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82 lines
3.3 KiB
82 lines
3.3 KiB
4 months ago
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/* Copyright (c) 2013 Julien Pommier ( pommier@modartt.com )
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Redistribution and use of the Software in source and binary forms,
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with or without modification, is permitted provided that the
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following conditions are met:
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- Neither the names of NCAR's Computational and Information Systems
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Laboratory, the University Corporation for Atmospheric Research,
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nor the names of its sponsors or contributors may be used to
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endorse or promote products derived from this Software without
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specific prior written permission.
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- Redistributions of source code must retain the above copyright
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notices, this list of conditions, and the disclaimer below.
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- Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions, and the disclaimer below in the
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documentation and/or other materials provided with the
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distribution.
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THIS SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE CONTRIBUTORS OR COPYRIGHT
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HOLDERS BE LIABLE FOR ANY CLAIM, INDIRECT, INCIDENTAL, SPECIAL,
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EXEMPLARY, OR CONSEQUENTIAL DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS WITH THE
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SOFTWARE.
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*/
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#ifndef PF_ALTIVEC_FLT_H
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#define PF_ALTIVEC_FLT_H
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/*
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Altivec support macros
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*/
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#if !defined(PFFFT_SIMD_DISABLE) && (defined(__ppc__) || defined(__ppc64__))
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#pragma message( __FILE__ ": ALTIVEC float macros are defined" )
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typedef vector float v4sf;
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# define SIMD_SZ 4
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typedef union v4sf_union {
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v4sf v;
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float f[SIMD_SZ];
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} v4sf_union;
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# define VREQUIRES_ALIGN 1 /* not sure, if really required */
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# define VARCH "ALTIVEC"
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# define VZERO() ((vector float) vec_splat_u8(0))
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# define VMUL(a,b) vec_madd(a,b, VZERO())
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# define VADD(a,b) vec_add(a,b)
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# define VMADD(a,b,c) vec_madd(a,b,c)
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# define VSUB(a,b) vec_sub(a,b)
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inline v4sf ld_ps1(const float *p) { v4sf v=vec_lde(0,p); return vec_splat(vec_perm(v, v, vec_lvsl(0, p)), 0); }
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# define LD_PS1(p) ld_ps1(&p)
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# define INTERLEAVE2(in1, in2, out1, out2) { v4sf tmp__ = vec_mergeh(in1, in2); out2 = vec_mergel(in1, in2); out1 = tmp__; }
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# define UNINTERLEAVE2(in1, in2, out1, out2) { \
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vector unsigned char vperm1 = (vector unsigned char)(0,1,2,3,8,9,10,11,16,17,18,19,24,25,26,27); \
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vector unsigned char vperm2 = (vector unsigned char)(4,5,6,7,12,13,14,15,20,21,22,23,28,29,30,31); \
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v4sf tmp__ = vec_perm(in1, in2, vperm1); out2 = vec_perm(in1, in2, vperm2); out1 = tmp__; \
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}
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# define VTRANSPOSE4(x0,x1,x2,x3) { \
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v4sf y0 = vec_mergeh(x0, x2); \
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v4sf y1 = vec_mergel(x0, x2); \
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v4sf y2 = vec_mergeh(x1, x3); \
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v4sf y3 = vec_mergel(x1, x3); \
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x0 = vec_mergeh(y0, y2); \
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x1 = vec_mergel(y0, y2); \
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x2 = vec_mergeh(y1, y3); \
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x3 = vec_mergel(y1, y3); \
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}
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# define VSWAPHL(a,b) vec_perm(a,b, (vector unsigned char)(16,17,18,19,20,21,22,23,8,9,10,11,12,13,14,15))
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# define VALIGNED(ptr) ((((uintptr_t)(ptr)) & 0xF) == 0)
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#endif
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#endif /* PF_SSE1_FLT_H */
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