d331e7a1c0
so that the convolve functions are independent of table alignment. Change-Id: Ieab132a30d72c6e75bbe9473544fbe2cf51541ee
85 lines
2.5 KiB
NASM
85 lines
2.5 KiB
NASM
;
|
|
; 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_copy_neon|
|
|
ARM
|
|
REQUIRE8
|
|
PRESERVE8
|
|
|
|
AREA ||.text||, CODE, READONLY, ALIGN=2
|
|
|
|
|vpx_convolve_copy_neon| PROC
|
|
push {r4-r5, lr}
|
|
ldrd r4, r5, [sp, #32]
|
|
|
|
cmp r4, #32
|
|
bgt copy64
|
|
beq copy32
|
|
cmp r4, #8
|
|
bgt copy16
|
|
beq copy8
|
|
b copy4
|
|
|
|
copy64
|
|
sub lr, r1, #32
|
|
sub r3, r3, #32
|
|
copy64_h
|
|
pld [r0, r1, lsl #1]
|
|
vld1.8 {q0-q1}, [r0]!
|
|
vld1.8 {q2-q3}, [r0], lr
|
|
vst1.8 {q0-q1}, [r2@128]!
|
|
vst1.8 {q2-q3}, [r2@128], r3
|
|
subs r5, r5, #1
|
|
bgt copy64_h
|
|
pop {r4-r5, pc}
|
|
|
|
copy32
|
|
pld [r0, r1, lsl #1]
|
|
vld1.8 {q0-q1}, [r0], r1
|
|
pld [r0, r1, lsl #1]
|
|
vld1.8 {q2-q3}, [r0], r1
|
|
vst1.8 {q0-q1}, [r2@128], r3
|
|
vst1.8 {q2-q3}, [r2@128], r3
|
|
subs r5, r5, #2
|
|
bgt copy32
|
|
pop {r4-r5, pc}
|
|
|
|
copy16
|
|
pld [r0, r1, lsl #1]
|
|
vld1.8 {q0}, [r0], r1
|
|
pld [r0, r1, lsl #1]
|
|
vld1.8 {q1}, [r0], r1
|
|
vst1.8 {q0}, [r2@128], r3
|
|
vst1.8 {q1}, [r2@128], r3
|
|
subs r5, r5, #2
|
|
bgt copy16
|
|
pop {r4-r5, pc}
|
|
|
|
copy8
|
|
pld [r0, r1, lsl #1]
|
|
vld1.8 {d0}, [r0], r1
|
|
pld [r0, r1, lsl #1]
|
|
vld1.8 {d2}, [r0], r1
|
|
vst1.8 {d0}, [r2@64], r3
|
|
vst1.8 {d2}, [r2@64], r3
|
|
subs r5, r5, #2
|
|
bgt copy8
|
|
pop {r4-r5, pc}
|
|
|
|
copy4
|
|
ldr r12, [r0], r1
|
|
str r12, [r2], r3
|
|
subs r5, r5, #1
|
|
bgt copy4
|
|
pop {r4-r5, pc}
|
|
ENDP
|
|
|
|
END
|