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23 lines
573 B
C
23 lines
573 B
C
//
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// arch/x86_64/rsp/vsubc.h
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//
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// This file is subject to the terms and conditions defined in
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// 'LICENSE', which is part of this source code package.
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//
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#include "common.h"
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static inline __m128i rsp_vsubc(__m128i vs, __m128i vt,
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__m128i zero, __m128i *eq, __m128i *sn) {
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__m128i equal, sat_udiff, sat_udiff_zero;
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sat_udiff = _mm_subs_epu16(vs, vt);
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equal = _mm_cmpeq_epi16(vs, vt);
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sat_udiff_zero = _mm_cmpeq_epi16(sat_udiff, zero);
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*eq = _mm_cmpeq_epi16(equal, zero);
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*sn = _mm_andnot_si128(equal, sat_udiff_zero);
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return _mm_sub_epi16(vs, vt);
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}
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