mirror of
https://github.com/php/php-src.git
synced 2024-12-20 07:20:33 +08:00
ec30a3b171
This makes sure that we use compiler builtins when they are available and thus avoid ubsan warnings in clang. And also reindent the fallback implementation.
652 lines
19 KiB
C
652 lines
19 KiB
C
/*
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+----------------------------------------------------------------------+
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| Zend Engine |
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+----------------------------------------------------------------------+
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| Copyright (c) Zend Technologies Ltd. (http://www.zend.com) |
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+----------------------------------------------------------------------+
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| This source file is subject to version 2.00 of the Zend license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.zend.com/license/2_00.txt. |
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| If you did not receive a copy of the Zend license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@zend.com so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Authors: Andi Gutmans <andi@php.net> |
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| Zeev Suraski <zeev@php.net> |
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| Dmitry Stogov <zeev@php.net> |
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+----------------------------------------------------------------------+
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*/
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#ifndef ZEND_PORTABILITY_H
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#define ZEND_PORTABILITY_H
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#ifdef __cplusplus
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#define BEGIN_EXTERN_C() extern "C" {
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#define END_EXTERN_C() }
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#else
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#define BEGIN_EXTERN_C()
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#define END_EXTERN_C()
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#endif
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/*
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* general definitions
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*/
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#ifdef ZEND_WIN32
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# include "zend_config.w32.h"
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# define ZEND_PATHS_SEPARATOR ';'
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#elif defined(__riscos__)
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# include <zend_config.h>
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# define ZEND_PATHS_SEPARATOR ';'
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#else
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# include <zend_config.h>
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# define ZEND_PATHS_SEPARATOR ':'
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#endif
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#include "../TSRM/TSRM.h"
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#include <stdio.h>
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#include <assert.h>
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#include <math.h>
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#ifdef HAVE_UNIX_H
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# include <unix.h>
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#endif
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#include <stdarg.h>
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#include <stddef.h>
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#ifdef HAVE_DLFCN_H
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# include <dlfcn.h>
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#endif
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#include <limits.h>
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#if HAVE_ALLOCA_H && !defined(_ALLOCA_H)
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# include <alloca.h>
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#endif
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#if defined(ZEND_WIN32) && !defined(__clang__)
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#include <intrin.h>
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#endif
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#include "zend_range_check.h"
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/* GCC x.y.z supplies __GNUC__ = x and __GNUC_MINOR__ = y */
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#ifdef __GNUC__
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# define ZEND_GCC_VERSION (__GNUC__ * 1000 + __GNUC_MINOR__)
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#else
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# define ZEND_GCC_VERSION 0
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#endif
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/* Compatibility with non-clang compilers */
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#ifndef __has_attribute
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# define __has_attribute(x) 0
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#endif
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#ifndef __has_builtin
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# define __has_builtin(x) 0
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#endif
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#ifndef __has_feature
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# define __has_feature(x) 0
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#endif
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#if defined(ZEND_WIN32) && !defined(__clang__)
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# define ZEND_ASSUME(c) __assume(c)
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#elif ((defined(__GNUC__) && ZEND_GCC_VERSION >= 4005) || __has_builtin(__builtin_unreachable)) && PHP_HAVE_BUILTIN_EXPECT
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# define ZEND_ASSUME(c) do { \
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if (__builtin_expect(!(c), 0)) __builtin_unreachable(); \
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} while (0)
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#else
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# define ZEND_ASSUME(c)
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#endif
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#if ZEND_DEBUG
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# define ZEND_ASSERT(c) assert(c)
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#else
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# define ZEND_ASSERT(c) ZEND_ASSUME(c)
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#endif
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/* Only use this macro if you know for sure that all of the switches values
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are covered by its case statements */
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#if ZEND_DEBUG
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# define EMPTY_SWITCH_DEFAULT_CASE() default: ZEND_ASSERT(0); break;
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#else
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# define EMPTY_SWITCH_DEFAULT_CASE() default: ZEND_ASSUME(0); break;
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#endif
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#if defined(__GNUC__) && __GNUC__ >= 4
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# define ZEND_IGNORE_VALUE(x) (({ __typeof__ (x) __x = (x); (void) __x; }))
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#else
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# define ZEND_IGNORE_VALUE(x) ((void) (x))
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#endif
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#define zend_quiet_write(...) ZEND_IGNORE_VALUE(write(__VA_ARGS__))
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/* all HAVE_XXX test have to be after the include of zend_config above */
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#if defined(HAVE_LIBDL) && !defined(ZEND_WIN32)
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# if __has_feature(address_sanitizer)
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# define __SANITIZE_ADDRESS__
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# endif
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# ifndef RTLD_LAZY
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# define RTLD_LAZY 1 /* Solaris 1, FreeBSD's (2.1.7.1 and older) */
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# endif
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# ifndef RTLD_GLOBAL
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# define RTLD_GLOBAL 0
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# endif
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# ifdef PHP_USE_RTLD_NOW
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# define PHP_RTLD_MODE RTLD_NOW
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# else
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# define PHP_RTLD_MODE RTLD_LAZY
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# endif
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# if defined(RTLD_GROUP) && defined(RTLD_WORLD) && defined(RTLD_PARENT)
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# define DL_LOAD(libname) dlopen(libname, PHP_RTLD_MODE | RTLD_GLOBAL | RTLD_GROUP | RTLD_WORLD | RTLD_PARENT)
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# elif defined(RTLD_DEEPBIND) && !defined(__SANITIZE_ADDRESS__) && !__has_feature(memory_sanitizer)
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# define DL_LOAD(libname) dlopen(libname, PHP_RTLD_MODE | RTLD_GLOBAL | RTLD_DEEPBIND)
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# else
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# define DL_LOAD(libname) dlopen(libname, PHP_RTLD_MODE | RTLD_GLOBAL)
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# endif
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# define DL_UNLOAD dlclose
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# if defined(DLSYM_NEEDS_UNDERSCORE)
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# define DL_FETCH_SYMBOL(h,s) dlsym((h), "_" s)
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# else
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# define DL_FETCH_SYMBOL dlsym
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# endif
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# define DL_ERROR dlerror
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# define DL_HANDLE void *
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# define ZEND_EXTENSIONS_SUPPORT 1
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#elif defined(ZEND_WIN32)
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# define DL_LOAD(libname) LoadLibrary(libname)
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# define DL_FETCH_SYMBOL GetProcAddress
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# define DL_UNLOAD FreeLibrary
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# define DL_HANDLE HMODULE
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# define ZEND_EXTENSIONS_SUPPORT 1
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#else
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# define DL_HANDLE void *
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# define ZEND_EXTENSIONS_SUPPORT 0
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#endif
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/* AIX requires this to be the first thing in the file. */
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#ifndef __GNUC__
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# ifndef HAVE_ALLOCA_H
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# ifdef _AIX
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# pragma alloca
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# else
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# ifndef alloca /* predefined by HP cc +Olibcalls */
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char *alloca();
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# endif
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# endif
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# endif
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#endif
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#if ZEND_GCC_VERSION >= 2096 || __has_attribute(__malloc__)
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# define ZEND_ATTRIBUTE_MALLOC __attribute__ ((__malloc__))
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#else
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# define ZEND_ATTRIBUTE_MALLOC
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#endif
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#if ZEND_GCC_VERSION >= 4003 || __has_attribute(alloc_size)
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# define ZEND_ATTRIBUTE_ALLOC_SIZE(X) __attribute__ ((alloc_size(X)))
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# define ZEND_ATTRIBUTE_ALLOC_SIZE2(X,Y) __attribute__ ((alloc_size(X,Y)))
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#else
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# define ZEND_ATTRIBUTE_ALLOC_SIZE(X)
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# define ZEND_ATTRIBUTE_ALLOC_SIZE2(X,Y)
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#endif
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#if ZEND_GCC_VERSION >= 2007 || __has_attribute(format)
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# define ZEND_ATTRIBUTE_FORMAT(type, idx, first) __attribute__ ((format(type, idx, first)))
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#else
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# define ZEND_ATTRIBUTE_FORMAT(type, idx, first)
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#endif
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#if (ZEND_GCC_VERSION >= 3001 && !defined(__INTEL_COMPILER)) || __has_attribute(format)
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# define ZEND_ATTRIBUTE_PTR_FORMAT(type, idx, first) __attribute__ ((format(type, idx, first)))
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#else
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# define ZEND_ATTRIBUTE_PTR_FORMAT(type, idx, first)
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#endif
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#if ZEND_GCC_VERSION >= 3001 || __has_attribute(deprecated)
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# define ZEND_ATTRIBUTE_DEPRECATED __attribute__((deprecated))
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#elif defined(ZEND_WIN32)
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# define ZEND_ATTRIBUTE_DEPRECATED __declspec(deprecated)
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#else
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# define ZEND_ATTRIBUTE_DEPRECATED
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#endif
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#if ZEND_GCC_VERSION >= 4003 || __has_attribute(unused)
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# define ZEND_ATTRIBUTE_UNUSED __attribute__((unused))
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#else
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# define ZEND_ATTRIBUTE_UNUSED
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#endif
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#if defined(__GNUC__) && ZEND_GCC_VERSION >= 4003
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# define ZEND_COLD __attribute__((cold))
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# define ZEND_HOT __attribute__((hot))
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# ifdef __OPTIMIZE__
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# define ZEND_OPT_SIZE __attribute__((optimize("Os")))
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# define ZEND_OPT_SPEED __attribute__((optimize("Ofast")))
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# else
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# define ZEND_OPT_SIZE
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# define ZEND_OPT_SPEED
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# endif
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#else
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# define ZEND_COLD
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# define ZEND_HOT
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# define ZEND_OPT_SIZE
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# define ZEND_OPT_SPEED
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#endif
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#if defined(__GNUC__) && ZEND_GCC_VERSION >= 5000
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# define ZEND_ATTRIBUTE_UNUSED_LABEL __attribute__((cold, unused));
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# define ZEND_ATTRIBUTE_COLD_LABEL __attribute__((cold));
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# define ZEND_ATTRIBUTE_HOT_LABEL __attribute__((hot));
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#else
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# define ZEND_ATTRIBUTE_UNUSED_LABEL
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# define ZEND_ATTRIBUTE_COLD_LABEL
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# define ZEND_ATTRIBUTE_HOT_LABEL
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#endif
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#if defined(__GNUC__) && ZEND_GCC_VERSION >= 3004 && defined(__i386__)
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# define ZEND_FASTCALL __attribute__((fastcall))
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#elif defined(_MSC_VER) && defined(_M_IX86) && _MSC_VER == 1700
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# define ZEND_FASTCALL __fastcall
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#elif defined(_MSC_VER) && _MSC_VER >= 1800 && !defined(__clang__)
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# define ZEND_FASTCALL __vectorcall
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#else
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# define ZEND_FASTCALL
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#endif
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#if (defined(__GNUC__) && __GNUC__ >= 3 && !defined(__INTEL_COMPILER) && !defined(DARWIN) && !defined(__hpux) && !defined(_AIX) && !defined(__osf__)) || __has_attribute(noreturn)
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# define HAVE_NORETURN
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# define ZEND_NORETURN __attribute__((noreturn))
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#elif defined(ZEND_WIN32)
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# define HAVE_NORETURN
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# define ZEND_NORETURN __declspec(noreturn)
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#else
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# define ZEND_NORETURN
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#endif
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#if (defined(__GNUC__) && __GNUC__ >= 3 && !defined(__INTEL_COMPILER) && !defined(DARWIN) && !defined(__hpux) && !defined(_AIX) && !defined(__osf__))
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# define HAVE_NORETURN_ALIAS
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# define HAVE_ATTRIBUTE_WEAK
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#endif
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#if ZEND_GCC_VERSION >= 3001 || __has_builtin(__builtin_constant_p)
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# define HAVE_BUILTIN_CONSTANT_P
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#endif
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#ifdef HAVE_BUILTIN_CONSTANT_P
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# define ZEND_CONST_COND(_condition, _default) \
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(__builtin_constant_p(_condition) ? (_condition) : (_default))
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#else
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# define ZEND_CONST_COND(_condition, _default) \
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(_default)
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#endif
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#if ZEND_DEBUG
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# define zend_always_inline inline
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# define zend_never_inline
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#else
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# if defined(__GNUC__)
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# if __GNUC__ >= 3
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# define zend_always_inline inline __attribute__((always_inline))
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# define zend_never_inline __attribute__((noinline))
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# else
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# define zend_always_inline inline
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# define zend_never_inline
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# endif
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# elif defined(_MSC_VER)
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# define zend_always_inline __forceinline
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# define zend_never_inline __declspec(noinline)
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# else
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# if __has_attribute(always_inline)
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# define zend_always_inline inline __attribute__((always_inline))
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# else
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# define zend_always_inline inline
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# endif
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# if __has_attribute(noinline)
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# define zend_never_inline __attribute__((noinline))
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# else
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# define zend_never_inline
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# endif
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# endif
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#endif /* ZEND_DEBUG */
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#if PHP_HAVE_BUILTIN_EXPECT
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# define EXPECTED(condition) __builtin_expect(!!(condition), 1)
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# define UNEXPECTED(condition) __builtin_expect(!!(condition), 0)
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#else
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# define EXPECTED(condition) (condition)
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# define UNEXPECTED(condition) (condition)
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#endif
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#ifndef XtOffsetOf
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# if defined(CRAY) || (defined(__ARMCC_VERSION) && !defined(LINUX))
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# ifdef __STDC__
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# define XtOffset(p_type, field) _Offsetof(p_type, field)
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# else
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# ifdef CRAY2
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# define XtOffset(p_type, field) \
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(sizeof(int)*((unsigned int)&(((p_type)NULL)->field)))
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# else /* !CRAY2 */
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# define XtOffset(p_type, field) ((unsigned int)&(((p_type)NULL)->field))
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# endif /* !CRAY2 */
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# endif /* __STDC__ */
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# else /* ! (CRAY || __arm) */
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# define XtOffset(p_type, field) \
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((zend_long) (((char *) (&(((p_type)NULL)->field))) - ((char *) NULL)))
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# endif /* !CRAY */
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# ifdef offsetof
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# define XtOffsetOf(s_type, field) offsetof(s_type, field)
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# else
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# define XtOffsetOf(s_type, field) XtOffset(s_type*, field)
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# endif
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#endif
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#if (HAVE_ALLOCA || (defined (__GNUC__) && __GNUC__ >= 2)) && !(defined(ZTS) && defined(HPUX)) && !defined(DARWIN)
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# define ZEND_ALLOCA_MAX_SIZE (32 * 1024)
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# define ALLOCA_FLAG(name) \
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zend_bool name;
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# define SET_ALLOCA_FLAG(name) \
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name = 1
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# define do_alloca_ex(size, limit, use_heap) \
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((use_heap = (UNEXPECTED((size) > (limit)))) ? emalloc(size) : alloca(size))
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# define do_alloca(size, use_heap) \
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do_alloca_ex(size, ZEND_ALLOCA_MAX_SIZE, use_heap)
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# define free_alloca(p, use_heap) \
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do { if (UNEXPECTED(use_heap)) efree(p); } while (0)
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#else
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# define ALLOCA_FLAG(name)
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# define SET_ALLOCA_FLAG(name)
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# define do_alloca(p, use_heap) emalloc(p)
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# define free_alloca(p, use_heap) efree(p)
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#endif
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#ifdef HAVE_SIGSETJMP
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# define SETJMP(a) sigsetjmp(a, 0)
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# define LONGJMP(a,b) siglongjmp(a, b)
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# define JMP_BUF sigjmp_buf
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#else
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# define SETJMP(a) setjmp(a)
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# define LONGJMP(a,b) longjmp(a, b)
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# define JMP_BUF jmp_buf
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#endif
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#if ZEND_DEBUG
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# define ZEND_FILE_LINE_D const char *__zend_filename, const uint32_t __zend_lineno
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# define ZEND_FILE_LINE_DC , ZEND_FILE_LINE_D
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# define ZEND_FILE_LINE_ORIG_D const char *__zend_orig_filename, const uint32_t __zend_orig_lineno
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# define ZEND_FILE_LINE_ORIG_DC , ZEND_FILE_LINE_ORIG_D
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# define ZEND_FILE_LINE_RELAY_C __zend_filename, __zend_lineno
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# define ZEND_FILE_LINE_RELAY_CC , ZEND_FILE_LINE_RELAY_C
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# define ZEND_FILE_LINE_C __FILE__, __LINE__
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# define ZEND_FILE_LINE_CC , ZEND_FILE_LINE_C
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# define ZEND_FILE_LINE_EMPTY_C NULL, 0
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# define ZEND_FILE_LINE_EMPTY_CC , ZEND_FILE_LINE_EMPTY_C
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# define ZEND_FILE_LINE_ORIG_RELAY_C __zend_orig_filename, __zend_orig_lineno
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# define ZEND_FILE_LINE_ORIG_RELAY_CC , ZEND_FILE_LINE_ORIG_RELAY_C
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#else
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# define ZEND_FILE_LINE_D void
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# define ZEND_FILE_LINE_DC
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# define ZEND_FILE_LINE_ORIG_D void
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# define ZEND_FILE_LINE_ORIG_DC
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# define ZEND_FILE_LINE_RELAY_C
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# define ZEND_FILE_LINE_RELAY_CC
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# define ZEND_FILE_LINE_C
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# define ZEND_FILE_LINE_CC
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# define ZEND_FILE_LINE_EMPTY_C
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# define ZEND_FILE_LINE_EMPTY_CC
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# define ZEND_FILE_LINE_ORIG_RELAY_C
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# define ZEND_FILE_LINE_ORIG_RELAY_CC
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#endif /* ZEND_DEBUG */
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#if ZEND_DEBUG
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# define Z_DBG(expr) (expr)
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#else
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# define Z_DBG(expr)
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#endif
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#ifdef ZTS
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# define ZTS_V 1
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#else
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# define ZTS_V 0
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#endif
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#ifndef LONG_MAX
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# define LONG_MAX 2147483647L
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#endif
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#ifndef LONG_MIN
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# define LONG_MIN (- LONG_MAX - 1)
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#endif
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#define MAX_LENGTH_OF_DOUBLE 32
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#undef MIN
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#undef MAX
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#define MAX(a, b) (((a)>(b))?(a):(b))
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#define MIN(a, b) (((a)<(b))?(a):(b))
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#define ZEND_BIT_TEST(bits, bit) \
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(((bits)[(bit) / (sizeof((bits)[0])*8)] >> ((bit) & (sizeof((bits)[0])*8-1))) & 1)
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/* We always define a function, even if there's a macro or expression we could
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* alias, so that using it in contexts where we can't make function calls
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* won't fail to compile on some machines and not others.
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*/
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static zend_always_inline double _zend_get_inf(void) /* {{{ */
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{
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#ifdef INFINITY
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return INFINITY;
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#elif HAVE_HUGE_VAL_INF
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return HUGE_VAL;
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#elif defined(__i386__) || defined(_X86_) || defined(ALPHA) || defined(_ALPHA) || defined(__alpha)
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# define _zend_DOUBLE_INFINITY_HIGH 0x7ff00000
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double val = 0.0;
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((uint32_t*)&val)[1] = _zend_DOUBLE_INFINITY_HIGH;
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((uint32_t*)&val)[0] = 0;
|
|
return val;
|
|
#elif HAVE_ATOF_ACCEPTS_INF
|
|
return atof("INF");
|
|
#else
|
|
return 1.0/0.0;
|
|
#endif
|
|
} /* }}} */
|
|
#define ZEND_INFINITY (_zend_get_inf())
|
|
|
|
static zend_always_inline double _zend_get_nan(void) /* {{{ */
|
|
{
|
|
#ifdef NAN
|
|
return NAN;
|
|
#elif HAVE_HUGE_VAL_NAN
|
|
return HUGE_VAL + -HUGE_VAL;
|
|
#elif defined(__i386__) || defined(_X86_) || defined(ALPHA) || defined(_ALPHA) || defined(__alpha)
|
|
# define _zend_DOUBLE_QUIET_NAN_HIGH 0xfff80000
|
|
double val = 0.0;
|
|
((uint32_t*)&val)[1] = _zend_DOUBLE_QUIET_NAN_HIGH;
|
|
((uint32_t*)&val)[0] = 0;
|
|
return val;
|
|
#elif HAVE_ATOF_ACCEPTS_NAN
|
|
return atof("NAN");
|
|
#else
|
|
return 0.0/0.0;
|
|
#endif
|
|
} /* }}} */
|
|
#define ZEND_NAN (_zend_get_nan())
|
|
|
|
#define ZEND_STRL(str) (str), (sizeof(str)-1)
|
|
#define ZEND_STRS(str) (str), (sizeof(str))
|
|
#define ZEND_NORMALIZE_BOOL(n) \
|
|
((n) ? (((n)<0) ? -1 : 1) : 0)
|
|
#define ZEND_TRUTH(x) ((x) ? 1 : 0)
|
|
#define ZEND_LOG_XOR(a, b) (ZEND_TRUTH(a) ^ ZEND_TRUTH(b))
|
|
|
|
#define ZEND_MAX_RESERVED_RESOURCES 6
|
|
|
|
/* excpt.h on Digital Unix 4.0 defines function_table */
|
|
#undef function_table
|
|
|
|
#ifdef ZEND_WIN32
|
|
#define ZEND_SECURE_ZERO(var, size) RtlSecureZeroMemory((var), (size))
|
|
#else
|
|
#define ZEND_SECURE_ZERO(var, size) explicit_bzero((var), (size))
|
|
#endif
|
|
|
|
/* This check should only be used on network socket, not file descriptors */
|
|
#ifdef ZEND_WIN32
|
|
#define ZEND_VALID_SOCKET(sock) (INVALID_SOCKET != (sock))
|
|
#else
|
|
#define ZEND_VALID_SOCKET(sock) ((sock) >= 0)
|
|
#endif
|
|
|
|
/* va_copy() is __va_copy() in old gcc versions.
|
|
* According to the autoconf manual, using
|
|
* memcpy(&dst, &src, sizeof(va_list))
|
|
* gives maximum portability. */
|
|
#ifndef va_copy
|
|
# ifdef __va_copy
|
|
# define va_copy(dest, src) __va_copy((dest), (src))
|
|
# else
|
|
# define va_copy(dest, src) memcpy(&(dest), &(src), sizeof(va_list))
|
|
# endif
|
|
#endif
|
|
|
|
/* Intrinsics macros start. */
|
|
|
|
/* Memory sanitizer is incompatible with ifunc resolvers. Even if the resolver
|
|
* is marked as no_sanitize("memory") it will still be instrumented and crash. */
|
|
#if __has_feature(memory_sanitizer)
|
|
# undef HAVE_FUNC_ATTRIBUTE_IFUNC
|
|
#endif
|
|
|
|
#if defined(HAVE_FUNC_ATTRIBUTE_IFUNC) && defined(HAVE_FUNC_ATTRIBUTE_TARGET)
|
|
# define ZEND_INTRIN_HAVE_IFUNC_TARGET 1
|
|
#endif
|
|
|
|
#if (defined(__i386__) || defined(__x86_64__))
|
|
# if PHP_HAVE_SSSE3_INSTRUCTIONS && defined(HAVE_TMMINTRIN_H)
|
|
# define PHP_HAVE_SSSE3
|
|
# endif
|
|
|
|
# if PHP_HAVE_SSE4_2_INSTRUCTIONS && defined(HAVE_NMMINTRIN_H)
|
|
# define PHP_HAVE_SSE4_2
|
|
# endif
|
|
|
|
/*
|
|
* AVX2 support was added in gcc 4.7, but AVX2 intrinsics don't work in
|
|
* __attribute__((target("avx2"))) functions until gcc 4.9.
|
|
*/
|
|
# if PHP_HAVE_AVX2_INSTRUCTIONS && defined(HAVE_IMMINTRIN_H) && \
|
|
(defined(__llvm__) || defined(__clang__) || (defined(__GNUC__) && ZEND_GCC_VERSION >= 4009))
|
|
# define PHP_HAVE_AVX2
|
|
# endif
|
|
#endif
|
|
|
|
#ifdef __SSSE3__
|
|
/* Instructions compiled directly. */
|
|
# define ZEND_INTRIN_SSSE3_NATIVE 1
|
|
#elif (defined(HAVE_FUNC_ATTRIBUTE_TARGET) && defined(PHP_HAVE_SSSE3)) || defined(ZEND_WIN32)
|
|
/* Function resolved by ifunc or MINIT. */
|
|
# define ZEND_INTRIN_SSSE3_RESOLVER 1
|
|
#endif
|
|
|
|
/* Do not use for conditional declaration of API functions! */
|
|
#if ZEND_INTRIN_SSSE3_RESOLVER && ZEND_INTRIN_HAVE_IFUNC_TARGET
|
|
# define ZEND_INTRIN_SSSE3_FUNC_PROTO 1
|
|
#elif ZEND_INTRIN_SSSE3_RESOLVER
|
|
# define ZEND_INTRIN_SSSE3_FUNC_PTR 1
|
|
#endif
|
|
|
|
#if ZEND_INTRIN_SSSE3_RESOLVER
|
|
# if defined(HAVE_FUNC_ATTRIBUTE_TARGET)
|
|
# define ZEND_INTRIN_SSSE3_FUNC_DECL(func) ZEND_API func __attribute__((target("ssse3")))
|
|
# else
|
|
# define ZEND_INTRIN_SSSE3_FUNC_DECL(func) func
|
|
# endif
|
|
#else
|
|
# define ZEND_INTRIN_SSSE3_FUNC_DECL(func)
|
|
#endif
|
|
|
|
#ifdef __SSE4_2__
|
|
/* Instructions compiled directly. */
|
|
# define ZEND_INTRIN_SSE4_2_NATIVE 1
|
|
#elif (defined(HAVE_FUNC_ATTRIBUTE_TARGET) && defined(PHP_HAVE_SSE4_2)) || defined(ZEND_WIN32)
|
|
/* Function resolved by ifunc or MINIT. */
|
|
# define ZEND_INTRIN_SSE4_2_RESOLVER 1
|
|
#endif
|
|
|
|
/* Do not use for conditional declaration of API functions! */
|
|
#if ZEND_INTRIN_SSE4_2_RESOLVER && ZEND_INTRIN_HAVE_IFUNC_TARGET
|
|
# define ZEND_INTRIN_SSE4_2_FUNC_PROTO 1
|
|
#elif ZEND_INTRIN_SSE4_2_RESOLVER
|
|
# define ZEND_INTRIN_SSE4_2_FUNC_PTR 1
|
|
#endif
|
|
|
|
#if ZEND_INTRIN_SSE4_2_RESOLVER
|
|
# if defined(HAVE_FUNC_ATTRIBUTE_TARGET)
|
|
# define ZEND_INTRIN_SSE4_2_FUNC_DECL(func) ZEND_API func __attribute__((target("sse4.2")))
|
|
# else
|
|
# define ZEND_INTRIN_SSE4_2_FUNC_DECL(func) func
|
|
# endif
|
|
#else
|
|
# define ZEND_INTRIN_SSE4_2_FUNC_DECL(func)
|
|
#endif
|
|
|
|
#ifdef __AVX2__
|
|
# define ZEND_INTRIN_AVX2_NATIVE 1
|
|
#elif (defined(HAVE_FUNC_ATTRIBUTE_TARGET) && defined(PHP_HAVE_AVX2)) || defined(ZEND_WIN32)
|
|
# define ZEND_INTRIN_AVX2_RESOLVER 1
|
|
#endif
|
|
|
|
/* Do not use for conditional declaration of API functions! */
|
|
#if ZEND_INTRIN_AVX2_RESOLVER && ZEND_INTRIN_HAVE_IFUNC_TARGET
|
|
# define ZEND_INTRIN_AVX2_FUNC_PROTO 1
|
|
#elif ZEND_INTRIN_AVX2_RESOLVER
|
|
# define ZEND_INTRIN_AVX2_FUNC_PTR 1
|
|
#endif
|
|
|
|
#if ZEND_INTRIN_AVX2_RESOLVER
|
|
# if defined(HAVE_FUNC_ATTRIBUTE_TARGET)
|
|
# define ZEND_INTRIN_AVX2_FUNC_DECL(func) ZEND_API func __attribute__((target("avx2")))
|
|
# else
|
|
# define ZEND_INTRIN_AVX2_FUNC_DECL(func) func
|
|
# endif
|
|
#else
|
|
# define ZEND_INTRIN_AVX2_FUNC_DECL(func)
|
|
#endif
|
|
|
|
/* Intrinsics macros end. */
|
|
|
|
#ifdef ZEND_WIN32
|
|
# define ZEND_SET_ALIGNED(alignment, decl) __declspec(align(alignment)) decl
|
|
#elif HAVE_ATTRIBUTE_ALIGNED
|
|
# define ZEND_SET_ALIGNED(alignment, decl) decl __attribute__ ((__aligned__ (alignment)))
|
|
#else
|
|
# define ZEND_SET_ALIGNED(alignment, decl) decl
|
|
#endif
|
|
|
|
#define ZEND_SLIDE_TO_ALIGNED(alignment, ptr) (((zend_uintptr_t)(ptr) + ((alignment)-1)) & ~((alignment)-1))
|
|
#define ZEND_SLIDE_TO_ALIGNED16(ptr) ZEND_SLIDE_TO_ALIGNED(Z_UL(16), ptr)
|
|
|
|
#ifdef ZEND_WIN32
|
|
# define _ZEND_EXPAND_VA(a) a
|
|
# define ZEND_EXPAND_VA(code) _ZEND_EXPAND_VA(code)
|
|
#else
|
|
# define ZEND_EXPAND_VA(code) code
|
|
#endif
|
|
|
|
/* On CPU with few registers, it's cheaper to reload value then use spill slot */
|
|
#if defined(__i386__) || (defined(_WIN32) && !defined(_WIN64))
|
|
# define ZEND_PREFER_RELOAD
|
|
#endif
|
|
|
|
#endif /* ZEND_PORTABILITY_H */
|