1; 2; Copyright (c) 2013 The WebM project authors. All Rights Reserved. 3; 4; Use of this source code is governed by a BSD-style license 5; that can be found in the LICENSE file in the root of the source 6; tree. An additional intellectual property rights grant can be found 7; in the file PATENTS. All contributing project authors may 8; be found in the AUTHORS file in the root of the source tree. 9; 10 11 EXPORT |vpx_convolve_copy_neon| 12 ARM 13 REQUIRE8 14 PRESERVE8 15 16 AREA ||.text||, CODE, READONLY, ALIGN=2 17 18|vpx_convolve_copy_neon| PROC 19 push {r4-r5, lr} 20 ldrd r4, r5, [sp, #28] 21 22 cmp r4, #32 23 bgt copy64 24 beq copy32 25 cmp r4, #8 26 bgt copy16 27 beq copy8 28 b copy4 29 30copy64 31 sub lr, r1, #32 32 sub r3, r3, #32 33copy64_h 34 pld [r0, r1, lsl #1] 35 vld1.8 {q0-q1}, [r0]! 36 vld1.8 {q2-q3}, [r0], lr 37 vst1.8 {q0-q1}, [r2@128]! 38 vst1.8 {q2-q3}, [r2@128], r3 39 subs r5, r5, #1 40 bgt copy64_h 41 pop {r4-r5, pc} 42 43copy32 44 pld [r0, r1, lsl #1] 45 vld1.8 {q0-q1}, [r0], r1 46 pld [r0, r1, lsl #1] 47 vld1.8 {q2-q3}, [r0], r1 48 vst1.8 {q0-q1}, [r2@128], r3 49 vst1.8 {q2-q3}, [r2@128], r3 50 subs r5, r5, #2 51 bgt copy32 52 pop {r4-r5, pc} 53 54copy16 55 pld [r0, r1, lsl #1] 56 vld1.8 {q0}, [r0], r1 57 pld [r0, r1, lsl #1] 58 vld1.8 {q1}, [r0], r1 59 vst1.8 {q0}, [r2@128], r3 60 vst1.8 {q1}, [r2@128], r3 61 subs r5, r5, #2 62 bgt copy16 63 pop {r4-r5, pc} 64 65copy8 66 pld [r0, r1, lsl #1] 67 vld1.8 {d0}, [r0], r1 68 pld [r0, r1, lsl #1] 69 vld1.8 {d2}, [r0], r1 70 vst1.8 {d0}, [r2@64], r3 71 vst1.8 {d2}, [r2@64], r3 72 subs r5, r5, #2 73 bgt copy8 74 pop {r4-r5, pc} 75 76copy4 77 ldr r12, [r0], r1 78 str r12, [r2], r3 79 subs r5, r5, #1 80 bgt copy4 81 pop {r4-r5, pc} 82 ENDP 83 84 END 85