| ; | |
| ; Copyright (c) 2016, Alliance for Open Media. All rights reserved | |
| ; | |
| ; This source code is subject to the terms of the BSD 2 Clause License and | |
| ; the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License | |
| ; was not distributed with this source code in the LICENSE file, you can | |
| ; obtain it at www.aomedia.org/license/software. If the Alliance for Open | |
| ; Media Patent License 1.0 was not distributed with this source code in the | |
| ; PATENTS file, you can obtain it at www.aomedia.org/license/patent. | |
| ; | |
| ; | |
| EXPORT |aom_convolve_avg_neon| | |
| ARM | |
| REQUIRE8 | |
| PRESERVE8 | |
| AREA ||.text||, CODE, READONLY, ALIGN=2 | |
| |aom_convolve_avg_neon| PROC | |
| push {r4-r6, lr} | |
| ldrd r4, r5, [sp, #32] | |
| mov r6, r2 | |
| cmp r4, #32 | |
| bgt avg64 | |
| beq avg32 | |
| cmp r4, #8 | |
| bgt avg16 | |
| beq avg8 | |
| b avg4 | |
| avg64 | |
| sub lr, r1, #32 | |
| sub r4, r3, #32 | |
| avg64_h | |
| pld [r0, r1, lsl #1] | |
| vld1.8 {q0-q1}, [r0]! | |
| vld1.8 {q2-q3}, [r0], lr | |
| pld [r2, r3] | |
| vld1.8 {q8-q9}, [r6@128]! | |
| vld1.8 {q10-q11}, [r6@128], r4 | |
| vrhadd.u8 q0, q0, q8 | |
| vrhadd.u8 q1, q1, q9 | |
| vrhadd.u8 q2, q2, q10 | |
| vrhadd.u8 q3, q3, q11 | |
| vst1.8 {q0-q1}, [r2@128]! | |
| vst1.8 {q2-q3}, [r2@128], r4 | |
| subs r5, r5, #1 | |
| bgt avg64_h | |
| pop {r4-r6, pc} | |
| avg32 | |
| vld1.8 {q0-q1}, [r0], r1 | |
| vld1.8 {q2-q3}, [r0], r1 | |
| vld1.8 {q8-q9}, [r6@128], r3 | |
| vld1.8 {q10-q11}, [r6@128], r3 | |
| pld [r0] | |
| vrhadd.u8 q0, q0, q8 | |
| pld [r0, r1] | |
| vrhadd.u8 q1, q1, q9 | |
| pld [r6] | |
| vrhadd.u8 q2, q2, q10 | |
| pld [r6, r3] | |
| vrhadd.u8 q3, q3, q11 | |
| vst1.8 {q0-q1}, [r2@128], r3 | |
| vst1.8 {q2-q3}, [r2@128], r3 | |
| subs r5, r5, #2 | |
| bgt avg32 | |
| pop {r4-r6, pc} | |
| avg16 | |
| vld1.8 {q0}, [r0], r1 | |
| vld1.8 {q1}, [r0], r1 | |
| vld1.8 {q2}, [r6@128], r3 | |
| vld1.8 {q3}, [r6@128], r3 | |
| pld [r0] | |
| pld [r0, r1] | |
| vrhadd.u8 q0, q0, q2 | |
| pld [r6] | |
| pld [r6, r3] | |
| vrhadd.u8 q1, q1, q3 | |
| vst1.8 {q0}, [r2@128], r3 | |
| vst1.8 {q1}, [r2@128], r3 | |
| subs r5, r5, #2 | |
| bgt avg16 | |
| pop {r4-r6, pc} | |
| avg8 | |
| vld1.8 {d0}, [r0], r1 | |
| vld1.8 {d1}, [r0], r1 | |
| vld1.8 {d2}, [r6@64], r3 | |
| vld1.8 {d3}, [r6@64], r3 | |
| pld [r0] | |
| pld [r0, r1] | |
| vrhadd.u8 q0, q0, q1 | |
| pld [r6] | |
| pld [r6, r3] | |
| vst1.8 {d0}, [r2@64], r3 | |
| vst1.8 {d1}, [r2@64], r3 | |
| subs r5, r5, #2 | |
| bgt avg8 | |
| pop {r4-r6, pc} | |
| avg4 | |
| vld1.32 {d0[0]}, [r0], r1 | |
| vld1.32 {d0[1]}, [r0], r1 | |
| vld1.32 {d2[0]}, [r6@32], r3 | |
| vld1.32 {d2[1]}, [r6@32], r3 | |
| vrhadd.u8 d0, d0, d2 | |
| vst1.32 {d0[0]}, [r2@32], r3 | |
| vst1.32 {d0[1]}, [r2@32], r3 | |
| subs r5, r5, #2 | |
| bgt avg4 | |
| pop {r4-r6, pc} | |
| ENDP | |
| END |