X-Git-Url: https://git.xonotic.org/?a=blobdiff_plain;f=ir.h;h=cd382957f022c34d82a0bdd2f1603bf1aa1ef7d9;hb=52d39b726055fe269463ad47375a8fb68822efa6;hp=52fe7ce10ce335e960f1b9772ef3685244fc3a57;hpb=8d121af47ce995738843739b325786bfdbc5e584;p=xonotic%2Fgmqcc.git diff --git a/ir.h b/ir.h index 52fe7ce..cd38295 100644 --- a/ir.h +++ b/ir.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2012 + * Copyright (C) 2012, 2013 * Wolfgang Bumiller * * Permission is hereby granted, free of charge, to any person obtaining a copy of @@ -20,12 +20,9 @@ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ -#ifndef QCIR_H__ -#define QCIR_H__ - -#include "astir.h" - -/* ir_value */ +#ifndef GMQCC_IR_HDR +#define GMQCC_IR_HDR +#include "gmqcc.h" typedef struct { @@ -39,54 +36,70 @@ typedef struct ir_value_s { char *name; int vtype; int store; - lex_ctx_t context; - - MEM_VECTOR_MAKE(struct ir_instr_s*, reads); - MEM_VECTOR_MAKE(struct ir_instr_s*, writes); + lex_ctx context; + /* even the IR knows the subtype of a field */ + int fieldtype; + /* and the output type of a function */ + int outtype; + /* 'const' vs 'var' qualifier */ + int cvq; + uint32_t flags; + + struct ir_instr_s **reads; + struct ir_instr_s **writes; /* constantvalues */ - qbool isconst; + bool hasvalue; union { float vfloat; int vint; - vector_t vvec; + vector vvec; + int32_t ivec[3]; char *vstring; struct ir_value_s *vpointer; + struct ir_function_s *vfunc; } constval; + struct { + int32_t globaladdr; + int32_t name; + /* filled by the local-allocator */ + int32_t local; + /* added for members */ + int32_t addroffset; + /* to generate field-addresses early */ + int32_t fieldaddr; + } code; + + /* for acessing vectors */ + struct ir_value_s *members[3]; + struct ir_value_s *memberof; + + /* arrays will never overlap with temps */ + bool unique_life; + /* temps living during a CALL must be locked */ + bool locked; + bool callparam; + /* For the temp allocator */ - MEM_VECTOR_MAKE(ir_life_entry_t, life); + ir_life_entry_t *life; } ir_value; /* ir_value can be a variable, or created by an operation */ -ir_value* ir_value_var(const char *name, int st, int vtype); /* if a result of an operation: the function should store * it to remember to delete it / garbage collect it */ -ir_value* ir_value_out(struct ir_function_s *owner, const char *name, int st, int vtype); -void ir_value_delete(ir_value*); -void ir_value_set_name(ir_value*, const char *name); - -MEM_VECTOR_PROTO(ir_value, struct ir_instr_s*, reads) -MEM_VECTOR_PROTO(ir_value, struct ir_instr_s*, writes) - -qbool ir_value_set_float(ir_value*, float f); -qbool ir_value_set_int(ir_value*, int i); -qbool ir_value_set_string(ir_value*, const char *s); -qbool ir_value_set_vector(ir_value*, vector_t v); -/*qbool ir_value_set_pointer_v(ir_value*, ir_value* p); */ -/*qbool ir_value_set_pointer_i(ir_value*, int i); */ - -MEM_VECTOR_PROTO(ir_value, ir_life_entry_t, life) -/* merge an instruction into the life-range */ -/* returns false if the lifepoint was already known */ -qbool ir_value_life_merge(ir_value*, size_t); -/* check if a value lives at a specific point */ -qbool ir_value_lives(ir_value*, size_t); - -void ir_value_dump(ir_value*, int (*oprintf)(const char*,...)); -void ir_value_dump_life(ir_value *self, int (*oprintf)(const char*,...)); - +void ir_value_delete(ir_value*); +ir_value* ir_value_vector_member(ir_value*, unsigned int member); +bool GMQCC_WARN ir_value_set_float(ir_value*, float f); +bool GMQCC_WARN ir_value_set_func(ir_value*, int f); +bool GMQCC_WARN ir_value_set_string(ir_value*, const char *s); +bool GMQCC_WARN ir_value_set_vector(ir_value*, vector v); +bool GMQCC_WARN ir_value_set_field(ir_value*, ir_value *fld); +bool ir_value_lives(ir_value*, size_t); +void ir_value_dump_life(const ir_value *self, int (*oprintf)(const char*,...)); + +/* PHI data */ typedef struct ir_phi_entry_s { ir_value *value; @@ -97,159 +110,180 @@ typedef struct ir_phi_entry_s typedef struct ir_instr_s { int opcode; - lex_ctx_t context; + lex_ctx context; ir_value* (_ops[3]); struct ir_block_s* (bops[2]); - MEM_VECTOR_MAKE(ir_phi_entry_t, phi); + ir_phi_entry_t *phi; + ir_value **params; /* For the temp-allocation */ size_t eid; + /* For IFs */ + bool likely; + struct ir_block_s *owner; } ir_instr; -ir_instr* ir_instr_new(struct ir_block_s *owner, int opcode); -void ir_instr_delete(ir_instr*); - -MEM_VECTOR_PROTO(ir_value, ir_phi_entry_t, phi) -void ir_instr_op(ir_instr*, int op, ir_value *value, qbool writing); - -void ir_instr_dump(ir_instr* in, char *ind, int (*oprintf)(const char*,...)); - /* block */ typedef struct ir_block_s { char *label; - lex_ctx_t context; - qbool final; /* once a jump is added we're done */ + lex_ctx context; + bool final; /* once a jump is added we're done */ - MEM_VECTOR_MAKE(ir_instr*, instr); - MEM_VECTOR_MAKE(struct ir_block_s*, entries); - MEM_VECTOR_MAKE(struct ir_block_s*, exits); - MEM_VECTOR_MAKE(ir_value*, living); + ir_instr **instr; + struct ir_block_s **entries; + struct ir_block_s **exits; + ir_value **living; /* For the temp-allocation */ + size_t entry_id; size_t eid; - qbool is_return; - size_t run_id; + bool is_return; struct ir_function_s *owner; -} ir_block; - -ir_block* ir_block_new(struct ir_function_s *owner, const char *label); -void ir_block_delete(ir_block*); - -void ir_block_set_label(ir_block*, const char *label); -MEM_VECTOR_PROTO(ir_block, ir_instr*, instr) -MEM_VECTOR_PROTO_ALL(ir_block, ir_block*, exits) -MEM_VECTOR_PROTO_ALL(ir_block, ir_block*, entries) + bool generated; + size_t code_start; +} ir_block; -ir_value* ir_block_create_binop(ir_block*, const char *label, int op, - ir_value *left, ir_value *right); -qbool ir_block_create_store_op(ir_block*, int op, ir_value *target, ir_value *what); -qbool ir_block_create_store(ir_block*, ir_value *target, ir_value *what); +ir_value* ir_block_create_binop(ir_block*, lex_ctx, const char *label, int op, ir_value *left, ir_value *right); +ir_value* ir_block_create_unary(ir_block*, lex_ctx, const char *label, int op, ir_value *operand); +bool GMQCC_WARN ir_block_create_store_op(ir_block*, lex_ctx, int op, ir_value *target, ir_value *what); +bool GMQCC_WARN ir_block_create_storep(ir_block*, lex_ctx, ir_value *target, ir_value *what); +ir_value* ir_block_create_load_from_ent(ir_block*, lex_ctx, const char *label, ir_value *ent, ir_value *field, int outype); +ir_value* ir_block_create_fieldaddress(ir_block*, lex_ctx, const char *label, ir_value *entity, ir_value *field); -ir_value* ir_block_create_add(ir_block*, const char *label, ir_value *l, ir_value *r); -ir_value* ir_block_create_sub(ir_block*, const char *label, ir_value *l, ir_value *r); -ir_value* ir_block_create_mul(ir_block*, const char *label, ir_value *l, ir_value *r); -ir_value* ir_block_create_div(ir_block*, const char *label, ir_value *l, ir_value *r); -ir_instr* ir_block_create_phi(ir_block*, const char *label, int vtype); +/* This is to create an instruction of the form + * %label := opcode a, b + */ +ir_instr* ir_block_create_phi(ir_block*, lex_ctx, const char *label, int vtype); ir_value* ir_phi_value(ir_instr*); -void ir_phi_add(ir_instr*, ir_block *b, ir_value *v); +void ir_phi_add(ir_instr*, ir_block *b, ir_value *v); +ir_instr* ir_block_create_call(ir_block*, lex_ctx, const char *label, ir_value *func, bool noreturn); +ir_value* ir_call_value(ir_instr*); +void ir_call_param(ir_instr*, ir_value*); -void ir_block_create_return(ir_block*, ir_value *opt_value); +bool GMQCC_WARN ir_block_create_return(ir_block*, lex_ctx, ir_value *opt_value); -void ir_block_create_if(ir_block*, ir_value *cond, - ir_block *ontrue, ir_block *onfalse); +bool GMQCC_WARN ir_block_create_if(ir_block*, lex_ctx, ir_value *cond, + ir_block *ontrue, ir_block *onfalse); /* A 'goto' is an actual 'goto' coded in QC, whereas * a 'jump' is a virtual construct which simply names the * next block to go to. * A goto usually becomes an OP_GOTO in the resulting code, * whereas a 'jump' usually doesn't add any actual instruction. */ -void ir_block_create_jump(ir_block*, ir_block *to); -void ir_block_create_goto(ir_block*, ir_block *to); - -MEM_VECTOR_PROTO_ALL(ir_block, ir_value*, living) - -void ir_block_dump(ir_block*, char *ind, int (*oprintf)(const char*,...)); +bool GMQCC_WARN ir_block_create_jump(ir_block*, lex_ctx, ir_block *to); +bool GMQCC_WARN ir_block_create_goto(ir_block*, lex_ctx, ir_block *to); /* function */ - typedef struct ir_function_s { - char *name; - int retype; - MEM_VECTOR_MAKE(int, params); - MEM_VECTOR_MAKE(ir_block*, blocks); + char *name; + int outtype; + int *params; + ir_block **blocks; + + uint32_t flags; + + int builtin; + + ir_value *value; /* values generated from operations * which might get optimized away, so anything * in there needs to be deleted in the dtor. */ - MEM_VECTOR_MAKE(ir_value*, values); + ir_value **values; /* locally defined variables */ - MEM_VECTOR_MAKE(ir_value*, locals); + ir_value **locals; + + size_t allocated_locals; + size_t globaltemps; ir_block* first; ir_block* last; - lex_ctx_t context; + lex_ctx context; + + /* for prototypes - first we generate all the + * globals, and we remember teh function-defs + * so we can later fill in the entry pos + * + * remember the ID: + */ + qcint code_function_def; /* for temp allocation */ size_t run_id; struct ir_builder_s *owner; -} ir_function; - -ir_function* ir_function_new(struct ir_builder_s *owner); -void ir_function_delete(ir_function*); - -void ir_function_collect_value(ir_function*, ir_value *value); - -void ir_function_set_name(ir_function*, const char *name); -MEM_VECTOR_PROTO(ir_function, int, params) -MEM_VECTOR_PROTO(ir_function, ir_block*, blocks) -ir_value* ir_function_get_local(ir_function *self, const char *name); -ir_value* ir_function_create_local(ir_function *self, const char *name, int vtype); - -void ir_function_finalize(ir_function*); -/* -void ir_function_naive_phi(ir_function*); -void ir_function_enumerate(ir_function*); -void ir_function_calculate_liferanges(ir_function*); -*/ + /* vararg support: */ + size_t max_varargs; +} ir_function; -ir_block* ir_function_create_block(ir_function*, const char *label); +#define IR_FLAG_HAS_ARRAYS (1<<1) +#define IR_FLAG_HAS_UNINITIALIZED (1<<2) +#define IR_FLAG_HAS_GOTO (1<<3) +#define IR_FLAG_INCLUDE_DEF (1<<4) +#define IR_FLAG_MASK_NO_OVERLAP (IR_FLAG_HAS_ARRAYS | IR_FLAG_HAS_UNINITIALIZED) +#define IR_FLAG_MASK_NO_LOCAL_TEMPS (IR_FLAG_HAS_ARRAYS | IR_FLAG_HAS_UNINITIALIZED) -void ir_function_dump(ir_function*, char *ind, int (*oprintf)(const char*,...)); +ir_value* ir_function_create_local(ir_function *self, const char *name, int vtype, bool param); +bool GMQCC_WARN ir_function_finalize(ir_function*); +ir_block* ir_function_create_block(lex_ctx ctx, ir_function*, const char *label); /* builder */ +#define IR_HT_SIZE 1024 typedef struct ir_builder_s { char *name; - MEM_VECTOR_MAKE(ir_function*, functions); - MEM_VECTOR_MAKE(ir_value*, globals); + ir_function **functions; + ir_value **globals; + ir_value **fields; + + ht htfunctions; + ht htglobals; + ht htfields; + + ir_value **extparams; + ir_value **extparam_protos; + + /* the highest func->allocated_locals */ + size_t max_locals; + size_t max_globaltemps; + uint32_t first_common_local; + uint32_t first_common_globaltemp; + + const char **filenames; + qcint *filestrings; + /* we cache the #IMMEDIATE string here */ + qcint str_immediate; + /* there should just be this one nil */ + ir_value *nil; + ir_value *reserved_va_count; } ir_builder; -ir_builder* ir_builder_new(const char *modulename); -void ir_builder_delete(ir_builder*); - -void ir_builder_set_name(ir_builder *self, const char *name); - -MEM_VECTOR_PROTO(ir_builder, ir_function*, functions) -MEM_VECTOR_PROTO(ir_builder, ir_value*, globals) +ir_builder* ir_builder_new(const char *modulename); +void ir_builder_delete(ir_builder*); +ir_function* ir_builder_create_function(ir_builder*, const char *name, int outtype); +ir_value* ir_builder_create_global(ir_builder*, const char *name, int vtype); +ir_value* ir_builder_create_field(ir_builder*, const char *name, int vtype); +ir_value* ir_builder_get_va_count(ir_builder*); +bool ir_builder_generate(code_t *, ir_builder *self, const char *filename); +void ir_builder_dump(ir_builder*, int (*oprintf)(const char*, ...)); -ir_function* ir_builder_get_function(ir_builder*, const char *fun); -ir_function* ir_builder_create_function(ir_builder*, const char *name); - -ir_value* ir_builder_get_global(ir_builder*, const char *fun); -ir_value* ir_builder_create_global(ir_builder*, const char *name, int vtype); - -void ir_builder_dump(ir_builder*, int (*oprintf)(const char*, ...)); +/* + * This code assumes 32 bit floats while generating binary + * Blub: don't use extern here, it's annoying and shows up in nm + * for some reason :P + */ +typedef int static_assert_is_32bit_float [(sizeof(int32_t) == 4)?1:-1]; +typedef int static_assert_is_32bit_integer[(sizeof(qcfloat) == 4)?1:-1]; #endif