diff options
Diffstat (limited to 'arch/mips/math-emu/dp_fsp.c')
| -rw-r--r-- | arch/mips/math-emu/dp_fsp.c | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/arch/mips/math-emu/dp_fsp.c b/arch/mips/math-emu/dp_fsp.c index daed6834dc1..ffb69c5830b 100644 --- a/arch/mips/math-emu/dp_fsp.c +++ b/arch/mips/math-emu/dp_fsp.c @@ -5,8 +5,6 @@ * MIPS floating point support * Copyright (C) 1994-2000 Algorithmics Ltd. * - * ######################################################################## - * * This program is free software; you can distribute it and/or modify it * under the terms of the GNU General Public License (Version 2) as * published by the Free Software Foundation. @@ -18,56 +16,58 @@ * * 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. - * - * ######################################################################## + * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. */ - +#include "ieee754sp.h" #include "ieee754dp.h" -ieee754dp ieee754dp_fsp(ieee754sp x) +union ieee754dp ieee754dp_fsp(union ieee754sp x) { COMPXSP; EXPLODEXSP; - CLEARCX; + ieee754_clearcx(); FLUSHXSP; switch (xc) { case IEEE754_CLASS_SNAN: - SETCX(IEEE754_INVALID_OPERATION); - return ieee754dp_nanxcpt(ieee754dp_indef(), "fsp"); + ieee754_setcx(IEEE754_INVALID_OPERATION); + return ieee754dp_nanxcpt(ieee754dp_indef()); + case IEEE754_CLASS_QNAN: return ieee754dp_nanxcpt(builddp(xs, DP_EMAX + 1 + DP_EBIAS, ((u64) xm - << (DP_MBITS - - SP_MBITS))), "fsp", - x); + << (DP_FBITS - + SP_FBITS)))); case IEEE754_CLASS_INF: return ieee754dp_inf(xs); + case IEEE754_CLASS_ZERO: return ieee754dp_zero(xs); + case IEEE754_CLASS_DNORM: /* normalize */ - while ((xm >> SP_MBITS) == 0) { + while ((xm >> SP_FBITS) == 0) { xm <<= 1; xe--; } break; + case IEEE754_CLASS_NORM: break; } - /* CAN'T possibly overflow,underflow, or need rounding + /* + * Can't possibly overflow,underflow, or need rounding */ /* drop the hidden bit */ xm &= ~SP_HIDDEN_BIT; return builddp(xs, xe + DP_EBIAS, - (u64) xm << (DP_MBITS - SP_MBITS)); + (u64) xm << (DP_FBITS - SP_FBITS)); } |