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Diffstat (limited to 'newlib/libm/machine/spu/headers/fmax.h')
-rw-r--r--newlib/libm/machine/spu/headers/fmax.h75
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diff --git a/newlib/libm/machine/spu/headers/fmax.h b/newlib/libm/machine/spu/headers/fmax.h
deleted file mode 100644
index f3e3358e6..000000000
--- a/newlib/libm/machine/spu/headers/fmax.h
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-/*
- (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 _FMAX_H_
-#define _FMAX_H_ 1
-
-#include <spu_intrinsics.h>
-#include "headers/vec_literal.h"
-
-/* Return the maximum numeric value of their arguments. If one argument
- * is a NaN, fmax returns the other value. If both are NaNs, then a NaN
- * is returned.
- *
- * Notes:
- * 1) Double precision denorms equate to zero so two denorms compare
- * equal thereby making the following true for two denorm inputs
- * fmax(a, b) != fmax(b, a);
- */
-static __inline double _fmax(double x, double y)
-{
- vec_uint4 nan_x, selector, abs_x, gt, eq;
- vec_uint4 sign = VEC_LITERAL(vec_uint4, 0x80000000, 0, 0x80000000, 0);
- vec_uint4 infinity = VEC_LITERAL(vec_uint4, 0x7FF00000, 0, 0x7FF00000, 0);
- vec_double2 vx, vy, diff, max;
-
- vx = spu_promote(x, 0);
- vy = spu_promote(y, 0);
-
- /* If x is a NaN, then select y as max
- */
- abs_x = spu_andc((vec_uint4)vx, sign);
- gt = spu_cmpgt(abs_x, infinity);
- eq = spu_cmpeq(abs_x, infinity);
-
- nan_x = spu_or(gt, spu_and(eq, spu_rlqwbyte(gt, 4)));
-
- diff = spu_sub(vx, vy);
- selector = spu_orc(nan_x, spu_cmpgt((vec_int4)diff, -1));
- selector = spu_maskw(spu_extract(selector, 0));
-
- max = spu_sel(vx, vy, (vec_ullong2)selector);
-
- return (spu_extract(max, 0));
-}
-
-#endif /* _FMAX_H_ */