diff options
Diffstat (limited to 'cpudetect.c')
| -rw-r--r-- | cpudetect.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/cpudetect.c b/cpudetect.c index 5bb10ac4d6..7003c572c6 100644 --- a/cpudetect.c +++ b/cpudetect.c @@ -182,7 +182,7 @@ void GetCpuCaps( CpuCaps *caps) #endif /* FIXME: Does SSE2 need more OS support, too? */ -#if defined(__linux__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__CYGWIN__) || defined(__OpenBSD__) || defined(__DragonFly__) +#if defined(__linux__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__CYGWIN__) || defined(__OpenBSD__) || defined(__DragonFly__) || defined(__APPLE__) if (caps->hasSSE) check_os_katmai_support(); if (!caps->hasSSE) @@ -345,16 +345,23 @@ LONG CALLBACK win32_sig_handler_sse(EXCEPTION_POINTERS* ep) * and RedHat patched 2.2 kernels that have broken exception handling * support for user space apps that do SSE. */ + +#if defined(__FreeBSD__) || defined(__DragonFly__) +#define SSE_SYSCTL_NAME "hw.instruction_sse" +#elif defined(__APPLE__) +#define SSE_SYSCTL_NAME "hw.optional.sse" +#endif + static void check_os_katmai_support( void ) { #ifdef ARCH_X86_64 gCpuCaps.hasSSE=1; gCpuCaps.hasSSE2=1; -#elif defined(__FreeBSD__) || defined(__DragonFly__) +#elif defined(__FreeBSD__) || defined(__DragonFly__) || defined(__APPLE__) int has_sse=0, ret; size_t len=sizeof(has_sse); - ret = sysctlbyname("hw.instruction_sse", &has_sse, &len, NULL, 0); + ret = sysctlbyname(SSE_SYSCTL_NAME, &has_sse, &len, NULL, 0); if (ret || !has_sse) gCpuCaps.hasSSE=0; |