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Diffstat (limited to 'newlib/libm/machine/spu/headers/vec_literal.h')
-rw-r--r-- | newlib/libm/machine/spu/headers/vec_literal.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/newlib/libm/machine/spu/headers/vec_literal.h b/newlib/libm/machine/spu/headers/vec_literal.h new file mode 100644 index 000000000..0098fee54 --- /dev/null +++ b/newlib/libm/machine/spu/headers/vec_literal.h @@ -0,0 +1,93 @@ +/* + (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 _VEC_LITERAL_H_ +#define _VEC_LITERAL_H_ + +/* This header files provides an abstraction for the various implementations + * of vector literal construction. The two formats are: + * + * 1) Altivec styled using parenthesis + * 2) C grammer friendly styled using curly braces + * + * The macro, VEC_LITERAL has been developed to provide some portability + * in these two styles. To achieve true portability, user must specify all + * elements of the vector being initialized. A single element can be provided + * but only the first element guarenteed across both construction styles. + * + * The VEC_SPLAT_* macros have been provided for portability of vector literal + * construction when all the elements of the vector contain the same value. + */ + +#include <spu_intrinsics.h> + +#ifdef __ALTIVEC_LITERAL_STYLE__ +/* Use altivec style. + */ +#define VEC_LITERAL(_type, ...) ((_type)(__VA_ARGS__)) + +#define VEC_SPLAT_U8(_val) ((vector unsigned char)(_val)) +#define VEC_SPLAT_S8(_val) ((vector signed char)(_val)) + +#define VEC_SPLAT_U16(_val) ((vector unsigned short)(_val)) +#define VEC_SPLAT_S16(_val) ((vector signed short)(_val)) + +#define VEC_SPLAT_U32(_val) ((vector unsigned int)(_val)) +#define VEC_SPLAT_S32(_val) ((vector signed int)(_val)) +#define VEC_SPLAT_F32(_val) ((vector float)(_val)) + +#define VEC_SPLAT_U64(_val) ((vector unsigned long long)(_val)) +#define VEC_SPLAT_S64(_val) ((vector signed long long)(_val)) +#define VEC_SPLAT_F64(_val) ((vector double)(_val)) + +#else +/* Use curly brace style. + */ +#define VEC_LITERAL(_type, ...) ((_type){__VA_ARGS__}) + +#define VEC_SPLAT_U8(_val) ((vector unsigned char){_val, _val, _val, _val, _val, _val, _val, _val, _val, _val, _val, _val, _val, _val, _val, _val}) +#define VEC_SPLAT_S8(_val) ((vector signed char){_val, _val, _val, _val, _val, _val, _val, _val, _val, _val, _val, _val, _val, _val, _val, _val}) + +#define VEC_SPLAT_U16(_val) ((vector unsigned short){_val, _val, _val, _val, _val, _val, _val, _val}) +#define VEC_SPLAT_S16(_val) ((vector signed short){_val, _val, _val, _val, _val, _val, _val, _val}) + +#define VEC_SPLAT_U32(_val) ((vector unsigned int){_val, _val, _val, _val}) +#define VEC_SPLAT_S32(_val) ((vector signed int){_val, _val, _val, _val}) +#define VEC_SPLAT_F32(_val) ((vector float){_val, _val, _val, _val}) + +#define VEC_SPLAT_U64(_val) ((vector unsigned long long){_val, _val}) +#define VEC_SPLAT_S64(_val) ((vector signed long long){_val, _val}) +#define VEC_SPLAT_F64(_val) ((vector double){_val, _val}) + +#endif + +#endif /* _VEC_LITERAL_H_ */ |