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provide a gcc style alternative to the inline asm in timing.h

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Jonathan Gray 2013-04-25 14:44:49 +10:00
parent d140164808
commit 067e58ea4e
1 changed files with 8 additions and 2 deletions
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10
codemp/qcommon/timing.h
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@ -12,6 +12,7 @@ public:
} }
void Start() void Start()
{ {
#ifdef _MSVC_VER
const int64_t *s = &start; const int64_t *s = &start;
__asm __asm
{ {
@ -28,12 +29,15 @@ public:
pop ebx pop ebx
pop eax pop eax
} }
#else
asm("rdtsc" : "=A"(start));
#endif
} }
int End() int End()
{ {
const int64_t *e = &end;
int64_t time; int64_t time;
#ifndef __linux__ #ifdef _MSVC_VER
const int64_t *e = &end;
__asm __asm
{ {
push eax push eax
@ -49,6 +53,8 @@ public:
pop ebx pop ebx
pop eax pop eax
} }
#else
asm("rdtsc" : "=A"(time));
#endif #endif
time = end - start; time = end - start;
if (time < 0) if (time < 0)