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Diffstat (limited to 'newlib/libm/machine/spu/headers/llrintf.h')
-rw-r--r-- | newlib/libm/machine/spu/headers/llrintf.h | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/newlib/libm/machine/spu/headers/llrintf.h b/newlib/libm/machine/spu/headers/llrintf.h deleted file mode 100644 index 76b6d70ef..000000000 --- a/newlib/libm/machine/spu/headers/llrintf.h +++ /dev/null @@ -1,80 +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 _LLRINTF_H_ -#define _LLRINTF_H_ 1 - -#include <spu_intrinsics.h> -#include "headers/vec_literal.h" - -static __inline long long int _llrintf(float x) -{ - int shift; - vec_int4 exp; - vec_uint4 mant, sign, borrow; - vec_float4 in; - - in = spu_promote(x, 0); - - /* Place mantissa bits (including implied most signficant - * bit) into the most significant bits of element 3. Elements - * 0, 1, and 2 are zeroed. - */ - mant = spu_sel(spu_rlmaskqwbyte((vec_uint4)in, -11), - VEC_SPLAT_U32(0x80000000), - VEC_LITERAL(vec_uint4, 0,0,0xFF,0x800000FF)); - - /* Determine how many bits to shift the mantissa to correctly - * align it into long long element 0. - */ - exp = spu_and(spu_rlmask((vec_int4)in, -23), 0xFF); - shift = spu_extract(spu_add(exp, -94), 0); - - /* Algn mantissa bits - */ - mant = spu_slqwbytebc(spu_slqw(mant, shift), shift); - - /* 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 /* _LLRINTF_H_ */ |