| /* |
| * Copyright 2011 The LibYuv 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 "libyuv/row.h" |
| #include "libyuv/rotate_row.h" |
| |
| #include "libyuv/basic_types.h" |
| |
| #ifdef __cplusplus |
| namespace libyuv { |
| extern "C" { |
| #endif |
| |
| #if !defined(LIBYUV_DISABLE_MIPS) && \ |
| defined(__mips_dsp) && (__mips_dsp_rev >= 2) && \ |
| (_MIPS_SIM == _MIPS_SIM_ABI32) |
| |
| void TransposeWx8_MIPS_DSPR2(const uint8* src, int src_stride, |
| uint8* dst, int dst_stride, int width) { |
| __asm__ __volatile__ ( |
| ".set push \n" |
| ".set noreorder \n" |
| "sll $t2, %[src_stride], 0x1 \n" // src_stride x 2 |
| "sll $t4, %[src_stride], 0x2 \n" // src_stride x 4 |
| "sll $t9, %[src_stride], 0x3 \n" // src_stride x 8 |
| "addu $t3, $t2, %[src_stride] \n" |
| "addu $t5, $t4, %[src_stride] \n" |
| "addu $t6, $t2, $t4 \n" |
| "andi $t0, %[dst], 0x3 \n" |
| "andi $t1, %[dst_stride], 0x3 \n" |
| "or $t0, $t0, $t1 \n" |
| "bnez $t0, 11f \n" |
| " subu $t7, $t9, %[src_stride] \n" |
| //dst + dst_stride word aligned |
| "1: \n" |
| "lbu $t0, 0(%[src]) \n" |
| "lbux $t1, %[src_stride](%[src]) \n" |
| "lbux $t8, $t2(%[src]) \n" |
| "lbux $t9, $t3(%[src]) \n" |
| "sll $t1, $t1, 16 \n" |
| "sll $t9, $t9, 16 \n" |
| "or $t0, $t0, $t1 \n" |
| "or $t8, $t8, $t9 \n" |
| "precr.qb.ph $s0, $t8, $t0 \n" |
| "lbux $t0, $t4(%[src]) \n" |
| "lbux $t1, $t5(%[src]) \n" |
| "lbux $t8, $t6(%[src]) \n" |
| "lbux $t9, $t7(%[src]) \n" |
| "sll $t1, $t1, 16 \n" |
| "sll $t9, $t9, 16 \n" |
| "or $t0, $t0, $t1 \n" |
| "or $t8, $t8, $t9 \n" |
| "precr.qb.ph $s1, $t8, $t0 \n" |
| "sw $s0, 0(%[dst]) \n" |
| "addiu %[width], -1 \n" |
| "addiu %[src], 1 \n" |
| "sw $s1, 4(%[dst]) \n" |
| "bnez %[width], 1b \n" |
| " addu %[dst], %[dst], %[dst_stride] \n" |
| "b 2f \n" |
| //dst + dst_stride unaligned |
| "11: \n" |
| "lbu $t0, 0(%[src]) \n" |
| "lbux $t1, %[src_stride](%[src]) \n" |
| "lbux $t8, $t2(%[src]) \n" |
| "lbux $t9, $t3(%[src]) \n" |
| "sll $t1, $t1, 16 \n" |
| "sll $t9, $t9, 16 \n" |
| "or $t0, $t0, $t1 \n" |
| "or $t8, $t8, $t9 \n" |
| "precr.qb.ph $s0, $t8, $t0 \n" |
| "lbux $t0, $t4(%[src]) \n" |
| "lbux $t1, $t5(%[src]) \n" |
| "lbux $t8, $t6(%[src]) \n" |
| "lbux $t9, $t7(%[src]) \n" |
| "sll $t1, $t1, 16 \n" |
| "sll $t9, $t9, 16 \n" |
| "or $t0, $t0, $t1 \n" |
| "or $t8, $t8, $t9 \n" |
| "precr.qb.ph $s1, $t8, $t0 \n" |
| "swr $s0, 0(%[dst]) \n" |
| "swl $s0, 3(%[dst]) \n" |
| "addiu %[width], -1 \n" |
| "addiu %[src], 1 \n" |
| "swr $s1, 4(%[dst]) \n" |
| "swl $s1, 7(%[dst]) \n" |
| "bnez %[width], 11b \n" |
| "addu %[dst], %[dst], %[dst_stride] \n" |
| "2: \n" |
| ".set pop \n" |
| :[src] "+r" (src), |
| [dst] "+r" (dst), |
| [width] "+r" (width) |
| :[src_stride] "r" (src_stride), |
| [dst_stride] "r" (dst_stride) |
| : "t0", "t1", "t2", "t3", "t4", "t5", |
| "t6", "t7", "t8", "t9", |
| "s0", "s1" |
| ); |
| } |
| |
| void TransposeWx8_Fast_MIPS_DSPR2(const uint8* src, int src_stride, |
| uint8* dst, int dst_stride, int width) { |
| __asm__ __volatile__ ( |
| ".set noat \n" |
| ".set push \n" |
| ".set noreorder \n" |
| "beqz %[width], 2f \n" |
| " sll $t2, %[src_stride], 0x1 \n" // src_stride x 2 |
| "sll $t4, %[src_stride], 0x2 \n" // src_stride x 4 |
| "sll $t9, %[src_stride], 0x3 \n" // src_stride x 8 |
| "addu $t3, $t2, %[src_stride] \n" |
| "addu $t5, $t4, %[src_stride] \n" |
| "addu $t6, $t2, $t4 \n" |
| |
| "srl $AT, %[width], 0x2 \n" |
| "andi $t0, %[dst], 0x3 \n" |
| "andi $t1, %[dst_stride], 0x3 \n" |
| "or $t0, $t0, $t1 \n" |
| "bnez $t0, 11f \n" |
| " subu $t7, $t9, %[src_stride] \n" |
| //dst + dst_stride word aligned |
| "1: \n" |
| "lw $t0, 0(%[src]) \n" |
| "lwx $t1, %[src_stride](%[src]) \n" |
| "lwx $t8, $t2(%[src]) \n" |
| "lwx $t9, $t3(%[src]) \n" |
| |
| // t0 = | 30 | 20 | 10 | 00 | |
| // t1 = | 31 | 21 | 11 | 01 | |
| // t8 = | 32 | 22 | 12 | 02 | |
| // t9 = | 33 | 23 | 13 | 03 | |
| |
| "precr.qb.ph $s0, $t1, $t0 \n" |
| "precr.qb.ph $s1, $t9, $t8 \n" |
| "precrq.qb.ph $s2, $t1, $t0 \n" |
| "precrq.qb.ph $s3, $t9, $t8 \n" |
| |
| // s0 = | 21 | 01 | 20 | 00 | |
| // s1 = | 23 | 03 | 22 | 02 | |
| // s2 = | 31 | 11 | 30 | 10 | |
| // s3 = | 33 | 13 | 32 | 12 | |
| |
| "precr.qb.ph $s4, $s1, $s0 \n" |
| "precrq.qb.ph $s5, $s1, $s0 \n" |
| "precr.qb.ph $s6, $s3, $s2 \n" |
| "precrq.qb.ph $s7, $s3, $s2 \n" |
| |
| // s4 = | 03 | 02 | 01 | 00 | |
| // s5 = | 23 | 22 | 21 | 20 | |
| // s6 = | 13 | 12 | 11 | 10 | |
| // s7 = | 33 | 32 | 31 | 30 | |
| |
| "lwx $t0, $t4(%[src]) \n" |
| "lwx $t1, $t5(%[src]) \n" |
| "lwx $t8, $t6(%[src]) \n" |
| "lwx $t9, $t7(%[src]) \n" |
| |
| // t0 = | 34 | 24 | 14 | 04 | |
| // t1 = | 35 | 25 | 15 | 05 | |
| // t8 = | 36 | 26 | 16 | 06 | |
| // t9 = | 37 | 27 | 17 | 07 | |
| |
| "precr.qb.ph $s0, $t1, $t0 \n" |
| "precr.qb.ph $s1, $t9, $t8 \n" |
| "precrq.qb.ph $s2, $t1, $t0 \n" |
| "precrq.qb.ph $s3, $t9, $t8 \n" |
| |
| // s0 = | 25 | 05 | 24 | 04 | |
| // s1 = | 27 | 07 | 26 | 06 | |
| // s2 = | 35 | 15 | 34 | 14 | |
| // s3 = | 37 | 17 | 36 | 16 | |
| |
| "precr.qb.ph $t0, $s1, $s0 \n" |
| "precrq.qb.ph $t1, $s1, $s0 \n" |
| "precr.qb.ph $t8, $s3, $s2 \n" |
| "precrq.qb.ph $t9, $s3, $s2 \n" |
| |
| // t0 = | 07 | 06 | 05 | 04 | |
| // t1 = | 27 | 26 | 25 | 24 | |
| // t8 = | 17 | 16 | 15 | 14 | |
| // t9 = | 37 | 36 | 35 | 34 | |
| |
| "addu $s0, %[dst], %[dst_stride] \n" |
| "addu $s1, $s0, %[dst_stride] \n" |
| "addu $s2, $s1, %[dst_stride] \n" |
| |
| "sw $s4, 0(%[dst]) \n" |
| "sw $t0, 4(%[dst]) \n" |
| "sw $s6, 0($s0) \n" |
| "sw $t8, 4($s0) \n" |
| "sw $s5, 0($s1) \n" |
| "sw $t1, 4($s1) \n" |
| "sw $s7, 0($s2) \n" |
| "sw $t9, 4($s2) \n" |
| |
| "addiu $AT, -1 \n" |
| "addiu %[src], 4 \n" |
| |
| "bnez $AT, 1b \n" |
| " addu %[dst], $s2, %[dst_stride] \n" |
| "b 2f \n" |
| //dst + dst_stride unaligned |
| "11: \n" |
| "lw $t0, 0(%[src]) \n" |
| "lwx $t1, %[src_stride](%[src]) \n" |
| "lwx $t8, $t2(%[src]) \n" |
| "lwx $t9, $t3(%[src]) \n" |
| |
| // t0 = | 30 | 20 | 10 | 00 | |
| // t1 = | 31 | 21 | 11 | 01 | |
| // t8 = | 32 | 22 | 12 | 02 | |
| // t9 = | 33 | 23 | 13 | 03 | |
| |
| "precr.qb.ph $s0, $t1, $t0 \n" |
| "precr.qb.ph $s1, $t9, $t8 \n" |
| "precrq.qb.ph $s2, $t1, $t0 \n" |
| "precrq.qb.ph $s3, $t9, $t8 \n" |
| |
| // s0 = | 21 | 01 | 20 | 00 | |
| // s1 = | 23 | 03 | 22 | 02 | |
| // s2 = | 31 | 11 | 30 | 10 | |
| // s3 = | 33 | 13 | 32 | 12 | |
| |
| "precr.qb.ph $s4, $s1, $s0 \n" |
| "precrq.qb.ph $s5, $s1, $s0 \n" |
| "precr.qb.ph $s6, $s3, $s2 \n" |
| "precrq.qb.ph $s7, $s3, $s2 \n" |
| |
| // s4 = | 03 | 02 | 01 | 00 | |
| // s5 = | 23 | 22 | 21 | 20 | |
| // s6 = | 13 | 12 | 11 | 10 | |
| // s7 = | 33 | 32 | 31 | 30 | |
| |
| "lwx $t0, $t4(%[src]) \n" |
| "lwx $t1, $t5(%[src]) \n" |
| "lwx $t8, $t6(%[src]) \n" |
| "lwx $t9, $t7(%[src]) \n" |
| |
| // t0 = | 34 | 24 | 14 | 04 | |
| // t1 = | 35 | 25 | 15 | 05 | |
| // t8 = | 36 | 26 | 16 | 06 | |
| // t9 = | 37 | 27 | 17 | 07 | |
| |
| "precr.qb.ph $s0, $t1, $t0 \n" |
| "precr.qb.ph $s1, $t9, $t8 \n" |
| "precrq.qb.ph $s2, $t1, $t0 \n" |
| "precrq.qb.ph $s3, $t9, $t8 \n" |
| |
| // s0 = | 25 | 05 | 24 | 04 | |
| // s1 = | 27 | 07 | 26 | 06 | |
| // s2 = | 35 | 15 | 34 | 14 | |
| // s3 = | 37 | 17 | 36 | 16 | |
| |
| "precr.qb.ph $t0, $s1, $s0 \n" |
| "precrq.qb.ph $t1, $s1, $s0 \n" |
| "precr.qb.ph $t8, $s3, $s2 \n" |
| "precrq.qb.ph $t9, $s3, $s2 \n" |
| |
| // t0 = | 07 | 06 | 05 | 04 | |
| // t1 = | 27 | 26 | 25 | 24 | |
| // t8 = | 17 | 16 | 15 | 14 | |
| // t9 = | 37 | 36 | 35 | 34 | |
| |
| "addu $s0, %[dst], %[dst_stride] \n" |
| "addu $s1, $s0, %[dst_stride] \n" |
| "addu $s2, $s1, %[dst_stride] \n" |
| |
| "swr $s4, 0(%[dst]) \n" |
| "swl $s4, 3(%[dst]) \n" |
| "swr $t0, 4(%[dst]) \n" |
| "swl $t0, 7(%[dst]) \n" |
| "swr $s6, 0($s0) \n" |
| "swl $s6, 3($s0) \n" |
| "swr $t8, 4($s0) \n" |
| "swl $t8, 7($s0) \n" |
| "swr $s5, 0($s1) \n" |
| "swl $s5, 3($s1) \n" |
| "swr $t1, 4($s1) \n" |
| "swl $t1, 7($s1) \n" |
| "swr $s7, 0($s2) \n" |
| "swl $s7, 3($s2) \n" |
| "swr $t9, 4($s2) \n" |
| "swl $t9, 7($s2) \n" |
| |
| "addiu $AT, -1 \n" |
| "addiu %[src], 4 \n" |
| |
| "bnez $AT, 11b \n" |
| " addu %[dst], $s2, %[dst_stride] \n" |
| "2: \n" |
| ".set pop \n" |
| ".set at \n" |
| :[src] "+r" (src), |
| [dst] "+r" (dst), |
| [width] "+r" (width) |
| :[src_stride] "r" (src_stride), |
| [dst_stride] "r" (dst_stride) |
| : "t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7", "t8", "t9", |
| "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7" |
| ); |
| } |
| |
| void TransposeUVWx8_MIPS_DSPR2(const uint8* src, int src_stride, |
| uint8* dst_a, int dst_stride_a, |
| uint8* dst_b, int dst_stride_b, |
| int width) { |
| __asm__ __volatile__ ( |
| ".set push \n" |
| ".set noreorder \n" |
| "beqz %[width], 2f \n" |
| " sll $t2, %[src_stride], 0x1 \n" // src_stride x 2 |
| "sll $t4, %[src_stride], 0x2 \n" // src_stride x 4 |
| "sll $t9, %[src_stride], 0x3 \n" // src_stride x 8 |
| "addu $t3, $t2, %[src_stride] \n" |
| "addu $t5, $t4, %[src_stride] \n" |
| "addu $t6, $t2, $t4 \n" |
| "subu $t7, $t9, %[src_stride] \n" |
| "srl $t1, %[width], 1 \n" |
| |
| // check word aligment for dst_a, dst_b, dst_stride_a and dst_stride_b |
| "andi $t0, %[dst_a], 0x3 \n" |
| "andi $t8, %[dst_b], 0x3 \n" |
| "or $t0, $t0, $t8 \n" |
| "andi $t8, %[dst_stride_a], 0x3 \n" |
| "andi $s5, %[dst_stride_b], 0x3 \n" |
| "or $t8, $t8, $s5 \n" |
| "or $t0, $t0, $t8 \n" |
| "bnez $t0, 11f \n" |
| " nop \n" |
| // dst + dst_stride word aligned (both, a & b dst addresses) |
| "1: \n" |
| "lw $t0, 0(%[src]) \n" // |B0|A0|b0|a0| |
| "lwx $t8, %[src_stride](%[src]) \n" // |B1|A1|b1|a1| |
| "addu $s5, %[dst_a], %[dst_stride_a] \n" |
| "lwx $t9, $t2(%[src]) \n" // |B2|A2|b2|a2| |
| "lwx $s0, $t3(%[src]) \n" // |B3|A3|b3|a3| |
| "addu $s6, %[dst_b], %[dst_stride_b] \n" |
| |
| "precrq.ph.w $s1, $t8, $t0 \n" // |B1|A1|B0|A0| |
| "precrq.ph.w $s2, $s0, $t9 \n" // |B3|A3|B2|A2| |
| "precr.qb.ph $s3, $s2, $s1 \n" // |A3|A2|A1|A0| |
| "precrq.qb.ph $s4, $s2, $s1 \n" // |B3|B2|B1|B0| |
| |
| "sll $t0, $t0, 16 \n" |
| "packrl.ph $s1, $t8, $t0 \n" // |b1|a1|b0|a0| |
| "sll $t9, $t9, 16 \n" |
| "packrl.ph $s2, $s0, $t9 \n" // |b3|a3|b2|a2| |
| |
| "sw $s3, 0($s5) \n" |
| "sw $s4, 0($s6) \n" |
| |
| "precr.qb.ph $s3, $s2, $s1 \n" // |a3|a2|a1|a0| |
| "precrq.qb.ph $s4, $s2, $s1 \n" // |b3|b2|b1|b0| |
| |
| "lwx $t0, $t4(%[src]) \n" // |B4|A4|b4|a4| |
| "lwx $t8, $t5(%[src]) \n" // |B5|A5|b5|a5| |
| "lwx $t9, $t6(%[src]) \n" // |B6|A6|b6|a6| |
| "lwx $s0, $t7(%[src]) \n" // |B7|A7|b7|a7| |
| "sw $s3, 0(%[dst_a]) \n" |
| "sw $s4, 0(%[dst_b]) \n" |
| |
| "precrq.ph.w $s1, $t8, $t0 \n" // |B5|A5|B4|A4| |
| "precrq.ph.w $s2, $s0, $t9 \n" // |B6|A6|B7|A7| |
| "precr.qb.ph $s3, $s2, $s1 \n" // |A7|A6|A5|A4| |
| "precrq.qb.ph $s4, $s2, $s1 \n" // |B7|B6|B5|B4| |
| |
| "sll $t0, $t0, 16 \n" |
| "packrl.ph $s1, $t8, $t0 \n" // |b5|a5|b4|a4| |
| "sll $t9, $t9, 16 \n" |
| "packrl.ph $s2, $s0, $t9 \n" // |b7|a7|b6|a6| |
| "sw $s3, 4($s5) \n" |
| "sw $s4, 4($s6) \n" |
| |
| "precr.qb.ph $s3, $s2, $s1 \n" // |a7|a6|a5|a4| |
| "precrq.qb.ph $s4, $s2, $s1 \n" // |b7|b6|b5|b4| |
| |
| "addiu %[src], 4 \n" |
| "addiu $t1, -1 \n" |
| "sll $t0, %[dst_stride_a], 1 \n" |
| "sll $t8, %[dst_stride_b], 1 \n" |
| "sw $s3, 4(%[dst_a]) \n" |
| "sw $s4, 4(%[dst_b]) \n" |
| "addu %[dst_a], %[dst_a], $t0 \n" |
| "bnez $t1, 1b \n" |
| " addu %[dst_b], %[dst_b], $t8 \n" |
| "b 2f \n" |
| " nop \n" |
| |
| // dst_a or dst_b or dst_stride_a or dst_stride_b not word aligned |
| "11: \n" |
| "lw $t0, 0(%[src]) \n" // |B0|A0|b0|a0| |
| "lwx $t8, %[src_stride](%[src]) \n" // |B1|A1|b1|a1| |
| "addu $s5, %[dst_a], %[dst_stride_a] \n" |
| "lwx $t9, $t2(%[src]) \n" // |B2|A2|b2|a2| |
| "lwx $s0, $t3(%[src]) \n" // |B3|A3|b3|a3| |
| "addu $s6, %[dst_b], %[dst_stride_b] \n" |
| |
| "precrq.ph.w $s1, $t8, $t0 \n" // |B1|A1|B0|A0| |
| "precrq.ph.w $s2, $s0, $t9 \n" // |B3|A3|B2|A2| |
| "precr.qb.ph $s3, $s2, $s1 \n" // |A3|A2|A1|A0| |
| "precrq.qb.ph $s4, $s2, $s1 \n" // |B3|B2|B1|B0| |
| |
| "sll $t0, $t0, 16 \n" |
| "packrl.ph $s1, $t8, $t0 \n" // |b1|a1|b0|a0| |
| "sll $t9, $t9, 16 \n" |
| "packrl.ph $s2, $s0, $t9 \n" // |b3|a3|b2|a2| |
| |
| "swr $s3, 0($s5) \n" |
| "swl $s3, 3($s5) \n" |
| "swr $s4, 0($s6) \n" |
| "swl $s4, 3($s6) \n" |
| |
| "precr.qb.ph $s3, $s2, $s1 \n" // |a3|a2|a1|a0| |
| "precrq.qb.ph $s4, $s2, $s1 \n" // |b3|b2|b1|b0| |
| |
| "lwx $t0, $t4(%[src]) \n" // |B4|A4|b4|a4| |
| "lwx $t8, $t5(%[src]) \n" // |B5|A5|b5|a5| |
| "lwx $t9, $t6(%[src]) \n" // |B6|A6|b6|a6| |
| "lwx $s0, $t7(%[src]) \n" // |B7|A7|b7|a7| |
| "swr $s3, 0(%[dst_a]) \n" |
| "swl $s3, 3(%[dst_a]) \n" |
| "swr $s4, 0(%[dst_b]) \n" |
| "swl $s4, 3(%[dst_b]) \n" |
| |
| "precrq.ph.w $s1, $t8, $t0 \n" // |B5|A5|B4|A4| |
| "precrq.ph.w $s2, $s0, $t9 \n" // |B6|A6|B7|A7| |
| "precr.qb.ph $s3, $s2, $s1 \n" // |A7|A6|A5|A4| |
| "precrq.qb.ph $s4, $s2, $s1 \n" // |B7|B6|B5|B4| |
| |
| "sll $t0, $t0, 16 \n" |
| "packrl.ph $s1, $t8, $t0 \n" // |b5|a5|b4|a4| |
| "sll $t9, $t9, 16 \n" |
| "packrl.ph $s2, $s0, $t9 \n" // |b7|a7|b6|a6| |
| |
| "swr $s3, 4($s5) \n" |
| "swl $s3, 7($s5) \n" |
| "swr $s4, 4($s6) \n" |
| "swl $s4, 7($s6) \n" |
| |
| "precr.qb.ph $s3, $s2, $s1 \n" // |a7|a6|a5|a4| |
| "precrq.qb.ph $s4, $s2, $s1 \n" // |b7|b6|b5|b4| |
| |
| "addiu %[src], 4 \n" |
| "addiu $t1, -1 \n" |
| "sll $t0, %[dst_stride_a], 1 \n" |
| "sll $t8, %[dst_stride_b], 1 \n" |
| "swr $s3, 4(%[dst_a]) \n" |
| "swl $s3, 7(%[dst_a]) \n" |
| "swr $s4, 4(%[dst_b]) \n" |
| "swl $s4, 7(%[dst_b]) \n" |
| "addu %[dst_a], %[dst_a], $t0 \n" |
| "bnez $t1, 11b \n" |
| " addu %[dst_b], %[dst_b], $t8 \n" |
| |
| "2: \n" |
| ".set pop \n" |
| : [src] "+r" (src), |
| [dst_a] "+r" (dst_a), |
| [dst_b] "+r" (dst_b), |
| [width] "+r" (width), |
| [src_stride] "+r" (src_stride) |
| : [dst_stride_a] "r" (dst_stride_a), |
| [dst_stride_b] "r" (dst_stride_b) |
| : "t0", "t1", "t2", "t3", "t4", "t5", |
| "t6", "t7", "t8", "t9", |
| "s0", "s1", "s2", "s3", |
| "s4", "s5", "s6" |
| ); |
| } |
| |
| #endif // defined(__mips_dsp) && (__mips_dsp_rev >= 2) |
| |
| #ifdef __cplusplus |
| } // extern "C" |
| } // namespace libyuv |
| #endif |
