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authorRalf Baechle <ralf@linux-mips.org>2014-04-25 00:29:50 +0200
committerRalf Baechle <ralf@linux-mips.org>2014-05-23 15:11:14 +0200
commitdfbf42b844a5f307bd66716da65f01be9107bc0b (patch)
tree99da96f3c2faeb7ec202c681fe98d3a1f8f8ce40 /arch/mips/math-emu/dp_modf.c
parent1bc3320d954183031bd3dc1dac36858c3c96e0b3 (diff)
downloadop-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.c79
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);
-}
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