diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/parisc/math-emu/denormal.c')
| -rw-r--r-- | ANDROID_3.4.5/arch/parisc/math-emu/denormal.c | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/ANDROID_3.4.5/arch/parisc/math-emu/denormal.c b/ANDROID_3.4.5/arch/parisc/math-emu/denormal.c deleted file mode 100644 index 60687e13..00000000 --- a/ANDROID_3.4.5/arch/parisc/math-emu/denormal.c +++ /dev/null @@ -1,135 +0,0 @@ -/* - * 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 - */ -/* - * BEGIN_DESC - * - * File: - * @(#) pa/fp/denormal.c $ Revision: $ - * - * Purpose: - * <<please update with a synopsis of the functionality provided by this file>> - * - * External Interfaces: - * <<the following list was autogenerated, please review>> - * dbl_denormalize(dbl_opndp1,dbl_opndp2,inexactflag,rmode) - * sgl_denormalize(sgl_opnd,inexactflag,rmode) - * - * Internal Interfaces: - * <<please update>> - * - * Theory: - * <<please update with a overview of the operation of this file>> - * - * END_DESC -*/ - - - -#include "float.h" -#include "sgl_float.h" -#include "dbl_float.h" -#include "hppa.h" -#include <linux/kernel.h> -/* #include <machine/sys/mdep_private.h> */ - -#undef Fpustatus_register -#define Fpustatus_register Fpu_register[0] - -void -sgl_denormalize(unsigned int *sgl_opnd, boolean *inexactflag, int rmode) -{ - unsigned int opnd; - int sign, exponent; - boolean guardbit = FALSE, stickybit, inexact; - - opnd = *sgl_opnd; - stickybit = *inexactflag; - exponent = Sgl_exponent(opnd) - SGL_WRAP; - sign = Sgl_sign(opnd); - Sgl_denormalize(opnd,exponent,guardbit,stickybit,inexact); - if (inexact) { - switch (rmode) { - case ROUNDPLUS: - if (sign == 0) { - Sgl_increment(opnd); - } - break; - case ROUNDMINUS: - if (sign != 0) { - Sgl_increment(opnd); - } - break; - case ROUNDNEAREST: - if (guardbit && (stickybit || - Sgl_isone_lowmantissa(opnd))) { - Sgl_increment(opnd); - } - break; - } - } - Sgl_set_sign(opnd,sign); - *sgl_opnd = opnd; - *inexactflag = inexact; - return; -} - -void -dbl_denormalize(unsigned int *dbl_opndp1, - unsigned int * dbl_opndp2, - boolean *inexactflag, - int rmode) -{ - unsigned int opndp1, opndp2; - int sign, exponent; - boolean guardbit = FALSE, stickybit, inexact; - - opndp1 = *dbl_opndp1; - opndp2 = *dbl_opndp2; - stickybit = *inexactflag; - exponent = Dbl_exponent(opndp1) - DBL_WRAP; - sign = Dbl_sign(opndp1); - Dbl_denormalize(opndp1,opndp2,exponent,guardbit,stickybit,inexact); - if (inexact) { - switch (rmode) { - case ROUNDPLUS: - if (sign == 0) { - Dbl_increment(opndp1,opndp2); - } - break; - case ROUNDMINUS: - if (sign != 0) { - Dbl_increment(opndp1,opndp2); - } - break; - case ROUNDNEAREST: - if (guardbit && (stickybit || - Dbl_isone_lowmantissap2(opndp2))) { - Dbl_increment(opndp1,opndp2); - } - break; - } - } - Dbl_set_sign(opndp1,sign); - *dbl_opndp1 = opndp1; - *dbl_opndp2 = opndp2; - *inexactflag = inexact; - return; -} |