| /* ------------------------------------------------------------------ |
| * 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_c_equivalent.h |
| |
| |
| ------------------------------------------------------------------------------ |
| REVISION HISTORY |
| |
| Who: Date: |
| Description: |
| ------------------------------------------------------------------------------ |
| INCLUDE DESCRIPTION |
| |
| ------------------------------------------------------------------------------ |
| */ |
| |
| #ifndef FXP_MUL32_ARM_V4 |
| #define FXP_MUL32_ARM_V4 |
| |
| |
| #ifdef __cplusplus |
| extern "C" |
| { |
| #endif |
| |
| |
| #include "pv_audio_type_defs.h" |
| |
| |
| #if defined(PV_ARM_V4) |
| |
| #define preload_cache( a) |
| |
| |
| __inline Int32 shft_lft_1(Int32 L_var1) |
| { |
| Int32 x; |
| Int32 z = 1; /* rvct compiler problem */ |
| __asm |
| { |
| mov x, L_var1, asl 1 |
| teq L_var1, x, asr z |
| eorne x, INT32_MAX, L_var1, asr #31 |
| } |
| |
| return(x); |
| } |
| |
| |
| __inline Int32 fxp_mul_16_by_16bb(Int32 L_var1, Int32 L_var2) |
| { |
| __asm |
| { |
| |
| mov L_var2, L_var2, asl #16 |
| mov L_var2, L_var2, asr #16 |
| mov L_var1, L_var1, asl #16 |
| mov L_var1, L_var1, asr #16 |
| |
| |
| mul L_var1, L_var2, L_var1 |
| } |
| |
| return L_var1; |
| |
| } |
| |
| |
| #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) |
| { |
| __asm |
| { |
| mov L_var2, L_var2, asl #16 |
| mov L_var2, L_var2, asr #16 |
| mov L_var1, L_var1, asr #16 |
| |
| mul L_var1, L_var2, L_var1 |
| } |
| return L_var1; |
| } |
| |
| __inline Int32 fxp_mul_16_by_16bt(Int32 L_var1, Int32 L_var2) |
| { |
| __asm |
| { |
| mov L_var2, L_var2, asr #16 |
| mov L_var1, L_var1, asl #16 |
| mov L_var1, L_var1, asr #16 |
| |
| mul L_var1, L_var2, L_var1 |
| } |
| |
| return L_var1; |
| |
| } |
| |
| |
| __inline Int32 fxp_mul_16_by_16tt(Int32 L_var1, Int32 L_var2) |
| { |
| __asm |
| { |
| mov L_var2, L_var2, asr #16 |
| mov L_var1, L_var1, asr #16 |
| |
| mul L_var1, L_var2, L_var1 |
| } |
| |
| return L_var1; |
| |
| } |
| |
| __inline Int32 fxp_mac_16_by_16(const Int32 L_var1, const Int32 L_var2, Int32 L_add) |
| { |
| __asm |
| { |
| mla L_add, L_var1, L_var2, L_add |
| } |
| return (L_add); |
| } |
| |
| |
| __inline Int32 fxp_mac_16_by_16_bb(const Int32 L_var1, Int32 L_var2, Int32 L_add) |
| { |
| __asm |
| { |
| mov L_var2, L_var2, asl #16 |
| mov L_var2, L_var2, asr #16 |
| mla L_add, L_var1, L_var2, L_add |
| } |
| return L_add; |
| } |
| |
| __inline Int32 fxp_mac_16_by_16_bt(Int16 L_var1, Int32 L_var2, Int32 L_add) |
| { |
| __asm |
| { |
| mov L_var2, L_var2, asr #16 |
| mla L_add, L_var1, L_var2, L_add |
| } |
| return L_add; |
| } |
| |
| |
| __inline Int32 cmplx_mul32_by_16(Int32 x, const Int32 y, Int32 exp_jw) |
| { |
| |
| Int32 result64_hi; |
| Int32 rTmp0; |
| Int32 iTmp0; |
| __asm |
| { |
| mov rTmp0, exp_jw, asr #16 |
| mov rTmp0, rTmp0, asl #16 |
| mov iTmp0, exp_jw, asl #16 |
| smull rTmp0, result64_hi, x, rTmp0 |
| smlal iTmp0, result64_hi, y, iTmp0 |
| } |
| |
| return (result64_hi); |
| } |
| |
| |
| __inline Int32 fxp_mul32_by_16(Int32 L_var1, Int32 L_var2) |
| { |
| Int32 result64_hi; |
| __asm |
| { |
| mov L_var2, L_var2, asl #16 |
| smull L_var1, result64_hi, L_var2, L_var1 |
| } |
| return (result64_hi); |
| } |
| |
| |
| |
| #define fxp_mul32_by_16b( a, b) fxp_mul32_by_16( a, b) |
| |
| |
| |
| __inline Int32 fxp_mul32_by_16t(Int32 L_var1, Int32 L_var2) |
| { |
| |
| Int32 result64_hi; |
| __asm |
| { |
| mov L_var2, L_var2, asr #16 |
| mov L_var2, L_var2, asl #16 |
| smull L_var1, result64_hi, L_var2, L_var1 |
| } |
| return (result64_hi); |
| |
| } |
| |
| __inline Int32 fxp_mac32_by_16(Int32 L_var1, Int32 L_var2, Int32 L_add) |
| { |
| |
| __asm |
| { |
| mov L_var2, L_var2, asl #16 |
| smlal L_var1, L_add, L_var2, L_var1 |
| } |
| |
| return (L_add); |
| } |
| |
| |
| __inline int64 fxp_mac64_Q31(int64 sum, const Int32 L_var1, const Int32 L_var2) |
| { |
| uint32 b = (UInt32)(sum); |
| int32 c = Int32(sum >> 32); |
| __asm |
| { |
| smlal b, c, L_var1, L_var2 |
| } |
| return (((int64(c)) << 32) | b); |
| } |
| |
| |
| __inline Int32 fxp_mul32_Q31(Int32 L_var1, const Int32 L_var2) |
| { |
| Int32 result64_hi; |
| __asm |
| { |
| smull L_var1, result64_hi, L_var2, L_var1 |
| } |
| return (result64_hi); |
| } |
| |
| |
| __inline Int32 fxp_mac32_Q31(Int32 L_add, Int32 L_var1, const Int32 L_var2) |
| { |
| __asm |
| { |
| smlal L_var1, L_add, L_var2, L_var1 |
| } |
| return L_add; |
| } |
| |
| __inline Int32 fxp_msu32_Q31(Int32 L_sub, Int32 L_var1, const Int32 L_var2) |
| { |
| __asm |
| { |
| rsb L_var1, L_var1, #0 |
| smlal L_var1, L_sub, L_var2, L_var1 |
| } |
| return L_sub; |
| } |
| |
| |
| __inline Int32 fxp_mul32_Q30(const Int32 L_var1, const Int32 L_var2) |
| { |
| Int32 result64_hi; |
| Int32 result64_lo; |
| __asm |
| { |
| smull result64_lo, result64_hi, L_var2, L_var1 |
| mov result64_hi, result64_hi, asl #2 |
| orr result64_hi, result64_hi, result64_lo, lsr #30 |
| } |
| return (result64_hi); |
| } |
| |
| |
| __inline Int32 fxp_mac32_Q30(const Int32 L_var1, const Int32 L_var2, Int32 L_add) |
| { |
| Int32 result64_hi; |
| Int32 result64_lo; |
| __asm |
| { |
| smull result64_lo, result64_hi, L_var2, L_var1 |
| add L_add, L_add, result64_hi, asl #2 |
| add L_add, L_add, result64_lo, lsr #30 |
| } |
| return (L_add); |
| } |
| |
| |
| __inline Int32 fxp_mul32_Q29(const Int32 L_var1, const Int32 L_var2) |
| { |
| Int32 result64_hi; |
| Int32 result64_lo; |
| __asm |
| { |
| smull result64_lo, result64_hi, L_var2, L_var1 |
| mov result64_hi, result64_hi, asl #3 |
| orr result64_hi, result64_hi, result64_lo, lsr #29 |
| } |
| return (result64_hi); |
| } |
| |
| __inline Int32 fxp_mac32_Q29(const Int32 L_var1, const Int32 L_var2, Int32 L_add) |
| { |
| Int32 result64_hi; |
| Int32 result64_lo; |
| __asm |
| { |
| smull result64_lo, result64_hi, L_var2, L_var1 |
| add L_add, L_add, result64_hi, asl #3 |
| add L_add, L_add, result64_lo, lsr #29 |
| } |
| return (L_add); |
| } |
| |
| __inline Int32 fxp_msu32_Q29(const Int32 L_var1, const Int32 L_var2, Int32 L_sub) |
| { |
| Int32 result64_hi; |
| Int32 result64_lo; |
| __asm |
| { |
| smull result64_lo, result64_hi, L_var2, L_var1 |
| sub L_sub, L_sub, result64_hi, asl #3 |
| sub L_sub, L_sub, result64_lo, lsr #29 |
| } |
| return (L_sub); |
| } |
| |
| __inline Int32 fxp_mul32_Q28(const Int32 L_var1, const Int32 L_var2) |
| { |
| Int32 result64_hi; |
| Int32 result64_lo; |
| __asm |
| { |
| smull result64_lo, result64_hi, L_var2, L_var1 |
| mov result64_hi, result64_hi, asl #4 |
| orr result64_hi, result64_hi, result64_lo, lsr #28 |
| } |
| return (result64_hi); |
| } |
| |
| __inline Int32 fxp_mul32_Q27(const Int32 L_var1, const Int32 L_var2) |
| { |
| Int32 result64_hi; |
| Int32 result64_lo; |
| __asm |
| { |
| smull result64_lo, result64_hi, L_var2, L_var1 |
| mov result64_hi, result64_hi, asl #5 |
| orr result64_hi, result64_hi, result64_lo, lsr #27 |
| } |
| return (result64_hi); |
| } |
| |
| __inline Int32 fxp_mul32_Q26(const Int32 L_var1, const Int32 L_var2) |
| { |
| Int32 result64_hi; |
| Int32 result64_lo; |
| __asm |
| { |
| smull result64_lo, result64_hi, L_var2, L_var1 |
| mov result64_hi, result64_hi, asl #6 |
| orr result64_hi, result64_hi, result64_lo, lsr #26 |
| } |
| return (result64_hi); |
| } |
| |
| __inline Int32 fxp_mul32_Q20(const Int32 L_var1, const Int32 L_var2) |
| { |
| Int32 result64_hi; |
| Int32 result64_lo; |
| __asm |
| { |
| smull result64_lo, result64_hi, L_var2, L_var1 |
| mov result64_hi, result64_hi, asl #12 |
| orr result64_hi, result64_hi, result64_lo, lsr #20 |
| } |
| return (result64_hi); |
| } |
| |
| __inline Int32 fxp_mul32_Q15(const Int32 L_var1, const Int32 L_var2) |
| { |
| Int32 result64_hi; |
| Int32 result64_lo; |
| __asm |
| { |
| smull result64_lo, result64_hi, L_var2, L_var1 |
| mov result64_hi, result64_hi, asl #17 |
| orr result64_hi, result64_hi, result64_lo, lsr #15 |
| } |
| return (result64_hi); |
| } |
| |
| |
| |
| |
| __inline Int32 fxp_mul32_Q14(const Int32 L_var1, const Int32 L_var2) |
| { |
| Int32 result64_hi; |
| Int32 result64_lo; |
| __asm |
| { |
| smull result64_lo, result64_hi, L_var2, L_var1 |
| mov result64_hi, result64_hi, asl #18 |
| orr result64_hi, result64_hi, result64_lo, lsr #14 |
| } |
| return (result64_hi); |
| } |
| |
| |
| |
| #endif |
| |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| |
| #endif /* FXP_MUL32 */ |
| |
