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Diffstat (limited to 'arch/parisc/math-emu/hppa.h')
| -rw-r--r-- | arch/parisc/math-emu/hppa.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/parisc/math-emu/hppa.h b/arch/parisc/math-emu/hppa.h new file mode 100644 index 00000000000..5d3d52f7323 --- /dev/null +++ b/arch/parisc/math-emu/hppa.h @@ -0,0 +1,42 @@ +/* + * Linux/PA-RISC Project (http://www.parisc-linux.org/) + * + * Floating-point emulation code + * Copyright (C) 2001 Hewlett-Packard (Paul Bame) <bame@debian.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifdef __NO_PA_HDRS + PA header file -- do not include this header file for non-PA builds. +#endif + + +/* amount is assumed to be a constant between 0 and 32 (non-inclusive) */ +#define Shiftdouble(left,right,amount,dest) \ + /* int left, right, amount, dest; */ \ + dest = ((left) << (32-(amount))) | ((unsigned int)(right) >> (amount)) + +/* amount must be less than 32 */ +#define Variableshiftdouble(left,right,amount,dest) \ + /* unsigned int left, right; int amount, dest; */ \ + if (amount == 0) dest = right; \ + else dest = ((((unsigned) left)&0x7fffffff) << (32-(amount))) | \ + ((unsigned) right >> (amount)) + +/* amount must be between 0 and 32 (non-inclusive) */ +#define Variable_shift_double(left,right,amount,dest) \ + /* unsigned int left, right; int amount, dest; */ \ + dest = (left << (32-(amount))) | ((unsigned) right >> (amount)) |