parisc/math-emu/fpbits.h

1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3  * Linux/PA-RISC Project (http://www.parisc-linux.org/)
5  * Floating-point emulation code
6  *  Copyright (C) 2001 Hewlett-Packard (Paul Bame) <bame@debian.org>
10     PA header file -- do not include this header file for non-PA builds.
18  *  and bitfield assignment (default left-to-right,  unlike VAX, PDP-11)
20  *  the C compiler "-D" flag (e.g., -DHOSTWDSZ=36 -DBITFLR for the DEC-20).
22  *  is a 32-bit integer (right-justified on the 20) and that bit 0 is the
23  *  most significant bit.
33 /*-------------------------------------------------------------------------
34  * NewDeclareBitField_Reference - Declare a structure similar to the simulator
39  *----------------------------------------------------------------------- */
41     ((object) >> (HOSTWDSZ - (start) - (length)) & 	\
42     ((unsigned)-1 >> (HOSTWDSZ - (length))))
45     ((int)((object) << start) >> (HOSTWDSZ - (length)))
48     ((object) & (((unsigned)-1 >> (HOSTWDSZ-len)) << (HOSTWDSZ-start-len)))
51     ((object) & ~(((unsigned)-1 >> (HOSTWDSZ-len)) << (HOSTWDSZ-start-len))) | \
52     (((value) & ((unsigned)-1 >> (HOSTWDSZ-len))) << (HOSTWDSZ-start-len))