linux/arch/powerpc/include/asm/kvm_fpu.h
Andreas Schwab 05d77ac90c powerpc: Remove fpscr use from [kvm_]cvt_{fd,df}
Neither lfs nor stfs touch the fpscr, so remove the restore/save of it
around them.

Signed-off-by: Andreas Schwab <schwab@linux-m68k.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2010-09-02 14:07:32 +10:00

89 lines
2.7 KiB
C

/*
* This program is free software; you can redistribute 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 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Copyright Novell Inc. 2010
*
* Authors: Alexander Graf <agraf@suse.de>
*/
#ifndef __ASM_KVM_FPU_H__
#define __ASM_KVM_FPU_H__
#include <linux/types.h>
extern void fps_fres(u64 *fpscr, u32 *dst, u32 *src1);
extern void fps_frsqrte(u64 *fpscr, u32 *dst, u32 *src1);
extern void fps_fsqrts(u64 *fpscr, u32 *dst, u32 *src1);
extern void fps_fadds(u64 *fpscr, u32 *dst, u32 *src1, u32 *src2);
extern void fps_fdivs(u64 *fpscr, u32 *dst, u32 *src1, u32 *src2);
extern void fps_fmuls(u64 *fpscr, u32 *dst, u32 *src1, u32 *src2);
extern void fps_fsubs(u64 *fpscr, u32 *dst, u32 *src1, u32 *src2);
extern void fps_fmadds(u64 *fpscr, u32 *dst, u32 *src1, u32 *src2,
u32 *src3);
extern void fps_fmsubs(u64 *fpscr, u32 *dst, u32 *src1, u32 *src2,
u32 *src3);
extern void fps_fnmadds(u64 *fpscr, u32 *dst, u32 *src1, u32 *src2,
u32 *src3);
extern void fps_fnmsubs(u64 *fpscr, u32 *dst, u32 *src1, u32 *src2,
u32 *src3);
extern void fps_fsel(u64 *fpscr, u32 *dst, u32 *src1, u32 *src2,
u32 *src3);
#define FPD_ONE_IN(name) extern void fpd_ ## name(u64 *fpscr, u32 *cr, \
u64 *dst, u64 *src1);
#define FPD_TWO_IN(name) extern void fpd_ ## name(u64 *fpscr, u32 *cr, \
u64 *dst, u64 *src1, u64 *src2);
#define FPD_THREE_IN(name) extern void fpd_ ## name(u64 *fpscr, u32 *cr, \
u64 *dst, u64 *src1, u64 *src2, u64 *src3);
extern void fpd_fcmpu(u64 *fpscr, u32 *cr, u64 *src1, u64 *src2);
extern void fpd_fcmpo(u64 *fpscr, u32 *cr, u64 *src1, u64 *src2);
FPD_ONE_IN(fsqrts)
FPD_ONE_IN(frsqrtes)
FPD_ONE_IN(fres)
FPD_ONE_IN(frsp)
FPD_ONE_IN(fctiw)
FPD_ONE_IN(fctiwz)
FPD_ONE_IN(fsqrt)
FPD_ONE_IN(fre)
FPD_ONE_IN(frsqrte)
FPD_ONE_IN(fneg)
FPD_ONE_IN(fabs)
FPD_TWO_IN(fadds)
FPD_TWO_IN(fsubs)
FPD_TWO_IN(fdivs)
FPD_TWO_IN(fmuls)
FPD_TWO_IN(fcpsgn)
FPD_TWO_IN(fdiv)
FPD_TWO_IN(fadd)
FPD_TWO_IN(fmul)
FPD_TWO_IN(fsub)
FPD_THREE_IN(fmsubs)
FPD_THREE_IN(fmadds)
FPD_THREE_IN(fnmsubs)
FPD_THREE_IN(fnmadds)
FPD_THREE_IN(fsel)
FPD_THREE_IN(fmsub)
FPD_THREE_IN(fmadd)
FPD_THREE_IN(fnmsub)
FPD_THREE_IN(fnmadd)
extern void kvm_cvt_fd(u32 *from, u64 *to);
extern void kvm_cvt_df(u64 *from, u32 *to);
#endif