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Commit dfbf42b8 authored by Ralf Baechle's avatar Ralf Baechle
Browse files

MIPS: math-emu: Remove unused code. 



Shrinks the FPU emulator by 4528 bytes.

Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 1bc3320d

arch/mips/math-emu/Makefile

+6 −7
Original line number Diff line number Diff line
@@ -2,12 +2,11 @@ 
# Makefile for the Linux/MIPS kernel FPU emulation.

#



obj-y	:= cp1emu.o ieee754m.o ieee754d.o ieee754dp.o ieee754sp.o ieee754.o \

	   ieee754xcpt.o dp_frexp.o dp_modf.o dp_div.o dp_mul.o dp_sub.o \

	   dp_add.o dp_fsp.o dp_cmp.o dp_logb.o dp_scalb.o dp_simple.o \

	   dp_tint.o dp_fint.o dp_tlong.o dp_flong.o sp_frexp.o sp_modf.o \

	   sp_div.o sp_mul.o sp_sub.o sp_add.o sp_fdp.o sp_cmp.o sp_logb.o \

	   sp_scalb.o sp_simple.o sp_tint.o sp_fint.o sp_tlong.o sp_flong.o \

	   dp_sqrt.o sp_sqrt.o kernel_linkage.o dsemul.o

obj-y	:= cp1emu.o ieee754d.o ieee754dp.o ieee754sp.o ieee754.o \

	   ieee754xcpt.o dp_div.o dp_mul.o dp_sub.o dp_add.o dp_fsp.o \

	   dp_cmp.o dp_simple.o dp_tint.o dp_fint.o dp_tlong.o dp_flong.o \

	   sp_div.o sp_mul.o sp_sub.o sp_add.o sp_fdp.o sp_cmp.o sp_simple.o \

	   sp_tint.o sp_fint.o sp_tlong.o sp_flong.o dp_sqrt.o sp_sqrt.o \

	   kernel_linkage.o dsemul.o



obj-$(CONFIG_DEBUG_FS) += me-debugfs.o

arch/mips/math-emu/dp_fint.c

+0 −8
Original line number Diff line number Diff line
@@ -59,11 +59,3 @@ union ieee754dp ieee754dp_fint(int x) 
	}

	return builddp(xs, xe + DP_EBIAS, xm & ~DP_HIDDEN_BIT);

}
 


union ieee754dp ieee754dp_funs(unsigned int u)

{

	if ((int) u < 0)

		return ieee754dp_add(ieee754dp_1e31(),

				     ieee754dp_fint(u & ~(1 << 31)));

	return ieee754dp_fint(u);

}

arch/mips/math-emu/dp_flong.c

+0 −8
Original line number Diff line number Diff line
@@ -67,11 +67,3 @@ union ieee754dp ieee754dp_flong(s64 x) 
	}

	DPNORMRET1(xs, xe, xm, "dp_flong", x);

}
 


union ieee754dp ieee754dp_fulong(u64 u)

{

	if ((s64) u < 0)

		return ieee754dp_add(ieee754dp_1e63(),

				     ieee754dp_flong(u & ~(1ULL << 63)));

	return ieee754dp_flong(u);

}

arch/mips/math-emu/dp_frexp.c

deleted100644 → 0
+0 −52
Original line number Diff line number Diff line 
/* 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"



/* close to ieeep754dp_logb

*/

union ieee754dp ieee754dp_frexp(union ieee754dp x, int *eptr)

{

	COMPXDP;

	ieee754_clearcx();

	EXPLODEXDP;



	switch (xc) {

	case IEEE754_CLASS_SNAN:

	case IEEE754_CLASS_QNAN:

	case IEEE754_CLASS_INF:

	case IEEE754_CLASS_ZERO:

		*eptr = 0;

		return x;

	case IEEE754_CLASS_DNORM:

		DPDNORMX;

		break;

	case IEEE754_CLASS_NORM:

		break;

	}

	*eptr = xe + 1;

	return builddp(xs, -1 + DP_EBIAS, xm & ~DP_HIDDEN_BIT);

}

arch/mips/math-emu/dp_logb.c

deleted100644 → 0
+0 −53
Original line number Diff line number Diff line 
/* 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"



union ieee754dp ieee754dp_logb(union ieee754dp x)

{

	COMPXDP;



	ieee754_clearcx();



	EXPLODEXDP;



	switch (xc) {

	case IEEE754_CLASS_SNAN:

		return ieee754dp_nanxcpt(x, "logb", x);

	case IEEE754_CLASS_QNAN:

		return x;

	case IEEE754_CLASS_INF:

		return ieee754dp_inf(0);

	case IEEE754_CLASS_ZERO:

		return ieee754dp_inf(1);

	case IEEE754_CLASS_DNORM:

		DPDNORMX;

		break;

	case IEEE754_CLASS_NORM:

		break;

	}

	return ieee754dp_fint(xe);

}