source/libvpx/vp8/common/arm/neon/loopfiltersimpleverticaledge_neon.asm - Issue 554673004: libvpx: Pull from upstream

Unified Diff: source/libvpx/vp8/common/arm/neon/loopfiltersimpleverticaledge_neon.asm

Issue 554673004: libvpx: Pull from upstream (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/deps/third_party/libvpx/

Patch Set: Created 6 years, 3 months ago

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Index: source/libvpx/vp8/common/arm/neon/loopfiltersimpleverticaledge_neon.asm

===================================================================

--- source/libvpx/vp8/common/arm/neon/loopfiltersimpleverticaledge_neon.asm (revision 291857)

+++ source/libvpx/vp8/common/arm/neon/loopfiltersimpleverticaledge_neon.asm (working copy)

@@ -1,156 +0,0 @@

-; 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 |vp8_loop_filter_bvs_neon|

- EXPORT |vp8_loop_filter_mbvs_neon|

- ARM

- PRESERVE8

- AREA ||.text||, CODE, READONLY, ALIGN=2

-; r0 unsigned char *s, PRESERVE

-; r1 int p, PRESERVE

-; q1 limit, PRESERVE

-|vp8_loop_filter_simple_vertical_edge_neon| PROC

- vpush {d8-d15}

- sub r0, r0, #2 ; move src pointer down by 2 columns

- add r12, r1, r1

- add r3, r0, r1

- vld4.8 {d6[0], d7[0], d8[0], d9[0]}, [r0], r12

- vld4.8 {d6[1], d7[1], d8[1], d9[1]}, [r3], r12

- vld4.8 {d6[2], d7[2], d8[2], d9[2]}, [r0], r12

- vld4.8 {d6[3], d7[3], d8[3], d9[3]}, [r3], r12

- vld4.8 {d6[4], d7[4], d8[4], d9[4]}, [r0], r12

- vld4.8 {d6[5], d7[5], d8[5], d9[5]}, [r3], r12

- vld4.8 {d6[6], d7[6], d8[6], d9[6]}, [r0], r12

- vld4.8 {d6[7], d7[7], d8[7], d9[7]}, [r3], r12

- vld4.8 {d10[0], d11[0], d12[0], d13[0]}, [r0], r12

- vld4.8 {d10[1], d11[1], d12[1], d13[1]}, [r3], r12

- vld4.8 {d10[2], d11[2], d12[2], d13[2]}, [r0], r12

- vld4.8 {d10[3], d11[3], d12[3], d13[3]}, [r3], r12

- vld4.8 {d10[4], d11[4], d12[4], d13[4]}, [r0], r12

- vld4.8 {d10[5], d11[5], d12[5], d13[5]}, [r3], r12

- vld4.8 {d10[6], d11[6], d12[6], d13[6]}, [r0], r12

- vld4.8 {d10[7], d11[7], d12[7], d13[7]}, [r3]

- vswp d7, d10

- vswp d12, d9

- ;vp8_filter_mask() function

- ;vp8_hevmask() function

- sub r0, r0, r1, lsl #4

- vabd.u8 q15, q5, q4 ; abs(p0 - q0)

- vabd.u8 q14, q3, q6 ; abs(p1 - q1)

- vqadd.u8 q15, q15, q15 ; abs(p0 - q0) * 2

- vshr.u8 q14, q14, #1 ; abs(p1 - q1) / 2

- vmov.u8 q0, #0x80 ; 0x80

- vmov.s16 q11, #3

- vqadd.u8 q15, q15, q14 ; abs(p0 - q0) * 2 + abs(p1 - q1) / 2

- veor q4, q4, q0 ; qs0: q0 offset to convert to a signed value

- veor q5, q5, q0 ; ps0: p0 offset to convert to a signed value

- veor q3, q3, q0 ; ps1: p1 offset to convert to a signed value

- veor q6, q6, q0 ; qs1: q1 offset to convert to a signed value

- vcge.u8 q15, q1, q15 ; abs(p0 - q0)*2 + abs(p1-q1)/2 > flimit*2 + limit)*-1

- vsubl.s8 q2, d8, d10 ; ( qs0 - ps0)

- vsubl.s8 q13, d9, d11

- vqsub.s8 q14, q3, q6 ; vp8_filter = vp8_signed_char_clamp(ps1-qs1)

- vmul.s16 q2, q2, q11 ; 3 * ( qs0 - ps0)

- vmul.s16 q13, q13, q11

- vmov.u8 q11, #0x03 ; 0x03

- vmov.u8 q12, #0x04 ; 0x04

- vaddw.s8 q2, q2, d28 ; vp8_filter + 3 * ( qs0 - ps0)

- vaddw.s8 q13, q13, d29

- vqmovn.s16 d28, q2 ; vp8_filter = vp8_signed_char_clamp(vp8_filter + 3 * ( qs0 - ps0))

- vqmovn.s16 d29, q13

- add r0, r0, #1

- add r3, r0, r1

- vand q14, q14, q15 ; vp8_filter &= mask

- vqadd.s8 q2, q14, q11 ; Filter2 = vp8_signed_char_clamp(vp8_filter+3)

- vqadd.s8 q3, q14, q12 ; Filter1 = vp8_signed_char_clamp(vp8_filter+4)

- vshr.s8 q2, q2, #3 ; Filter2 >>= 3

- vshr.s8 q14, q3, #3 ; Filter1 >>= 3

- ;calculate output

- vqadd.s8 q11, q5, q2 ; u = vp8_signed_char_clamp(ps0 + Filter2)

- vqsub.s8 q10, q4, q14 ; u = vp8_signed_char_clamp(qs0 - Filter1)

- veor q6, q11, q0 ; *op0 = u^0x80

- veor q7, q10, q0 ; *oq0 = u^0x80

- add r12, r1, r1

- vswp d13, d14

- ;store op1, op0, oq0, oq1

- vst2.8 {d12[0], d13[0]}, [r0], r12

- vst2.8 {d12[1], d13[1]}, [r3], r12

- vst2.8 {d12[2], d13[2]}, [r0], r12

- vst2.8 {d12[3], d13[3]}, [r3], r12

- vst2.8 {d12[4], d13[4]}, [r0], r12

- vst2.8 {d12[5], d13[5]}, [r3], r12

- vst2.8 {d12[6], d13[6]}, [r0], r12

- vst2.8 {d12[7], d13[7]}, [r3], r12

- vst2.8 {d14[0], d15[0]}, [r0], r12

- vst2.8 {d14[1], d15[1]}, [r3], r12

- vst2.8 {d14[2], d15[2]}, [r0], r12

- vst2.8 {d14[3], d15[3]}, [r3], r12

- vst2.8 {d14[4], d15[4]}, [r0], r12

- vst2.8 {d14[5], d15[5]}, [r3], r12

- vst2.8 {d14[6], d15[6]}, [r0], r12

- vst2.8 {d14[7], d15[7]}, [r3]

- vpop {d8-d15}

- bx lr

- ENDP ; |vp8_loop_filter_simple_vertical_edge_neon|

-; r0 unsigned char *y

-; r1 int ystride

-; r2 const unsigned char *blimit

-|vp8_loop_filter_bvs_neon| PROC

- push {r4, lr}

- ldrb r3, [r2] ; load blim from mem

- mov r4, r0

- add r0, r0, #4

- vdup.s8 q1, r3 ; duplicate blim

- bl vp8_loop_filter_simple_vertical_edge_neon

- ; vp8_loop_filter_simple_vertical_edge_neon preserves r1 and q1

- add r0, r4, #8

- bl vp8_loop_filter_simple_vertical_edge_neon

- add r0, r4, #12

- pop {r4, lr}

- b vp8_loop_filter_simple_vertical_edge_neon

- ENDP ;|vp8_loop_filter_bvs_neon|

-; r0 unsigned char *y

-; r1 int ystride

-; r2 const unsigned char *blimit

-|vp8_loop_filter_mbvs_neon| PROC

- ldrb r3, [r2] ; load mblim from mem

- vdup.s8 q1, r3 ; duplicate mblim

- b vp8_loop_filter_simple_vertical_edge_neon

- ENDP ;|vp8_loop_filter_bvs_neon|

- END