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| author | KUDr <KUDr@openttd.org> | 2007-02-27 23:12:45 +0000 |
|---|---|---|
| committer | KUDr <KUDr@openttd.org> | 2007-02-27 23:12:45 +0000 |
| commit | a7d9cbc15107609324d7a21bd81295e29d23af1b (patch) | |
| tree | 19b93e311b3e1bcb7a09dda5b4ecb03a841fabfa /src | |
| parent | 1168c5beb3c92d814eee4242dd9eba76857c32d4 (diff) | |
| download | openttd-a7d9cbc15107609324d7a21bd81295e29d23af1b.tar.xz | |
(svn r8933) -Fix [Win64]: rdtsc now uses intrinsic on VC8 (michi_cc)
Diffstat (limited to 'src')
| -rw-r--r-- | src/os_timer.cpp | 8 | ||||
| -rw-r--r-- | src/win32.cpp | 5 | ||||
| -rw-r--r-- | src/win64.asm | 9 |
3 files changed, 10 insertions, 12 deletions
diff --git a/src/os_timer.cpp b/src/os_timer.cpp index e2a96e8f9..ee70cbfb1 100644 --- a/src/os_timer.cpp +++ b/src/os_timer.cpp @@ -7,8 +7,12 @@ /* rdtsc for MSC_VER, uses simple inline assembly, or _rdtsc * from external win64.asm because VS2005 does not support inline assembly */ #if defined(_MSC_VER) && !defined(RDTSC_AVAILABLE) -# if defined (_M_AMD64) -extern uint64 _rdtsc(void); +# if _MSC_VER >= 1400 +#include <intrin.h> +uint64 _rdtsc(void) +{ + return __rdtsc(); +} # else uint64 _declspec(naked) _rdtsc(void) { diff --git a/src/win32.cpp b/src/win32.cpp index b59621aa6..396c38d82 100644 --- a/src/win32.cpp +++ b/src/win32.cpp @@ -606,10 +606,13 @@ static LONG WINAPI ExceptionHandler(EXCEPTION_POINTERS *ep) return EXCEPTION_EXECUTE_HANDLER; } +#ifdef _M_AMD64 +extern "C" void *_get_save_esp(void); +#endif + static void Win32InitializeExceptions(void) { #ifdef _M_AMD64 - extern void *_get_save_esp(void); _safe_esp = _get_save_esp(); #else _asm { diff --git a/src/win64.asm b/src/win64.asm index 21bfebbde..577fc496b 100644 --- a/src/win64.asm +++ b/src/win64.asm @@ -5,13 +5,4 @@ _get_save_esp: MOV RAX,RSP RET -PUBLIC _rdtsc -_rdtsc: - RDTSC - MOV RCX,RDX - SHL RCX,32 - AND RAX,0FFFFFFFFh - OR RAX,RCX - RET - END |