/**
* @file
* @brief The main sparc backend driver file.
+ * @author Hannes Rapp, Matthias Braun
* @version $Id$
*/
#include "config.h"
#include "irtools.h"
#include "irdump.h"
#include "lowering.h"
+#include "lower_dw.h"
#include "bitset.h"
#include "debug.h"
static arch_irn_class_t sparc_classify(const ir_node *node)
{
(void) node;
- return 0;
+ return arch_irn_class_none;
}
static ir_entity *sparc_get_frame_entity(const ir_node *node)
static int sparc_get_sp_bias(const ir_node *node)
{
if (is_sparc_Save(node)) {
- const sparc_save_attr_t *attr = get_sparc_save_attr_const(node);
- /* Note we do not retport the change of the SPARC_MIN_STACKSIZE
+ const sparc_attr_t *attr = get_sparc_attr_const(node);
+ if (get_irn_arity(node) == 3)
+ panic("no support for _reg variant yet");
+
+ /* Note we do not report the change of the SPARC_MIN_STACKSIZE
* size, since we have additional magic in the emitter which
* calculates that! */
- assert(attr->initial_stacksize >= SPARC_MIN_STACKSIZE);
- return attr->initial_stacksize - SPARC_MIN_STACKSIZE;
+ assert(attr->immediate_value <= -SPARC_MIN_STACKSIZE);
+ return attr->immediate_value + SPARC_MIN_STACKSIZE;
+ } else if (is_sparc_RestoreZero(node)) {
+ return SP_BIAS_RESET;
}
return 0;
}
/* fill register allocator interface */
-static const arch_irn_ops_t sparc_irn_ops = {
+const arch_irn_ops_t sparc_irn_ops = {
sparc_classify,
sparc_get_frame_entity,
sparc_set_frame_offset,
{
ir_node *block = get_nodes_block(node);
dbg_info *dbgi = get_irn_dbg_info(node);
- ir_node *ptr = get_irn_n(node, be_pos_Spill_frame);
- ir_node *mem = get_irn_n(node, be_pos_Reload_mem);
+ ir_node *ptr = get_irn_n(node, n_be_Spill_frame);
+ ir_node *mem = get_irn_n(node, n_be_Reload_mem);
ir_mode *mode = get_irn_mode(node);
ir_entity *entity = be_get_frame_entity(node);
const arch_register_t *reg;
{
ir_node *block = get_nodes_block(node);
dbg_info *dbgi = get_irn_dbg_info(node);
- ir_node *ptr = get_irn_n(node, be_pos_Spill_frame);
+ ir_node *ptr = get_irn_n(node, n_be_Spill_frame);
ir_graph *irg = get_irn_irg(node);
- ir_node *mem = new_r_NoMem(irg);
- ir_node *val = get_irn_n(node, be_pos_Spill_val);
+ ir_node *mem = get_irg_no_mem(irg);
+ ir_node *val = get_irn_n(node, n_be_Spill_val);
ir_mode *mode = get_irn_mode(val);
ir_entity *entity = be_get_frame_entity(node);
ir_node *sched_point;
static void sparc_collect_frame_entity_nodes(ir_node *node, void *data)
{
- be_fec_env_t *env = data;
+ be_fec_env_t *env = (be_fec_env_t*)data;
const ir_mode *mode;
int align;
ir_entity *entity;
static void sparc_after_ra(ir_graph *irg)
{
- be_fec_env_t *fec_env = be_new_frame_entity_coalescer(irg);
+ be_stack_layout_t *stack_layout = be_get_irg_stack_layout(irg);
+ bool at_begin = stack_layout->sp_relative ? true : false;
+ be_fec_env_t *fec_env = be_new_frame_entity_coalescer(irg);
irg_walk_graph(irg, NULL, sparc_collect_frame_entity_nodes, fec_env);
- be_assign_entities(fec_env, sparc_set_frame_entity);
+ be_assign_entities(fec_env, sparc_set_frame_entity, at_begin);
be_free_frame_entity_coalescer(fec_env);
irg_block_walk_graph(irg, NULL, sparc_after_ra_walker, NULL);
+
+ sparc_introduce_prolog_epilog(irg);
}
static void sparc_init_graph(ir_graph *irg)
(void) irg;
}
-const arch_isa_if_t sparc_isa_if;
+extern const arch_isa_if_t sparc_isa_if;
static sparc_isa_t sparc_isa_template = {
{
&sparc_isa_if, /* isa interface implementation */
- &sparc_gp_regs[REG_SP], /* stack pointer register */
- &sparc_gp_regs[REG_FRAME_POINTER], /* base pointer register */
+ N_SPARC_REGISTERS,
+ sparc_registers,
+ N_SPARC_CLASSES,
+ sparc_reg_classes,
+ &sparc_registers[REG_SP], /* stack pointer register */
+ &sparc_registers[REG_FRAME_POINTER],/* base pointer register */
&sparc_reg_classes[CLASS_sparc_gp], /* link pointer register class */
- -1, /* stack direction */
3, /* power of two stack alignment
for calls */
NULL, /* main environment */
part_block(node);
{
- ir_node *block = get_nodes_block(node);
- ir_node *unsigned_x = get_Conv_op(node);
- ir_mode *mode_u = get_irn_mode(unsigned_x);
- ir_mode *mode_s = find_signed_mode(mode_u);
- ir_mode *mode_d = mode_D;
- ir_node *signed_x = new_rd_Conv(dbgi, block, unsigned_x, mode_s);
- ir_node *res = new_rd_Conv(dbgi, block, signed_x, mode_d);
- ir_node *zero = new_r_Const(irg, get_mode_null(mode_s));
- ir_node *cmp = new_rd_Cmp(dbgi, block, signed_x, zero);
- ir_node *proj_lt = new_r_Proj(cmp, mode_b, pn_Cmp_Lt);
- ir_node *cond = new_rd_Cond(dbgi, block, proj_lt);
- ir_node *proj_true = new_r_Proj(cond, mode_X, pn_Cond_true);
- ir_node *proj_false = new_r_Proj(cond, mode_X, pn_Cond_false);
- ir_node *in_true[1] = { proj_true };
- ir_node *in_false[1] = { proj_false };
- ir_node *true_block = new_r_Block(irg, ARRAY_SIZE(in_true), in_true);
- ir_node *false_block = new_r_Block(irg, ARRAY_SIZE(in_false),in_false);
- ir_node *true_jmp = new_r_Jmp(true_block);
- ir_node *false_jmp = new_r_Jmp(false_block);
- tarval *correction = new_tarval_from_double(4294967296., mode_d);
- ir_node *c_const = new_r_Const(irg, correction);
- ir_node *fadd = new_rd_Add(dbgi, true_block, res, c_const,
+ ir_node *block = get_nodes_block(node);
+ ir_node *unsigned_x = get_Conv_op(node);
+ ir_mode *mode_u = get_irn_mode(unsigned_x);
+ ir_mode *mode_s = find_signed_mode(mode_u);
+ ir_mode *mode_d = mode_D;
+ ir_node *signed_x = new_rd_Conv(dbgi, block, unsigned_x, mode_s);
+ ir_node *res = new_rd_Conv(dbgi, block, signed_x, mode_d);
+ ir_node *zero = new_r_Const(irg, get_mode_null(mode_s));
+ ir_node *cmp = new_rd_Cmp(dbgi, block, signed_x, zero,
+ ir_relation_less);
+ ir_node *cond = new_rd_Cond(dbgi, block, cmp);
+ ir_node *proj_true = new_r_Proj(cond, mode_X, pn_Cond_true);
+ ir_node *proj_false = new_r_Proj(cond, mode_X, pn_Cond_false);
+ ir_node *in_true[1] = { proj_true };
+ ir_node *in_false[1] = { proj_false };
+ ir_node *true_block = new_r_Block(irg, ARRAY_SIZE(in_true), in_true);
+ ir_node *false_block = new_r_Block(irg, ARRAY_SIZE(in_false),in_false);
+ ir_node *true_jmp = new_r_Jmp(true_block);
+ ir_node *false_jmp = new_r_Jmp(false_block);
+ ir_tarval *correction = new_tarval_from_double(4294967296., mode_d);
+ ir_node *c_const = new_r_Const(irg, correction);
+ ir_node *fadd = new_rd_Add(dbgi, true_block, res, c_const,
mode_d);
ir_node *lower_in[2] = { true_jmp, false_jmp };
rt_iMod.mem_proj_nr = pn_Mod_M;
rt_iMod.regular_proj_nr = pn_Mod_X_regular;
rt_iMod.exc_proj_nr = pn_Mod_X_except;
- rt_iMod.exc_mem_proj_nr = pn_Mod_M;
rt_iMod.res_proj_nr = pn_Mod_res;
set_entity_visibility(rt_iMod.ent, ir_visibility_external);
rt_uMod.mem_proj_nr = pn_Mod_M;
rt_uMod.regular_proj_nr = pn_Mod_X_regular;
rt_uMod.exc_proj_nr = pn_Mod_X_except;
- rt_uMod.exc_mem_proj_nr = pn_Mod_M;
rt_uMod.res_proj_nr = pn_Mod_res;
set_entity_visibility(rt_uMod.ent, ir_visibility_external);
*/
static arch_env_t *sparc_init(FILE *outfile)
{
- static int run_once = 0;
- sparc_isa_t *isa;
-
- if (run_once)
- return NULL;
- run_once = 1;
-
- isa = XMALLOC(sparc_isa_t);
- memcpy(isa, &sparc_isa_template, sizeof(*isa));
+ sparc_isa_t *isa = XMALLOC(sparc_isa_t);
+ *isa = sparc_isa_template;
isa->constants = pmap_create();
be_emit_init(outfile);
*/
static void sparc_done(void *self)
{
- sparc_isa_t *isa = self;
+ sparc_isa_t *isa = (sparc_isa_t*)self;
/* emit now all global declarations */
be_gas_emit_decls(isa->base.main_env);
free(isa);
}
-static unsigned sparc_get_n_reg_class(void)
-{
- return N_CLASSES;
-}
-
-static const arch_register_class_t *sparc_get_reg_class(unsigned i)
-{
- assert(i < N_CLASSES);
- return &sparc_reg_classes[i];
-}
-
-
/**
* Get the register class which shall be used to store a value of a given mode.
return get_mode_size_bytes(mode);
}
+static ir_node *sparc_create_set(ir_node *cond)
+{
+ return ir_create_cond_set(cond, mode_Iu);
+}
+
static void sparc_lower_for_target(void)
{
- int i;
- int n_irgs = get_irp_n_irgs();
+ size_t i, n_irgs = get_irp_n_irgs();
+ lower_mode_b_config_t lower_mode_b_config = {
+ mode_Iu,
+ sparc_create_set,
+ 0,
+ };
+ lower_params_t params = {
+ 4, /* def_ptr_alignment */
+ LF_COMPOUND_RETURN | LF_RETURN_HIDDEN, /* flags */
+ ADD_HIDDEN_ALWAYS_IN_FRONT, /* hidden_params */
+ NULL, /* find pointer type */
+ NULL, /* ret_compound_in_regs */
+ };
+ lower_calls_with_compounds(¶ms);
- /* TODO, doubleword lowering and others */
+ sparc_lower_64bit();
for (i = 0; i < n_irgs; ++i) {
ir_graph *irg = get_irp_irg(i);
- lower_switch(irg, 256, false);
+ ir_lower_mode_b(irg, &lower_mode_b_config);
+ lower_switch(irg, 4, 256, false);
}
}
static int sparc_is_mux_allowed(ir_node *sel, ir_node *mux_false,
ir_node *mux_true)
{
- (void) sel;
- (void) mux_false;
- (void) mux_true;
+ ir_graph *irg = get_irn_irg(sel);
+ ir_mode *mode = get_irn_mode(mux_true);
+
+ if (get_irg_phase_state(irg) == phase_low)
+ return false;
+
+ if (!mode_is_int(mode) && !mode_is_reference(mode) && mode != mode_b)
+ return false;
+ if (is_Const(mux_true) && is_Const_one(mux_true) &&
+ is_Const(mux_false) && is_Const_null(mux_false))
+ return true;
return false;
}
0, /* no inline assembly */
0, /* no support for RotL nodes */
1, /* big endian */
- sparc_lower_for_target, /* lowering callback */
&arch_dep, /* will be set later */
sparc_is_mux_allowed, /* parameter for if conversion */
+ 32, /* machine size */
NULL, /* float arithmetic mode */
+ 128, /* size of long double */
0, /* no trampoline support: size 0 */
0, /* no trampoline support: align 0 */
NULL, /* no trampoline support: no trampoline builder */
const arch_isa_if_t sparc_isa_if = {
sparc_init,
+ sparc_lower_for_target,
sparc_done,
NULL, /* handle intrinsics */
- sparc_get_n_reg_class,
- sparc_get_reg_class,
sparc_get_reg_class_for_mode,
NULL,
sparc_get_reg_class_alignment,
sparc_prepare_graph,
sparc_before_ra,
sparc_after_ra,
- NULL, /* finish */
+ sparc_finish,
sparc_emit_routine,
+ NULL, /* register_saved_by */
};
-BE_REGISTER_MODULE_CONSTRUCTOR(be_init_arch_sparc);
+BE_REGISTER_MODULE_CONSTRUCTOR(be_init_arch_sparc)
void be_init_arch_sparc(void)
{
be_register_isa_if("sparc", &sparc_isa_if);
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