/**
* @file
* @brief emit assembler for a backend graph
- * @version $Id$
*/
#include "config.h"
#include "irargs_t.h"
#include "irprog.h"
-#include "../besched.h"
-#include "../begnuas.h"
-#include "../beblocksched.h"
-#include "../benode.h"
+#include "besched.h"
+#include "begnuas.h"
+#include "beblocksched.h"
+#include "benode.h"
#include "TEMPLATE_emitter.h"
#include "gen_TEMPLATE_emitter.h"
+#include "gen_TEMPLATE_regalloc_if.h"
#include "TEMPLATE_nodes_attr.h"
#include "TEMPLATE_new_nodes.h"
#define SNPRINTF_BUF_LEN 128
-/**
- * Returns the register at in position pos.
- */
-static const arch_register_t *get_in_reg(const ir_node *node, int pos)
-{
- ir_node *op;
- const arch_register_t *reg = NULL;
-
- assert(get_irn_arity(node) > pos && "Invalid IN position");
-
- /* The out register of the operator at position pos is the
- in register we need. */
- op = get_irn_n(node, pos);
-
- reg = arch_get_irn_register(op);
-
- assert(reg && "no in register found");
- return reg;
-}
-
-/**
- * Returns the register at out position pos.
- */
-static const arch_register_t *get_out_reg(const ir_node *node, int pos)
+void TEMPLATE_emit_immediate(const ir_node *node)
{
- ir_node *proj;
- const arch_register_t *reg = NULL;
-
- /* 1st case: irn is not of mode_T, so it has only */
- /* one OUT register -> good */
- /* 2nd case: irn is of mode_T -> collect all Projs and ask the */
- /* Proj with the corresponding projnum for the register */
-
- if (get_irn_mode(node) != mode_T) {
- reg = arch_get_irn_register(node);
- } else if (is_TEMPLATE_irn(node)) {
- reg = arch_irn_get_register(node, pos);
- } else {
- const ir_edge_t *edge;
-
- foreach_out_edge(node, edge) {
- proj = get_edge_src_irn(edge);
- assert(is_Proj(proj) && "non-Proj from mode_T node");
- if (get_Proj_proj(proj) == pos) {
- reg = arch_get_irn_register(proj);
- break;
- }
- }
- }
-
- assert(reg && "no out register found");
- return reg;
+ const TEMPLATE_attr_t *attr = get_TEMPLATE_attr_const(node);
+ be_emit_tarval(attr->value);
}
-
-
-void TEMPLATE_emit_immediate(const ir_node *node)
+static void emit_register(const arch_register_t *reg)
{
- const TEMPLATE_attr_t *attr = get_irn_generic_attr_const(node);
- be_emit_tarval(attr->value);
+ be_emit_string(arch_register_get_name(reg));
}
void TEMPLATE_emit_source_register(const ir_node *node, int pos)
{
- const arch_register_t *reg = get_in_reg(node, pos);
- be_emit_string(arch_register_get_name(reg));
+ const arch_register_t *reg = arch_get_irn_register_in(node, pos);
+ emit_register(reg);
}
void TEMPLATE_emit_dest_register(const ir_node *node, int pos)
{
- const arch_register_t *reg = get_out_reg(node, pos);
- be_emit_string(arch_register_get_name(reg));
+ const arch_register_t *reg = arch_get_irn_register_out(node, pos);
+ emit_register(reg);
}
/**
*/
static void TEMPLATE_emit_cfop_target(const ir_node *node)
{
- ir_node *block = get_irn_link(node);
+ ir_node *block = (ir_node*)get_irn_link(node);
be_gas_emit_block_name(block);
}
be_emit_finish_line_gas(node);
}
+static void emit_be_Start(const ir_node *node)
+{
+ ir_graph *irg = get_irn_irg(node);
+ ir_type *frame_type = get_irg_frame_type(irg);
+ unsigned size = get_type_size_bytes(frame_type);
+
+ /* emit function prolog */
+
+ /* allocate stackframe */
+ if (size > 0) {
+ be_emit_cstring("\tsub ");
+ emit_register(&TEMPLATE_registers[REG_SP]);
+ be_emit_irprintf(", %u, ", size);
+ emit_register(&TEMPLATE_registers[REG_SP]);
+ be_emit_finish_line_gas(node);
+ }
+}
+
static void emit_be_Return(const ir_node *node)
{
+ ir_graph *irg = get_irn_irg(node);
+ ir_type *frame_type = get_irg_frame_type(irg);
+ unsigned size = get_type_size_bytes(frame_type);
+
+ /* emit function epilog here */
+
+ /* deallocate stackframe */
+ if (size > 0) {
+ be_emit_cstring("\tadd ");
+ emit_register(&TEMPLATE_registers[REG_SP]);
+ be_emit_irprintf(", %u, ", size);
+ emit_register(&TEMPLATE_registers[REG_SP]);
+ be_emit_finish_line_gas(node);
+ }
+
+ /* return */
be_emit_cstring("\tret");
be_emit_finish_line_gas(node);
}
static void TEMPLATE_register_emitters(void)
{
/* first clear the generic function pointer for all ops */
- clear_irp_opcodes_generic_func();
+ ir_clear_opcodes_generic_func();
/* register all emitter functions defined in spec */
TEMPLATE_register_spec_emitters();
/* custom emitters not provided by the spec */
set_emitter(op_TEMPLATE_Jmp, emit_TEMPLATE_Jmp);
- set_emitter(op_be_Return, emit_be_Return);
set_emitter(op_be_IncSP, emit_be_IncSP);
+ set_emitter(op_be_Return, emit_be_Return);
+ set_emitter(op_be_Start, emit_be_Start);
/* no need to emit anything for the following nodes */
set_emitter(op_Phi, emit_nothing);
set_emitter(op_be_Keep, emit_nothing);
- set_emitter(op_be_Start, emit_nothing);
- set_emitter(op_be_Barrier, emit_nothing);
}
typedef void (*emit_func_ptr) (const ir_node *);
{
ir_node **block_schedule;
ir_entity *entity = get_irg_entity(irg);
- int i;
- int n;
+ size_t i;
+ size_t n;
/* register all emitter functions */
TEMPLATE_register_emitters();