58 lines
2.4 KiB
C
58 lines
2.4 KiB
C
/* Common types for SPU SIMD Math Library
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Copyright (C) 2006, 2007 Sony Computer Entertainment Inc.
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All rights reserved.
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Redistribution and use in source and binary forms,
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with or without modification, are permitted provided that the
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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 Sony Computer Entertainment Inc nor the names
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of its contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef ___SIMD_MATH__VEC_UTILS_H___
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#define ___SIMD_MATH__VEC_UTILS_H___
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/*
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* extend spu_cmpgt function to 64bit data
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*/
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static inline vec_uint4
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__vec_gt64_half(vec_uint4 aa, vec_uint4 bb)
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{
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vec_uint4 gt = spu_cmpgt(aa, bb); // aa > bb
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vec_uint4 eq = spu_cmpeq(aa, bb); // aa = bb
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return spu_or(gt, spu_and(eq, spu_rlqwbyte(gt, 4))); // only higher is right
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}
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static inline vec_uint4
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__vec_gt64(vec_uint4 aa, vec_uint4 bb)
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{
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vec_uint4 gt_hi = __vec_gt64_half(aa, bb); // only higher is right
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return spu_shuffle(gt_hi, gt_hi, ((vec_uchar16){ 0,1,2,3,0,1,2,3, 8,9,10,11, 8,9,10,11}));
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}
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static inline vec_uint4
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__vec_eq64_half(vec_uint4 aa, vec_uint4 bb)
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{
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vec_uint4 eq = spu_cmpeq(aa, bb);
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return spu_and(eq, spu_shuffle(eq, eq, ((vec_uchar16){4,5,6,7, 0,1,2,3, 12,13,14,15, 8,9,10,11})));
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}
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#endif
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