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author | Ralf Baechle <ralf@linux-mips.org> | 2014-04-25 00:29:50 +0200 |
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committer | Ralf Baechle <ralf@linux-mips.org> | 2014-05-23 15:11:14 +0200 |
commit | dfbf42b844a5f307bd66716da65f01be9107bc0b (patch) | |
tree | 99da96f3c2faeb7ec202c681fe98d3a1f8f8ce40 /arch/mips/math-emu/dp_modf.c | |
parent | 1bc3320d954183031bd3dc1dac36858c3c96e0b3 (diff) | |
download | op-kernel-dev-dfbf42b844a5f307bd66716da65f01be9107bc0b.zip op-kernel-dev-dfbf42b844a5f307bd66716da65f01be9107bc0b.tar.gz |
MIPS: math-emu: Remove unused code.
Shrinks the FPU emulator by 4528 bytes.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/math-emu/dp_modf.c')
-rw-r--r-- | arch/mips/math-emu/dp_modf.c | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/arch/mips/math-emu/dp_modf.c b/arch/mips/math-emu/dp_modf.c deleted file mode 100644 index d83ec44..0000000 --- a/arch/mips/math-emu/dp_modf.c +++ /dev/null @@ -1,79 +0,0 @@ -/* IEEE754 floating point arithmetic - * double precision: common utilities - */ -/* - * 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. - * - * This program is distributed in the hope 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. - * - * ######################################################################## - */ - - -#include "ieee754dp.h" - -/* modf function is always exact for a finite number -*/ -union ieee754dp ieee754dp_modf(union ieee754dp x, union ieee754dp *ip) -{ - COMPXDP; - - ieee754_clearcx(); - - EXPLODEXDP; - - switch (xc) { - case IEEE754_CLASS_SNAN: - case IEEE754_CLASS_QNAN: - case IEEE754_CLASS_INF: - case IEEE754_CLASS_ZERO: - *ip = x; - return x; - case IEEE754_CLASS_DNORM: - /* far to small */ - *ip = ieee754dp_zero(xs); - return x; - case IEEE754_CLASS_NORM: - break; - } - if (xe < 0) { - *ip = ieee754dp_zero(xs); - return x; - } - if (xe >= DP_FBITS) { - *ip = x; - return ieee754dp_zero(xs); - } - /* generate ipart mantissa by clearing bottom bits - */ - *ip = builddp(xs, xe + DP_EBIAS, - ((xm >> (DP_FBITS - xe)) << (DP_FBITS - xe)) & - ~DP_HIDDEN_BIT); - - /* generate fpart mantissa by clearing top bits - * and normalizing (must be able to normalize) - */ - xm = (xm << (64 - (DP_FBITS - xe))) >> (64 - (DP_FBITS - xe)); - if (xm == 0) - return ieee754dp_zero(xs); - - while ((xm >> DP_FBITS) == 0) { - xm <<= 1; - xe--; - } - return builddp(xs, xe + DP_EBIAS, xm & ~DP_HIDDEN_BIT); -} |