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Move target-arm/nwfpe into linux-user/arm/nwfpe
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4185 c046a42c-6fe2-441c-8c8c-71466251a162
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aurel32
parent
e771edab0d
commit
3ebdd11939
13 changed files with 1 additions and 1 deletions
253
linux-user/arm/nwfpe/single_cpdo.c
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253
linux-user/arm/nwfpe/single_cpdo.c
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/*
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NetWinder Floating Point Emulator
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(c) Rebel.COM, 1998,1999
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Direct questions, comments to Scott Bambrough <scottb@netwinder.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "fpa11.h"
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#include "softfloat.h"
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#include "fpopcode.h"
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float32 float32_exp(float32 Fm);
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float32 float32_ln(float32 Fm);
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float32 float32_sin(float32 rFm);
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float32 float32_cos(float32 rFm);
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float32 float32_arcsin(float32 rFm);
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float32 float32_arctan(float32 rFm);
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float32 float32_log(float32 rFm);
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float32 float32_tan(float32 rFm);
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float32 float32_arccos(float32 rFm);
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float32 float32_pow(float32 rFn,float32 rFm);
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float32 float32_pol(float32 rFn,float32 rFm);
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unsigned int SingleCPDO(const unsigned int opcode)
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{
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FPA11 *fpa11 = GET_FPA11();
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float32 rFm, rFn = float32_zero;
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unsigned int Fd, Fm, Fn, nRc = 1;
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Fm = getFm(opcode);
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if (CONSTANT_FM(opcode))
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{
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rFm = getSingleConstant(Fm);
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}
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else
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{
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switch (fpa11->fType[Fm])
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{
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case typeSingle:
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rFm = fpa11->fpreg[Fm].fSingle;
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break;
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default: return 0;
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}
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}
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if (!MONADIC_INSTRUCTION(opcode))
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{
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Fn = getFn(opcode);
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switch (fpa11->fType[Fn])
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{
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case typeSingle:
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rFn = fpa11->fpreg[Fn].fSingle;
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break;
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default: return 0;
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}
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}
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Fd = getFd(opcode);
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switch (opcode & MASK_ARITHMETIC_OPCODE)
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{
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/* dyadic opcodes */
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case ADF_CODE:
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fpa11->fpreg[Fd].fSingle = float32_add(rFn,rFm, &fpa11->fp_status);
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break;
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case MUF_CODE:
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case FML_CODE:
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fpa11->fpreg[Fd].fSingle = float32_mul(rFn,rFm, &fpa11->fp_status);
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break;
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case SUF_CODE:
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fpa11->fpreg[Fd].fSingle = float32_sub(rFn,rFm, &fpa11->fp_status);
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break;
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case RSF_CODE:
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fpa11->fpreg[Fd].fSingle = float32_sub(rFm,rFn, &fpa11->fp_status);
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break;
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case DVF_CODE:
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case FDV_CODE:
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fpa11->fpreg[Fd].fSingle = float32_div(rFn,rFm, &fpa11->fp_status);
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break;
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case RDF_CODE:
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case FRD_CODE:
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fpa11->fpreg[Fd].fSingle = float32_div(rFm,rFn, &fpa11->fp_status);
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break;
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#if 0
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case POW_CODE:
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fpa11->fpreg[Fd].fSingle = float32_pow(rFn,rFm);
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break;
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case RPW_CODE:
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fpa11->fpreg[Fd].fSingle = float32_pow(rFm,rFn);
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break;
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#endif
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case RMF_CODE:
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fpa11->fpreg[Fd].fSingle = float32_rem(rFn,rFm, &fpa11->fp_status);
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break;
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#if 0
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case POL_CODE:
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fpa11->fpreg[Fd].fSingle = float32_pol(rFn,rFm);
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break;
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#endif
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/* monadic opcodes */
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case MVF_CODE:
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fpa11->fpreg[Fd].fSingle = rFm;
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break;
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case MNF_CODE:
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fpa11->fpreg[Fd].fSingle = float32_chs(rFm);
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break;
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case ABS_CODE:
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fpa11->fpreg[Fd].fSingle = float32_abs(rFm);
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break;
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case RND_CODE:
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case URD_CODE:
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fpa11->fpreg[Fd].fSingle = float32_round_to_int(rFm, &fpa11->fp_status);
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break;
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case SQT_CODE:
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fpa11->fpreg[Fd].fSingle = float32_sqrt(rFm, &fpa11->fp_status);
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break;
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#if 0
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case LOG_CODE:
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fpa11->fpreg[Fd].fSingle = float32_log(rFm);
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break;
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case LGN_CODE:
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fpa11->fpreg[Fd].fSingle = float32_ln(rFm);
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break;
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case EXP_CODE:
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fpa11->fpreg[Fd].fSingle = float32_exp(rFm);
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break;
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case SIN_CODE:
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fpa11->fpreg[Fd].fSingle = float32_sin(rFm);
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break;
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case COS_CODE:
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fpa11->fpreg[Fd].fSingle = float32_cos(rFm);
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break;
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case TAN_CODE:
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fpa11->fpreg[Fd].fSingle = float32_tan(rFm);
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break;
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case ASN_CODE:
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fpa11->fpreg[Fd].fSingle = float32_arcsin(rFm);
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break;
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case ACS_CODE:
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fpa11->fpreg[Fd].fSingle = float32_arccos(rFm);
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break;
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case ATN_CODE:
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fpa11->fpreg[Fd].fSingle = float32_arctan(rFm);
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break;
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#endif
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case NRM_CODE:
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break;
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default:
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{
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nRc = 0;
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}
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}
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if (0 != nRc) fpa11->fType[Fd] = typeSingle;
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return nRc;
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}
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#if 0
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float32 float32_exp(float32 Fm)
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{
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//series
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}
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float32 float32_ln(float32 Fm)
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{
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//series
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}
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float32 float32_sin(float32 rFm)
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{
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//series
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}
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float32 float32_cos(float32 rFm)
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{
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//series
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}
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float32 float32_arcsin(float32 rFm)
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{
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//series
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}
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float32 float32_arctan(float32 rFm)
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{
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//series
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}
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float32 float32_arccos(float32 rFm)
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{
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//return float32_sub(halfPi,float32_arcsin(rFm));
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}
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float32 float32_log(float32 rFm)
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{
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return float32_div(float32_ln(rFm),getSingleConstant(7));
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}
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float32 float32_tan(float32 rFm)
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{
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return float32_div(float32_sin(rFm),float32_cos(rFm));
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}
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float32 float32_pow(float32 rFn,float32 rFm)
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{
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return float32_exp(float32_mul(rFm,float32_ln(rFn)));
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}
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float32 float32_pol(float32 rFn,float32 rFm)
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{
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return float32_arctan(float32_div(rFn,rFm));
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}
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#endif
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