parent
ae45142adc
commit
b41a07c31a
@ -18,6 +18,7 @@
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# endif
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# include <pthread.h>
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# include <errno.h>
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# include <sys/time.h>
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#endif
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#include <sys/types.h>
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@ -61,6 +62,4 @@ isblank(int c)
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#endif
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#include <fcntl.h>
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#include <sys/time.h>
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#endif /* JEMALLOC_INTERNAL_H */
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@ -21,7 +21,37 @@ static __forceinline int ffs(int x)
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return (ffsl(x));
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}
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# ifdef _M_X64
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# pragma intrinsic(_BitScanForward64)
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# endif
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static __forceinline int ffsll(unsigned __int64 x)
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{
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unsigned long i;
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#ifdef _M_X64
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if (_BitScanForward64(&i, x))
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return (i + 1);
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return (0);
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#else
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// Fallback for 32-bit build where 64-bit version not available
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// assuming little endian
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union {
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unsigned __int64 ll;
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unsigned long l[2];
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} s;
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s.ll = x;
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if (_BitScanForward(&i, s.l[0]))
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return (i + 1);
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else if(_BitScanForward(&i, s.l[1]))
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return (i + 33);
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return (0);
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#endif
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}
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#else
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# define ffsll(x) __builtin_ffsll(x)
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# define ffsl(x) __builtin_ffsl(x)
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# define ffs(x) __builtin_ffs(x)
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#endif
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@ -11,7 +11,6 @@
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#ifdef _WIN32
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# include "msvc_compat/strings.h"
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#endif
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#include <sys/time.h>
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#ifdef _WIN32
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# include <windows.h>
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@ -1,8 +1,5 @@
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/* Simple timer, for use in benchmark reporting. */
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#include <unistd.h>
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#include <sys/time.h>
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typedef struct {
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nstime_t t0;
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nstime_t t1;
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