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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.target/] [i386/] [bmi-tzcnt-1.c] - Rev 848
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/* { dg-do run { target { bmi && { ! ia32 } } } } */ /* { dg-options "-O2 -mbmi -fno-inline" } */ #include <x86intrin.h> #include "bmi-check.h" long long calc_tzcnt_u64 (long long src) { int i; int res = 0; while ( (res<64) && ((src&1) == 0)) { ++res; src >>= 1; } return res; } static void bmi_test () { unsigned i; long long src = 0xfacec0ffeefacec0; long long res, res_ref; for (i=0; i<5; ++i) { src = i + src << i; res_ref = calc_tzcnt_u64 (src); res = __tzcnt_u64 (src); if (res != res_ref) abort(); } }
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