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Diffstat (limited to 'newlib/libm/machine/spu/headers/truncd2.h')
| -rw-r--r-- | newlib/libm/machine/spu/headers/truncd2.h | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/newlib/libm/machine/spu/headers/truncd2.h b/newlib/libm/machine/spu/headers/truncd2.h deleted file mode 100644 index 87d4a38ca..000000000 --- a/newlib/libm/machine/spu/headers/truncd2.h +++ /dev/null @@ -1,86 +0,0 @@ -/* -------------------------------------------------------------- */ -/* (C)Copyright 2001,2008, */ -/* International Business Machines Corporation, */ -/* Sony Computer Entertainment, Incorporated, */ -/* Toshiba Corporation, */ -/* */ -/* All Rights Reserved. */ -/* */ -/* Redistribution and use in source and binary forms, with or */ -/* without modification, are permitted provided that the */ -/* following conditions are met: */ -/* */ -/* - Redistributions of source code must retain the above copyright*/ -/* notice, this list of conditions and the following disclaimer. */ -/* */ -/* - Redistributions in binary form must reproduce the above */ -/* copyright notice, this list of conditions and the following */ -/* disclaimer in the documentation and/or other materials */ -/* provided with the distribution. */ -/* */ -/* - Neither the name of IBM Corporation nor the names of its */ -/* contributors may be used to endorse or promote products */ -/* derived from this software without specific prior written */ -/* permission. */ -/* */ -/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND */ -/* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, */ -/* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */ -/* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */ -/* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR */ -/* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, */ -/* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT */ -/* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; */ -/* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) */ -/* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN */ -/* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR */ -/* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, */ -/* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ -/* -------------------------------------------------------------- */ -/* PROLOG END TAG zYx */ -#ifdef __SPU__ -#ifndef _TRUNCD2_H_ -#define _TRUNCD2_H_ 1 - -#include <spu_intrinsics.h> - -/* - * FUNCTION - * vector double _truncd2(vector double x) - * - * DESCRIPTION - * The _truncd2 function truncates the elements of the input vector - * downwards (towards zero) to the nearest integer. - * - */ -static __inline vector double _truncd2(vector double in) -{ - vec_uchar16 splat_hi = (vec_uchar16) { 0,1,2,3,0,1,2,3, 8,9,10,11, 8,9,10,11 }; - vec_int4 exp, shift; - vec_uint4 sign = (vec_uint4) { 0x80000000, 0, 0x80000000, 0 }; - vec_uint4 or_mask, and_mask, mask; - vec_double2 in_hi, out; - - /* Construct a mask to remove the fraction bits. The mask - * depends on the exponent of the floating point - * input value. - */ - in_hi = spu_shuffle(in, in, splat_hi); - exp = spu_and(spu_rlmask((vec_int4)in_hi, -20), 0x7FF); - - shift = spu_sub(((vec_int4) { 1023, 1043, 1023, 1043 }), exp); - or_mask = spu_andc(spu_cmpgt(shift, 0), sign); - - and_mask = spu_rlmask(((vec_uint4) { 0xFFFFF, -1, 0xFFFFF, -1 }), shift); - mask = spu_or(spu_and(and_mask, spu_cmpgt(shift, -32)), or_mask); - - /* Apply the mask and return the result. - */ - out = spu_andc(in, (vec_double2)(mask)); - - return (out); -} - - -#endif /* _TRUNCD2_H_ */ -#endif /* __SPU__ */ |