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20 lines
600 B
20 lines
600 B
5 months ago
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#ifdef _MSC_VER
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#include <Intrin.h>
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#endif
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#include <arm_neon.h>
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int main(int argc, char **argv)
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{
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// passing from untraced pointers to avoid optimizing out any constants
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// so we can test against the linker.
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float *src = (float*)argv[argc-1];
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float32x4_t v1 = vdupq_n_f32(src[0]), v2 = vdupq_n_f32(src[1]);
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int ret = (int)vgetq_lane_f32(vmulq_f32(v1, v2), 0);
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#ifdef __aarch64__
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double *src2 = (double*)argv[argc-2];
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float64x2_t vd1 = vdupq_n_f64(src2[0]), vd2 = vdupq_n_f64(src2[1]);
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ret += (int)vgetq_lane_f64(vmulq_f64(vd1, vd2), 0);
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#endif
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return ret;
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}
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