| /* |
| * Copyright (c) 2014 The WebRTC project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| #include "webrtc/modules/audio_coding/codecs/isac/fix/source/entropy_coding.h" |
| #include "webrtc/modules/audio_coding/codecs/isac/fix/source/settings.h" |
| |
| // MIPS optimization of the function WebRtcIsacfix_MatrixProduct1. |
| // Bit-exact with the function WebRtcIsacfix_MatrixProduct1C from |
| // entropy_coding.c file. |
| void WebRtcIsacfix_MatrixProduct1MIPS(const int16_t matrix0[], |
| const int32_t matrix1[], |
| int32_t matrix_product[], |
| const int matrix1_index_factor1, |
| const int matrix0_index_factor1, |
| const int matrix1_index_init_case, |
| const int matrix1_index_step, |
| const int matrix0_index_step, |
| const int inner_loop_count, |
| const int mid_loop_count, |
| const int shift) { |
| if (matrix1_index_init_case != 0) { |
| int j = SUBFRAMES, k = 0, n = 0; |
| int32_t r0, r1, r2, sum32; |
| int32_t* product_start = matrix_product; |
| int32_t* product_ptr; |
| const uint32_t product_step = 4 * mid_loop_count; |
| const uint32_t matrix0_step = 2 * matrix0_index_step; |
| const uint32_t matrix1_step = 4 * matrix1_index_step; |
| const uint32_t matrix0_step2 = 2 * matrix0_index_factor1; |
| const uint32_t matrix1_step2 = 4 * matrix1_index_factor1; |
| const int16_t* matrix0_start = matrix0; |
| const int32_t* matrix1_start = matrix1; |
| int16_t* matrix0_ptr; |
| int32_t* matrix1_ptr; |
| |
| __asm __volatile ( |
| ".set push \n\t" |
| ".set noreorder \n\t" |
| "1: \n\t" |
| "addu %[product_ptr], %[product_start], $0 \n\t" |
| "addu %[k], %[product_step], $0 \n\t" |
| "addiu %[j], %[j], -1 \n\t" |
| "addu %[matrix1_start], %[matrix1], $0 \n\t" |
| "2: \n\t" |
| "addu %[matrix1_ptr], %[matrix1_start], $0 \n\t" |
| "addu %[matrix0_ptr], %[matrix0_start], $0 \n\t" |
| "addu %[n], %[inner_loop_count], $0 \n\t" |
| "mul %[sum32], $0, $0 \n\t" |
| "3: \n\t" |
| "lw %[r0], 0(%[matrix1_ptr]) \n\t" |
| "lh %[r1], 0(%[matrix0_ptr]) \n\t" |
| "addu %[matrix1_ptr], %[matrix1_ptr], %[matrix1_step] \n\t" |
| "sllv %[r0], %[r0], %[shift] \n\t" |
| "andi %[r2], %[r0], 0xffff \n\t" |
| "sra %[r2], %[r2], 1 \n\t" |
| "mul %[r2], %[r2], %[r1] \n\t" |
| "sra %[r0], %[r0], 16 \n\t" |
| "mul %[r0], %[r0], %[r1] \n\t" |
| "addu %[matrix0_ptr], %[matrix0_ptr], %[matrix0_step] \n\t" |
| "addiu %[n], %[n], -1 \n\t" |
| #if defined(MIPS_DSP_R1_LE) |
| "shra_r.w %[r2], %[r2], 15 \n\t" |
| #else |
| "addiu %[r2], %[r2], 0x4000 \n\t" |
| "sra %[r2], %[r2], 15 \n\t" |
| #endif |
| "addu %[sum32], %[sum32], %[r2] \n\t" |
| "bgtz %[n], 3b \n\t" |
| " addu %[sum32], %[sum32], %[r0] \n\t" |
| "addiu %[k], %[k], -4 \n\t" |
| "addu %[matrix1_start], %[matrix1_start], %[matrix1_step2] \n\t" |
| "sw %[sum32], 0(%[product_ptr]) \n\t" |
| "bgtz %[k], 2b \n\t" |
| " addiu %[product_ptr], %[product_ptr], 4 \n\t" |
| "addu %[matrix0_start], %[matrix0_start], %[matrix0_step2] \n\t" |
| "bgtz %[j], 1b \n\t" |
| " addu %[product_start], %[product_start], %[product_step] \n\t" |
| ".set pop \n\t" |
| : [product_ptr] "=&r" (product_ptr), [product_start] "+r" (product_start), |
| [k] "=&r" (k), [j] "+r" (j), [matrix1_start] "=&r"(matrix1_start), |
| [matrix1_ptr] "=&r" (matrix1_ptr), [matrix0_ptr] "=&r" (matrix0_ptr), |
| [matrix0_start] "+r" (matrix0_start), [n] "=&r" (n), [r0] "=&r" (r0), |
| [sum32] "=&r" (sum32), [r1] "=&r" (r1),[r2] "=&r" (r2) |
| : [product_step] "r" (product_step), [matrix1] "r" (matrix1), |
| [inner_loop_count] "r" (inner_loop_count), |
| [matrix1_step] "r" (matrix1_step), [shift] "r" (shift), |
| [matrix0_step] "r" (matrix0_step), [matrix1_step2] "r" (matrix1_step2), |
| [matrix0_step2] "r" (matrix0_step2) |
| : "hi", "lo", "memory" |
| ); |
| } else { |
| int j = SUBFRAMES, k = 0, n = 0; |
| int32_t r0, r1, r2, sum32; |
| int32_t* product_start = matrix_product; |
| int32_t* product_ptr; |
| const uint32_t product_step = 4 * mid_loop_count; |
| const uint32_t matrix0_step = 2 * matrix0_index_step; |
| const uint32_t matrix1_step = 4 * matrix1_index_step; |
| const uint32_t matrix0_step2 = 2 * matrix0_index_factor1; |
| const uint32_t matrix1_step2 = 4 * matrix1_index_factor1; |
| const int16_t* matrix0_start = matrix0; |
| const int32_t* matrix1_start = matrix1; |
| int16_t* matrix0_ptr; |
| int32_t* matrix1_ptr; |
| |
| __asm __volatile ( |
| ".set push \n\t" |
| ".set noreorder \n\t" |
| "1: \n\t" |
| "addu %[product_ptr], %[product_start], $0 \n\t" |
| "addu %[k], %[product_step], $0 \n\t" |
| "addiu %[j], %[j], -1 \n\t" |
| "addu %[matrix0_start], %[matrix0], $0 \n\t" |
| "2: \n\t" |
| "addu %[matrix1_ptr], %[matrix1_start], $0 \n\t" |
| "addu %[matrix0_ptr], %[matrix0_start], $0 \n\t" |
| "addu %[n], %[inner_loop_count], $0 \n\t" |
| "mul %[sum32], $0, $0 \n\t" |
| "3: \n\t" |
| "lw %[r0], 0(%[matrix1_ptr]) \n\t" |
| "lh %[r1], 0(%[matrix0_ptr]) \n\t" |
| "addu %[matrix1_ptr], %[matrix1_ptr], %[matrix1_step] \n\t" |
| "sllv %[r0], %[r0], %[shift] \n\t" |
| "andi %[r2], %[r0], 0xffff \n\t" |
| "sra %[r2], %[r2], 1 \n\t" |
| "mul %[r2], %[r2], %[r1] \n\t" |
| "sra %[r0], %[r0], 16 \n\t" |
| "mul %[r0], %[r0], %[r1] \n\t" |
| "addu %[matrix0_ptr], %[matrix0_ptr], %[matrix0_step] \n\t" |
| "addiu %[n], %[n], -1 \n\t" |
| #if defined(MIPS_DSP_R1_LE) |
| "shra_r.w %[r2], %[r2], 15 \n\t" |
| #else |
| "addiu %[r2], %[r2], 0x4000 \n\t" |
| "sra %[r2], %[r2], 15 \n\t" |
| #endif |
| "addu %[sum32], %[sum32], %[r2] \n\t" |
| "bgtz %[n], 3b \n\t" |
| " addu %[sum32], %[sum32], %[r0] \n\t" |
| "addiu %[k], %[k], -4 \n\t" |
| "addu %[matrix0_start], %[matrix0_start], %[matrix0_step2] \n\t" |
| "sw %[sum32], 0(%[product_ptr]) \n\t" |
| "bgtz %[k], 2b \n\t" |
| " addiu %[product_ptr], %[product_ptr], 4 \n\t" |
| "addu %[matrix1_start], %[matrix1_start], %[matrix1_step2] \n\t" |
| "bgtz %[j], 1b \n\t" |
| " addu %[product_start], %[product_start], %[product_step] \n\t" |
| ".set pop \n\t" |
| : [product_ptr] "=&r" (product_ptr), [product_start] "+r" (product_start), |
| [k] "=&r" (k), [j] "+r" (j), [matrix1_start] "+r"(matrix1_start), |
| [matrix1_ptr] "=&r" (matrix1_ptr), [matrix0_ptr] "=&r" (matrix0_ptr), |
| [matrix0_start] "=&r" (matrix0_start), [n] "=&r" (n), [r0] "=&r" (r0), |
| [sum32] "=&r" (sum32), [r1] "=&r" (r1),[r2] "=&r" (r2) |
| : [product_step] "r" (product_step), [matrix0] "r" (matrix0), |
| [inner_loop_count] "r" (inner_loop_count), |
| [matrix1_step] "r" (matrix1_step), [shift] "r" (shift), |
| [matrix0_step] "r" (matrix0_step), [matrix1_step2] "r" (matrix1_step2), |
| [matrix0_step2] "r" (matrix0_step2) |
| : "hi", "lo", "memory" |
| ); |
| } |
| } |
| |
| // MIPS optimization of the function WebRtcIsacfix_MatrixProduct2. |
| // Bit-exact with the function WebRtcIsacfix_MatrixProduct2C from |
| // entropy_coding.c file. |
| void WebRtcIsacfix_MatrixProduct2MIPS(const int16_t matrix0[], |
| const int32_t matrix1[], |
| int32_t matrix_product[], |
| const int matrix0_index_factor, |
| const int matrix0_index_step) { |
| int j = 0, n = 0; |
| int loop_count = SUBFRAMES; |
| const int16_t* matrix0_ptr; |
| const int32_t* matrix1_ptr; |
| const int16_t* matrix0_start = matrix0; |
| const int matrix0_step = 2 * matrix0_index_step; |
| const int matrix0_step2 = 2 * matrix0_index_factor; |
| int32_t r0, r1, r2, r3, r4, sum32, sum32_2; |
| |
| __asm __volatile ( |
| ".set push \n\t" |
| ".set noreorder \n\t" |
| "addu %[j], %[loop_count], $0 \n\t" |
| "addu %[matrix0_start], %[matrix0], $0 \n\t" |
| "1: \n\t" |
| "addu %[matrix1_ptr], %[matrix1], $0 \n\t" |
| "addu %[matrix0_ptr], %[matrix0_start], $0 \n\t" |
| "addu %[n], %[loop_count], $0 \n\t" |
| "mul %[sum32], $0, $0 \n\t" |
| "mul %[sum32_2], $0, $0 \n\t" |
| "2: \n\t" |
| "lw %[r0], 0(%[matrix1_ptr]) \n\t" |
| "lw %[r1], 4(%[matrix1_ptr]) \n\t" |
| "lh %[r2], 0(%[matrix0_ptr]) \n\t" |
| "andi %[r3], %[r0], 0xffff \n\t" |
| "sra %[r3], %[r3], 1 \n\t" |
| "mul %[r3], %[r3], %[r2] \n\t" |
| "andi %[r4], %[r1], 0xffff \n\t" |
| "sra %[r4], %[r4], 1 \n\t" |
| "mul %[r4], %[r4], %[r2] \n\t" |
| "sra %[r0], %[r0], 16 \n\t" |
| "mul %[r0], %[r0], %[r2] \n\t" |
| "sra %[r1], %[r1], 16 \n\t" |
| "mul %[r1], %[r1], %[r2] \n\t" |
| #if defined(MIPS_DSP_R1_LE) |
| "shra_r.w %[r3], %[r3], 15 \n\t" |
| "shra_r.w %[r4], %[r4], 15 \n\t" |
| #else |
| "addiu %[r3], %[r3], 0x4000 \n\t" |
| "sra %[r3], %[r3], 15 \n\t" |
| "addiu %[r4], %[r4], 0x4000 \n\t" |
| "sra %[r4], %[r4], 15 \n\t" |
| #endif |
| "addiu %[matrix1_ptr], %[matrix1_ptr], 8 \n\t" |
| "addu %[matrix0_ptr], %[matrix0_ptr], %[matrix0_step] \n\t" |
| "addiu %[n], %[n], -1 \n\t" |
| "addu %[sum32], %[sum32], %[r3] \n\t" |
| "addu %[sum32_2], %[sum32_2], %[r4] \n\t" |
| "addu %[sum32], %[sum32], %[r0] \n\t" |
| "bgtz %[n], 2b \n\t" |
| " addu %[sum32_2], %[sum32_2], %[r1] \n\t" |
| "sra %[sum32], %[sum32], 3 \n\t" |
| "sra %[sum32_2], %[sum32_2], 3 \n\t" |
| "addiu %[j], %[j], -1 \n\t" |
| "addu %[matrix0_start], %[matrix0_start], %[matrix0_step2] \n\t" |
| "sw %[sum32], 0(%[matrix_product]) \n\t" |
| "sw %[sum32_2], 4(%[matrix_product]) \n\t" |
| "bgtz %[j], 1b \n\t" |
| " addiu %[matrix_product], %[matrix_product], 8 \n\t" |
| ".set pop \n\t" |
| : [j] "=&r" (j), [matrix0_start] "=&r" (matrix0_start), |
| [matrix1_ptr] "=&r" (matrix1_ptr), [matrix0_ptr] "=&r" (matrix0_ptr), |
| [n] "=&r" (n), [sum32] "=&r" (sum32), [sum32_2] "=&r" (sum32_2), |
| [r0] "=&r" (r0), [r1] "=&r" (r1), [r2] "=&r" (r2), [r3] "=&r" (r3), |
| [r4] "=&r" (r4), [matrix_product] "+r" (matrix_product) |
| : [loop_count] "r" (loop_count), [matrix0] "r" (matrix0), |
| [matrix1] "r" (matrix1), [matrix0_step] "r" (matrix0_step), |
| [matrix0_step2] "r" (matrix0_step2) |
| : "hi", "lo", "memory" |
| ); |
| } |
