#include "irnode_t.h"
#include "ircons_t.h"
#include "irprintf.h"
+#include "irgwalk.h"
#include "be_t.h"
#include "belive_t.h"
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. */
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_FrameAddr;
ir_op *op_be_FrameLoad;
ir_op *op_be_FrameStore;
+ir_op *op_be_Epilogue;
static int beo_base = -1;
beo_base = get_next_ir_opcodes(beo_Last - 1);
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_node_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_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_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_stack_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_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_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, 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->reg_data = NULL;
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_get_Reload_mem)(const ir_node *irn)
{
assert(be_is_Reload(irn));
- return get_irn_n(irn, 1);
+ 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[])
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_be_Return, mode_X, n, in);
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[be_pos_AddSP_old_sp] = old_sp;
+ in[be_pos_AddSP_size] = sz;
- in[0] = old_sp;
- in[1] = op;
- irn = new_ir_node(NULL, irg, bl, op_be_AddSP, sp->reg_class->mode, 2, in);
- a = init_node_attr(irn, 1);
+ 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, OUT_POS(0), sp);
- be_node_set_irn_reg(NULL, irn, sp);
return irn;
}
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_Spill (const ir_node *irn) { return be_get_irn_opcode(irn) == beo_Spill ; }
int be_is_Reload (const ir_node *irn) { return be_get_irn_opcode(irn) == beo_Reload ; }
int be_is_Copy (const ir_node *irn) { return be_get_irn_opcode(irn) == beo_Copy ; }
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;
}
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);
- if(is_Phi(irn)) {
- int i, n;
+ set_irn_visited(irn, visited_nr);
+
+ 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;
}
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;
}
+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)
+{
+ 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);
* 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))
+ if(bl == get_irg_start_block(irg) && insert != bl && sched_comes_after(insert, frame))
insert = sched_next(frame);
sched_add_before(insert, spill);
projects / libfirm / blobdiff