#include "src/ia32/assembler-ia32.h"
+#include <cstring>
+
+#if V8_TARGET_ARCH_IA32
+
#if V8_OS_MACOSX
#include <sys/sysctl.h>
#endif
-#if V8_TARGET_ARCH_IA32
-
#include "src/base/bits.h"
#include "src/base/cpu.h"
+#if V8_OS_WIN
+#include "src/base/win32-headers.h"
+#endif
#include "src/disassembler.h"
#include "src/macro-assembler.h"
#include "src/v8.h"
*period_pos = '\0';
long kernel_version_major = strtol(buffer, nullptr, 10); // NOLINT
if (kernel_version_major <= 13) return false;
+#elif V8_OS_WIN
+ // The same problem seems to appear on Windows XP and Vista.
+ OSVERSIONINFOEX osvi;
+ DWORDLONG mask = 0;
+ memset(&osvi, 0, sizeof(osvi));
+ osvi.dwOSVersionInfoSize = sizeof(osvi);
+ osvi.dwMajorVersion = 6;
+ osvi.dwMinorVersion = 1;
+ VER_SET_CONDITION(mask, VER_MAJORVERSION, VER_GREATER_EQUAL);
+ VER_SET_CONDITION(mask, VER_MINORVERSION, VER_GREATER_EQUAL);
+ if (!VerifyVersionInfo(&osvi, VER_MAJORVERSION | VER_MINORVERSION, mask)) {
+ return false;
+ }
#endif // V8_OS_MACOSX
return FLAG_enable_avx;
}
#include "src/x64/assembler-x64.h"
+#include <cstring>
+
+#if V8_TARGET_ARCH_X64
+
#if V8_OS_MACOSX
#include <sys/sysctl.h>
#endif
-#if V8_TARGET_ARCH_X64
-
#include "src/base/bits.h"
+#if V8_OS_WIN
+#include "src/base/win32-headers.h"
+#endif
#include "src/macro-assembler.h"
#include "src/v8.h"
// caused by ISRs, so we detect that here and disable AVX in that case.
char buffer[128];
size_t buffer_size = arraysize(buffer);
- int ctl_name[] = { CTL_KERN , KERN_OSRELEASE };
+ int ctl_name[] = {CTL_KERN, KERN_OSRELEASE};
if (sysctl(ctl_name, 2, buffer, &buffer_size, nullptr, 0) != 0) {
V8_Fatal(__FILE__, __LINE__, "V8 failed to get kernel version");
}
*period_pos = '\0';
long kernel_version_major = strtol(buffer, nullptr, 10); // NOLINT
if (kernel_version_major <= 13) return false;
+#elif V8_OS_WIN
+ // The same problem seems to appear on Windows XP and Vista.
+ OSVERSIONINFOEX osvi;
+ DWORDLONG mask = 0;
+ memset(&osvi, 0, sizeof(osvi));
+ osvi.dwOSVersionInfoSize = sizeof(osvi);
+ osvi.dwMajorVersion = 6;
+ osvi.dwMinorVersion = 1;
+ VER_SET_CONDITION(mask, VER_MAJORVERSION, VER_GREATER_EQUAL);
+ VER_SET_CONDITION(mask, VER_MINORVERSION, VER_GREATER_EQUAL);
+ if (!VerifyVersionInfo(&osvi, VER_MAJORVERSION | VER_MINORVERSION, mask)) {
+ return false;
+ }
#endif // V8_OS_MACOSX
return FLAG_enable_avx;
}