1 /* 2 * Copyright (C) 2007-2008 ARM Limited 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 * 16 */ 17 /* 18 * 19 */ 20 21 .eabi_attribute 24, 1 22 .eabi_attribute 25, 1 23 24 .arm 25 .fpu neon 26 .text 27 28 .global armVCM4P10_InterpolateLuma_HorAlign9x_unsafe 29 armVCM4P10_InterpolateLuma_HorAlign9x_unsafe: 30 MOV r12,r8 31 AND r7,r0,#3 32 BIC r0,r0,#3 33 ADD pc,pc,r7,LSL #2 34 NOP 35 B Copy0toAligned 36 B Copy1toAligned 37 B Copy2toAligned 38 B Copy3toAligned 39 Copy0toAligned: 40 LDM r0,{r7,r10,r11} 41 SUBS r9,r9,#1 42 ADD r0,r0,r1 43 STM r8!,{r7,r10,r11} 44 BGT Copy0toAligned 45 B CopyEnd 46 Copy1toAligned: 47 LDM r0,{r7,r10,r11} 48 SUBS r9,r9,#1 49 ADD r0,r0,r1 50 LSR r7,r7,#8 51 ORR r7,r7,r10,LSL #24 52 LSR r10,r10,#8 53 ORR r10,r10,r11,LSL #24 54 LSR r11,r11,#8 55 STM r8!,{r7,r10,r11} 56 BGT Copy1toAligned 57 B CopyEnd 58 Copy2toAligned: 59 LDM r0,{r7,r10,r11} 60 SUBS r9,r9,#1 61 ADD r0,r0,r1 62 LSR r7,r7,#16 63 ORR r7,r7,r10,LSL #16 64 LSR r10,r10,#16 65 ORR r10,r10,r11,LSL #16 66 LSR r11,r11,#16 67 STM r8!,{r7,r10,r11} 68 BGT Copy2toAligned 69 B CopyEnd 70 Copy3toAligned: 71 LDM r0,{r7,r10,r11} 72 SUBS r9,r9,#1 73 ADD r0,r0,r1 74 LSR r7,r7,#24 75 ORR r7,r7,r10,LSL #8 76 LSR r10,r10,#24 77 ORR r10,r10,r11,LSL #8 78 LSR r11,r11,#24 79 STM r8!,{r7,r10,r11} 80 BGT Copy3toAligned 81 CopyEnd: 82 MOV r0,r12 83 MOV r1,#0xc 84 BX lr 85 86 .global armVCM4P10_InterpolateLuma_VerAlign4x_unsafe 87 armVCM4P10_InterpolateLuma_VerAlign4x_unsafe: 88 AND r7,r0,#3 89 BIC r0,r0,#3 90 ADD pc,pc,r7,LSL #2 91 NOP 92 B Copy0toVAligned 93 B Copy1toVAligned 94 B Copy2toVAligned 95 B Copy3toVAligned 96 Copy0toVAligned: 97 LDR r7,[r0],r1 98 SUBS r9,r9,#1 99 STR r7,[r8],#4 100 BGT Copy0toVAligned 101 B CopyVEnd 102 Copy1toVAligned: 103 LDR r10,[r0,#4] 104 LDR r7,[r0],r1 105 SUBS r9,r9,#1 106 LSL r10,r10,#24 107 ORR r7,r10,r7,LSR #8 108 STR r7,[r8],#4 109 BGT Copy1toVAligned 110 B CopyVEnd 111 Copy2toVAligned: 112 LDR r10,[r0,#4] 113 LDR r7,[r0],r1 114 SUBS r9,r9,#1 115 LSL r10,r10,#16 116 ORR r7,r10,r7,LSR #16 117 STR r7,[r8],#4 118 BGT Copy2toVAligned 119 B CopyVEnd 120 Copy3toVAligned: 121 LDR r10,[r0,#4] 122 LDR r7,[r0],r1 123 SUBS r9,r9,#1 124 LSL r10,r10,#8 125 ORR r7,r10,r7,LSR #24 126 STR r7,[r8],#4 127 BGT Copy3toVAligned 128 CopyVEnd: 129 SUB r0,r8,#0x1c 130 MOV r1,#4 131 BX lr 132 133 .end 134 135
