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Some intrinsic code cleanup. The args check is handled anyways in the parser. We use a generated array alongside to prevent generating the intrinsic multiple times instead of using static storage. Other various cleanups as well.

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This commit is contained in:
Dale Weiler 2013-10-16 00:04:39 -04:00
parent eca82511c6
commit 50d165e173
3 changed files with 262 additions and 261 deletions
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516
intrin.c
View file

@ -34,20 +34,22 @@
*/
#define intrin_ctx(I) parser_ctx((I)->parser)
static GMQCC_INLINE ast_function *intrin_value(intrin_t *intrin, ast_value **value, const char *name, qcint_t vtype) {
ast_function *func = NULL;
static GMQCC_INLINE ast_function *intrin_value(intrin_t *intrin, ast_value **out, const char *name, qcint_t vtype) {
ast_value *value = NULL;
ast_function *func = NULL;
char buffer[1024];
char stype [1024];
util_snprintf(buffer, sizeof(buffer), "__builtin_%s", name);
util_snprintf(stype, sizeof(stype), "<%s>", type_name[vtype]);
*value = ast_value_new(intrin_ctx(intrin), buffer, TYPE_FUNCTION);
(*value)->intrinsic = true;
(*value)->expression.next = (ast_expression*)ast_value_new(intrin_ctx(intrin), stype, vtype);
func = ast_function_new(intrin_ctx(intrin), buffer, *value);
(*value)->expression.flags |= AST_FLAG_ERASEABLE;
value = ast_value_new(intrin_ctx(intrin), buffer, TYPE_FUNCTION);
value->intrinsic = true;
value->expression.next = (ast_expression*)ast_value_new(intrin_ctx(intrin), stype, vtype);
func = ast_function_new(intrin_ctx(intrin), buffer, value);
value->expression.flags |= AST_FLAG_ERASEABLE;
*out = value;
return func;
}
@ -73,132 +75,129 @@ static ast_expression *intrin_pow (intrin_t *intrin) {
* return local;
* }
*/
static ast_value *value = NULL;
ast_value *value = NULL;
ast_value *arg1 = ast_value_new(intrin_ctx(intrin), "x", TYPE_FLOAT);
ast_value *arg2 = ast_value_new(intrin_ctx(intrin), "y", TYPE_FLOAT);
ast_value *local = ast_value_new(intrin_ctx(intrin), "local", TYPE_FLOAT);
ast_block *body = ast_block_new(intrin_ctx(intrin));
ast_block *l1b = ast_block_new(intrin_ctx(intrin)); /* loop 1 body */
ast_block *l2b = ast_block_new(intrin_ctx(intrin)); /* loop 2 body */
ast_loop *loop1 = NULL;
ast_loop *loop2 = NULL;
ast_function *func = intrin_value(intrin, &value, "pow", TYPE_FLOAT);
if (!value) {
ast_value *arg1 = ast_value_new(parser_ctx(intrin->parser), "x", TYPE_FLOAT);
ast_value *arg2 = ast_value_new(parser_ctx(intrin->parser), "y", TYPE_FLOAT);
ast_value *local = ast_value_new(parser_ctx(intrin->parser), "local", TYPE_FLOAT);
ast_block *body = ast_block_new(parser_ctx(intrin->parser));
ast_block *l1b = ast_block_new(parser_ctx(intrin->parser)); /* loop 1 body */
ast_block *l2b = ast_block_new(parser_ctx(intrin->parser)); /* loop 2 body */
ast_loop *loop1 = NULL;
ast_loop *loop2 = NULL;
ast_function *func = intrin_value(intrin, &value, "pow", TYPE_FLOAT);
/* arguments */
vec_push(value->expression.params, arg1);
vec_push(value->expression.params, arg2);
/* arguments */
vec_push(value->expression.params, arg1);
vec_push(value->expression.params, arg2);
/* local */
vec_push(body->locals, local);
/* local */
vec_push(body->locals, local);
/* assignment to local of value 1.0f */
vec_push(body->exprs,
(ast_expression*)ast_store_new (
intrin_ctx(intrin),
INSTR_STORE_F,
(ast_expression*)local,
(ast_expression*)intrin->fold->imm_float[1] /* 1 == 1.0f */
)
);
/* assignment to local of value 1.0f */
vec_push(body->exprs,
(ast_expression*)ast_store_new (
parser_ctx(intrin->parser),
INSTR_STORE_F,
(ast_expression*)local,
(ast_expression*)intrin->fold->imm_float[1] /* 1 == 1.0f */
)
);
/* y >>= 2 */
vec_push(l2b->exprs,
(ast_expression*)ast_binstore_new (
intrin_ctx(intrin),
INSTR_STORE_F,
INSTR_MUL_F,
(ast_expression*)arg2,
(ast_expression*)fold_constgen_float(intrin->parser->fold, 0.25f)
)
);
/* y >>= 2 */
vec_push(l2b->exprs,
(ast_expression*)ast_binstore_new (
parser_ctx(intrin->parser),
INSTR_STORE_F,
INSTR_MUL_F,
(ast_expression*)arg2,
(ast_expression*)fold_constgen_float(intrin->parser->fold, 0.25f)
)
);
/* x *= x */
vec_push(l2b->exprs,
(ast_expression*)ast_binstore_new (
intrin_ctx(intrin),
INSTR_STORE_F,
INSTR_MUL_F,
(ast_expression*)arg1,
(ast_expression*)arg1
)
);
/* x *= x */
vec_push(l2b->exprs,
(ast_expression*)ast_binstore_new (
parser_ctx(intrin->parser),
INSTR_STORE_F,
INSTR_MUL_F,
(ast_expression*)arg1,
(ast_expression*)arg1
)
);
/* while (!(y&1)) */
loop2 = ast_loop_new (
intrin_ctx(intrin),
NULL,
(ast_expression*)ast_binary_new (
intrin_ctx(intrin),
INSTR_AND,
(ast_expression*)arg2,
(ast_expression*)intrin->fold->imm_float[1] /* 1 == 1.0f */
),
true, /* ! not */
NULL,
false,
NULL,
(ast_expression*)l2b
);
/* while (!(y&1)) */
loop2 = ast_loop_new (
parser_ctx(intrin->parser),
NULL,
(ast_expression*)ast_binary_new (
parser_ctx(intrin->parser),
INSTR_AND,
(ast_expression*)arg2,
(ast_expression*)intrin->fold->imm_float[1] /* 1 == 1.0f */
),
true, /* ! not */
NULL,
false,
NULL,
(ast_expression*)l2b
);
/* push nested loop into loop expressions */
vec_push(l1b->exprs, (ast_expression*)loop2);
/* push nested loop into loop expressions */
vec_push(l1b->exprs, (ast_expression*)loop2);
/* y-- */
vec_push(l1b->exprs,
(ast_expression*)ast_binstore_new (
intrin_ctx(intrin),
INSTR_STORE_F,
INSTR_SUB_F,
(ast_expression*)arg2,
(ast_expression*)intrin->fold->imm_float[1] /* 1 == 1.0f */
)
);
/* local *= x */
vec_push(l1b->exprs,
(ast_expression*)ast_binstore_new (
intrin_ctx(intrin),
INSTR_STORE_F,
INSTR_MUL_F,
(ast_expression*)local,
(ast_expression*)arg1
)
);
/* y-- */
vec_push(l1b->exprs,
(ast_expression*)ast_binstore_new (
parser_ctx(intrin->parser),
INSTR_STORE_F,
INSTR_SUB_F,
(ast_expression*)arg2,
(ast_expression*)intrin->fold->imm_float[1] /* 1 == 1.0f */
)
);
/* local *= x */
vec_push(l1b->exprs,
(ast_expression*)ast_binstore_new (
parser_ctx(intrin->parser),
INSTR_STORE_F,
INSTR_MUL_F,
(ast_expression*)local,
(ast_expression*)arg1
)
);
/* while (y > 0) */
loop1 = ast_loop_new (
intrin_ctx(intrin),
NULL,
(ast_expression*)ast_binary_new (
intrin_ctx(intrin),
INSTR_GT,
(ast_expression*)arg2,
(ast_expression*)intrin->fold->imm_float[0] /* 0 == 0.0f */
),
false,
NULL,
false,
NULL,
(ast_expression*)l1b
);
/* while (y > 0) */
loop1 = ast_loop_new (
parser_ctx(intrin->parser),
NULL,
(ast_expression*)ast_binary_new (
parser_ctx(intrin->parser),
INSTR_GT,
(ast_expression*)arg2,
(ast_expression*)intrin->fold->imm_float[0] /* 0 == 0.0f */
),
false,
NULL,
false,
NULL,
(ast_expression*)l1b
);
/* push the loop1 into the body for the function */
vec_push(body->exprs, (ast_expression*)loop1);
/* push the loop1 into the body for the function */
vec_push(body->exprs, (ast_expression*)loop1);
/* return local; */
vec_push(body->exprs,
(ast_expression*)ast_return_new (
intrin_ctx(intrin),
(ast_expression*)local
)
);
/* return local; */
vec_push(body->exprs,
(ast_expression*)ast_return_new (
parser_ctx(intrin->parser),
(ast_expression*)local
)
);
/* push block and register intrin for codegen */
vec_push(func->blocks, body);
/* push block and register intrin for codegen */
vec_push(func->blocks, body);
intrin_reg(intrin, value, func);
}
intrin_reg(intrin, value, func);
return (ast_expression*)value;
}
@ -209,49 +208,46 @@ static ast_expression *intrin_mod(intrin_t *intrin) {
* return x - y * floor(x / y);
* }
*/
static ast_value *value = NULL;
ast_value *value = NULL;
ast_call *call = ast_call_new (intrin_ctx(intrin), intrin_func(intrin, "floor"));
ast_value *arg1 = ast_value_new(intrin_ctx(intrin), "x", TYPE_FLOAT);
ast_value *arg2 = ast_value_new(intrin_ctx(intrin), "y", TYPE_FLOAT);
ast_block *body = ast_block_new(intrin_ctx(intrin));
ast_function *func = intrin_value(intrin, &value, "mod", TYPE_FLOAT);
if (!value) {
ast_call *call = ast_call_new (parser_ctx(intrin->parser), intrin_func(intrin, "floor"));
ast_value *arg1 = ast_value_new(parser_ctx(intrin->parser), "x", TYPE_FLOAT);
ast_value *arg2 = ast_value_new(parser_ctx(intrin->parser), "y", TYPE_FLOAT);
ast_block *body = ast_block_new(parser_ctx(intrin->parser));
ast_function *func = intrin_value(intrin, &value, "mod", TYPE_FLOAT);
/* floor(x/y) */
vec_push(call->params,
(ast_expression*)ast_binary_new (
intrin_ctx(intrin),
INSTR_DIV_F,
(ast_expression*)arg1,
(ast_expression*)arg2
)
);
/* floor(x/y) */
vec_push(call->params,
(ast_expression*)ast_binary_new (
parser_ctx(intrin->parser),
INSTR_DIV_F,
vec_push(body->exprs,
(ast_expression*)ast_return_new(
intrin_ctx(intrin),
(ast_expression*)ast_binary_new(
intrin_ctx(intrin),
INSTR_SUB_F,
(ast_expression*)arg1,
(ast_expression*)arg2
)
);
vec_push(body->exprs,
(ast_expression*)ast_return_new(
parser_ctx(intrin->parser),
(ast_expression*)ast_binary_new(
parser_ctx(intrin->parser),
INSTR_SUB_F,
(ast_expression*)arg1,
(ast_expression*)ast_binary_new(
parser_ctx(intrin->parser),
INSTR_MUL_F,
(ast_expression*)arg2,
(ast_expression*)call
)
intrin_ctx(intrin),
INSTR_MUL_F,
(ast_expression*)arg2,
(ast_expression*)call
)
)
);
)
);
vec_push(value->expression.params, arg1); /* float x (for param) */
vec_push(value->expression.params, arg2); /* float y (for param) */
vec_push(value->expression.params, arg1); /* float x (for param) */
vec_push(value->expression.params, arg2); /* float y (for param) */
vec_push(func->blocks, body); /* {{{ body }}} */
vec_push(func->blocks, body); /* {{{ body }}} */
intrin_reg(intrin, value, func);
}
intrin_reg(intrin, value, func);
return (ast_expression*)value;
}
@ -262,32 +258,29 @@ static ast_expression *intrin_exp(intrin_t *intrin) {
* return pow(QC_M_E, x);
* }
*/
static ast_value *value = NULL;
ast_value *value = NULL;
ast_call *call = ast_call_new (intrin_ctx(intrin), intrin_func(intrin, "pow"));
ast_value *arg1 = ast_value_new(intrin_ctx(intrin), "x", TYPE_FLOAT);
ast_block *body = ast_block_new(intrin_ctx(intrin));
ast_function *func = intrin_value(intrin, &value, "exp", TYPE_FLOAT);
if (!value) {
ast_call *call = ast_call_new (parser_ctx(intrin->parser), intrin_func(intrin, "pow"));
ast_value *arg1 = ast_value_new(parser_ctx(intrin->parser), "x", TYPE_FLOAT);
ast_block *body = ast_block_new(parser_ctx(intrin->parser));
ast_function *func = intrin_value(intrin, &value, "exp", TYPE_FLOAT);
/* push arguments for params to call */
vec_push(call->params, (ast_expression*)fold_constgen_float(intrin->fold, QC_M_E));
vec_push(call->params, (ast_expression*)arg1);
/* push arguments for params to call */
vec_push(call->params, (ast_expression*)fold_constgen_float(intrin->fold, QC_M_E));
vec_push(call->params, (ast_expression*)arg1);
/* return pow(QC_M_E, x) */
vec_push(body->exprs,
(ast_expression*)ast_return_new(
intrin_ctx(intrin),
(ast_expression*)call
)
);
/* return pow(QC_M_E, x) */
vec_push(body->exprs,
(ast_expression*)ast_return_new(
parser_ctx(intrin->parser),
(ast_expression*)call
)
);
vec_push(value->expression.params, arg1); /* float x (for param) */
vec_push(value->expression.params, arg1); /* float x (for param) */
vec_push(func->blocks, body); /* {{{ body }}} */
vec_push(func->blocks, body); /* {{{ body }}} */
intrin_reg(intrin, value, func);
}
intrin_reg(intrin, value, func);
return (ast_expression*)value;
}
@ -301,41 +294,38 @@ static ast_expression *intrin_isnan(intrin_t *intrin) {
* return (x != local);
* }
*/
static ast_value *value = NULL;
ast_value *value = NULL;
ast_value *arg1 = ast_value_new(intrin_ctx(intrin), "x", TYPE_FLOAT);
ast_value *local = ast_value_new(intrin_ctx(intrin), "local", TYPE_FLOAT);
ast_block *body = ast_block_new(intrin_ctx(intrin));
ast_function *func = intrin_value(intrin, &value, "isnan", TYPE_FLOAT);
if (!value) {
ast_value *arg1 = ast_value_new(parser_ctx(intrin->parser), "x", TYPE_FLOAT);
ast_value *local = ast_value_new(parser_ctx(intrin->parser), "local", TYPE_FLOAT);
ast_block *body = ast_block_new(parser_ctx(intrin->parser));
ast_function *func = intrin_value(intrin, &value, "isnan", TYPE_FLOAT);
vec_push(body->locals, local);
vec_push(body->exprs,
(ast_expression*)ast_store_new(
intrin_ctx(intrin),
INSTR_STORE_F,
(ast_expression*)local,
(ast_expression*)arg1
)
);
vec_push(body->locals, local);
vec_push(body->exprs,
(ast_expression*)ast_store_new(
parser_ctx(intrin->parser),
INSTR_STORE_F,
(ast_expression*)local,
(ast_expression*)arg1
vec_push(body->exprs,
(ast_expression*)ast_return_new(
intrin_ctx(intrin),
(ast_expression*)ast_binary_new(
intrin_ctx(intrin),
INSTR_NE_F,
(ast_expression*)arg1,
(ast_expression*)local
)
);
)
);
vec_push(body->exprs,
(ast_expression*)ast_return_new(
parser_ctx(intrin->parser),
(ast_expression*)ast_binary_new(
parser_ctx(intrin->parser),
INSTR_NE_F,
(ast_expression*)arg1,
(ast_expression*)local
)
)
);
vec_push(value->expression.params, arg1);
vec_push(func->blocks, body);
vec_push(value->expression.params, arg1);
vec_push(func->blocks, body);
intrin_reg(intrin, value, func);
}
intrin_reg(intrin, value, func);
return (ast_expression*)value;
}
@ -346,39 +336,37 @@ static ast_expression *intrin_fabs(intrin_t *intrin) {
* return x < 0 ? -x : x;
* }
*/
static ast_value *value = NULL;
if (!value) {
ast_value *arg1 = ast_value_new(parser_ctx(intrin->parser), "x", TYPE_FLOAT);
ast_block *body = ast_block_new(parser_ctx(intrin->parser));
ast_function *func = intrin_value(intrin, &value, "fabs", TYPE_FLOAT);
ast_value *value = NULL;
ast_value *arg1 = ast_value_new(intrin_ctx(intrin), "x", TYPE_FLOAT);
ast_block *body = ast_block_new(intrin_ctx(intrin));
ast_function *func = intrin_value(intrin, &value, "fabs", TYPE_FLOAT);
vec_push(body->exprs,
(ast_expression*)ast_return_new(
parser_ctx(intrin->parser),
(ast_expression*)ast_ternary_new(
parser_ctx(intrin->parser),
(ast_expression*)ast_binary_new(
parser_ctx(intrin->parser),
INSTR_LE,
(ast_expression*)arg1,
(ast_expression*)intrin->fold->imm_float[0]
),
(ast_expression*)ast_binary_new(
parser_ctx(intrin->parser),
INSTR_SUB_F,
(ast_expression*)intrin->fold->imm_float[0],
(ast_expression*)arg1
),
vec_push(body->exprs,
(ast_expression*)ast_return_new(
intrin_ctx(intrin),
(ast_expression*)ast_ternary_new(
intrin_ctx(intrin),
(ast_expression*)ast_binary_new(
intrin_ctx(intrin),
INSTR_LE,
(ast_expression*)arg1,
(ast_expression*)intrin->fold->imm_float[0]
),
(ast_expression*)ast_binary_new(
intrin_ctx(intrin),
INSTR_SUB_F,
(ast_expression*)intrin->fold->imm_float[0],
(ast_expression*)arg1
)
),
(ast_expression*)arg1
)
);
)
);
vec_push(value->expression.params, arg1);
vec_push(func->blocks, body);
vec_push(value->expression.params, arg1);
vec_push(func->blocks, body);
intrin_reg(intrin, value, func);
}
intrin_reg(intrin, value, func);
return (ast_expression*)value;
}
@ -393,12 +381,12 @@ ast_expression *intrin_debug_typestring(intrin_t *intrin) {
}
static const intrin_func_t intrinsics[] = {
{&intrin_exp, "__builtin_exp", "exp", 1},
{&intrin_mod, "__builtin_mod", "mod", 2},
{&intrin_pow, "__builtin_pow", "pow", 2},
{&intrin_isnan, "__builtin_isnan", "isnan", 1},
{&intrin_fabs, "__builtin_fabs", "fabs", 1},
{&intrin_debug_typestring, "__builtin_debug_typestring", "", 0}
{&intrin_exp, "__builtin_exp", "exp"},
{&intrin_mod, "__builtin_mod", "mod"},
{&intrin_pow, "__builtin_pow", "pow"},
{&intrin_isnan, "__builtin_isnan", "isnan"},
{&intrin_fabs, "__builtin_fabs", "fabs"},
{&intrin_debug_typestring, "__builtin_debug_typestring", ""}
};
static void intrin_error(intrin_t *intrin, const char *fmt, ...) {
@ -411,55 +399,65 @@ static void intrin_error(intrin_t *intrin, const char *fmt, ...) {
/* exposed */
intrin_t *intrin_init(parser_t *parser) {
intrin_t *intrin = (intrin_t*)mem_a(sizeof(intrin_t));
size_t i;
intrin->parser = parser;
intrin->fold = parser->fold;
intrin->intrinsics = NULL;
intrin->generated = NULL;
vec_append(intrin->intrinsics, sizeof(intrinsics)/sizeof(*intrinsics), intrinsics);
vec_append(intrin->intrinsics, GMQCC_ARRAY_COUNT(intrinsics), intrinsics);
/* populate with null pointers for tracking generation */
for (i = 0; i < GMQCC_ARRAY_COUNT(intrinsics); i++)
vec_push(intrin->generated, NULL);
return intrin;
}
void intrin_cleanup(intrin_t *intrin) {
vec_free(intrin->intrinsics);
vec_free(intrin->generated);
mem_d(intrin);
}
ast_expression *intrin_fold(intrin_t *intrin, ast_value *value, ast_expression **exprs) {
size_t i;
if (!value || !value->name)
return NULL;
for (i = 0; i < vec_size(intrin->intrinsics); i++) {
if (!strcmp(value->name, intrin->intrinsics[i].name)) {
if (intrin->intrinsics[i].args != vec_size(exprs))
return NULL;
/* +10 to skip the "__builtin_" substring in the string */
for (i = 0; i < vec_size(intrin->intrinsics); i++)
if (!strcmp(value->name, intrin->intrinsics[i].name))
return fold_intrin(intrin->fold, value->name + 10, exprs);
}
}
return NULL;
}
static GMQCC_INLINE ast_expression *intrin_func_try(intrin_t *intrin, size_t offset, const char *compare) {
size_t i;
for (i = 0; i < vec_size(intrin->intrinsics); i++) {
if (strcmp(*(char **)((char *)&intrin->intrinsics[i] + offset), compare))
continue;
if (intrin->generated[i])
return intrin->generated[i];
return intrin->generated[i] = intrin->intrinsics[i].intrin(intrin);
}
return NULL;
}
ast_expression *intrin_func(intrin_t *intrin, const char *name) {
size_t i = 0;
void *find;
size_t i;
ast_expression *find;
/* try current first */
if ((find = (void*)parser_find_global(intrin->parser, name)) && ((ast_value*)find)->expression.vtype == TYPE_FUNCTION)
if ((find = parser_find_global(intrin->parser, name)) && ((ast_value*)find)->expression.vtype == TYPE_FUNCTION)
for (i = 0; i < vec_size(intrin->parser->functions); ++i)
if (((ast_value*)find)->name && !strcmp(intrin->parser->functions[i]->name, ((ast_value*)find)->name) && intrin->parser->functions[i]->builtin < 0)
return (ast_expression*)find;
return find;
/* try name second */
for (i = 0; i < vec_size(intrin->intrinsics); i++)
if (!strcmp(intrin->intrinsics[i].name, name))
return intrin->intrinsics[i].intrin(intrin);
if ((find = intrin_func_try(intrin, offsetof(intrin_func_t, name), name)))
return find;
/* try alias third */
for (i = 0; i < vec_size(intrin->intrinsics); i++)
if (!strcmp(intrin->intrinsics[i].alias, name))
return intrin->intrinsics[i].intrin(intrin);
if ((find = intrin_func_try(intrin, offsetof(intrin_func_t, alias), name)))
return find;
intrin_error(intrin, "need function: `%s` compiler depends on it", name);
return NULL;

3
parser.c
View file

@ -372,6 +372,7 @@ static bool parser_sy_apply_operator(parser_t *parser, shunt *sy)
#define NotSameType(T) \
(exprs[0]->vtype != exprs[1]->vtype || \
exprs[0]->vtype != T)
switch (op->id)
{
default:
@ -468,6 +469,7 @@ static bool parser_sy_apply_operator(parser_t *parser, shunt *sy)
case opid2('-','P'):
if ((out = fold_op(parser->fold, op, exprs)))
break;
if (exprs[0]->vtype != TYPE_FLOAT &&
exprs[0]->vtype != TYPE_VECTOR) {
compile_error(ctx, "invalid types used in unary expression: cannot negate type %s",
@ -970,6 +972,7 @@ static bool parser_sy_apply_operator(parser_t *parser, shunt *sy)
out = (ast_expression*)ast_binary_new(ctx, subop,
out,
(ast_expression*)parser->fold->imm_float[1]);
break;
case opid2('+','='):
case opid2('-','='):

4
parser.h
View file

@ -43,11 +43,11 @@ typedef struct {
ast_expression *(*intrin)(intrin_t *);
const char *name;
const char *alias;
size_t args;
} intrin_func_t;
struct intrin_s {
intrin_func_t *intrinsics; /* vector<intrin_func_t> */
intrin_func_t *intrinsics; /* vector<intrin_func_t> */
ast_expression **generated; /* vector<ast_expression*> */
parser_t *parser;
fold_t *fold;
};