/*
* This file is part of cparser.
- * Copyright (C) 2007-2008 Matthias Braun <matze@braunis.de>
+ * Copyright (C) 2007-2009 Matthias Braun <matze@braunis.de>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
static entity_t **inner_functions;
static ir_node *ijmp_list;
static bool constant_folding;
+static bool initializer_use_bitfield_basetype;
extern bool have_const_functions;
/**
* Return a node representing the size of a type.
*/
-static ir_node *get_type_size(type_t *type)
+static ir_node *get_type_size_node(type_t *type)
{
type = skip_typeref(type);
if (is_type_array(type) && type->array.is_vla) {
ir_node *size_node = get_vla_size(&type->array);
- ir_node *elem_size = get_type_size(type->array.element_type);
+ ir_node *elem_size = get_type_size_node(type->array.element_type);
ir_mode *mode = get_irn_mode(size_node);
ir_node *real_size = new_d_Mul(NULL, size_node, elem_size, mode);
return real_size;
return count;
}
-static type_t *get_aligned_type(type_t *type, int alignment)
-{
- if (alignment == 0)
- return type;
-
- type = skip_typeref(type);
- if (alignment > type->base.alignment) {
- type_t *copy = duplicate_type(type);
- copy->base.alignment = alignment;
- type = identify_new_type(copy);
- }
- return type;
-}
-
/**
* Creates a Firm type for an atomic type
*/
-static ir_type *create_atomic_type(atomic_type_kind_t akind, int alignment)
+static ir_type *create_atomic_type(atomic_type_kind_t akind)
{
- ir_mode *mode = atomic_modes[akind];
- ident *id = get_mode_ident(mode);
- ir_type *irtype = new_type_primitive(id, mode);
+ ir_mode *mode = atomic_modes[akind];
+ ident *id = get_mode_ident(mode);
+ ir_type *irtype = new_type_primitive(id, mode);
+ il_alignment_t alignment = get_atomic_type_alignment(akind);
set_type_alignment_bytes(irtype, alignment);
/**
* Creates a Firm type for an imaginary type
*/
-static ir_type *create_imaginary_type(const imaginary_type_t *type)
+static ir_type *create_imaginary_type(imaginary_type_t *type)
{
atomic_type_kind_t kind = type->akind;
ir_mode *mode = atomic_modes[kind];
ident *id = get_mode_ident(mode);
ir_type *irtype = new_type_primitive(id, mode);
+ il_alignment_t alignment = get_type_alignment((type_t*) type);
- set_type_alignment_bytes(irtype, type->base.alignment);
+ set_type_alignment_bytes(irtype, alignment);
return irtype;
}
* return type of a parameter (and take transparent union gnu extension into
* account)
*/
-static type_t *get_parameter_type(type_t *type)
+static type_t *get_parameter_type(type_t *orig_type)
{
- type = skip_typeref(type);
- if (type->base.modifiers & TYPE_MODIFIER_TRANSPARENT_UNION) {
+ type_t *type = skip_typeref(orig_type);
+ if (is_type_union(type)
+ && get_type_modifiers(orig_type) & DM_TRANSPARENT_UNION) {
compound_t *compound = type->compound.compound;
type = compound->members.entities->declaration.type;
}
++n;
}
- if (function_type->variadic || function_type->unspecified_parameters) {
+ bool is_variadic = function_type->variadic;
+
+ if (is_variadic)
set_method_variadicity(irtype, variadicity_variadic);
- }
unsigned cc = get_method_calling_convention(irtype);
switch (function_type->calling_convention) {
break;
case CC_STDCALL:
- if (function_type->variadic || function_type->unspecified_parameters)
+ if (is_variadic)
goto is_cdecl;
/* only non-variadic function can use stdcall, else use cdecl */
break;
case CC_FASTCALL:
- if (function_type->variadic || function_type->unspecified_parameters)
+ if (is_variadic)
goto is_cdecl;
/* only non-variadic function can use fastcall, else use cdecl */
set_method_calling_convention(irtype, SET_FASTCALL(cc));
/**
* Construct firm type from ast struct type.
- *
- * As anonymous inner structs get flattened to a single firm type, we might get
- * irtype, outer_offset and out_align passed (they represent the position of
- * the anonymous inner struct inside the resulting firm struct)
*/
-static ir_type *create_compound_type(compound_type_t *type, ir_type *irtype,
- size_t *outer_offset, size_t *outer_align,
+static ir_type *create_compound_type(compound_type_t *type,
bool incomplete, bool is_union)
{
compound_t *compound = type->compound;
return compound->irtype;
}
- size_t align_all = 1;
- size_t offset = 0;
- size_t bit_offset = 0;
- size_t size = 0;
-
- if (irtype == NULL) {
- symbol_t *symbol = compound->base.symbol;
- ident *id;
- if (symbol != NULL) {
- id = new_id_from_str(symbol->string);
- } else {
- if (is_union) {
- id = id_unique("__anonymous_union.%u");
- } else {
- id = id_unique("__anonymous_struct.%u");
- }
- }
- dbg_info *dbgi = get_dbg_info(&compound->base.source_position);
-
+ symbol_t *symbol = compound->base.symbol;
+ ident *id;
+ if (symbol != NULL) {
+ id = new_id_from_str(symbol->string);
+ } else {
if (is_union) {
- irtype = new_d_type_union(id, dbgi);
+ id = id_unique("__anonymous_union.%u");
} else {
- irtype = new_d_type_struct(id, dbgi);
+ id = id_unique("__anonymous_struct.%u");
}
+ }
+ dbg_info *dbgi = get_dbg_info(&compound->base.source_position);
- compound->irtype_complete = false;
- compound->irtype = irtype;
+ ir_type *irtype;
+ if (is_union) {
+ irtype = new_d_type_union(id, dbgi);
} else {
- offset = *outer_offset;
- align_all = *outer_align;
+ irtype = new_d_type_struct(id, dbgi);
}
+ compound->irtype_complete = false;
+ compound->irtype = irtype;
+
if (incomplete)
return irtype;
+ if (is_union) {
+ layout_union_type(type);
+ } else {
+ layout_struct_type(type);
+ }
+
compound->irtype_complete = true;
entity_t *entry = compound->members.entities;
if (entry->kind != ENTITY_COMPOUND_MEMBER)
continue;
- size_t prev_offset = offset;
-
symbol_t *symbol = entry->base.symbol;
- type_t *entry_type = skip_typeref(entry->declaration.type);
- entry_type
- = get_aligned_type(entry_type, entry->compound_member.alignment);
- dbg_info *dbgi = get_dbg_info(&entry->base.source_position);
-
+ type_t *entry_type = entry->declaration.type;
ident *ident;
- if (symbol != NULL) {
- ident = new_id_from_str(symbol->string);
- } else {
- if (entry_type->kind == TYPE_COMPOUND_STRUCT) {
- create_compound_type(&entry_type->compound, irtype, &offset,
- &align_all, false, COMPOUND_IS_STRUCT);
- goto finished_member;
- } else if (entry_type->kind == TYPE_COMPOUND_UNION) {
- create_compound_type(&entry_type->compound, irtype, &offset,
- &align_all, false, COMPOUND_IS_UNION);
- goto finished_member;
- } else {
- assert(entry_type->kind == TYPE_BITFIELD);
- }
+ if (symbol == NULL) {
+ /* anonymous bitfield member, skip */
+ if (entry_type->kind == TYPE_BITFIELD)
+ continue;
+ assert(entry_type->kind == TYPE_COMPOUND_STRUCT
+ || entry_type->kind == TYPE_COMPOUND_UNION);
ident = id_unique("anon.%u");
- }
-
- ir_type *base_irtype;
- if (entry_type->kind == TYPE_BITFIELD) {
- base_irtype = get_ir_type(entry_type->bitfield.base_type);
} else {
- base_irtype = get_ir_type(entry_type);
+ ident = new_id_from_str(symbol->string);
}
- size_t entry_alignment = get_type_alignment_bytes(base_irtype);
- size_t misalign = offset % entry_alignment;
+ dbg_info *dbgi = get_dbg_info(&entry->base.source_position);
ir_type *entry_irtype = get_ir_type(entry_type);
ir_entity *entity = new_d_entity(irtype, ident, entry_irtype, dbgi);
- size_t base;
- size_t bits_remainder;
- if (entry_type->kind == TYPE_BITFIELD) {
- size_t size_bits = entry_type->bitfield.bit_size;
- size_t rest_size_bits = (entry_alignment - misalign)*8 - bit_offset;
-
- if (size_bits > rest_size_bits) {
- /* start a new bucket */
- offset += entry_alignment - misalign;
- bit_offset = 0;
-
- base = offset;
- bits_remainder = 0;
- } else {
- /* put into current bucket */
- base = offset - misalign;
- bits_remainder = misalign * 8 + bit_offset;
- }
-
- offset += size_bits / 8;
- bit_offset = bit_offset + (size_bits % 8);
- } else {
- size_t entry_size = get_type_size_bytes(base_irtype);
- if (misalign > 0 || bit_offset > 0)
- offset += entry_alignment - misalign;
-
- base = offset;
- bits_remainder = 0;
- offset += entry_size;
- bit_offset = 0;
- }
-
- if (entry_alignment > align_all) {
- if (entry_alignment % align_all != 0) {
- panic("uneven alignments not supported yet");
- }
- align_all = entry_alignment;
- }
-
- set_entity_offset(entity, base);
+ set_entity_offset(entity, entry->compound_member.offset);
set_entity_offset_bits_remainder(entity,
- (unsigned char) bits_remainder);
- //add_struct_member(irtype, entity);
- entry->declaration.kind = DECLARATION_KIND_COMPOUND_MEMBER;
- assert(entry->compound_member.entity == NULL);
- entry->compound_member.entity = entity;
+ entry->compound_member.bit_offset);
-finished_member:
- if (is_union) {
- size_t entry_size = offset - prev_offset;
- if (entry_size > size) {
- size = entry_size;
- }
- offset = 0;
- bit_offset = 0;
- }
- }
-
- if (!is_union) {
- size = offset;
- }
-
- size_t misalign = offset % align_all;
- if (misalign > 0 || bit_offset > 0) {
- size += align_all - misalign;
+ assert(entry->declaration.kind == DECLARATION_KIND_UNKNOWN);
+ entry->declaration.kind = DECLARATION_KIND_COMPOUND_MEMBER;
+ entry->compound_member.entity = entity;
}
- if (outer_offset != NULL) {
- if (!is_union) {
- *outer_offset = offset;
- } else {
- *outer_offset += size;
- }
-
- if (align_all > *outer_align) {
- if (align_all % *outer_align != 0) {
- panic("uneven alignments not supported yet");
- }
- *outer_align = align_all;
- }
- } else {
- set_type_alignment_bytes(irtype, align_all);
- set_type_size_bytes(irtype, size);
- set_type_state(irtype, layout_fixed);
- }
+ set_type_alignment_bytes(irtype, compound->alignment);
+ set_type_size_bytes(irtype, compound->size);
+ set_type_state(irtype, layout_fixed);
return irtype;
}
constant_folding = constant_folding_old;
- return create_atomic_type(type->akind, type->base.alignment);
+ return create_atomic_type(type->akind);
}
static ir_type *get_ir_type_incomplete(type_t *type)
switch (type->kind) {
case TYPE_COMPOUND_STRUCT:
- return create_compound_type(&type->compound, NULL, NULL, NULL,
- true, COMPOUND_IS_STRUCT);
+ return create_compound_type(&type->compound, true, COMPOUND_IS_STRUCT);
case TYPE_COMPOUND_UNION:
- return create_compound_type(&type->compound, NULL, NULL, NULL,
- true, COMPOUND_IS_UNION);
+ return create_compound_type(&type->compound, true, COMPOUND_IS_UNION);
default:
return get_ir_type(type);
}
switch (type->kind) {
case TYPE_ERROR:
/* Happens while constant folding, when there was an error */
- return create_atomic_type(ATOMIC_TYPE_VOID, 0);
+ return create_atomic_type(ATOMIC_TYPE_VOID);
case TYPE_ATOMIC:
- firm_type = create_atomic_type(type->atomic.akind,
- type->base.alignment);
+ firm_type = create_atomic_type(type->atomic.akind);
break;
case TYPE_COMPLEX:
firm_type = create_complex_type(&type->complex);
firm_type = create_array_type(&type->array);
break;
case TYPE_COMPOUND_STRUCT:
- firm_type = create_compound_type(&type->compound, NULL, NULL, NULL,
- false, COMPOUND_IS_STRUCT);
+ firm_type = create_compound_type(&type->compound, false, COMPOUND_IS_STRUCT);
break;
case TYPE_COMPOUND_UNION:
- firm_type = create_compound_type(&type->compound, NULL, NULL, NULL,
- false, COMPOUND_IS_UNION);
+ firm_type = create_compound_type(&type->compound, false, COMPOUND_IS_UNION);
break;
case TYPE_ENUM:
firm_type = create_enum_type(&type->enumt);
* @param ent the entity
* @param decl the routine declaration
*/
-static void handle_gnu_attributes_ent(ir_entity *irentity, entity_t *entity)
+static void handle_decl_modifiers(ir_entity *irentity, entity_t *entity)
{
assert(is_declaration(entity));
decl_modifiers_t modifiers = entity->declaration.modifiers;
static ir_entity *get_function_entity(entity_t *entity, ir_type *owner_type)
{
assert(entity->kind == ENTITY_FUNCTION);
- if (entity->function.entity != NULL) {
- return entity->function.entity;
+ if (entity->function.irentity != NULL) {
+ return entity->function.irentity;
}
if (is_main(entity)) {
ld_id = create_ld_ident(entity);
set_entity_ld_ident(irentity, ld_id);
- handle_gnu_attributes_ent(irentity, entity);
+ handle_decl_modifiers(irentity, entity);
if (! nested_function) {
/* static inline => local
entitymap_insert(&entitymap, symbol, irentity);
entity_created:
- entity->declaration.kind = DECLARATION_KIND_FUNCTION;
- entity->function.entity = irentity;
+ entity->declaration.kind = DECLARATION_KIND_FUNCTION;
+ entity->function.irentity = irentity;
return irentity;
}
in[1] = create_symconst(dbgi, mode, entity);
in[2] = get_irg_frame(current_ir_graph);
- ir_node *irn = new_d_Builtin(dbgi, get_store(), ir_bk_inner_trampoline, 3, in, get_unknown_type());
+ ir_node *irn = new_d_Builtin(dbgi, get_store(), 3, in, ir_bk_inner_trampoline, get_unknown_type());
set_store(new_Proj(irn, mode_M, pn_Builtin_M));
return new_Proj(irn, mode, pn_Builtin_1_result);
}
set_entity_ld_ident(entity, id);
set_entity_variability(entity, variability_constant);
set_entity_allocation(entity, allocation_static);
+ set_entity_visibility(entity, visibility_local);
ir_type *const elem_type = ir_type_const_char;
ir_mode *const mode = get_type_mode(elem_type);
/* make sure the type is constructed */
(void) get_ir_type(type);
+ /* for gcc compatibility we have to produce (dummy) addresses for some
+ * builtins */
+ if (entity->kind == ENTITY_FUNCTION && entity->function.btk != bk_none) {
+ if (warning.other) {
+ warningf(&ref->base.source_position,
+ "taking address of builtin '%Y'", ref->entity->base.symbol);
+ }
+
+ /* simply create a NULL pointer */
+ ir_mode *mode = get_ir_mode_arithmetic(type_void_ptr);
+ ir_node *res = new_Const_long(mode, 0);
+
+ return res;
+ }
+
switch ((declaration_kind_t) entity->declaration.kind) {
case DECLARATION_KIND_UNKNOWN:
break;
}
case DECLARATION_KIND_FUNCTION: {
ir_mode *const mode = get_ir_mode_storage(type);
-
- if (entity->function.btk != bk_none) {
- /* for gcc compatibility we have to produce (dummy) addresses for some
- * builtins */
- if (warning.other) {
- warningf(&ref->base.source_position,
- "taking address of builtin '%Y'", ref->entity->base.symbol);
- }
-
- /* simply create a NULL pointer */
- ir_mode *mode = get_ir_mode_arithmetic(type_void_ptr);
- ir_node *res = new_Const_long(mode, 0);
-
- return res;
- }
- return create_symconst(dbgi, mode, entity->function.entity);
+ return create_symconst(dbgi, mode, entity->function.irentity);
}
case DECLARATION_KIND_INNER_FUNCTION: {
ir_mode *const mode = get_ir_mode_storage(type);
if (!entity->function.goto_to_outer && !entity->function.need_closure) {
/* inner function not using the closure */
- return create_symconst(dbgi, mode, entity->function.entity);
+ return create_symconst(dbgi, mode, entity->function.irentity);
} else {
/* need trampoline here */
- return create_trampoline(dbgi, mode, entity->function.entity);
+ return create_trampoline(dbgi, mode, entity->function.irentity);
}
}
case DECLARATION_KIND_GLOBAL_VARIABLE: {
case DECLARATION_KIND_FUNCTION: {
type_t *const type = skip_typeref(entity->declaration.type);
ir_mode *const mode = get_ir_mode_storage(type);
- return create_symconst(dbgi, mode, entity->function.entity);
+ return create_symconst(dbgi, mode, entity->function.irentity);
}
case DECLARATION_KIND_INNER_FUNCTION: {
ir_mode *const mode = get_ir_mode_storage(type);
if (!entity->function.goto_to_outer && !entity->function.need_closure) {
/* inner function not using the closure */
- return create_symconst(dbgi, mode, entity->function.entity);
+ return create_symconst(dbgi, mode, entity->function.irentity);
} else {
/* need trampoline here */
- return create_trampoline(dbgi, mode, entity->function.entity);
+ return create_trampoline(dbgi, mode, entity->function.irentity);
}
}
ir_type *tp = get_ir_type(function_type);
ir_type *res = get_method_res_type(tp, 0);
- ir_node *irn = new_d_Builtin(db, get_irg_no_mem(current_ir_graph), kind, 1, in, tp);
+ ir_node *irn = new_d_Builtin(db, get_irg_no_mem(current_ir_graph), 1, in, kind, tp);
set_irn_pinned(irn, op_pin_state_floats);
return new_Proj(irn, get_type_mode(res), pn_Builtin_1_result);
}
ir_type *tp = get_ir_type(function_type);
ir_type *res = get_method_res_type(tp, 0);
ir_node *mem = get_store();
- ir_node *irn = new_d_Builtin(db, mem, kind, 1, in, tp);
+ ir_node *irn = new_d_Builtin(db, mem, 1, in, kind, tp);
set_store(new_Proj(irn, mode_M, pn_Builtin_M));
return new_Proj(irn, get_type_mode(res), pn_Builtin_1_result);
}
ir_type *tp = get_ir_type(function_type);
ir_node *mem = get_store();
- ir_node *irn = new_d_Builtin(db, mem, kind, 2, in, tp);
+ ir_node *irn = new_d_Builtin(db, mem, 2, in, kind, tp);
set_store(new_Proj(irn, mode_M, pn_Builtin_M));
return NULL;
}
return NULL;
case bk_gnu_builtin_frame_address: {
expression_t *const expression = call->arguments->expression;
- long val = fold_constant(expression);
- if (val == 0) {
+ bool val = fold_constant_to_bool(expression);
+ if (!val) {
/* the nice case */
return get_irg_frame(current_ir_graph);
} else {
in[0] = expression_to_firm(expression);
in[1] = get_irg_frame(current_ir_graph);
ir_type *tp = get_ir_type(function_type);
- ir_node *irn = new_d_Builtin(dbgi, get_irg_no_mem(current_ir_graph), ir_bk_frame_addess, 2, in, tp);
+ ir_node *irn = new_d_Builtin(dbgi, get_irg_no_mem(current_ir_graph), 2, in, ir_bk_frame_address, tp);
return new_Proj(irn, mode_P_data, pn_Builtin_1_result);
}
}
in[0] = expression_to_firm(expression);
in[1] = get_irg_frame(current_ir_graph);
ir_type *tp = get_ir_type(function_type);
- ir_node *irn = new_d_Builtin(dbgi, get_irg_no_mem(current_ir_graph), ir_bk_return_address, 2, in, tp);
+ ir_node *irn = new_d_Builtin(dbgi, get_irg_no_mem(current_ir_graph), 2, in, ir_bk_return_address, tp);
return new_Proj(irn, mode_P_data, pn_Builtin_1_result);
}
case bk_gnu_builtin_ffs:
in[2] = new_Const_long(mode_int, 3);
}
ir_type *tp = get_ir_type(function_type);
- ir_node *irn = new_d_Builtin(dbgi, get_store(), ir_bk_prefetch, 3, in, tp);
+ ir_node *irn = new_d_Builtin(dbgi, get_store(), 3, in, ir_bk_prefetch, tp);
set_store(new_Proj(irn, mode_M, pn_Builtin_M));
return NULL;
}
case bk_ms__ud2:
{
ir_type *tp = get_ir_type(function_type);
- ir_node *irn = new_d_Builtin(dbgi, get_store(), ir_bk_trap, 0, NULL, tp);
+ ir_node *irn = new_d_Builtin(dbgi, get_store(), 0, NULL, ir_bk_trap, tp);
set_store(new_Proj(irn, mode_M, pn_Builtin_M));
return NULL;
}
case bk_ms__debugbreak: {
ir_type *tp = get_ir_type(function_type);
- ir_node *irn = new_d_Builtin(dbgi, get_store(), ir_bk_debugbreak, 0, NULL, tp);
+ ir_node *irn = new_d_Builtin(dbgi, get_store(), 0, NULL, ir_bk_debugbreak, tp);
set_store(new_Proj(irn, mode_M, pn_Builtin_M));
return NULL;
}
in[0] = new_Const_long(mode_int, 0);
in[1] = get_irg_frame(current_ir_graph);
ir_type *tp = get_ir_type(function_type);
- ir_node *irn = new_d_Builtin(dbgi, get_irg_no_mem(current_ir_graph), ir_bk_return_address, 2, in, tp);
+ ir_node *irn = new_d_Builtin(dbgi, get_irg_no_mem(current_ir_graph), 2, in, ir_bk_return_address, tp);
return new_Proj(irn, mode_P_data, pn_Builtin_1_result);
}
case bk_ms_rotl:
const reference_expression_t *ref = &function->reference;
entity_t *entity = ref->entity;
- if (ref->entity->kind == ENTITY_FUNCTION &&
- ref->entity->function.btk != bk_none) {
- return process_builtin_call(call);
- }
+ if (entity->kind == ENTITY_FUNCTION) {
+ if (entity->function.btk != bk_none) {
+ return process_builtin_call(call);
+ }
- if (entity->kind == ENTITY_FUNCTION
- && entity->function.entity == rts_entities[rts_alloca]) {
- /* handle alloca() call */
- expression_t *argument = call->arguments->expression;
- ir_node *size = expression_to_firm(argument);
- ir_mode *mode = get_ir_mode_arithmetic(type_size_t);
+ ir_entity *irentity = entity->function.irentity;
+ if (irentity == NULL)
+ irentity = get_function_entity(entity, NULL);
- size = create_conv(dbgi, size, mode);
+ if (irentity == rts_entities[rts_alloca]) {
+ /* handle alloca() call */
+ expression_t *argument = call->arguments->expression;
+ ir_node *size = expression_to_firm(argument);
+ ir_mode *mode = get_ir_mode_arithmetic(type_size_t);
- ir_node *store = get_store();
- ir_node *alloca = new_d_Alloc(dbgi, store, size, firm_unknown_type,
- stack_alloc);
- ir_node *proj_m = new_Proj(alloca, mode_M, pn_Alloc_M);
- set_store(proj_m);
- ir_node *res = new_Proj(alloca, mode_P_data, pn_Alloc_res);
+ size = create_conv(dbgi, size, mode);
- return res;
+ ir_node *store = get_store();
+ ir_node *alloca = new_d_Alloc(dbgi, store, size,
+ firm_unknown_type, stack_alloc);
+ ir_node *proj_m = new_Proj(alloca, mode_M, pn_Alloc_M);
+ set_store(proj_m);
+ ir_node *res = new_Proj(alloca, mode_P_data, pn_Alloc_res);
+
+ return res;
+ }
}
}
ir_node *callee = expression_to_firm(function);
ir_node *offset;
if (is_type_pointer(type)) {
pointer_type_t *pointer_type = &type->pointer;
- offset = get_type_size(pointer_type->points_to);
+ offset = get_type_size_node(pointer_type->points_to);
} else {
assert(is_type_arithmetic(type));
offset = new_Const(get_mode_one(mode));
}
}
+static ir_node *create_cast(dbg_info *dbgi, ir_node *value_node,
+ type_t *from_type, type_t *type)
+{
+ type = skip_typeref(type);
+ if (!is_type_scalar(type)) {
+ /* make sure firm type is constructed */
+ (void) get_ir_type(type);
+ return value_node;
+ }
+
+ from_type = skip_typeref(from_type);
+ ir_mode *mode = get_ir_mode_storage(type);
+ /* check for conversion from / to __based types */
+ if (is_type_pointer(type) && is_type_pointer(from_type)) {
+ const variable_t *from_var = from_type->pointer.base_variable;
+ const variable_t *to_var = type->pointer.base_variable;
+ if (from_var != to_var) {
+ if (from_var != NULL) {
+ ir_node *const addr = get_global_var_address(dbgi, from_var);
+ ir_node *const base = deref_address(dbgi, from_var->base.type, addr);
+ value_node = new_d_Add(dbgi, value_node, base, get_ir_mode_storage(from_type));
+ }
+ if (to_var != NULL) {
+ ir_node *const addr = get_global_var_address(dbgi, to_var);
+ ir_node *const base = deref_address(dbgi, to_var->base.type, addr);
+ value_node = new_d_Sub(dbgi, value_node, base, mode);
+ }
+ }
+ }
+
+ if (is_type_atomic(type, ATOMIC_TYPE_BOOL)) {
+ /* bool adjustments (we save a mode_Bu, but have to temporarily
+ * convert to mode_b so we only get a 0/1 value */
+ value_node = create_conv(dbgi, value_node, mode_b);
+ }
+
+ ir_mode *mode_arith = get_ir_mode_arithmetic(type);
+ ir_node *node = create_conv(dbgi, value_node, mode);
+ node = do_strict_conv(dbgi, node);
+ node = create_conv(dbgi, node, mode_arith);
+
+ return node;
+}
+
static ir_node *unary_expression_to_firm(const unary_expression_t *expression)
{
dbg_info *dbgi = get_dbg_info(&expression->base.source_position);
case EXPR_UNARY_PREFIX_INCREMENT:
case EXPR_UNARY_PREFIX_DECREMENT:
return create_incdec(expression);
+ case EXPR_UNARY_CAST_IMPLICIT:
case EXPR_UNARY_CAST: {
ir_node *value_node = expression_to_firm(value);
- if (is_type_scalar(type)) {
- ir_mode *mode = get_ir_mode_storage(type);
- type_t *from_type = value->base.type;
- /* check for conversion from / to __based types */
- if (is_type_pointer(type) && is_type_pointer(from_type)) {
- const variable_t *from_var = from_type->pointer.base_variable;
- const variable_t *to_var = type->pointer.base_variable;
- if (from_var != to_var) {
- if (from_var != NULL) {
- ir_node *const addr = get_global_var_address(dbgi, from_var);
- ir_node *const base = deref_address(dbgi, from_var->base.type, addr);
- value_node = new_d_Add(dbgi, value_node, base, get_ir_mode_storage(from_type));
- }
- if (to_var != NULL) {
- ir_node *const addr = get_global_var_address(dbgi, to_var);
- ir_node *const base = deref_address(dbgi, to_var->base.type, addr);
- value_node = new_d_Sub(dbgi, value_node, base, mode);
- }
- }
- }
- ir_node *node = create_conv(dbgi, value_node, mode);
- node = do_strict_conv(dbgi, node);
- ir_mode *mode_arith = get_ir_mode_arithmetic(type);
- node = create_conv(dbgi, node, mode_arith);
- return node;
- } else {
- /* make sure firm type is constructed */
- (void) get_ir_type(type);
- return value_node;
- }
- }
- case EXPR_UNARY_CAST_IMPLICIT: {
- ir_node *value_node = expression_to_firm(value);
- if (is_type_scalar(type)) {
- ir_mode *mode = get_ir_mode_storage(type);
- ir_node *res = create_conv(dbgi, value_node, mode);
- ir_mode *mode_arith = get_ir_mode_arithmetic(type);
- res = create_conv(dbgi, res, mode_arith);
- return res;
- } else {
- return value_node;
- }
+ type_t *from_type = value->base.type;
+ return create_cast(dbgi, value_node, from_type, type);
}
case EXPR_UNARY_ASSUME:
if (firm_opt.confirm)
assert(is_type_pointer(type));
pointer_type_t *const pointer_type = &type->pointer;
type_t *const points_to = skip_typeref(pointer_type->points_to);
- ir_node * elem_size = get_type_size(points_to);
+ ir_node * elem_size = get_type_size_node(points_to);
elem_size = create_conv(dbgi, elem_size, mode);
value = create_conv(dbgi, value, mode);
ir_node *const mul = new_d_Mul(dbgi, value, elem_size, mode);
const pointer_type_t *const ptr_type = &type_left->pointer;
mode = get_ir_mode_arithmetic(expression->base.type);
- ir_node *const elem_size = get_type_size(ptr_type->points_to);
+ ir_node *const elem_size = get_type_size_node(ptr_type->points_to);
ir_node *const conv_size = new_d_Conv(dbgi, elem_size, mode);
ir_node *const sub = new_d_Sub(dbgi, left, right, mode);
ir_node *const no_mem = new_NoMem();
ir_mode *mode = get_ir_mode_arithmetic(type);
if (is_constant_expression(expression->left)) {
- long val = fold_constant(expression->left);
+ bool val = fold_constant_to_bool(expression->left);
expression_kind_t ekind = expression->base.kind;
assert(ekind == EXPR_BINARY_LOGICAL_AND || ekind == EXPR_BINARY_LOGICAL_OR);
if (ekind == EXPR_BINARY_LOGICAL_AND) {
- if (val == 0) {
+ if (!val) {
return new_Const(get_mode_null(mode));
}
} else {
- if (val != 0) {
+ if (val) {
return new_Const(get_mode_one(mode));
}
}
if (is_constant_expression(expression->right)) {
- long const valr = fold_constant(expression->right);
- return valr != 0 ?
+ bool valr = fold_constant_to_bool(expression->right);
+ return valr ?
new_Const(get_mode_one(mode)) :
new_Const(get_mode_null(mode));
}
dbg_info *const dbgi = get_dbg_info(&expression->base.source_position);
const expression_t *left_expr = expression->left;
type_t *type = skip_typeref(left_expr->base.type);
- ir_mode *left_mode = get_ir_mode_storage(type);
ir_node *right = expression_to_firm(expression->right);
ir_node *left_addr = expression_to_addr(left_expr);
ir_node *left = get_value_from_lvalue(left_expr, left_addr);
ir_node *result = create_op(dbgi, expression, left, right);
- result = create_conv(dbgi, result, left_mode);
+ result = create_cast(dbgi, result, expression->right->base.type, type);
result = do_strict_conv(dbgi, result);
result = set_value_for_expression_addr(left_expr, result, left_addr);
assert(designator->array_index != NULL);
assert(is_type_array(type));
- long index = fold_constant(array_index);
+ long index = fold_constant_to_int(array_index);
ir_type *arr_type = get_ir_type(type);
ir_type *elem_type = get_array_element_type(arr_type);
long elem_size = get_type_size_bytes(elem_type);
*/
static ir_node *sizeof_to_firm(const typeprop_expression_t *expression)
{
- type_t *type = expression->type;
- if (type == NULL) {
- type = expression->tp_expression->base.type;
- assert(type != NULL);
- }
-
- type = skip_typeref(type);
+ type_t *const type = skip_typeref(expression->type);
/* ยง6.5.3.4:2 if the type is a VLA, evaluate the expression. */
if (is_type_array(type) && type->array.is_vla
&& expression->tp_expression != NULL) {
expression_to_firm(expression->tp_expression);
}
- return get_type_size(type);
+ return get_type_size_node(type);
}
static entity_t *get_expression_entity(const expression_t *expression)
return expression->reference.entity;
}
+static unsigned get_cparser_entity_alignment(const entity_t *entity)
+{
+ switch(entity->kind) {
+ DECLARATION_KIND_CASES
+ return entity->declaration.alignment;
+ case ENTITY_STRUCT:
+ case ENTITY_UNION:
+ return entity->compound.alignment;
+ case ENTITY_TYPEDEF:
+ return entity->typedefe.alignment;
+ default:
+ break;
+ }
+ return 0;
+}
+
/**
* Transform an alignof expression into Firm code.
*/
static ir_node *alignof_to_firm(const typeprop_expression_t *expression)
{
- ir_entity *irentity = NULL;
+ unsigned alignment = 0;
const expression_t *tp_expression = expression->tp_expression;
if (tp_expression != NULL) {
entity_t *entity = get_expression_entity(tp_expression);
- if (entity != NULL && is_declaration(entity)) {
- switch (entity->declaration.kind) {
- case DECLARATION_KIND_UNKNOWN:
- panic("unknown entity reference found");
- case DECLARATION_KIND_COMPOUND_MEMBER:
- irentity = entity->compound_member.entity;
- break;
- case DECLARATION_KIND_GLOBAL_VARIABLE:
- case DECLARATION_KIND_LOCAL_VARIABLE_ENTITY:
- irentity = entity->variable.v.entity;
- break;
- case DECLARATION_KIND_PARAMETER_ENTITY:
- irentity = entity->parameter.v.entity;
- break;
- case DECLARATION_KIND_FUNCTION:
- case DECLARATION_KIND_INNER_FUNCTION:
- irentity = entity->function.entity;
- break;
- case DECLARATION_KIND_PARAMETER:
- case DECLARATION_KIND_LOCAL_VARIABLE:
- case DECLARATION_KIND_VARIABLE_LENGTH_ARRAY:
- break;
- }
+ if (entity != NULL) {
+ alignment = get_cparser_entity_alignment(entity);
}
}
- ir_type *irtype;
- if (irentity != NULL) {
- irtype = get_entity_type(irentity);
- } else {
+ if (alignment == 0) {
type_t *type = expression->type;
- irtype = get_ir_type(type);
+ alignment = get_type_alignment(type);
}
- ir_mode *const mode = get_ir_mode_arithmetic(expression->base.type);
- symconst_symbol sym;
- sym.type_p = irtype;
- return new_SymConst(mode, sym, symconst_type_align);
+ dbg_info *dbgi = get_dbg_info(&expression->base.source_position);
+ ir_mode *mode = get_ir_mode_arithmetic(expression->base.type);
+ tarval *tv = new_tarval_from_long(alignment, mode);
+ return new_d_Const(dbgi, tv);
}
static void init_ir_types(void);
-long fold_constant(const expression_t *expression)
+static tarval *fold_constant_to_tarval(const expression_t *expression)
{
assert(is_type_valid(skip_typeref(expression->base.type)));
panic("couldn't fold constant");
}
+ constant_folding = constant_folding_old;
+
tarval *tv = get_Const_tarval(cnst);
+ return tv;
+}
+
+long fold_constant_to_int(const expression_t *expression)
+{
+ if (expression->kind == EXPR_INVALID)
+ return 0;
+
+ tarval *tv = fold_constant_to_tarval(expression);
if (!tarval_is_long(tv)) {
panic("result of constant folding is not integer");
}
- constant_folding = constant_folding_old;
-
return get_tarval_long(tv);
}
+bool fold_constant_to_bool(const expression_t *expression)
+{
+ if (expression->kind == EXPR_INVALID)
+ return false;
+ tarval *tv = fold_constant_to_tarval(expression);
+ return !tarval_is_null(tv);
+}
+
static ir_node *conditional_to_firm(const conditional_expression_t *expression)
{
dbg_info *const dbgi = get_dbg_info(&expression->base.source_position);
/* first try to fold a constant condition */
if (is_constant_expression(expression->condition)) {
- long val = fold_constant(expression->condition);
+ bool val = fold_constant_to_bool(expression->condition);
if (val) {
expression_t *true_expression = expression->true_expression;
if (true_expression == NULL)
ir_node *const arg_sel =
new_d_simpleSel(dbgi, no_mem, frame, parm_ent);
- ir_node *const cnst = get_type_size(expr->parameter->base.type);
+ type_t *const param_type = expr->parameter->base.type;
+ ir_node *const cnst = get_type_size_node(param_type);
ir_mode *const mode = get_irn_mode(cnst);
ir_node *const c1 = new_Const_long(mode, stack_param_align - 1);
ir_node *const c2 = new_d_Add(dbgi, cnst, c1, mode);
dbg_info *const dbgi = get_dbg_info(&expr->base.source_position);
ir_node *const res = deref_address(dbgi, type, ap);
- ir_node *const cnst = get_type_size(expr->base.type);
+ ir_node *const cnst = get_type_size_node(expr->base.type);
ir_mode *const mode = get_irn_mode(cnst);
ir_node *const c1 = new_Const_long(mode, stack_param_align - 1);
ir_node *const c2 = new_d_Add(dbgi, cnst, c1, mode);
* Pointer to a label. This is used for the
* GNU address-of-label extension.
*/
-static ir_node *label_address_to_firm(
- const label_address_expression_t *label)
+static ir_node *label_address_to_firm(const label_address_expression_t *label)
{
- ir_node *block = get_label_block(label->label);
- ir_label_t nr = get_Block_label(block);
+ dbg_info *dbgi = get_dbg_info(&label->base.source_position);
+ ir_node *block = get_label_block(label->label);
+ ir_entity *entity = create_Block_entity(block);
- if (nr == 0) {
- nr = get_irp_next_label_nr();
- set_Block_label(block, nr);
- }
symconst_symbol value;
- value.label = nr;
- return new_SymConst(mode_P_code, value, symconst_label);
+ value.entity_p = entity;
+ return new_d_SymConst(dbgi, mode_P_code, value, symconst_addr_ent);
}
/**
if (is_builtin_expect(expression) && is_Cond(cond)) {
call_argument_t *argument = expression->call.arguments->next;
if (is_constant_expression(argument->expression)) {
- long cnst = fold_constant(argument->expression);
+ bool cnst = fold_constant_to_bool(argument->expression);
cond_jmp_predicate pred;
- if (cnst == 0) {
+ if (cnst == false) {
pred = COND_JMP_PRED_FALSE;
} else {
pred = COND_JMP_PRED_TRUE;
return cond_expr;
}
-
static void create_variable_entity(entity_t *variable,
declaration_kind_t declaration_kind,
ir_type *parent_type)
{
assert(variable->kind == ENTITY_VARIABLE);
type_t *type = skip_typeref(variable->declaration.type);
- type = get_aligned_type(type, variable->variable.alignment);
- ident *const id = new_id_from_str(variable->base.symbol->string);
- ir_type *const irtype = get_ir_type(type);
- dbg_info *const dbgi = get_dbg_info(&variable->base.source_position);
+ ident *const id = new_id_from_str(variable->base.symbol->string);
+ ir_type *const irtype = get_ir_type(type);
+ dbg_info *const dbgi = get_dbg_info(&variable->base.source_position);
+ ir_entity *const irentity = new_d_entity(parent_type, id, irtype, dbgi);
+ unsigned alignment = variable->declaration.alignment;
- ir_entity *const irentity = new_d_entity(parent_type, id, irtype, dbgi);
+ set_entity_alignment(irentity, alignment);
- handle_gnu_attributes_ent(irentity, variable);
+ handle_decl_modifiers(irentity, variable);
variable->declaration.kind = (unsigned char) declaration_kind;
variable->variable.v.entity = irentity;
}
assert(iter != NULL);
+ /* revert previous initialisations of other union elements */
+ if (type->kind == TYPE_COMPOUND_UNION) {
+ ir_initializer_t *initializer = top->initializer;
+ if (initializer != NULL
+ && get_initializer_kind(initializer) == IR_INITIALIZER_COMPOUND) {
+ /* are we writing to a new element? */
+ ir_initializer_t *oldi
+ = get_initializer_compound_value(initializer, index);
+ if (get_initializer_kind(oldi) == IR_INITIALIZER_NULL) {
+ /* clear initializer */
+ size_t len
+ = get_initializer_compound_n_entries(initializer);
+ ir_initializer_t *nulli = get_initializer_null();
+ for (size_t i = 0; i < len; ++i) {
+ set_initializer_compound_value(initializer, i,
+ nulli);
+ }
+ }
+ }
+ }
+
top->type = orig_type;
top->compound_entry = iter;
top->index = index;
assert(designator->array_index != NULL);
assert(is_type_array(type));
- long index = fold_constant(array_index);
+ long index = fold_constant_to_int(array_index);
assert(index >= 0);
#ifndef NDEBUG
if (type->array.size_constant) {
type_t *type = skip_typeref(top->type);
if (is_type_union(type)) {
+ /* only the first element is initialized in unions */
top->compound_entry = NULL;
} else if (is_type_struct(type)) {
entity_t *entry = top->compound_entry;
if (is_type_compound(initializer->value->base.type)) {
panic("initializer creation for compounds not implemented yet");
}
- ir_node *value = expression_to_firm(initializer->value);
- type_t *type = initializer->value->base.type;
+ type_t *type = initializer->value->base.type;
+ expression_t *expr = initializer->value;
+ if (initializer_use_bitfield_basetype) {
+ type_t *skipped = skip_typeref(type);
+ if (skipped->kind == TYPE_BITFIELD) {
+ /* remove the bitfield cast... */
+ assert(expr->kind == EXPR_UNARY_CAST_IMPLICIT);
+ expr = expr->unary.value;
+ type = skipped->bitfield.base_type;
+ }
+ }
+ ir_node *value = expression_to_firm(expr);
ir_mode *mode = get_ir_mode_storage(type);
value = create_conv(NULL, value, mode);
return create_initializer_const(value);
panic("unknown initializer");
}
-static void create_dynamic_null_initializer(ir_type *type, dbg_info *dbgi,
- ir_node *base_addr)
-{
- if (is_atomic_type(type)) {
- ir_mode *mode = get_type_mode(type);
- tarval *zero = get_mode_null(mode);
- ir_node *cnst = new_d_Const(dbgi, zero);
-
- /* TODO: bitfields */
- ir_node *mem = get_store();
- ir_node *store = new_d_Store(dbgi, mem, base_addr, cnst, cons_none);
- ir_node *proj_m = new_Proj(store, mode_M, pn_Store_M);
- set_store(proj_m);
- } else {
- assert(is_compound_type(type));
-
- int n_members;
- if (is_Array_type(type)) {
- assert(has_array_upper_bound(type, 0));
- n_members = get_array_upper_bound_int(type, 0);
- } else {
- n_members = get_compound_n_members(type);
- }
-
- for (int i = 0; i < n_members; ++i) {
- ir_node *addr;
- ir_type *irtype;
- if (is_Array_type(type)) {
- ir_entity *entity = get_array_element_entity(type);
- tarval *index_tv = new_tarval_from_long(i, mode_uint);
- ir_node *cnst = new_d_Const(dbgi, index_tv);
- ir_node *in[1] = { cnst };
- irtype = get_array_element_type(type);
- addr = new_d_Sel(dbgi, new_NoMem(), base_addr, 1, in, entity);
- } else {
- ir_entity *member = get_compound_member(type, i);
-
- irtype = get_entity_type(member);
- addr = new_d_simpleSel(dbgi, new_NoMem(), base_addr, member);
- }
-
- create_dynamic_null_initializer(irtype, dbgi, addr);
- }
- }
-}
-
static void create_dynamic_initializer_sub(ir_initializer_t *initializer,
ir_entity *entity, ir_type *type, dbg_info *dbgi, ir_node *base_addr)
{
switch(get_initializer_kind(initializer)) {
case IR_INITIALIZER_NULL: {
- create_dynamic_null_initializer(type, dbgi, base_addr);
+ /* NULL is undefined for dynamic initializers */
return;
}
case IR_INITIALIZER_CONST: {
}
if (!is_constant_initializer(initializer)) {
+ bool old_initializer_use_bitfield_basetype
+ = initializer_use_bitfield_basetype;
+ initializer_use_bitfield_basetype = true;
ir_initializer_t *irinitializer
= create_ir_initializer(initializer, type);
+ initializer_use_bitfield_basetype
+ = old_initializer_use_bitfield_basetype;
create_dynamic_initializer(irinitializer, dbgi, entity);
return;
ir_entity *irentity = entity->variable.v.entity;
type_t *type = entity->declaration.type;
- type = get_aligned_type(type, entity->variable.alignment);
create_local_initializer(initializer, dbgi, irentity, type);
}
ir_type *el_type = get_ir_type(type->array.element_type);
/* make sure size_node is calculated */
- get_type_size(type);
+ get_type_size_node(type);
ir_node *elems = type->array.size_node;
ir_node *mem = get_store();
ir_node *alloc = new_d_Alloc(dbgi, mem, elems, el_type, stack_alloc);
assert(entity->kind == ENTITY_VARIABLE);
assert(entity->declaration.kind == DECLARATION_KIND_UNKNOWN);
- type_t *type = skip_typeref(entity->declaration.type);
- type = get_aligned_type(type, entity->variable.alignment);
-
- ir_type *const var_type = entity->variable.thread_local ?
+ type_t *type = skip_typeref(entity->declaration.type);
+ ir_type *const var_type = entity->variable.thread_local ?
get_tls_type() : get_glob_type();
- ir_type *const irtype = get_ir_type(type);
- dbg_info *const dbgi = get_dbg_info(&entity->base.source_position);
+ ir_type *const irtype = get_ir_type(type);
+ dbg_info *const dbgi = get_dbg_info(&entity->base.source_position);
size_t l = strlen(entity->base.symbol->string);
char buf[l + sizeof(".%u")];
switch ((storage_class_tag_t) entity->declaration.storage_class) {
case STORAGE_CLASS_STATIC:
- create_local_static_variable(entity);
+ if (entity->kind == ENTITY_FUNCTION) {
+ (void)get_function_entity(entity, NULL);
+ } else {
+ create_local_static_variable(entity);
+ }
return;
case STORAGE_CLASS_EXTERN:
if (entity->kind == ENTITY_FUNCTION) {
if (entity->base.symbol == NULL)
return;
+ // no need to emit code in dead blocks
+ if (entity->declaration.storage_class != STORAGE_CLASS_STATIC
+ && get_cur_block() == NULL)
+ return;
+
switch ((declaration_kind_t) entity->declaration.kind) {
case DECLARATION_KIND_LOCAL_VARIABLE:
case DECLARATION_KIND_LOCAL_VARIABLE_ENTITY:
if (is_declaration(entity)) {
initialize_local_declaration(entity);
} else if (entity->kind == ENTITY_TYPEDEF) {
+ /* ยง6.7.7:3 Any array size expressions associated with variable length
+ * array declarators are evaluated each time the declaration of the
+ * typedef name is reached in the order of execution. */
type_t *const type = skip_typeref(entity->typedefe.type);
if (is_type_array(type) && type->array.is_vla)
get_vla_size(&type->array);
/* shortcut for while(true) */
if (is_constant_expression(statement->condition)
- && fold_constant(statement->condition) != 0) {
+ && fold_constant_to_bool(statement->condition) != 0) {
set_cur_block(header_block);
ir_node *header_jmp = new_Jmp();
add_immBlock_pred(body_block, header_jmp);
static void switch_statement_to_firm(switch_statement_t *statement)
{
- dbg_info *dbgi = get_dbg_info(&statement->base.source_position);
+ ir_node *first_block = NULL;
+ dbg_info *dbgi = get_dbg_info(&statement->base.source_position);
+ ir_node *cond = NULL;
- ir_node *expression = expression_to_firm(statement->expression);
- ir_node *cond = new_d_Cond(dbgi, expression);
+ if (get_cur_block() != NULL) {
+ ir_node *expression = expression_to_firm(statement->expression);
+ cond = new_d_Cond(dbgi, expression);
+ first_block = get_cur_block();
+ }
set_cur_block(NULL);
}
if (def_nr == INT_MAX) {
- /* Bad: an overflow will occurr, we cannot be sure that the
+ /* Bad: an overflow will occur, we cannot be sure that the
* maximum + 1 is a free number. Scan the values a second
* time to find a free number.
*/
}
}
/* We look at the first num_cases constants:
- * Either they are densed, so we took the last (num_cases)
- * one, or they are non densed, so we will find one free
+ * Either they are dense, so we took the last (num_cases)
+ * one, or they are not dense, so we will find one free
* there...
*/
unsigned long i;
add_immBlock_pred(get_break_label(), jmp);
}
- if (!saw_default_label) {
- set_cur_block(get_nodes_block(cond));
+ if (!saw_default_label && first_block != NULL) {
+ set_cur_block(first_block);
ir_node *const proj = new_d_defaultProj(dbgi, cond,
statement->default_proj_nr);
add_immBlock_pred(get_break_label(), proj);
ir_node *const fallthrough = (get_cur_block() == NULL ? NULL : new_Jmp());
ir_node *proj;
- ir_node *block = new_immBlock();
-
- set_cur_block(get_nodes_block(current_switch_cond));
- if (statement->expression != NULL) {
- long pn = statement->first_case;
- long end_pn = statement->last_case;
- assert(pn <= end_pn);
- /* create jumps for all cases in the given range */
- do {
- proj = new_d_Proj(dbgi, current_switch_cond, mode_X, pn);
- add_immBlock_pred(block, proj);
- } while(pn++ < end_pn);
- } else {
- saw_default_label = true;
- proj = new_d_defaultProj(dbgi, current_switch_cond,
- current_switch->default_proj_nr);
+ ir_node *block = new_immBlock();
- add_immBlock_pred(block, proj);
+ if (current_switch_cond != NULL) {
+ set_cur_block(get_nodes_block(current_switch_cond));
+ if (statement->expression != NULL) {
+ long pn = statement->first_case;
+ long end_pn = statement->last_case;
+ assert(pn <= end_pn);
+ /* create jumps for all cases in the given range */
+ do {
+ proj = new_d_Proj(dbgi, current_switch_cond, mode_X, pn);
+ add_immBlock_pred(block, proj);
+ } while (pn++ < end_pn);
+ } else {
+ saw_default_label = true;
+ proj = new_d_defaultProj(dbgi, current_switch_cond,
+ current_switch->default_proj_nr);
+
+ add_immBlock_pred(block, proj);
+ }
}
if (fallthrough != NULL) {
char buf[64];
ir_node *value = get_value_from_lvalue(expr, addr);
- snprintf(buf, sizeof(buf), "%u", pos);
+ snprintf(buf, sizeof(buf), "%u", (unsigned) out_size);
ir_asm_constraint constraint;
constraint.pos = pos;
if (entity->function.need_closure) {
/* add an extra parameter for the static link */
- entity->function.static_link = new_r_Proj(irg, start_block, args, mode_P_data, 0);
+ entity->function.static_link = new_r_Proj(start_block, args, mode_P_data, 0);
++first_param_nr;
}
ir_mode *param_mode = get_type_mode(param_irtype);
long pn = n + first_param_nr;
- ir_node *value = new_r_Proj(irg, start_block, args, param_mode, pn);
+ ir_node *value = new_r_Proj(start_block, args, param_mode, pn);
ir_mode *mode = get_ir_mode_storage(type);
value = create_conv(NULL, value, mode);
* @param irg the IR-graph
* @param dec_modifiers additional modifiers
*/
-static void handle_decl_modifier_irg(ir_graph_ptr irg, decl_modifiers_t decl_modifiers)
+static void handle_decl_modifier_irg(ir_graph_ptr irg,
+ decl_modifiers_t decl_modifiers)
{
if (decl_modifiers & DM_RETURNS_TWICE) {
/* TRUE if the declaration includes __attribute__((returns_twice)) */
if (entity->function.statement == NULL)
return;
+ if (is_main(entity) && firm_opt.os_support == OS_SUPPORT_MINGW) {
+ prepare_main_collect2(entity);
+ }
+
inner_functions = NULL;
current_trampolines = NULL;
(void)get_function_entity(entity, NULL);
} else if (entity->kind == ENTITY_VARIABLE) {
create_global_variable(entity);
+ } else if (entity->kind == ENTITY_NAMESPACE) {
+ scope_to_firm(&entity->namespacee.members);
}
}