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Use __cpuid_count() from cpuid.h instead of custom assembly

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This commit is contained in:
Ondřej Surý 2018-07-17 13:59:53 +00:00
parent 53ef61bcae
commit 1a078117b5
1 changed files with 2 additions and 5 deletions
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7
Zend/zend_cpuinfo.c
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@ -29,12 +29,9 @@ typedef struct _zend_cpu_info {
static zend_cpu_info cpuinfo = {0};
#if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))
#include <cpuid.h>
static void __zend_cpuid(uint32_t func, uint32_t subfunc, zend_cpu_info *cpuinfo) {
__asm__ __volatile__ (
"cpuid"
: "=a"(cpuinfo->eax), "=b"(cpuinfo->ebx), "=c"(cpuinfo->ecx), "=d"(cpuinfo->edx)
: "a"(func), "c"(subfunc)
);
__cpuid_count(func, subfunc, cpuinfo->eax, cpuinfo->ebx, cpuinfo->ecx, cpuinfo->edx);
}
#elif defined(ZEND_WIN32)
# include <intrin.h>