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92ac598aab
This patch removes the so called local variables defined per file basis for certain editors to properly show tab width, and similar settings. These are mainly used by Vim and Emacs editors yet with recent changes the once working definitions don't work anymore in Vim without custom plugins or additional configuration. Neither are these settings synced across the PHP code base. A simpler and better approach is EditorConfig and fixing code using some code style fixing tools in the future instead. This patch also removes the so called modelines for Vim. Modelines allow Vim editor specifically to set some editor configuration such as syntax highlighting, indentation style and tab width to be set in the first line or the last 5 lines per file basis. Since the php test files have syntax highlighting already set in most editors properly and EditorConfig takes care of the indentation settings, this patch removes these as well for the Vim 6.0 and newer versions. With the removal of local variables for certain editors such as Emacs and Vim, the footer is also probably not needed anymore when creating extensions using ext_skel.php script. Additionally, Vim modelines for setting php syntax and some editor settings has been removed from some *.phpt files. All these are mostly not relevant for phpt files neither work properly in the middle of the file.
110 lines
3.3 KiB
C
110 lines
3.3 KiB
C
/*
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+----------------------------------------------------------------------+
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| Zend Engine |
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+----------------------------------------------------------------------+
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| Copyright (c) 2018-2018 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: Xinchen Hui <xinchen.h@zend.com> |
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+----------------------------------------------------------------------+
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*/
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#include "zend_cpuinfo.h"
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typedef struct _zend_cpu_info {
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uint32_t eax;
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uint32_t ebx;
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uint32_t ecx;
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uint32_t edx;
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uint32_t initialized;
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} zend_cpu_info;
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static zend_cpu_info cpuinfo = {0};
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#if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))
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# if defined(HAVE_CPUID_H) && defined(HAVE_CPUID_COUNT)
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# include <cpuid.h>
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static void __zend_cpuid(uint32_t func, uint32_t subfunc, zend_cpu_info *cpuinfo) {
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__cpuid_count(func, subfunc, cpuinfo->eax, cpuinfo->ebx, cpuinfo->ecx, cpuinfo->edx);
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}
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# else
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static void __zend_cpuid(uint32_t func, uint32_t subfunc, zend_cpu_info *cpuinfo) {
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#if defined(__i386__) && (defined(__pic__) || defined(__PIC__))
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/* PIC on i386 uses %ebx, so preserve it. */
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__asm__ __volatile__ (
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"pushl %%ebx\n"
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"cpuid\n"
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"mov %%ebx,%1\n"
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"popl %%ebx"
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: "=a"(cpuinfo->eax), "=r"(cpuinfo->ebx), "=c"(cpuinfo->ecx), "=d"(cpuinfo->edx)
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: "a"(func), "c"(subfunc)
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);
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#else
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__asm__ __volatile__ (
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"cpuid"
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: "=a"(cpuinfo->eax), "=b"(cpuinfo->ebx), "=c"(cpuinfo->ecx), "=d"(cpuinfo->edx)
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: "a"(func), "c"(subfunc)
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);
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#endif
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}
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# endif
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#elif defined(ZEND_WIN32) && !defined(__clang__)
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# include <intrin.h>
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static void __zend_cpuid(uint32_t func, uint32_t subfunc, zend_cpu_info *cpuinfo) {
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int regs[4];
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__cpuidex(regs, func, subfunc);
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cpuinfo->eax = regs[0];
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cpuinfo->ebx = regs[1];
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cpuinfo->ecx = regs[2];
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cpuinfo->edx = regs[3];
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}
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#else
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static void __zend_cpuid(uint32_t func, uint32_t subfunc, zend_cpu_info *cpuinfo) {
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cpuinfo->eax = 0;
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}
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#endif
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void zend_cpu_startup(void)
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{
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if (!cpuinfo.initialized) {
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zend_cpu_info ebx;
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int max_feature;
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cpuinfo.initialized = 1;
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__zend_cpuid(0, 0, &cpuinfo);
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max_feature = cpuinfo.eax;
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if (max_feature == 0) {
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return;
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}
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__zend_cpuid(1, 0, &cpuinfo);
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/* for avx2 */
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if (max_feature >= 7) {
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__zend_cpuid(7, 0, &ebx);
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cpuinfo.ebx = ebx.ebx;
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} else {
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cpuinfo.ebx = 0;
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}
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}
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}
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ZEND_API int zend_cpu_supports(zend_cpu_feature feature) {
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if (feature & ZEND_CPU_EDX_MASK) {
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return (cpuinfo.edx & (feature & ~ZEND_CPU_EDX_MASK));
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} else if (feature & ZEND_CPU_EBX_MASK) {
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return (cpuinfo.ebx & (feature & ~ZEND_CPU_EBX_MASK));
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} else {
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return (cpuinfo.ecx & feature);
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}
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}
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