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Diffstat (limited to 'newlib/libm/machine/spu/headers/signbitd2.h')
| -rw-r--r-- | newlib/libm/machine/spu/headers/signbitd2.h | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/newlib/libm/machine/spu/headers/signbitd2.h b/newlib/libm/machine/spu/headers/signbitd2.h deleted file mode 100644 index 74138d4e6..000000000 --- a/newlib/libm/machine/spu/headers/signbitd2.h +++ /dev/null @@ -1,74 +0,0 @@ -/* -------------------------------------------------------------- */ -/* (C)Copyright 2006,2008, */ -/* International Business Machines 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 _SIGNBITD2_H_ -#define _SIGNBITD2_H_ 1 - -#include <spu_intrinsics.h> - -/* - * FUNCTION - * vector unsigned long long _signbitd2(vector double x) - * - * DESCRIPTION - * The signbitd2 function returns a vector which contains either all ones - * or all zeros, depending on the sign of the corresponding input vector - * element. - * - * Note that the signbit functions are not logically equivalent to - * x < 0.0. IEEE 754 floating point rules include a signed zero, so if - * the input value is –0.0, signbit will return non-zero, but the naive - * implementation will not. - * - * RETURNS - * The function signbitf4 returns an unsigned int vector in which each - * element is defined as: - * - * - ULLONG_MAX (0xFFFFFFFFFFFFFFFF) if the sign bit is set for the - * corresponding element of x - * - 0 (0x0000000000000000) otherwise. - * - */ -static __inline vector unsigned long long _signbitd2(vector double x) -{ - vec_uchar16 shuf = ((vec_uchar16){0, 1, 2, 3, 0, 1, 2, 3, 8, 9, 10, 11, 8, 9, 10, 11}); - vec_uint4 r = spu_rlmaska((vec_uint4)x,-31); - return (vec_ullong2)spu_shuffle(r,r,shuf); -} -#endif /* _SIGNBITD2_H_ */ -#endif /* __SPU__ */ |