C++ (Cpp) arch_set_irn_register_outの例

コード例 #1

ファイル: benode.c プロジェクト: TehMillhouse/libfirm

ir_node *be_new_Start(ir_graph *const irg, be_start_out const *const outs)
{
	ir_node *const block  = get_irg_start_block(irg);
	ir_node *const start  = new_ir_node(NULL, irg, block, op_be_Start, mode_T, 0, NULL);
	unsigned const n_regs = isa_if->n_registers;

	/* Count the number of outsputs. */
	unsigned k = 1; /* +1 for memory */
	for (unsigned i = 0; i != n_regs; ++i) {
		if (outs[i] != BE_START_NO)
			++k;
	}

	be_info_init_irn(start, arch_irn_flag_schedule_first, NULL, k);

	/* Set out requirements and registers. */
	unsigned l = 0;
	arch_set_irn_register_req_out(start, l++, arch_memory_req);
	arch_register_t const *const regs = isa_if->registers;
	for (unsigned i = 0; i != n_regs; ++i) {
		if (outs[i] != BE_START_NO) {
			arch_register_t     const *const reg    = &regs[i];
			bool                       const ignore = outs[i] == BE_START_IGNORE;
			arch_register_req_t const *const req    = be_create_reg_req(irg, reg, ignore);
			arch_set_irn_register_req_out(start, l, req);
			arch_set_irn_register_out(    start, l, reg);
			++l;
		}
	}
	assert(l == k);

	return start;
}

コード例 #2

ファイル: benode.c プロジェクト: TehMillhouse/libfirm

ir_node *be_new_Copy_before_reg(ir_node *const val, ir_node *const before, arch_register_t const *const reg)
{
	ir_node *const block = get_nodes_block(before);
	ir_node *const copy  = be_new_Copy(block, val);
	sched_add_before(before, copy);
	arch_set_irn_register_out(copy, 0, reg);
	return copy;
}

コード例 #3

ファイル: bearch.c プロジェクト: davidgiven/libfirm

void be_make_start_out(be_start_info_t *const info, ir_node *const start,
					   unsigned const pos, arch_register_t const *const reg,
					   bool const ignore)
{
	info->pos = pos;
	info->irn = NULL;
	arch_register_req_t const *const req = ignore
		? be_create_reg_req(be_get_be_obst(get_irn_irg(start)), reg, true)
		: reg->single_req;
	arch_set_irn_register_req_out(start, pos, req);
	arch_set_irn_register_out(start, pos, reg);
}