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fix example/perf.c compilation

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In case this ifdef-elseif-chain falls back to the else path, the macro
to `clock()` wasn't defined.

Signed-off-by: Steffen Jaeckel <jaeckel-floss@eyet-services.de>
This commit is contained in:
Steffen Jaeckel
2022-03-04 10:47:45 +01:00
parent c1c697b177
commit 53373261ad
1 changed files with 3 additions and 3 deletions
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6
examples/perf.c
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@@ -81,7 +81,7 @@ static uint64_t timer, skew = 0;
/* RDTSC from Scott Duplichan */ /* RDTSC from Scott Duplichan */
static uint64_t rdtsc(void) static uint64_t rdtsc(void)
{ {
#if defined __GNUC__ && !defined(LTC_NO_ASM) #if defined __GNUC__
#if defined(__i386__) || defined(__x86_64__) #if defined(__i386__) || defined(__x86_64__)
/* version from http://www.mcs.anl.gov/~kazutomo/rdtsc.html /* version from http://www.mcs.anl.gov/~kazutomo/rdtsc.html
* the old code always got a warning issued by gcc, clang did not * the old code always got a warning issued by gcc, clang did not
@@ -117,7 +117,7 @@ static uint64_t rdtsc(void)
__asm__ __volatile__("mrs %0, cntvct_el0" : "=r"(CNTVCT_EL0)); __asm__ __volatile__("mrs %0, cntvct_el0" : "=r"(CNTVCT_EL0));
return CNTVCT_EL0; return CNTVCT_EL0;
#else #else
return XCLOCK(); return clock();
#endif #endif
/* Microsoft and Intel Windows compilers */ /* Microsoft and Intel Windows compilers */
@@ -131,7 +131,7 @@ static uint64_t rdtsc(void)
#endif #endif
return __getReg(3116); return __getReg(3116);
#else #else
return XCLOCK(); return clock();
#endif #endif
} }