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Bit check micro-optimization

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This commit is contained in:
Dmitry Stogov 2018-04-28 14:13:12 +03:00
parent 8a719c1b12
commit c88be6aee1
6 changed files with 16 additions and 16 deletions
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4
Zend/zend_vm_def.h
View file

@ -7603,7 +7603,7 @@ ZEND_VM_HANDLER(123, ZEND_TYPE_CHECK, CONST|TMP|VAR|CV, ANY, TYPE_MASK)
zend_free_op free_op1;
value = GET_OP1_ZVAL_PTR_UNDEF(BP_VAR_R);
if ((1 << (uint32_t)Z_TYPE_P(value) & opline->extended_value)) {
if ((opline->extended_value >> (uint32_t)Z_TYPE_P(value)) & 1) {
ZEND_VM_C_LABEL(type_check_resource):
if (EXPECTED(Z_TYPE_P(value) != IS_RESOURCE)
|| EXPECTED(NULL != zend_rsrc_list_get_rsrc_type(Z_RES_P(value)))) {
@ -7611,7 +7611,7 @@ ZEND_VM_C_LABEL(type_check_resource):
}
} else if ((OP1_TYPE & (IS_CV|IS_VAR)) && Z_ISREF_P(value)) {
value = Z_REFVAL_P(value);
if ((1 << (uint32_t)Z_TYPE_P(value) & opline->extended_value)) {
if ((opline->extended_value >> (uint32_t)Z_TYPE_P(value)) & 1) {
ZEND_VM_C_GOTO(type_check_resource);
}
} else if (OP1_TYPE == IS_CV && UNEXPECTED(Z_TYPE_P(value) == IS_UNDEF)) {

16
Zend/zend_vm_execute.h
View file

@ -3908,7 +3908,7 @@ static ZEND_OPCODE_HANDLER_RET ZEND_FASTCALL ZEND_TYPE_CHECK_SPEC_CONST_HANDLER(
value = RT_CONSTANT(opline, opline->op1);
if ((1 << (uint32_t)Z_TYPE_P(value) & opline->extended_value)) {
if ((opline->extended_value >> (uint32_t)Z_TYPE_P(value)) & 1) {
type_check_resource:
if (EXPECTED(Z_TYPE_P(value) != IS_RESOURCE)
|| EXPECTED(NULL != zend_rsrc_list_get_rsrc_type(Z_RES_P(value)))) {
@ -3916,7 +3916,7 @@ type_check_resource:
}
} else if ((IS_CONST & (IS_CV|IS_VAR)) && Z_ISREF_P(value)) {
value = Z_REFVAL_P(value);
if ((1 << (uint32_t)Z_TYPE_P(value) & opline->extended_value)) {
if ((opline->extended_value >> (uint32_t)Z_TYPE_P(value)) & 1) {
goto type_check_resource;
}
} else if (IS_CONST == IS_CV && UNEXPECTED(Z_TYPE_P(value) == IS_UNDEF)) {
@ -18562,7 +18562,7 @@ static ZEND_OPCODE_HANDLER_RET ZEND_FASTCALL ZEND_TYPE_CHECK_SPEC_TMP_HANDLER(ZE
zend_free_op free_op1;
value = _get_zval_ptr_tmp(opline->op1.var, &free_op1 EXECUTE_DATA_CC);
if ((1 << (uint32_t)Z_TYPE_P(value) & opline->extended_value)) {
if ((opline->extended_value >> (uint32_t)Z_TYPE_P(value)) & 1) {
type_check_resource:
if (EXPECTED(Z_TYPE_P(value) != IS_RESOURCE)
|| EXPECTED(NULL != zend_rsrc_list_get_rsrc_type(Z_RES_P(value)))) {
@ -18570,7 +18570,7 @@ type_check_resource:
}
} else if ((IS_TMP_VAR & (IS_CV|IS_VAR)) && Z_ISREF_P(value)) {
value = Z_REFVAL_P(value);
if ((1 << (uint32_t)Z_TYPE_P(value) & opline->extended_value)) {
if ((opline->extended_value >> (uint32_t)Z_TYPE_P(value)) & 1) {
goto type_check_resource;
}
} else if (IS_TMP_VAR == IS_CV && UNEXPECTED(Z_TYPE_P(value) == IS_UNDEF)) {
@ -22052,7 +22052,7 @@ static ZEND_OPCODE_HANDLER_RET ZEND_FASTCALL ZEND_TYPE_CHECK_SPEC_VAR_HANDLER(ZE
zend_free_op free_op1;
value = _get_zval_ptr_var(opline->op1.var, &free_op1 EXECUTE_DATA_CC);
if ((1 << (uint32_t)Z_TYPE_P(value) & opline->extended_value)) {
if ((opline->extended_value >> (uint32_t)Z_TYPE_P(value)) & 1) {
type_check_resource:
if (EXPECTED(Z_TYPE_P(value) != IS_RESOURCE)
|| EXPECTED(NULL != zend_rsrc_list_get_rsrc_type(Z_RES_P(value)))) {
@ -22060,7 +22060,7 @@ type_check_resource:
}
} else if ((IS_VAR & (IS_CV|IS_VAR)) && Z_ISREF_P(value)) {
value = Z_REFVAL_P(value);
if ((1 << (uint32_t)Z_TYPE_P(value) & opline->extended_value)) {
if ((opline->extended_value >> (uint32_t)Z_TYPE_P(value)) & 1) {
goto type_check_resource;
}
} else if (IS_VAR == IS_CV && UNEXPECTED(Z_TYPE_P(value) == IS_UNDEF)) {
@ -38026,7 +38026,7 @@ static ZEND_OPCODE_HANDLER_RET ZEND_FASTCALL ZEND_TYPE_CHECK_SPEC_CV_HANDLER(ZEN
value = _get_zval_ptr_cv_undef(opline->op1.var EXECUTE_DATA_CC);
if ((1 << (uint32_t)Z_TYPE_P(value) & opline->extended_value)) {
if ((opline->extended_value >> (uint32_t)Z_TYPE_P(value)) & 1) {
type_check_resource:
if (EXPECTED(Z_TYPE_P(value) != IS_RESOURCE)
|| EXPECTED(NULL != zend_rsrc_list_get_rsrc_type(Z_RES_P(value)))) {
@ -38034,7 +38034,7 @@ type_check_resource:
}
} else if ((IS_CV & (IS_CV|IS_VAR)) && Z_ISREF_P(value)) {
value = Z_REFVAL_P(value);
if ((1 << (uint32_t)Z_TYPE_P(value) & opline->extended_value)) {
if ((opline->extended_value >> (uint32_t)Z_TYPE_P(value)) & 1) {
goto type_check_resource;
}
} else if (IS_CV == IS_CV && UNEXPECTED(Z_TYPE_P(value) == IS_UNDEF)) {

2
ext/json/json_encoder.c
View file

@ -350,7 +350,7 @@ static int php_json_escape_string(
0xffffffff, 0x500080c4, 0x10000000, 0x00000000};
pos++;
if (EXPECTED(!(charmap[us >> 5] & (1 << (us & 0x1f))))) {
if (EXPECTED(!((charmap[us >> 5] >> (us & 0x1f)) & 1))) {
smart_str_appendc(buf, (unsigned char) us);
} else {
switch (us) {

4
ext/mysqlnd/mysqlnd_result.c
View file

@ -108,7 +108,7 @@ MYSQLND_METHOD(mysqlnd_result_buffered_c, initialize_result_set_rest)(MYSQLND_RE
for (i = 0; i < result->row_count; i++) {
/* (i / 8) & the_bit_for_i*/
if (initialized[i >> 3] & (1 << (i & 7))) {
if ((initialized[i >> 3] >> (i & 7)) & 1) {
continue;
}
@ -1151,7 +1151,7 @@ MYSQLND_METHOD(mysqlnd_result_buffered_c, fetch_row)(MYSQLND_RES * result, void
if (rc != PASS) {
DBG_RETURN(FAIL);
}
if (!(set->initialized[set->current_row >> 3] & (1 << (set->current_row & 7)))) {
if (!((set->initialized[set->current_row >> 3] >> (set->current_row & 7)) & 1)) {
set->initialized[set->current_row >> 3] |= (1 << (set->current_row & 7)); /* mark initialized */
++set->initialized_rows;

2
ext/opcache/Optimizer/sccp.c
View file

@ -660,7 +660,7 @@ static inline int ct_eval_isset_isempty(zval *result, uint32_t extended_value, z
}
static inline void ct_eval_type_check(zval *result, uint32_t type_mask, zval *op1) {
ZVAL_BOOL(result, (1 << Z_TYPE_P(op1)) & type_mask);
ZVAL_BOOL(result, (type_mask >> Z_TYPE_P(op1)) & 1);
}
static inline int ct_eval_in_array(zval *result, uint32_t extended_value, zval *op1, zval *op2) {

4
ext/standard/array.c
View file

@ -1679,7 +1679,7 @@ static zend_always_inline int php_valid_var_name(const char *var_name, size_t va
/* These are allowed as first char: [a-zA-Z_\x7f-\xff] */
ch = (uint32_t)((unsigned char *)var_name)[0];
#if 1
if (UNEXPECTED(!(charset[ch >> 5] & (1 << (ch & 0x1f))))) {
if (UNEXPECTED(!((charset[ch >> 5] >> (ch & 0x1f)) & 1))) {
#else
if (var_name[0] != '_' &&
(ch < 65 /* A */ || /* Z */ ch > 90) &&
@ -1696,7 +1696,7 @@ static zend_always_inline int php_valid_var_name(const char *var_name, size_t va
do {
ch = (uint32_t)((unsigned char *)var_name)[i];
#if 1
if (UNEXPECTED(!(charset[8 + (ch >> 5)] & (1 << (ch & 0x1f))))) {
if (UNEXPECTED(!((charset[8 + (ch >> 5)] >> (ch & 0x1f)) & 1))) {
#else
if (var_name[i] != '_' &&
(ch < 48 /* 0 */ || /* 9 */ ch > 57) &&