@@ -196,6 +196,7 @@ AS_VAR_IF([php_cv_have_stack_limit], [yes],
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ZEND_CHECK_FLOAT_PRECISION
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ZEND_DLSYM_CHECK
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+ ZEND_CHECK_GLOBAL_REGISTER_VARIABLES
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AC_MSG_CHECKING ( whether to enable thread-safety )
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AC_MSG_RESULT ( $ZEND_ZTS )
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AC_MSG_CHECKING ( whether to enable zend max execution timers )
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AC_MSG_RESULT ( $ZEND_MAX_EXECUTION_TIMERS )
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-
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] )
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+ dnl
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+ dnl ZEND_CHECK_GLOBAL_REGISTER_VARIABLES
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+ dnl
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+ dnl Check whether to enable global register variables if supported.
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+ dnl
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+ AC_DEFUN ( [ ZEND_CHECK_GLOBAL_REGISTER_VARIABLES] , [ dnl
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AC_ARG_ENABLE ( [ gcc-global-regs] ,
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[ AS_HELP_STRING ( [ --disable-gcc-global-regs] ,
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- [ whether to enable GCC global register variables] ) ] ,
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+ [ Disable GCC global register variables] ) ] ,
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[ ZEND_GCC_GLOBAL_REGS=$enableval] ,
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[ ZEND_GCC_GLOBAL_REGS=yes] )
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- AC_MSG_CHECKING ( for global register variables support )
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- if test "$ZEND_GCC_GLOBAL_REGS" != "no"; then
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- AC_COMPILE_IFELSE ( [ AC_LANG_PROGRAM ( [ [
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+ AS_VAR_IF ( [ ZEND_GCC_GLOBAL_REGS] , [ no] ,,
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+ [ AC_CACHE_CHECK ( [ whether system supports global register variables] ,
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+ [ php_cv_have_global_register_vars] ,
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+ [ AC_COMPILE_IFELSE ( [ AC_LANG_PROGRAM ( [
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#if defined(__GNUC__)
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# define ZEND_GCC_VERSION (__GNUC__ * 1000 + __GNUC_MINOR__)
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#else
@@ -364,25 +371,25 @@ typedef int (*opcode_handler_t)(void);
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register void *FP __asm__(ZEND_VM_FP_GLOBAL_REG);
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register const opcode_handler_t *IP __asm__(ZEND_VM_IP_GLOBAL_REG);
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int emu(const opcode_handler_t *ip, void *fp) {
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- const opcode_handler_t *orig_ip = IP;
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- void *orig_fp = FP;
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- IP = ip;
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- FP = fp;
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- while ((*ip)());
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- FP = orig_fp;
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- IP = orig_ip;
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- }
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- ] ] , [ [
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- ] ] ) ] , [
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- ZEND_GCC_GLOBAL_REGS=yes
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- ] , [
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- ZEND_GCC_GLOBAL_REGS=no
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- ] )
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- fi
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- if test "$ZEND_GCC_GLOBAL_REGS" = "yes"; then
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- AC_DEFINE ( [ HAVE_GCC_GLOBAL_REGS ] , 1 , [ Define if the target system has support for global register variables] )
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- fi
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- AC_MSG_RESULT ( $ZEND_GCC_GLOBAL_REGS )
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+ const opcode_handler_t *orig_ip = IP;
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+ void *orig_fp = FP;
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+ IP = ip;
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+ FP = fp;
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+ while ((*ip)());
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+ FP = orig_fp;
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+ IP = orig_ip;
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+ }] , [ ] ) ] ,
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+ [ php_cv_have_global_register_vars=yes ] ,
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+ [ php_cv_have_global_register_vars=no ] )
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+ ] )
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+ AS_VAR_IF ( [ php_cv_have_global_register_vars ] , [ yes ] ,
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+ [ AC_DEFINE ( [ HAVE_GCC_GLOBAL_REGS ] , [ 1 ] ,
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+ [ Define to 1 if the target system has support for global register variables. ] ) ] ,
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+ [ ZEND_GCC_GLOBAL_REGS=no ] )
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+ ] )
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+ AC_MSG_CHECKING ( [ whether to enable global register variables support ] )
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+ AC_MSG_RESULT ( [ $ZEND_GCC_GLOBAL_REGS ] )
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+ ] )
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dnl Check whether __cpuid_count is available.
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AC_CACHE_CHECK ( whether __cpuid_count is available , ac_cv_cpuid_count_available , [
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