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Merge branch 'PHP-7.2' into PHP-7.3

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This commit is contained in:
Nikita Popov
2019-01-24 10:57:45 +01:00
parent 19a9a6ba24 526344aa5e
commit e0f97ae7ec
2 changed files with 7 additions and 0 deletions
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4
Zend/zend_compile.c
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@@ -4956,6 +4956,10 @@ static zend_uchar determine_switch_jumptable_type(zend_ast_list *cases) {
}
static zend_bool should_use_jumptable(zend_ast_list *cases, zend_uchar jumptable_type) {
if (CG(compiler_options) & ZEND_COMPILE_NO_JUMPTABLES) {
return 0;
}
/* Thresholds are chosen based on when the average switch time for equidistributed
* input becomes smaller when using the jumptable optimization. */
if (jumptable_type == IS_LONG) {

3
Zend/zend_compile.h
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@@ -1048,6 +1048,9 @@ END_EXTERN_C()
/* result of compilation may be stored in file cache */
#define ZEND_COMPILE_WITH_FILE_CACHE (1<<11)
/* disable jumptable optimization for switch statements */
#define ZEND_COMPILE_NO_JUMPTABLES (1<<12)
/* The default value for CG(compiler_options) */
#define ZEND_COMPILE_DEFAULT ZEND_COMPILE_HANDLE_OP_ARRAY