diff options
Diffstat (limited to 'media/libvpx/libvpx/vpx_dsp/arm/vpx_convolve_avg_neon_asm.asm')
| -rw-r--r-- | media/libvpx/libvpx/vpx_dsp/arm/vpx_convolve_avg_neon_asm.asm | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vpx_dsp/arm/vpx_convolve_avg_neon_asm.asm b/media/libvpx/libvpx/vpx_dsp/arm/vpx_convolve_avg_neon_asm.asm new file mode 100644 index 0000000000..efd6574f1f --- /dev/null +++ b/media/libvpx/libvpx/vpx_dsp/arm/vpx_convolve_avg_neon_asm.asm @@ -0,0 +1,116 @@ +; +; Copyright (c) 2013 The WebM 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. +; + + EXPORT |vpx_convolve_avg_neon| + ARM + REQUIRE8 + PRESERVE8 + + AREA ||.text||, CODE, READONLY, ALIGN=2 + +|vpx_convolve_avg_neon| PROC + push {r4-r6, lr} + ldrd r4, r5, [sp, #36] + 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 |