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-rw-r--r--indra/llcommon/llfasttimer.h95
1 files changed, 56 insertions, 39 deletions
diff --git a/indra/llcommon/llfasttimer.h b/indra/llcommon/llfasttimer.h
index 85c78198dc..db80e9a624 100644
--- a/indra/llcommon/llfasttimer.h
+++ b/indra/llcommon/llfasttimer.h
@@ -39,45 +39,62 @@
#define TIME_FAST_TIMERS 0
#if LL_WINDOWS
-// because MS has different signatures for these functions in winnt.h
-// need to rename them to avoid conflicts
-#define _interlockedbittestandset _renamed_interlockedbittestandset
-#define _interlockedbittestandreset _renamed_interlockedbittestandreset
-#include <intrin.h>
-#undef _interlockedbittestandset
-#undef _interlockedbittestandreset
-
-#define LL_INLINE __forceinline
-// shift off lower 8 bits for lower resolution but longer term timing
-// on 1Ghz machine, a 32-bit word will hold ~1000 seconds of timing
-inline U32 get_cpu_clock_count_32()
-{
- U64 time_stamp = __rdtsc();
- return (U32)(time_stamp >> 8);
-}
-
-// return full timer value, *not* shifted by 8 bits
-inline U64 get_cpu_clock_count_64()
-{
- return __rdtsc();
-}
-#else
-#define LL_INLINE
-#endif // LL_WINDOWS
-
-#if (LL_LINUX || LL_SOLARIS || LL_DARWIN) && (defined(__i386__) || defined(__amd64__))
-inline U32 get_cpu_clock_count_32()
-{
- U64 x;
- __asm__ volatile (".byte 0x0f, 0x31": "=A"(x));
- return (U32)x >> 8;
-}
-
-inline U32 get_cpu_clock_count_64()
-{
- U64 x;
- __asm__ volatile (".byte 0x0f, 0x31": "=A"(x));
- return x;
+#define LL_INLINE __forceinline
+
+//
+// NOTE: put back in when we aren't using platform sdk anymore
+//
+// because MS has different signatures for these functions in winnt.h
+// need to rename them to avoid conflicts
+//#define _interlockedbittestandset _renamed_interlockedbittestandset
+//#define _interlockedbittestandreset _renamed_interlockedbittestandreset
+//#include <intrin.h>
+//#undef _interlockedbittestandset
+//#undef _interlockedbittestandreset
+
+//inline U32 get_cpu_clock_count_32()
+//{
+// U64 time_stamp = __rdtsc();
+// return (U32)(time_stamp >> 8);
+//}
+//
+//// return full timer value, *not* shifted by 8 bits
+//inline U64 get_cpu_clock_count_64()
+//{
+// return __rdtsc();
+//}
+
+// shift off lower 8 bits for lower resolution but longer term timing
+// on 1Ghz machine, a 32-bit word will hold ~1000 seconds of timing
+inline U32 get_cpu_clock_count_32()
+{
+ U32 ret_val;
+ __asm
+ {
+ _emit 0x0f
+ _emit 0x31
+ shr eax,8
+ shl edx,24
+ or eax, edx
+ mov dword ptr [ret_val], eax
+ }
+ return ret_val;
+}
+
+// return full timer value, *not* shifted by 8 bits
+inline U64 get_cpu_clock_count_64()
+{
+ U64 ret_val;
+ __asm
+ {
+ _emit 0x0f
+ _emit 0x31
+ mov eax,eax
+ mov edx,edx
+ mov dword ptr [ret_val+4], edx
+ mov dword ptr [ret_val], eax
+ }
+ return ret_val;
}
#endif