diff options
Diffstat (limited to 'newlib/libm/machine/spu/headers/llrint.h')
-rw-r--r-- | newlib/libm/machine/spu/headers/llrint.h | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/newlib/libm/machine/spu/headers/llrint.h b/newlib/libm/machine/spu/headers/llrint.h deleted file mode 100644 index 656322255..000000000 --- a/newlib/libm/machine/spu/headers/llrint.h +++ /dev/null @@ -1,85 +0,0 @@ -/* - (C) Copyright 2001,2006, - 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 names of the copyright holders nor the names of their - 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. -*/ -#ifndef _LLRINT_H_ -#define _LLRINT_H_ 1 - -#include <spu_intrinsics.h> -#include "headers/vec_literal.h" - -static __inline long long int _llrint(double x) -{ - int shift; - vec_int4 exp; - vec_uint4 mant, sign, mask, borrow; - vec_double2 in, bias; - - in = spu_promote(x, 0); - - /* Round the input according to the current rounding mode. - */ - bias = spu_sel((vec_double2)(VEC_SPLAT_U64(0x4330000000000000ULL)), in, - VEC_SPLAT_U64(0x8000000000000000ULL)); - mant = (vec_uint4)(spu_sub(spu_add(in, bias), bias)); - - /* Determine how many bits to shift the mantissa to correctly - * align it into long long element 0. - */ - exp = spu_and(spu_rlmask((vec_int4)mant, -20), 0x7FF); - exp = spu_add(exp, -1011); - shift = spu_extract(exp, 0); - - mask = spu_cmpgt(exp, 0); - mask = (vec_uint4)spu_maskw(spu_extract(mask, 0)); - - /* Algn mantissa bits - */ - mant = spu_sel(spu_rlmaskqwbyte(mant, -8), VEC_SPLAT_U32(0x00100000), - VEC_LITERAL(vec_uint4, 0,0,0xFFF00000,0)); - - mant = spu_and(spu_slqwbytebc(spu_slqw(mant, shift), shift), mask); - - /* Compute the two's complement of the mantissa if the - * input is negative. - */ - sign = spu_maskw(spu_extract(spu_rlmaska((vec_int4)in, -31), 0)); - - mant = spu_xor(mant, sign); - borrow = spu_genb(mant, sign); - borrow = spu_shuffle(borrow, borrow, - VEC_LITERAL(vec_uchar16, 4,5,6,7, 192,192,192,192, - 4,5,6,7, 192,192,192,192)); - mant = spu_subx(mant, sign, borrow); - - return (spu_extract((vec_llong2)(mant), 0)); -} -#endif /* _LLRINT_H_ */ |