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_HorDiagCopy_unsafe 29 armVCM4P10_InterpolateLuma_HorDiagCopy_unsafe: 30 PUSH {r4-r6,lr} 31 MOV lr,#4 32 LDR r6, =0xfe00fe0 33 LDR r12, =0xff00ff 34 LoopStart1: 35 LDR r11,[r0,#0xc] 36 LDR r10,[r0,#8] 37 LDR r5,[r0,#4] 38 LDR r4,[r0],r1 39 UQSUB16 r11,r11,r6 40 UQSUB16 r10,r10,r6 41 UQSUB16 r5,r5,r6 42 UQSUB16 r4,r4,r6 43 USAT16 r11,#13,r11 44 USAT16 r10,#13,r10 45 USAT16 r5,#13,r5 46 USAT16 r4,#13,r4 47 AND r11,r12,r11,LSR #5 48 AND r10,r12,r10,LSR #5 49 AND r5,r12,r5,LSR #5 50 AND r4,r12,r4,LSR #5 51 ORR r11,r10,r11,LSL #8 52 ORR r10,r4,r5,LSL #8 53 SUBS lr,lr,#1 54 STRD r10,r11,[r7],#8 55 BGT LoopStart1 56 SUB r0,r7,#0x20 57 MOV r1,#8 58 POP {r4-r6,pc} 59 60 .global armVCM4P10_InterpolateLuma_VerDiagCopy_unsafe 61 armVCM4P10_InterpolateLuma_VerDiagCopy_unsafe: 62 PUSH {r4-r6,lr} 63 LDR r6, =0xfe00fe0 64 LDR r12, =0xff00ff 65 MOV lr,#2 66 LoopStart: 67 LDR r11,[r0,#0xc] 68 LDR r10,[r0,#8] 69 LDR r5,[r0,#4] 70 LDR r4,[r0],r1 71 UQSUB16 r11,r11,r6 72 UQSUB16 r10,r10,r6 73 UQSUB16 r5,r5,r6 74 UQSUB16 r4,r4,r6 75 USAT16 r11,#13,r11 76 USAT16 r10,#13,r10 77 USAT16 r5,#13,r5 78 USAT16 r4,#13,r4 79 AND r11,r12,r11,LSR #5 80 AND r10,r12,r10,LSR #5 81 AND r5,r12,r5,LSR #5 82 AND r4,r12,r4,LSR #5 83 ORR r11,r10,r11,LSL #8 84 ORR r10,r4,r5,LSL #8 85 PKHBT r4,r10,r11,LSL #16 86 STR r4,[r7],#8 87 PKHTB r5,r11,r10,ASR #16 88 STR r5,[r7],#-4 89 LDR r11,[r0,#0xc] 90 LDR r10,[r0,#8] 91 LDR r5,[r0,#4] 92 LDR r4,[r0],r1 93 UQSUB16 r11,r11,r6 94 UQSUB16 r10,r10,r6 95 UQSUB16 r5,r5,r6 96 UQSUB16 r4,r4,r6 97 USAT16 r11,#13,r11 98 USAT16 r10,#13,r10 99 USAT16 r5,#13,r5 100 USAT16 r4,#13,r4 101 AND r11,r12,r11,LSR #5 102 AND r10,r12,r10,LSR #5 103 AND r5,r12,r5,LSR #5 104 AND r4,r12,r4,LSR #5 105 ORR r11,r10,r11,LSL #8 106 ORR r10,r4,r5,LSL #8 107 PKHBT r4,r10,r11,LSL #16 108 SUBS lr,lr,#1 109 STR r4,[r7],#8 110 PKHTB r5,r11,r10,ASR #16 111 STR r5,[r7],#4 112 BGT LoopStart 113 SUB r0,r7,#0x18 114 MOV r1,#4 115 POP {r4-r6,pc} 116 117 .end 118 119