| /* ------------------------------------------------------------------ |
| * Copyright (C) 1998-2009 PacketVideo |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either |
| * express or implied. |
| * See the License for the specific language governing permissions |
| * and limitations under the License. |
| * ------------------------------------------------------------------- |
| */ |
| /* |
| |
| Pathname: fxp_mul32_msc_evc.h |
| |
| ------------------------------------------------------------------------------ |
| REVISION HISTORY |
| |
| Who: Date: |
| Description: |
| ------------------------------------------------------------------------------ |
| INCLUDE DESCRIPTION |
| |
| ------------------------------------------------------------------------------ |
| */ |
| |
| |
| #ifndef FXP_MUL32_MSC_EVC |
| #define FXP_MUL32_MSC_EVC |
| |
| |
| #ifdef __cplusplus |
| extern "C" |
| { |
| #endif |
| |
| |
| #include "pv_audio_type_defs.h" |
| |
| #if defined(PV_ARM_MSC_EVC_V4) |
| |
| #include "cmnintrin.h" |
| |
| #define preload_cache( a) |
| |
| __inline Int32 shft_lft_1(Int32 L_var1) |
| { |
| if (((L_var1 << 1) >> 1) == L_var1) |
| L_var1 <<= 1; |
| else |
| L_var1 = ((L_var1 >> 31) ^ INT32_MAX); |
| |
| return L_var1; |
| |
| } |
| |
| __inline Int32 fxp_mul_16_by_16bb(Int32 L_var1, Int32 L_var2) |
| { |
| L_var2 = (L_var2 << 16) >> 16; |
| L_var1 = (L_var1 << 16) >> 16; |
| |
| return (L_var1*L_var2); |
| |
| } |
| |
| #define fxp_mul_16_by_16(a, b) fxp_mul_16_by_16bb( a, b) |
| |
| __inline Int32 fxp_mul_16_by_16tb(Int32 L_var1, Int32 L_var2) |
| { |
| L_var2 = (L_var2 << 16) >> 16; |
| L_var1 = L_var1 >> 16; |
| |
| return (L_var1*L_var2); |
| |
| } |
| |
| |
| __inline Int32 fxp_mul_16_by_16bt(Int32 L_var1, Int32 L_var2) |
| { |
| L_var2 = L_var2 >> 16; |
| L_var1 = (L_var1 << 16) >> 16; |
| |
| return (L_var1*L_var2); |
| |
| } |
| |
| |
| __inline Int32 fxp_mul_16_by_16tt(Int32 L_var1, Int32 L_var2) |
| { |
| L_var2 = L_var2 >> 16; |
| L_var1 = L_var1 >> 16; |
| |
| return (L_var1*L_var2); |
| |
| } |
| |
| __inline Int32 fxp_mac_16_by_16(Int16 L_var1, Int16 L_var2, Int32 L_add) |
| { |
| return (L_add + (L_var1*L_var2)); |
| } |
| |
| |
| |
| __inline Int32 fxp_mac_16_by_16_bb(Int16 L_var1, Int32 L_var2, Int32 L_add) |
| { |
| L_var2 = (L_var2 << 16) >> 16; |
| |
| return (L_add + (L_var1*L_var2)); |
| |
| } |
| |
| |
| __inline Int32 fxp_mac_16_by_16_bt(Int16 L_var1, Int32 L_var2, Int32 L_add) |
| { |
| L_var2 = L_var2 >> 16; |
| |
| return (L_add + (L_var1*L_var2)); |
| |
| } |
| |
| |
| __inline Int32 cmplx_mul32_by_16(Int32 x, const Int32 y, Int32 exp_jw) |
| { |
| Int32 rTmp0 = (exp_jw >> 16) << 16; |
| Int32 iTmp0 = exp_jw << 16; |
| Int32 z; |
| |
| |
| z = _MulHigh(rTmp0, x); |
| z += _MulHigh(iTmp0, y); |
| |
| return (z); |
| } |
| |
| |
| __inline Int32 fxp_mul32_by_16(Int32 L_var1, const Int32 L_var2) |
| { |
| Int32 rTmp0 = L_var2 << 16; |
| |
| return(_MulHigh(rTmp0, L_var1)); |
| } |
| |
| #define fxp_mul32_by_16b( a, b) fxp_mul32_by_16( a, b) |
| |
| |
| __inline Int32 fxp_mul32_by_16t(Int32 L_var1, const Int32 L_var2) |
| { |
| Int32 rTmp0 = (Int16)(L_var2 >> 16); |
| |
| return(_MulHigh((rTmp0 << 16), L_var1)); |
| } |
| |
| |
| __inline Int32 fxp_mac32_by_16(const Int32 L_var1, const Int32 L_var2, Int32 L_add) |
| { |
| |
| Int32 rTmp0 = (L_var2 << 16); |
| |
| return(L_add + _MulHigh(rTmp0, L_var1)); |
| } |
| |
| __inline int64 fxp_mac64_Q31(int64 sum, const Int32 L_var1, const Int32 L_var2) |
| { |
| sum += (int64)L_var1 * L_var2; |
| return (sum); |
| } |
| |
| #define fxp_mul32_Q31( a, b) _MulHigh( b, a) |
| |
| __inline Int32 fxp_mac32_Q31(Int32 L_add, const Int32 a, const Int32 b) |
| { |
| return (L_add + _MulHigh(b, a)); |
| } |
| |
| __inline Int32 fxp_msu32_Q31(Int32 L_sub, const Int32 a, const Int32 b) |
| { |
| return (L_sub - _MulHigh(b, a)); |
| } |
| |
| |
| __inline Int32 fxp_mul32_Q30(const Int32 a, const Int32 b) |
| { |
| return (Int32)(((int64)(a) * b) >> 30); |
| } |
| |
| __inline Int32 fxp_mac32_Q30(const Int32 a, const Int32 b, Int32 L_add) |
| { |
| return (L_add + (Int32)(((int64)(a) * b) >> 30)); |
| } |
| |
| |
| __inline Int32 fxp_mul32_Q29(const Int32 a, const Int32 b) |
| { |
| return (Int32)(((int64)(a) * b) >> 29); |
| } |
| |
| __inline Int32 fxp_mac32_Q29(const Int32 a, const Int32 b, Int32 L_add) |
| { |
| return (L_add + (Int32)(((int64)(a) * b) >> 29)); |
| } |
| |
| __inline Int32 fxp_msu32_Q29(const Int32 a, const Int32 b, Int32 L_sub) |
| { |
| return (L_sub - (Int32)(((int64)(a) * b) >> 29)); |
| } |
| |
| |
| __inline Int32 fxp_mul32_Q28(const Int32 a, const Int32 b) |
| { |
| return (Int32)(((int64)(a) * b) >> 28); |
| } |
| |
| __inline Int32 fxp_mul32_Q27(const Int32 a, const Int32 b) |
| { |
| return (Int32)(((int64)(a) * b) >> 27); |
| } |
| |
| __inline Int32 fxp_mul32_Q26(const Int32 a, const Int32 b) |
| { |
| return (Int32)(((int64)(a) * b) >> 26); |
| } |
| |
| __inline Int32 fxp_mul32_Q20(const Int32 a, const Int32 b) |
| { |
| return (Int32)(((int64)(a) * b) >> 20); |
| } |
| |
| __inline Int32 fxp_mul32_Q15(const Int32 a, const Int32 b) |
| { |
| return (Int32)(((int64)(a) * b) >> 15); |
| } |
| |
| __inline Int32 fxp_mul32_Q14(const Int32 a, const Int32 b) |
| { |
| return (Int32)(((int64)(a) * b) >> 14); |
| } |
| |
| |
| |
| #endif |
| |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| |
| #endif /* FXP_MUL32 */ |