X-Git-Url: https://git.xonotic.org/?p=xonotic%2Fgmqcc.git;a=blobdiff_plain;f=ir.h;h=b62b09dc8757729d31ced38e9c258e1a30ffffbe;hp=05b7447d2e2daa391553b4400bae360f8a3a20ec;hb=d6ca5673dc7f2760faca1200477808d919a290ca;hpb=d4483bfda63dac509144741c1f0e11d68d989b66 diff --git a/ir.h b/ir.h index 05b7447..b62b09d 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 @@ -22,8 +22,7 @@ */ #ifndef GMQCC_IR_HDR #define GMQCC_IR_HDR - -/* ir_value */ +#include "gmqcc.h" typedef struct { @@ -37,13 +36,14 @@ typedef struct ir_value_s { char *name; int vtype; int store; - lex_ctx context; + lex_ctx_t 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; @@ -53,7 +53,7 @@ typedef struct ir_value_s { union { float vfloat; int vint; - vector vvec; + vec3_t vvec; int32_t ivec[3]; char *vstring; struct ir_value_s *vpointer; @@ -85,42 +85,19 @@ typedef struct ir_value_s { ir_life_entry_t *life; } ir_value; -int32_t ir_value_code_addr(const 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*); -bool ir_value_set_name(ir_value*, const char *name); -ir_value* ir_value_vector_member(ir_value*, unsigned int member); - -bool GMQCC_WARN vec_ir_value_find(ir_value **vec, const ir_value *what, size_t *idx); - +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); -#if 0 -bool GMQCC_WARN ir_value_set_int(ir_value*, int i); -#endif 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_vector(ir_value*, vec3_t v); bool GMQCC_WARN ir_value_set_field(ir_value*, ir_value *fld); -/*bool ir_value_set_pointer_v(ir_value*, ir_value* p); */ -/*bool ir_value_set_pointer_i(ir_value*, int i); */ - -/* merge an instruction into the life-range */ -/* returns false if the lifepoint was already known */ -bool ir_value_life_merge(ir_value*, size_t); -bool ir_value_life_merge_into(ir_value*, const ir_value*); -/* check if a value lives at a specific point */ -bool ir_value_lives(ir_value*, size_t); -/* check if the life-range of 2 values overlaps */ -bool ir_values_overlap(const ir_value*, const ir_value*); - -void ir_value_dump(ir_value*, int (*oprintf)(const char*,...)); -void ir_value_dump_life(const ir_value *self, int (*oprintf)(const char*,...)); +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 @@ -133,7 +110,7 @@ typedef struct ir_phi_entry_s typedef struct ir_instr_s { int opcode; - lex_ctx context; + lex_ctx_t context; ir_value* (_ops[3]); struct ir_block_s* (bops[2]); @@ -149,20 +126,11 @@ typedef struct ir_instr_s struct ir_block_s *owner; } ir_instr; -ir_instr* ir_instr_new(lex_ctx ctx, struct ir_block_s *owner, int opcode); -void ir_instr_delete(ir_instr*); - -bool GMQCC_WARN vec_ir_instr_find(ir_instr **vec, ir_instr *what, size_t *idx); - -bool ir_instr_op(ir_instr*, int op, ir_value *value, bool writing); - -void ir_instr_dump(ir_instr* in, char *ind, int (*oprintf)(const char*,...)); - /* block */ typedef struct ir_block_s { char *label; - lex_ctx context; + lex_ctx_t context; bool final; /* once a jump is added we're done */ ir_instr **instr; @@ -171,9 +139,9 @@ typedef struct ir_block_s ir_value **living; /* For the temp-allocation */ + size_t entry_id; size_t eid; bool is_return; - size_t run_id; struct ir_function_s *owner; @@ -181,40 +149,26 @@ typedef struct ir_block_s size_t code_start; } ir_block; -ir_block* ir_block_new(struct ir_function_s *owner, const char *label); -void ir_block_delete(ir_block*); - -bool ir_block_set_label(ir_block*, const char *label); - -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_store(ir_block*, lex_ctx, ir_value *target, ir_value *what); -bool GMQCC_WARN ir_block_create_storep(ir_block*, lex_ctx, ir_value *target, ir_value *what); - -/* field must be of TYPE_FIELD */ -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_binop(ir_block*, lex_ctx_t, const char *label, int op, ir_value *left, ir_value *right); +ir_value* ir_block_create_unary(ir_block*, lex_ctx_t, const char *label, int op, ir_value *operand); +bool GMQCC_WARN ir_block_create_store_op(ir_block*, lex_ctx_t, int op, ir_value *target, ir_value *what); +bool GMQCC_WARN ir_block_create_storep(ir_block*, lex_ctx_t, ir_value *target, ir_value *what); +ir_value* ir_block_create_load_from_ent(ir_block*, lex_ctx_t, const char *label, ir_value *ent, ir_value *field, int outype); +ir_value* ir_block_create_fieldaddress(ir_block*, lex_ctx_t, const char *label, ir_value *entity, ir_value *field); /* This is to create an instruction of the form * %label := opcode a, b */ -ir_value* ir_block_create_general_instr(ir_block *self, lex_ctx, const char *label, - int op, ir_value *a, ir_value *b, int outype); - -ir_instr* ir_block_create_phi(ir_block*, lex_ctx, const char *label, int vtype); +ir_instr* ir_block_create_phi(ir_block*, lex_ctx_t, const char *label, int vtype); ir_value* ir_phi_value(ir_instr*); 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_instr* ir_block_create_call(ir_block*, lex_ctx_t, const char *label, ir_value *func, bool noreturn); ir_value* ir_call_value(ir_instr*); void ir_call_param(ir_instr*, ir_value*); -bool GMQCC_WARN ir_block_create_return(ir_block*, lex_ctx, ir_value *opt_value); +bool GMQCC_WARN ir_block_create_return(ir_block*, lex_ctx_t, ir_value *opt_value); -bool GMQCC_WARN ir_block_create_if(ir_block*, lex_ctx, ir_value *cond, +bool GMQCC_WARN ir_block_create_if(ir_block*, lex_ctx_t, 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 @@ -222,13 +176,10 @@ bool GMQCC_WARN ir_block_create_if(ir_block*, lex_ctx, ir_value *cond, * A goto usually becomes an OP_GOTO in the resulting code, * whereas a 'jump' usually doesn't add any actual instruction. */ -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); - -void ir_block_dump(ir_block*, char *ind, int (*oprintf)(const char*,...)); +bool GMQCC_WARN ir_block_create_jump(ir_block*, lex_ctx_t, ir_block *to); +bool GMQCC_WARN ir_block_create_goto(ir_block*, lex_ctx_t, ir_block *to); /* function */ - typedef struct ir_function_s { char *name; @@ -257,7 +208,7 @@ typedef struct ir_function_s ir_block* first; ir_block* last; - lex_ctx context; + lex_ctx_t context; /* for prototypes - first we generate all the * globals, and we remember teh function-defs @@ -265,37 +216,27 @@ typedef struct ir_function_s * * remember the ID: */ - qcint code_function_def; + qcint_t code_function_def; /* for temp allocation */ size_t run_id; struct ir_builder_s *owner; + + /* vararg support: */ + size_t max_varargs; } ir_function; + #define IR_FLAG_HAS_ARRAYS (1<<1) #define IR_FLAG_HAS_UNINITIALIZED (1<<2) #define IR_FLAG_HAS_GOTO (1<<3) -#define IR_FLAG_MASK_NO_OVERLAP (IR_FLAG_HAS_ARRAYS | IR_FLAG_HAS_UNINITIALIZED) - -ir_function* ir_function_new(struct ir_builder_s *owner, int returntype); -void ir_function_delete(ir_function*); - -void ir_function_collect_value(ir_function*, ir_value *value); - -bool ir_function_set_name(ir_function*, const char *name); - -ir_value* ir_function_create_local(ir_function *self, const char *name, int vtype, bool param); +#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) +ir_value* ir_function_create_local(ir_function *self, const char *name, int vtype, bool param); bool GMQCC_WARN ir_function_finalize(ir_function*); -/* -bool ir_function_naive_phi(ir_function*); -bool ir_function_enumerate(ir_function*); -bool ir_function_calculate_liferanges(ir_function*); -*/ - -ir_block* ir_function_create_block(lex_ctx ctx, ir_function*, const char *label); - -void ir_function_dump(ir_function*, char *ind, int (*oprintf)(const char*,...)); +ir_block* ir_function_create_block(lex_ctx_t ctx, ir_function*, const char *label); /* builder */ #define IR_HT_SIZE 1024 @@ -320,30 +261,32 @@ typedef struct ir_builder_s uint32_t first_common_globaltemp; const char **filenames; - qcint *filestrings; + qcint_t *filestrings; /* we cache the #IMMEDIATE string here */ - qcint str_immediate; -} ir_builder; - -ir_builder* ir_builder_new(const char *modulename); -void ir_builder_delete(ir_builder*); + qcint_t str_immediate; + /* there should just be this one nil */ + ir_value *nil; + ir_value *reserved_va_count; -bool ir_builder_set_name(ir_builder *self, const char *name); + /* code generator */ + code_t *code; +} ir_builder; -ir_function* ir_builder_get_function(ir_builder*, const char *fun); +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(ir_builder *self, const char *filename); +void ir_builder_dump(ir_builder*, int (*oprintf)(const char*, ...)); -ir_value* ir_builder_get_global(ir_builder*, const char *fun); -ir_value* ir_builder_create_global(ir_builder*, const char *name, int vtype); -ir_value* ir_builder_get_field(ir_builder*, const char *fun); -ir_value* ir_builder_create_field(ir_builder*, const char *name, int vtype); - -bool ir_builder_generate(ir_builder *self, const char *filename); - -void ir_builder_dump(ir_builder*, int (*oprintf)(const char*, ...)); - -/* This code assumes 32 bit floats while generating binary */ -extern int check_int_and_float_size -[ (sizeof(int32_t) == sizeof(qcfloat)) ? 1 : -1 ]; +/* + * 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_t) == 4)?1:-1]; #endif