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Diffstat (limited to 'newlib/libm/machine/spu/headers/truncf4.h')
| -rw-r--r-- | newlib/libm/machine/spu/headers/truncf4.h | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/newlib/libm/machine/spu/headers/truncf4.h b/newlib/libm/machine/spu/headers/truncf4.h deleted file mode 100644 index b762e3a46..000000000 --- a/newlib/libm/machine/spu/headers/truncf4.h +++ /dev/null @@ -1,79 +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 _TRUNCF4_H_ -#define _TRUNCF4_H_ 1 - -#include <spu_intrinsics.h> - -/* - * FUNCTION - * vector float _truncf4(vector float x) - * - * DESCRIPTION - * The _truncf4 function truncates the elements of the input vector - * downwards (towards zero) to the nearest integer. - * - */ -static __inline vector float _truncf4(vector float x) -{ - vec_int4 exp; - vec_uint4 or_mask, and_mask, mask; - vec_float4 out; - - // Construct a mask to remove the fraction bits. The mask - // depends on the exponent of the floating point - // input value. - exp = spu_sub(127, spu_and(spu_rlmask((vec_int4) x, -23), 0xFF)); - - // Be sure to always preserve the sign bit - or_mask = spu_rlmask(spu_cmpgt(exp, 0),-1); - - and_mask = spu_rlmask(spu_splats((unsigned int)0x7FFFFF), exp); - mask = spu_or(spu_and(and_mask, spu_cmpgt(exp, -31)), or_mask); - - // Apply the mask and return the result. - - out = spu_andc(x, (vec_float4) (mask)); - return (out); -} -#endif /* _TRUNCF4_H_ */ -#endif /* __SPU__ */ |