diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/nwfpe/double_cpdo.c')
| -rw-r--r-- | ANDROID_3.4.5/arch/arm/nwfpe/double_cpdo.c | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/ANDROID_3.4.5/arch/arm/nwfpe/double_cpdo.c b/ANDROID_3.4.5/arch/arm/nwfpe/double_cpdo.c deleted file mode 100644 index c51d1386..00000000 --- a/ANDROID_3.4.5/arch/arm/nwfpe/double_cpdo.c +++ /dev/null @@ -1,167 +0,0 @@ -/* - NetWinder Floating Point Emulator - (c) Rebel.COM, 1998,1999 - - Direct questions, comments to Scott Bambrough <scottb@netwinder.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - 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, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -*/ - -#include "fpa11.h" -#include "softfloat.h" -#include "fpopcode.h" - -union float64_components { - float64 f64; - unsigned int i[2]; -}; - -float64 float64_exp(float64 Fm); -float64 float64_ln(float64 Fm); -float64 float64_sin(float64 rFm); -float64 float64_cos(float64 rFm); -float64 float64_arcsin(float64 rFm); -float64 float64_arctan(float64 rFm); -float64 float64_log(float64 rFm); -float64 float64_tan(float64 rFm); -float64 float64_arccos(float64 rFm); -float64 float64_pow(float64 rFn, float64 rFm); -float64 float64_pol(float64 rFn, float64 rFm); - -static float64 float64_rsf(struct roundingData *roundData, float64 rFn, float64 rFm) -{ - return float64_sub(roundData, rFm, rFn); -} - -static float64 float64_rdv(struct roundingData *roundData, float64 rFn, float64 rFm) -{ - return float64_div(roundData, rFm, rFn); -} - -static float64 (*const dyadic_double[16])(struct roundingData*, float64 rFn, float64 rFm) = { - [ADF_CODE >> 20] = float64_add, - [MUF_CODE >> 20] = float64_mul, - [SUF_CODE >> 20] = float64_sub, - [RSF_CODE >> 20] = float64_rsf, - [DVF_CODE >> 20] = float64_div, - [RDF_CODE >> 20] = float64_rdv, - [RMF_CODE >> 20] = float64_rem, - - /* strictly, these opcodes should not be implemented */ - [FML_CODE >> 20] = float64_mul, - [FDV_CODE >> 20] = float64_div, - [FRD_CODE >> 20] = float64_rdv, -}; - -static float64 float64_mvf(struct roundingData *roundData,float64 rFm) -{ - return rFm; -} - -static float64 float64_mnf(struct roundingData *roundData,float64 rFm) -{ - union float64_components u; - - u.f64 = rFm; -#ifdef __ARMEB__ - u.i[0] ^= 0x80000000; -#else - u.i[1] ^= 0x80000000; -#endif - - return u.f64; -} - -static float64 float64_abs(struct roundingData *roundData,float64 rFm) -{ - union float64_components u; - - u.f64 = rFm; -#ifdef __ARMEB__ - u.i[0] &= 0x7fffffff; -#else - u.i[1] &= 0x7fffffff; -#endif - - return u.f64; -} - -static float64 (*const monadic_double[16])(struct roundingData *, float64 rFm) = { - [MVF_CODE >> 20] = float64_mvf, - [MNF_CODE >> 20] = float64_mnf, - [ABS_CODE >> 20] = float64_abs, - [RND_CODE >> 20] = float64_round_to_int, - [URD_CODE >> 20] = float64_round_to_int, - [SQT_CODE >> 20] = float64_sqrt, - [NRM_CODE >> 20] = float64_mvf, -}; - -unsigned int DoubleCPDO(struct roundingData *roundData, const unsigned int opcode, FPREG * rFd) -{ - FPA11 *fpa11 = GET_FPA11(); - float64 rFm; - unsigned int Fm, opc_mask_shift; - - Fm = getFm(opcode); - if (CONSTANT_FM(opcode)) { - rFm = getDoubleConstant(Fm); - } else { - switch (fpa11->fType[Fm]) { - case typeSingle: - rFm = float32_to_float64(fpa11->fpreg[Fm].fSingle); - break; - - case typeDouble: - rFm = fpa11->fpreg[Fm].fDouble; - break; - - default: - return 0; - } - } - - opc_mask_shift = (opcode & MASK_ARITHMETIC_OPCODE) >> 20; - if (!MONADIC_INSTRUCTION(opcode)) { - unsigned int Fn = getFn(opcode); - float64 rFn; - - switch (fpa11->fType[Fn]) { - case typeSingle: - rFn = float32_to_float64(fpa11->fpreg[Fn].fSingle); - break; - - case typeDouble: - rFn = fpa11->fpreg[Fn].fDouble; - break; - - default: - return 0; - } - - if (dyadic_double[opc_mask_shift]) { - rFd->fDouble = dyadic_double[opc_mask_shift](roundData, rFn, rFm); - } else { - return 0; - } - } else { - if (monadic_double[opc_mask_shift]) { - rFd->fDouble = monadic_double[opc_mask_shift](roundData, rFm); - } else { - return 0; - } - } - - return 1; -} |