32 lines
600 B
C
32 lines
600 B
C
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/* { dg-do run } */
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/* { dg-options "-O3 -fno-inline" } */
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/* { dg-require-effective-target lp64 } */
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/* { dg-require-effective-target ppc_cpu_supports_hw } */
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#define NO_WARN_X86_INTRINSICS 1
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#include <x86intrin.h>
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#include "bmi-check.h"
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long long calc_blsr_u64 (long long src1, long long src2)
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{
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return (src1-1) & (src2);
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}
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static void
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bmi_test()
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{
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unsigned i;
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long long src = 0xfacec0ffeefacec0;
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long long res, res_ref;
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for (i=0; i<5; ++i) {
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src = (i + src) << i;
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res_ref = calc_blsr_u64 (src, src);
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res = __blsr_u64 (src);
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if (res != res_ref)
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abort();
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}
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}
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