, ir_node *node)
-{
- ir_mode *mode = get_irn_mode(node);
- int n = add_irn_n(barrier, node);
-
- ir_node *proj = new_r_Proj(barrier, mode, n);
- add_register_req_in(barrier);
- add_register_req_out(barrier);
-
- return proj;
+ set_irn_n(cpy, n_be_CopyKeep_op, op);
}
static bool be_has_frame_entity(const ir_node *irn)
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);
}
- arch_irn_set_register(node, pos, reg);
+ arch_set_irn_register_out(node, pos, reg);
be_set_constr_out(node, pos, req);
}
return a->align;
}
-ir_node *be_spill(ir_node *block, ir_node *irn)
-{
- 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_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, block, frame, irn);
- return 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_Block_irg(bl);
- ir_node *frame = get_irg_frame(irg);
- 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, bl, frame, spill, mode);
-
- if (is_Block(insert)) {
- insert = sched_skip(insert, 0, sched_skip_cf_predicator, NULL);
- sched_add_after(insert, reload);
- } else {
- sched_add_before(insert, reload);
- }
-
- return reload;
-}
-
-
-static arch_irn_class_t be_node_classify(const ir_node *irn)
-{
- switch (get_irn_opcode(irn)) {
- 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;
- }
-}
-
static ir_entity *be_node_get_frame_entity(const ir_node *irn)
{
return be_get_frame_entity(irn);
/* for be nodes */
static const arch_irn_ops_t be_node_irn_ops = {
- be_node_classify,
be_node_get_frame_entity,
be_node_set_frame_offset,
be_node_get_sp_bias,
NULL, /* perform_memory_operand */
};
-static arch_irn_class_t dummy_classify(const ir_node *node)
+static int get_start_reg_index(ir_graph *irg, const arch_register_t *reg)
{
- (void) node;
- return arch_irn_class_none;
+ ir_node *start = get_irg_start(irg);
+ unsigned n_outs = arch_get_irn_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_irn_register_req_out(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;
+ }
+ panic("Tried querying undefined register '%s' at Start", reg->name);
+}
+
+ir_node *be_get_initial_reg_value(ir_graph *irg, const arch_register_t *reg)
+{
+ 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));
+
+ 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 new_r_Proj(start, mode, i);
+}
+
+int be_find_return_reg_input(ir_node *ret, const arch_register_t *reg)
+{
+ int arity = get_irn_arity(ret);
+ int i;
+ /* do a naive linear search... */
+ for (i = 0; i < arity; ++i) {
+ const arch_register_req_t *req = arch_get_irn_register_req_in(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;
+ }
+ panic("Tried querying undefined register '%s' at Return", reg->name);
}
static ir_entity* dummy_get_frame_entity(const ir_node *node)
{
(void) node;
(void) bias;
- panic("dummy_set_frame_offset() should not be called");
+ panic("should not be called");
}
static int dummy_get_sp_bias(const ir_node *node)
/* 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,
ir_node *be_new_Phi(ir_node *block, int n_ins, ir_node **ins, ir_mode *mode,
- const arch_register_class_t *cls)
+ const arch_register_req_t *req)
{
- 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);
+ ir_node *phi = new_ir_node(NULL, irg, block, op_Phi, mode, n_ins, ins);
+ phi->attr.phi.u.backedge = new_backedge_arr(irg->obst, n_ins);
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);
- 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;
}
-
+ irn_verify_irg(phi, irg);
+ phi = optimize_node(phi);
return phi;
}
assert(mode_is_datab(get_irn_mode(node)));
}
-void be_dump_phi_reg_reqs(FILE *F, ir_node *node, dump_reason_t reason)
+void be_dump_phi_reg_reqs(FILE *F, const ir_node *node, dump_reason_t reason)
{
switch (reason) {
case dump_node_opcode_txt:
}
static const arch_irn_ops_t phi_irn_ops = {
- dummy_classify,
dummy_get_frame_entity,
dummy_set_frame_offset,
dummy_get_sp_bias,
/**
* ir_op-Operation: dump a be node to file
*/
-static void dump_node(FILE *f, ir_node *irn, dump_reason_t reason)
+static void dump_node(FILE *f, const ir_node *irn, dump_reason_t reason)
{
assert(is_be_node(irn));
}
if (be_is_IncSP(irn)) {
const be_incsp_attr_t *attr = (const be_incsp_attr_t*)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);
- }
+ fprintf(f, " [%d] ", attr->offset);
}
break;
case dump_node_info_txt:
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);
- 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: %d\n", a->offset);
+ fprintf(f, "offset: %d\n", a->offset);
break;
}
case beo_Call: {
memcpy(new_attr, old_attr, get_op_attr_size(get_irn_op(old_node)));
+ new_info->flags = old_info->flags;
if (old_info->out_infos != NULL) {
- unsigned n_outs = ARR_LEN(old_info->out_infos);
+ size_t n_outs = ARR_LEN(old_info->out_infos);
/* need dyanmic out infos? */
- if (be_is_Barrier(new_node) || be_is_Perm(new_node)) {
+ 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);
}
}
-static const ir_op_ops be_node_op_ops = {
- firm_default_hash,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- copy_attr,
- NULL,
- NULL,
- NULL,
- NULL,
- dump_node,
- 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;
}
+static ir_op *new_be_op(unsigned code, const char *name, op_pin_state p,
+ irop_flags flags, op_arity opar, size_t attr_size)
+{
+ ir_op *res = new_ir_op(code, name, p, flags, opar, 0, attr_size);
+ res->ops.dump_node = dump_node;
+ res->ops.copy_attr = copy_attr;
+ res->ops.be_ops = &be_node_irn_ops;
+ return res;
+}
+
void be_init_op(void)
{
unsigned opc;
+ assert(op_be_Spill == NULL);
+
/* Acquire all needed opcodes. */
- op_be_Spill = new_ir_op(beo_Spill, "be_Spill", op_pin_state_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_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_pinned, irop_flag_none, oparity_variable, 0, 0, &be_node_op_ops);
- op_be_MemPerm = new_ir_op(beo_MemPerm, "be_MemPerm", op_pin_state_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_floats, irop_flag_none, oparity_unary, 0, 0, &be_node_op_ops);
- op_be_Keep = new_ir_op(beo_Keep, "be_Keep", op_pin_state_floats, irop_flag_keep, oparity_dynamic, 0, 0, &be_node_op_ops);
- op_be_CopyKeep = new_ir_op(beo_CopyKeep, "be_CopyKeep", op_pin_state_floats, irop_flag_keep, oparity_variable, 0, 0, &be_node_op_ops);
- op_be_Call = new_ir_op(beo_Call, "be_Call", op_pin_state_pinned, irop_flag_fragile|irop_flag_uses_memory, 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, 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_pinned, irop_flag_none, oparity_unary, 0, 0, &be_node_op_ops);
- op_be_SubSP = new_ir_op(beo_SubSP, "be_SubSP", op_pin_state_pinned, irop_flag_none, oparity_unary, 0, 0, &be_node_op_ops);
- op_be_IncSP = new_ir_op(beo_IncSP, "be_IncSP", op_pin_state_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_pinned, irop_flag_none, oparity_zero, 0, 0, &be_node_op_ops);
- op_be_FrameAddr = new_ir_op(beo_FrameAddr, "be_FrameAddr", op_pin_state_floats, irop_flag_none, 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, irop_flag_none, oparity_dynamic, 0, 0, &be_node_op_ops);
+ op_be_Spill = new_be_op(beo_Spill, "be_Spill", op_pin_state_exc_pinned, irop_flag_none, oparity_unary, sizeof(be_frame_attr_t));
+ op_be_Reload = new_be_op(beo_Reload, "be_Reload", op_pin_state_exc_pinned, irop_flag_none, oparity_zero, sizeof(be_frame_attr_t));
+ op_be_Perm = new_be_op(beo_Perm, "be_Perm", op_pin_state_exc_pinned, irop_flag_none, oparity_variable, sizeof(be_node_attr_t));
+ op_be_MemPerm = new_be_op(beo_MemPerm, "be_MemPerm", op_pin_state_exc_pinned, irop_flag_none, oparity_variable, sizeof(be_memperm_attr_t));
+ op_be_Copy = new_be_op(beo_Copy, "be_Copy", op_pin_state_exc_pinned, irop_flag_none, oparity_unary, sizeof(be_node_attr_t));
+ op_be_Keep = new_be_op(beo_Keep, "be_Keep", op_pin_state_exc_pinned, irop_flag_keep, oparity_dynamic, sizeof(be_node_attr_t));
+ op_be_CopyKeep = new_be_op(beo_CopyKeep, "be_CopyKeep", op_pin_state_exc_pinned, irop_flag_keep, oparity_variable, sizeof(be_node_attr_t));
+ op_be_Call = new_be_op(beo_Call, "be_Call", op_pin_state_exc_pinned, irop_flag_fragile|irop_flag_uses_memory, oparity_variable, sizeof(be_call_attr_t));
+ ir_op_set_memory_index(op_be_Call, n_be_Call_mem);
+ ir_op_set_fragile_indices(op_be_Call, pn_be_Call_X_regular, pn_be_Call_X_except);
+ op_be_Return = new_be_op(beo_Return, "be_Return", op_pin_state_exc_pinned, irop_flag_cfopcode, oparity_variable, sizeof(be_return_attr_t));
+ op_be_AddSP = new_be_op(beo_AddSP, "be_AddSP", op_pin_state_exc_pinned, irop_flag_none, oparity_unary, sizeof(be_node_attr_t));
+ op_be_SubSP = new_be_op(beo_SubSP, "be_SubSP", op_pin_state_exc_pinned, irop_flag_none, oparity_unary, sizeof(be_node_attr_t));
+ op_be_IncSP = new_be_op(beo_IncSP, "be_IncSP", op_pin_state_exc_pinned, irop_flag_none, oparity_unary, sizeof(be_incsp_attr_t));
+ op_be_Start = new_be_op(beo_Start, "be_Start", op_pin_state_exc_pinned, irop_flag_none, oparity_zero, sizeof(be_node_attr_t));
+ op_be_FrameAddr = new_be_op(beo_FrameAddr, "be_FrameAddr", op_pin_state_exc_pinned, irop_flag_none, oparity_unary, sizeof(be_frame_attr_t));
op_be_Spill->ops.node_cmp_attr = FrameAddr_cmp_attr;
op_be_Reload->ops.node_cmp_attr = FrameAddr_cmp_attr;
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;
- op_be_Barrier->ops.node_cmp_attr = be_nodes_equal;
/* attach out dummy_ops to middle end nodes */
for (opc = iro_First; opc <= iro_Last; ++opc) {
- ir_op *op = get_irp_opcode(opc);
+ ir_op *op = ir_get_opcode(opc);
assert(op->ops.be_ops == NULL);
op->ops.be_ops = &dummy_be_irn_ops;
}
op_Phi->ops.be_ops = &phi_irn_ops;
}
+
+void be_finish_op(void)
+{
+ free_ir_op(op_be_Spill); op_be_Spill = NULL;
+ free_ir_op(op_be_Reload); op_be_Reload = NULL;
+ free_ir_op(op_be_Perm); op_be_Perm = NULL;
+ free_ir_op(op_be_MemPerm); op_be_MemPerm = NULL;
+ free_ir_op(op_be_Copy); op_be_Copy = NULL;
+ free_ir_op(op_be_Keep); op_be_Keep = NULL;
+ free_ir_op(op_be_CopyKeep); op_be_CopyKeep = NULL;
+ free_ir_op(op_be_Call); op_be_Call = NULL;
+ free_ir_op(op_be_Return); op_be_Return = NULL;
+ free_ir_op(op_be_IncSP); op_be_IncSP = NULL;
+ free_ir_op(op_be_AddSP); op_be_AddSP = NULL;
+ free_ir_op(op_be_SubSP); op_be_SubSP = NULL;
+ free_ir_op(op_be_Start); op_be_Start = NULL;
+ free_ir_op(op_be_FrameAddr); op_be_FrameAddr = NULL;
+}
projects / libfirm / blobdiff