/**
* @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 "TEMPLATE_nodes_attr.h"
#include "TEMPLATE_new_nodes.h"
-#define SNPRINTF_BUF_LEN 128
-
-void TEMPLATE_emit_immediate(const ir_node *node)
+static void TEMPLATE_emit_immediate(const ir_node *node)
{
const TEMPLATE_attr_t *attr = get_TEMPLATE_attr_const(node);
- be_emit_tarval(attr->value);
+ be_emit_irprintf("%T", attr->value);
}
static void emit_register(const arch_register_t *reg)
be_emit_string(arch_register_get_name(reg));
}
-void TEMPLATE_emit_source_register(const ir_node *node, int pos)
+static void TEMPLATE_emit_source_register(const ir_node *node, int pos)
{
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)
+static void TEMPLATE_emit_dest_register(const ir_node *node, int pos)
{
const arch_register_t *reg = arch_get_irn_register_out(node, pos);
emit_register(reg);
be_gas_emit_block_name(block);
}
+void TEMPLATE_emitf(const ir_node *node, const char *format, ...)
+{
+ va_list ap;
+ va_start(ap, format);
+ be_emit_char('\t');
+ for (;;) {
+ const char *start = format;
+ while (*format != '%' && *format != '\0')
+ ++format;
+ be_emit_string_len(start, format-start);
+ if (*format == '\0')
+ break;
+ ++format;
+
+ switch (*format++) {
+ case '%':
+ be_emit_char('%');
+ break;
+
+ case 'S': {
+ if (*format < '0' || '9' <= *format)
+ goto unknown;
+ unsigned const pos = *format++ - '0';
+ TEMPLATE_emit_source_register(node, pos);
+ break;
+ }
+
+ case 'D': {
+ if (*format < '0' || '9' <= *format)
+ goto unknown;
+ unsigned const pos = *format++ - '0';
+ TEMPLATE_emit_dest_register(node, pos);
+ break;
+ }
+
+ case 'I':
+ TEMPLATE_emit_immediate(node);
+ break;
+
+ case 'X': {
+ int num = va_arg(ap, int);
+ be_emit_irprintf("%X", num);
+ break;
+ }
+
+ case 'u': {
+ unsigned num = va_arg(ap, unsigned);
+ be_emit_irprintf("%u", num);
+ break;
+ }
+
+ case 'd': {
+ int num = va_arg(ap, int);
+ be_emit_irprintf("%d", num);
+ break;
+ }
+
+ case 's': {
+ const char *string = va_arg(ap, const char *);
+ be_emit_string(string);
+ break;
+ }
+
+ case 'L': {
+ TEMPLATE_emit_cfop_target(node);
+ break;
+ }
+
+ case '\n':
+ be_emit_char('\n');
+ be_emit_write_line();
+ be_emit_char('\t');
+ break;
+
+ default:
+unknown:
+ panic("unknown format conversion in arm_emitf()");
+ }
+ }
+ va_end(ap);
+ be_emit_finish_line_gas(node);
+}
/**
* Emits code for a unconditional jump.
*/
static void emit_TEMPLATE_Jmp(const ir_node *node)
{
- be_emit_cstring("\tjmp ");
- TEMPLATE_emit_cfop_target(node);
- be_emit_finish_line_gas(node);
+ TEMPLATE_emitf(node, "jmp %L");
}
static void emit_be_IncSP(const ir_node *node)
return;
/* downwards growing stack */
- if (offset > 0) {
- be_emit_cstring("\tsub ");
- } else {
- be_emit_cstring("\tadd ");
+ const char *op = "add";
+ if (offset < 0) {
+ op = "sub";
offset = -offset;
}
- TEMPLATE_emit_source_register(node, 0);
- be_emit_irprintf(", %d, ", offset);
- TEMPLATE_emit_dest_register(node, 0);
- be_emit_finish_line_gas(node);
+ TEMPLATE_emitf(node, "%s %S0, %d, %D0", op, offset);
}
static void emit_be_Start(const ir_node *node)
/* 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);
+ TEMPLATE_emitf(node, "sub %%sp, %u, %%sp", size);
}
}
/* 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);
+ TEMPLATE_emitf(node, "add %%sp, %u, %%sp", size);
}
/* return */
- be_emit_cstring("\tret");
- be_emit_finish_line_gas(node);
+ TEMPLATE_emitf(node, "ret");
}
static void emit_nothing(const ir_node *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();
*/
static void TEMPLATE_emit_block(ir_node *block)
{
- ir_node *node;
-
- be_gas_emit_block_name(block);
- be_emit_cstring(":\n");
- be_emit_write_line();
+ be_gas_begin_block(block, true);
sched_foreach(block, node) {
TEMPLATE_emit_node(node);
block_schedule = be_create_block_schedule(irg);
/* emit assembler prolog */
- be_gas_emit_function_prolog(entity, 4);
+ be_gas_emit_function_prolog(entity, 4, NULL);
/* populate jump link fields with their destinations */
irg_block_walk_graph(irg, TEMPLATE_gen_labels, NULL, NULL);
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