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85 lines
2.8 KiB
85 lines
2.8 KiB
10 years ago
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/*
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This file is part of FFTS -- The Fastest Fourier Transform in the South
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Copyright (c) 2012, Anthony M. Blake <amb@anthonix.com>
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Copyright (c) 2012, The University of Waikato
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of the organization nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL ANTHONY M. BLAKE BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __SSE_FLOAT_H__
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#define __SSE_FLOAT_H__
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#include <xmmintrin.h>
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//#define VL 4
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typedef __m128 V;
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#define VADD _mm_add_ps
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#define VSUB _mm_sub_ps
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#define VMUL _mm_mul_ps
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//#define VLIT4 _mm_set_ps
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#define VXOR _mm_xor_ps
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#define VST _mm_store_ps
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#define VLD _mm_load_ps
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#define VSWAPPAIRS(x) (_mm_shuffle_ps(x,x,_MM_SHUFFLE(2,3,0,1)))
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#define VUNPACKHI(x,y) (_mm_shuffle_ps(x,y,_MM_SHUFFLE(3,2,3,2)))
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#define VUNPACKLO(x,y) (_mm_shuffle_ps(x,y,_MM_SHUFFLE(1,0,1,0)))
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#define VBLEND(x,y) (_mm_shuffle_ps(x,y,_MM_SHUFFLE(3,2,1,0)))
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#define VLIT4 _mm_set_ps
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#define VDUPRE(r) (_mm_shuffle_ps(r,r,_MM_SHUFFLE(2,2,0,0)))
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#define VDUPIM(r) (_mm_shuffle_ps(r,r,_MM_SHUFFLE(3,3,1,1)))
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#define FFTS_MALLOC(d,a) (_mm_malloc(d,a))
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#define FFTS_FREE(d) (_mm_free(d))
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__INLINE V IMULI(int inv, V a) {
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if(inv) return VSWAPPAIRS(VXOR(a, VLIT4(0.0f, -0.0f, 0.0f, -0.0f)));
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else return VSWAPPAIRS(VXOR(a, VLIT4(-0.0f, 0.0f, -0.0f, 0.0f)));
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}
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__INLINE V IMUL(V d, V re, V im) {
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re = VMUL(re, d);
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im = VMUL(im, VSWAPPAIRS(d));
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return VSUB(re, im);
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}
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__INLINE V IMULJ(V d, V re, V im) {
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re = VMUL(re, d);
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im = VMUL(im, VSWAPPAIRS(d));
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return VADD(re, im);
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}
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#endif
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