heights_t *heights = NULL;
-static const arch_register_req_t no_register_req = {
- arch_register_req_type_none,
- NULL, /* regclass */
- NULL, /* limit bitset */
- 0, /* same pos */
- 0 /* different pos */
-};
-
static int check_immediate_constraint(long val, char immediate_constraint_type)
{
switch (immediate_constraint_type) {
}
}
-/* creates a unique ident by adding a number to a tag */
-ident *ia32_unique_id(const char *tag)
-{
- static unsigned id = 0;
- char str[256];
-
- snprintf(str, sizeof(str), tag, ++id);
- return new_id_from_str(str);
-}
-
/**
* Get a primitive type for a mode with alignment 16.
*/
static ir_type *ia32_get_prim_type(pmap *types, ir_mode *mode)
{
- pmap_entry *e = pmap_find(types, mode);
- ir_type *res;
+ ir_type *res = pmap_get(types, mode);
+ if (res != NULL)
+ return res;
- if (! e) {
- res = new_type_primitive(mode);
- if (get_mode_size_bits(mode) >= 80) {
- set_type_alignment_bytes(res, 16);
- }
- pmap_insert(types, mode, res);
+ res = new_type_primitive(mode);
+ if (get_mode_size_bits(mode) >= 80) {
+ set_type_alignment_bytes(res, 16);
}
- else
- res = e->value;
+ pmap_insert(types, mode, res);
return res;
}
ir_entity *create_float_const_entity(ir_node *cnst)
{
- ia32_isa_t *isa = env_cg->isa;
- tarval *key = get_Const_tarval(cnst);
- pmap_entry *e = pmap_find(isa->tv_ent, key);
- ir_entity *res;
- ir_graph *rem;
-
- if (e == NULL) {
- tarval *tv = key;
- ir_mode *mode = get_tarval_mode(tv);
- ir_type *tp;
-
- if (! ia32_cg_config.use_sse2) {
- /* try to reduce the mode to produce smaller sized entities */
- if (mode != mode_F) {
- if (tarval_ieee754_can_conv_lossless(tv, mode_F)) {
- mode = mode_F;
+ ia32_isa_t *isa = env_cg->isa;
+ tarval *tv = get_Const_tarval(cnst);
+ ir_entity *res = pmap_get(isa->tv_ent, tv);
+ ir_initializer_t *initializer;
+ ir_mode *mode;
+ ir_type *tp;
+
+ if (res != NULL)
+ return res;
+
+ mode = get_tarval_mode(tv);
+
+ if (! ia32_cg_config.use_sse2) {
+ /* try to reduce the mode to produce smaller sized entities */
+ if (mode != mode_F) {
+ if (tarval_ieee754_can_conv_lossless(tv, mode_F)) {
+ mode = mode_F;
+ tv = tarval_convert_to(tv, mode);
+ } else if (mode != mode_D) {
+ if (tarval_ieee754_can_conv_lossless(tv, mode_D)) {
+ mode = mode_D;
tv = tarval_convert_to(tv, mode);
- } else if (mode != mode_D) {
- if (tarval_ieee754_can_conv_lossless(tv, mode_D)) {
- mode = mode_D;
- tv = tarval_convert_to(tv, mode);
- }
}
}
}
+ }
- if (mode == get_irn_mode(cnst)) {
- /* mode was not changed */
- tp = get_Const_type(cnst);
- if (tp == firm_unknown_type)
- tp = ia32_get_prim_type(isa->types, mode);
- } else
- tp = ia32_get_prim_type(isa->types, mode);
-
- res = new_entity(get_glob_type(), ia32_unique_id(".LC%u"), tp);
-
- set_entity_ld_ident(res, get_entity_ident(res));
- set_entity_visibility(res, ir_visibility_local);
- add_entity_linkage(res, IR_LINKAGE_CONSTANT);
+ tp = ia32_get_prim_type(isa->types, mode);
+ res = new_entity(get_glob_type(), id_unique("C%u"), tp);
+ set_entity_ld_ident(res, get_entity_ident(res));
+ set_entity_visibility(res, ir_visibility_private);
+ add_entity_linkage(res, IR_LINKAGE_CONSTANT);
- /* we create a new entity here: It's initialization must resist on the
- const code irg */
- rem = current_ir_graph;
- current_ir_graph = get_const_code_irg();
- set_atomic_ent_value(res, new_Const_type(tv, tp));
- current_ir_graph = rem;
-
- pmap_insert(isa->tv_ent, key, res);
- } else {
- res = e->value;
- }
+ initializer = create_initializer_tarval(tv);
+ set_entity_initializer(res, initializer);
+ pmap_insert(isa->tv_ent, tv, res);
return res;
}
return (*in->limited & *out->limited) != 0;
}
+static inline ir_node *get_new_node(ir_node *node)
+{
+#ifdef FIRM_GRGEN_BE
+ if (be_transformer == TRANSFORMER_DEFAULT) {
+ return be_transform_node(node);
+ } else {
+ return node;
+ }
+#else
+ return be_transform_node(node);
+#endif
+}
+
ir_node *gen_ASM(ir_node *node)
{
- ir_node *block = NULL;
- ir_node *new_block = NULL;
+ ir_node *block = get_nodes_block(node);
+ ir_node *new_block = get_new_node(block);
dbg_info *dbgi = get_irn_dbg_info(node);
int i, arity;
+ int value_arity;
int out_idx;
ir_node **in;
ir_node *new_node;
memset(&clobber_bits, 0, sizeof(clobber_bits));
- switch (be_transformer) {
- case TRANSFORMER_DEFAULT:
- block = get_nodes_block(node);
- new_block = be_transform_node(block);
- break;
-
-#ifdef FIRM_GRGEN_BE
- case TRANSFORMER_PBQP:
- case TRANSFORMER_RAND:
- new_block = get_nodes_block(node);
- break;
-#endif
-
- default:
- panic("invalid transformer");
- }
-
/* workaround for lots of buggy code out there as most people think volatile
* asm is enough for everything and forget the flags (linux kernel, etc.)
*/
reg_map_size = constraint->pos;
}
for (i = 0; i < arity; ++i) {
- const ir_asm_constraint *constraint = &in_constraints[i];
+ const ir_asm_constraint *constraint = &in_constraints[i];
if (constraint->pos > reg_map_size)
reg_map_size = constraint->pos;
}
if (r_clobber_bits != 0) {
if (parsed_constraint.all_registers_allowed) {
parsed_constraint.all_registers_allowed = 0;
- be_abi_set_non_ignore_regs(env_cg->birg->abi,
+ be_abi_set_non_ignore_regs(be_get_irg_abi(env_cg->irg),
parsed_constraint.cls,
&parsed_constraint.allowed_registers);
}
}
if (input == NULL) {
- ir_node *pred = NULL;
- switch (be_transformer) {
- case TRANSFORMER_DEFAULT:
- pred = get_irn_n(node, i);
- input = be_transform_node(pred);
- break;
-
-#ifdef FIRM_GRGEN_BE
- case TRANSFORMER_PBQP:
- case TRANSFORMER_RAND:
- input = get_irn_n(node, i);
- break;
-#endif
-
- default: panic("invalid transformer");
- }
+ ir_node *pred = get_irn_n(node, i);
+ input = get_new_node(pred);
if (parsed_constraint.cls == NULL
&& parsed_constraint.same_as < 0) {
++out_idx;
}
+ /* count inputs which are real values (and not memory) */
+ value_arity = 0;
+ for (i = 0; i < arity; ++i) {
+ ir_node *in = get_irn_n(node, i);
+ if (get_irn_mode(in) == mode_M)
+ continue;
+ ++value_arity;
+ }
+
/* Attempt to make ASM node register pressure faithful.
* (This does not work for complicated cases yet!)
*
* before...
* FIXME: need to do this per register class...
*/
- if (out_arity <= arity) {
+ if (out_arity <= value_arity) {
int orig_arity = arity;
int in_size = arity;
int o;
ir_node *gen_CopyB(ir_node *node)
{
- ir_node *block = NULL;
- ir_node *src = NULL;
- ir_node *new_src = NULL;
- ir_node *dst = NULL;
- ir_node *new_dst = NULL;
- ir_node *mem = NULL;
- ir_node *new_mem = NULL;
+ ir_node *block = get_new_node(get_nodes_block(node));
+ ir_node *src = get_CopyB_src(node);
+ ir_node *new_src = get_new_node(src);
+ ir_node *dst = get_CopyB_dst(node);
+ ir_node *new_dst = get_new_node(dst);
+ ir_node *mem = get_CopyB_mem(node);
+ ir_node *new_mem = get_new_node(mem);
ir_node *res = NULL;
dbg_info *dbgi = get_irn_dbg_info(node);
int size = get_type_size_bytes(get_CopyB_type(node));
int rem;
- switch (be_transformer) {
- case TRANSFORMER_DEFAULT:
- block = be_transform_node(get_nodes_block(node));
- src = get_CopyB_src(node);
- new_src = be_transform_node(src);
- dst = get_CopyB_dst(node);
- new_dst = be_transform_node(dst);
- mem = get_CopyB_mem(node);
- new_mem = be_transform_node(mem);
- break;
-
-#ifdef FIRM_GRGEN_BE
- case TRANSFORMER_PBQP:
- case TRANSFORMER_RAND:
- block = get_nodes_block(node);
- new_src = get_CopyB_src(node);
- new_dst = get_CopyB_dst(node);
- new_mem = get_CopyB_mem(node);
- break;
-#endif
-
- default: panic("invalid transformer");
- }
-
/* If we have to copy more than 32 bytes, we use REP MOVSx and */
/* then we need the size explicitly in ECX. */
if (size >= 32 * 4) {
ir_node *gen_Proj_tls(ir_node *node)
{
- ir_node *block = NULL;
- dbg_info *dbgi = NULL;
- ir_node *res = NULL;
-
- switch (be_transformer) {
- case TRANSFORMER_DEFAULT:
- block = be_transform_node(get_nodes_block(node));
- break;
-
-#ifdef FIRM_GRGEN_BE
- case TRANSFORMER_PBQP:
- case TRANSFORMER_RAND:
- block = get_nodes_block(node);
- break;
-#endif
-
- default: panic("invalid transformer");
- }
+ ir_node *block = get_new_node(get_nodes_block(node));
+ ir_node *res = NULL;
- res = new_bd_ia32_LdTls(dbgi, block, mode_Iu);
+ res = new_bd_ia32_LdTls(NULL, block, mode_Iu);
return res;
}
ir_node *gen_Unknown(ir_node *node)
{
- ir_mode *mode = get_irn_mode(node);
+ ir_mode *mode = get_irn_mode(node);
+ ir_graph *irg = current_ir_graph;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *block = get_irg_start_block(irg);
+ ir_node *res = NULL;
if (mode_is_float(mode)) {
if (ia32_cg_config.use_sse2) {
- return ia32_new_Unknown_xmm(env_cg);
+ res = new_bd_ia32_xUnknown(dbgi, block);
} else {
- /* Unknown nodes are buggy in x87 simulator, use zero for now... */
- ir_graph *irg = current_ir_graph;
- dbg_info *dbgi = get_irn_dbg_info(node);
- ir_node *block = get_irg_start_block(irg);
- ir_node *ret = new_bd_ia32_vfldz(dbgi, block);
-
- be_dep_on_frame(ret);
- return ret;
+ res = new_bd_ia32_vfldz(dbgi, block);
}
} else if (ia32_mode_needs_gp_reg(mode)) {
- return ia32_new_Unknown_gp(env_cg);
+ res = new_bd_ia32_Unknown(dbgi, block);
} else {
panic("unsupported Unknown-Mode");
}
- return NULL;
+
+ be_dep_on_frame(res);
+ return res;
}
const arch_register_req_t *make_register_req(const constraint_t *constraint,
/* pure memory ops */
if (constraint->cls == NULL) {
- return &no_register_req;
+ return arch_no_register_req;
}
if (constraint->allowed_registers != 0
projects / libfirm / blobdiff