#include "ast.h"
#include "parser.h"
-#include "platform.h"
#define FOLD_STRING_UNTRANSLATE_HTSIZE 1024
#define FOLD_STRING_DOTRANSLATE_HTSIZE 1024
((ast_expression*)(X))->vtype != TYPE_FUNCTION)
#define fold_can_2(X, Y) (fold_can_1(X) && fold_can_1(Y))
-#define fold_can_div(X) (fold_immvalue_float(X) != 0.0f)
#define fold_immvalue_float(E) ((E)->constval.vfloat)
#define fold_immvalue_vector(E) ((E)->constval.vvec)
#define fold_immvalue_string(E) ((E)->constval.vstring)
-#ifdef INFINITY
-# define fold_infinity_float INFINITY
-#else
-# define fold_infinity_float (1.0 / 0.0)
-#endif /*! INFINITY */
-
-#define fold_infinity_vector \
- vec3_create( \
- fold_infinity_float, \
- fold_infinity_float, \
- fold_infinity_float \
- )
-
fold_t *fold_init(parser_t *parser) {
fold_t *fold = (fold_t*)mem_a(sizeof(fold_t));
fold->parser = parser;
(void)fold_constgen_float (fold, 0.0f);
(void)fold_constgen_float (fold, 1.0f);
(void)fold_constgen_float (fold, -1.0f);
- (void)fold_constgen_float (fold, fold_infinity_float); /* +inf */
(void)fold_constgen_vector(fold, vec3_create(0.0f, 0.0f, 0.0f));
(void)fold_constgen_vector(fold, vec3_create(-1.0f, -1.0f, -1.0f));
- (void)fold_constgen_vector(fold, fold_infinity_vector); /* +inf */
return fold;
}
size_t i;
for (i = 0; i < vec_size(fold->imm_float); i++) {
- if (fold->imm_float[i]->constval.vfloat == value)
+ if (!memcmp(&fold->imm_float[i]->constval.vfloat, &value, sizeof(qcfloat_t)))
return (ast_expression*)fold->imm_float[i];
}
if (translate) {
char name[32];
- platform_snprintf(name, sizeof(name), "dotranslate_%lu", (unsigned long)(fold->parser->translated++));
+ util_snprintf(name, sizeof(name), "dotranslate_%lu", (unsigned long)(fold->parser->translated++));
out = ast_value_new(parser_ctx(fold->parser), name, TYPE_STRING);
out->expression.flags |= AST_FLAG_INCLUDE_DEF; /* def needs to be included for translatables */
} else
static GMQCC_INLINE ast_expression *fold_op_div(fold_t *fold, ast_value *a, ast_value *b) {
if (isfloat(a)) {
if (fold_can_2(a, b)) {
- if (fold_can_div(b))
- return fold_constgen_float(fold, fold_immvalue_float(a) / fold_immvalue_float(b));
- else
- return (ast_expression*)fold->imm_float[3]; /* inf */
+ return fold_constgen_float(fold, fold_immvalue_float(a) / fold_immvalue_float(b));
} else if (fold_can_1(b)) {
return (ast_expression*)ast_binary_new(
fold_ctx(fold),
}
} else if (isvector(a)) {
if (fold_can_2(a, b)) {
- if (fold_can_div(b)) {
- return fold_constgen_vector(fold, vec3_mulvf(fold_immvalue_vector(a), 1.0f / fold_immvalue_float(b)));
- }
- else {
- return (ast_expression*)fold->imm_vector[2]; /* inf */
- }
+ return fold_constgen_vector(fold, vec3_mulvf(fold_immvalue_vector(a), 1.0f / fold_immvalue_float(b)));
} else {
return (ast_expression*)ast_binary_new(
fold_ctx(fold),
}
static GMQCC_INLINE ast_expression *fold_op_mod(fold_t *fold, ast_value *a, ast_value *b) {
- if (fold_can_2(a, b)) {
- if (fold_can_div(b))
- return fold_constgen_float(fold, (qcfloat_t)(((qcint_t)fold_immvalue_float(a)) % ((qcint_t)fold_immvalue_float(b))));
- else
- return (ast_expression*)fold->imm_float[3]; /* inf */
- }
- return NULL;
+ return (fold_can_2(a, b))
+ ? fold_constgen_float(fold, fmod(fold_immvalue_float(a), fold_immvalue_float(b)))
+ : NULL;
}
static GMQCC_INLINE ast_expression *fold_op_bor(fold_t *fold, ast_value *a, ast_value *b) {
}
ast_expression *fold_intrin(fold_t *fold, const char *intrin, ast_expression **arg) {
- if (!strcmp(intrin, "mod")) return fold_intrin_mod (fold, (ast_value*)arg[0], (ast_value*)arg[1]);
- if (!strcmp(intrin, "pow")) return fold_intrin_pow (fold, (ast_value*)arg[0], (ast_value*)arg[1]);
- if (!strcmp(intrin, "exp")) return fold_intrin_exp (fold, (ast_value*)arg[0]);
- if (!strcmp(intrin, "isnan")) return fold_intrin_isnan(fold, (ast_value*)arg[0]);
- if (!strcmp(intrin, "fabs")) return fold_intrin_fabs (fold, (ast_value*)arg[0]);
+ ast_expression *ret = NULL;
- return NULL;
+ if (!strcmp(intrin, "mod")) ret = fold_intrin_mod (fold, (ast_value*)arg[0], (ast_value*)arg[1]);
+ if (!strcmp(intrin, "pow")) ret = fold_intrin_pow (fold, (ast_value*)arg[0], (ast_value*)arg[1]);
+ if (!strcmp(intrin, "exp")) ret = fold_intrin_exp (fold, (ast_value*)arg[0]);
+ if (!strcmp(intrin, "isnan")) ret = fold_intrin_isnan(fold, (ast_value*)arg[0]);
+ if (!strcmp(intrin, "fabs")) ret = fold_intrin_fabs (fold, (ast_value*)arg[0]);
+
+ if (ret)
+ ++opts_optimizationcount[OPTIM_CONST_FOLD];
+
+ return ret;
}
/*