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51 lines
1.3 KiB
C++
51 lines
1.3 KiB
C++
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// Copyright 2009-2020 Intel Corporation
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// SPDX-License-Identifier: Apache-2.0
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#pragma once
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/* Make precision match SSE, at the cost of some performance */
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#if !defined(__aarch64__)
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# define SSE2NEON_PRECISE_DIV 1
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# define SSE2NEON_PRECISE_SQRT 1
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#endif
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#include "sse2neon.h"
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__forceinline __m128 _mm_fmsub_ps(__m128 a, __m128 b, __m128 c) {
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__m128 neg_c = vreinterpretq_m128_f32(vnegq_f32(vreinterpretq_f32_m128(c)));
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return _mm_fmadd_ps(a, b, neg_c);
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}
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__forceinline __m128 _mm_fnmadd_ps(__m128 a, __m128 b, __m128 c) {
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#if defined(__aarch64__)
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return vreinterpretq_m128_f32(vfmsq_f32(vreinterpretq_f32_m128(c),
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vreinterpretq_f32_m128(b),
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vreinterpretq_f32_m128(a)));
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#else
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return _mm_sub_ps(c, _mm_mul_ps(a, b));
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#endif
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}
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__forceinline __m128 _mm_fnmsub_ps(__m128 a, __m128 b, __m128 c) {
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return vreinterpretq_m128_f32(vnegq_f32(vreinterpretq_f32_m128(_mm_fmadd_ps(a,b,c))));
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}
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/* Dummy defines for floating point control */
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#define _MM_MASK_MASK 0x1f80
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#define _MM_MASK_DIV_ZERO 0x200
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#define _MM_FLUSH_ZERO_ON 0x8000
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#define _MM_MASK_DENORM 0x100
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#define _MM_SET_EXCEPTION_MASK(x)
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#define _MM_SET_FLUSH_ZERO_MODE(x)
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__forceinline int _mm_getcsr()
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{
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return 0;
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}
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__forceinline void _mm_mfence()
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{
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__sync_synchronize();
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}
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