golden hour

/opt/alt/php56/usr/include/php/Zend

File/Folder	Size	Actions
zend.h	26.29 KB
zend_API.h	41.08 KB
zend_alloc.h	12.09 KB
zend_ast.h	2.33 KB
zend_build.h	1.59 KB
zend_builtin_functions.h	1.59 KB
zend_closures.h	1.82 KB
zend_compile.h	34.55 KB
zend_config.h	107 B
zend_config.nw.h	2.44 KB
zend_config.w32.h	3.19 KB
zend_constants.h	6.09 KB
zend_dtrace.h	2 KB
zend_dynamic_array.h	1.86 KB
zend_errors.h	2.11 KB
zend_exceptions.h	2.97 KB
zend_execute.h	14.14 KB
zend_extensions.h	4.51 KB
zend_float.h	15.5 KB
zend_gc.h	7.23 KB
zend_generators.h	2.6 KB
zend_globals.h	7.3 KB
zend_globals_macros.h	3.15 KB
zend_hash.h	17.77 KB
zend_highlight.h	2.36 KB
zend_indent.h	1.44 KB
zend_ini.h	9.77 KB
zend_ini_parser.h	3.22 KB
zend_ini_scanner.h	1.96 KB
zend_ini_scanner_defs.h	225 B
zend_interfaces.h	3.95 KB
zend_istdiostream.h	1.61 KB
zend_iterators.h	3.68 KB
zend_language_parser.h	8.87 KB
zend_language_scanner.h	2.63 KB
zend_language_scanner_defs.h	297 B
zend_list.h	5.1 KB
zend_llist.h	3.88 KB
zend_modules.h	4.97 KB
zend_multibyte.h	4.99 KB
zend_multiply.h	3.66 KB
zend_object_handlers.h	9.49 KB
zend_objects.h	2.16 KB
zend_objects_API.h	4.28 KB
zend_operators.h	31.72 KB
zend_ptr_stack.h	4.21 KB
zend_qsort.h	1.62 KB
zend_signal.h	3.99 KB
zend_stack.h	2.33 KB
zend_static_allocator.h	1.81 KB
zend_stream.h	2.88 KB
zend_string.h	3.01 KB
zend_strtod.h	1.82 KB
zend_ts_hash.h	6.78 KB
zend_types.h	2.3 KB
zend_variables.h	3.76 KB
zend_virtual_cwd.h	11.85 KB
zend_vm.h	1.39 KB
zend_vm_def.h	162.94 KB
zend_vm_execute.h	1.32 MB
zend_vm_opcodes.h	8.6 KB

Edit: zend_multiply.h

/*
   +----------------------------------------------------------------------+
   | Zend Engine                                                          |
   +----------------------------------------------------------------------+
   | Copyright (c) 1998-2016 Zend Technologies Ltd. (http://www.zend.com) |
   +----------------------------------------------------------------------+
   | This source file is subject to version 2.00 of the Zend license,     |
   | that is bundled with this package in the file LICENSE, and is        |
   | available through the world-wide-web at the following url:           |
   | http://www.zend.com/license/2_00.txt.                                |
   | If you did not receive a copy of the Zend license and are unable to  |
   | obtain it through the world-wide-web, please send a note to          |
   | license@zend.com so we can mail you a copy immediately.              |
   +----------------------------------------------------------------------+
   | Authors: Sascha Schumann <sascha@schumann.cx>                        |
   |          Ard Biesheuvel <ard.biesheuvel@linaro.org>                  |
   +----------------------------------------------------------------------+
*/

/* $Id$ */

#if defined(__i386__) && defined(__GNUC__)

#define ZEND_SIGNED_MULTIPLY_LONG(a, b, lval, dval, usedval) do {	\
	long __tmpvar; 													\
	__asm__ ("imul %3,%0\n"											\
		"adc $0,%1" 												\
			: "=r"(__tmpvar),"=r"(usedval) 							\
			: "0"(a), "r"(b), "1"(0));								\
	if (usedval) (dval) = (double) (a) * (double) (b);				\
	else (lval) = __tmpvar;											\
} while (0)

#elif defined(__x86_64__) && defined(__GNUC__)

#elif defined(__arm__) && defined(__GNUC__)

#define ZEND_SIGNED_MULTIPLY_LONG(a, b, lval, dval, usedval) do {	\
	long __tmpvar; 													\
	__asm__("smull %0, %1, %2, %3\n"								\
		"sub %1, %1, %0, asr #31"									\
			: "=r"(__tmpvar), "=r"(usedval)							\
			: "r"(a), "r"(b));										\
	if (usedval) (dval) = (double) (a) * (double) (b);				\
	else (lval) = __tmpvar;											\
} while (0)

#elif defined(__aarch64__) && defined(__GNUC__)

#define ZEND_SIGNED_MULTIPLY_LONG(a, b, lval, dval, usedval) do {	\
	long __tmpvar; 													\
	__asm__("mul %0, %2, %3\n"										\
		"smulh %1, %2, %3\n"										\
		"sub %1, %1, %0, asr #63\n"									\
			: "=X"(__tmpvar), "=X"(usedval)							\
			: "X"(a), "X"(b));										\
	if (usedval) (dval) = (double) (a) * (double) (b);				\
	else (lval) = __tmpvar;											\
} while (0)

#elif SIZEOF_LONG == 4 && defined(HAVE_ZEND_LONG64)

#define ZEND_SIGNED_MULTIPLY_LONG(a, b, lval, dval, usedval) do {	\
	zend_long64 __result = (zend_long64) (a) * (zend_long64) (b);	\
	if (__result > LONG_MAX || __result < LONG_MIN) {				\
		(dval) = (double) __result;									\
		(usedval) = 1;												\
	} else {														\
		(lval) = (long) __result;									\
		(usedval) = 0;												\
	}																\
} while (0)

#else

#define ZEND_SIGNED_MULTIPLY_LONG(a, b, lval, dval, usedval) do {	\
	long   __lres  = (a) * (b);										\
	long double __dres  = (long double)(a) * (long double)(b);		\
	long double __delta = (long double) __lres - __dres;			\
	if ( ((usedval) = (( __dres + __delta ) != __dres))) {			\
		(dval) = __dres;											\
	} else {														\
		(lval) = __lres;											\
	}																\
} while (0)

#endif