openh264/codec/common/arm64/expand_picture_aarch64_neon.S
Martin Storsjö 0b0884874d Remove superfluous .text directives at the start of arm assembly files
This directive can be set by the common include header that is
included by all files anyway.
2015-03-27 10:46:34 +02:00

143 lines
3.9 KiB
ArmAsm

/*!
* \copy
* Copyright (c) 2013, Cisco Systems
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifdef HAVE_NEON_AARCH64
#include "arm_arch64_common_macro.S"
WELS_ASM_AARCH64_FUNC_BEGIN ExpandPictureLuma_AArch64_neon
mov x7, x0
mov x8, x3
add x4, x7, x2
sub x4, x4, #1
mov x10, #16
//For the left and right expand
_expand_picture_luma_loop2:
sub x5, x7, #32
add x6, x4, #1
ld1r {v0.16b}, [x7], x1
ld1r {v2.16b}, [x4], x1
mov v1.16b, v0.16b
mov v3.16b, v2.16b
st2 {v0.16b, v1.16b}, [x5]
st2 {v2.16b, v3.16b}, [x6]
sub x8, x8, #1
cbnz x8, _expand_picture_luma_loop2
//for the top and bottom expand
add x2, x2, #64
sub x0, x0, #32
madd x4, x1, x3, x0
sub x4, x4, x1
_expand_picture_luma_loop0:
mov x5, #32
msub x5, x5, x1, x0
add x6, x4, x1
ld1 {v0.16b}, [x0], x10
ld1 {v1.16b}, [x4], x10
mov x8, #32
_expand_picture_luma_loop1:
st1 {v0.16b}, [x5], x1
st1 {v1.16b}, [x6], x1
sub x8, x8, #1
cbnz x8, _expand_picture_luma_loop1
sub x2, x2, #16
cbnz x2, _expand_picture_luma_loop0
WELS_ASM_AARCH64_FUNC_END
WELS_ASM_AARCH64_FUNC_BEGIN ExpandPictureChroma_AArch64_neon
//Save the dst
mov x7, x0
mov x8, x3
mov x10, #16
add x4, x7, x2
sub x4, x4, #1
//For the left and right expand
_expand_picture_chroma_loop2:
sub x5, x7, #16
add x6, x4, #1
ld1r {v0.16b}, [x7], x1
ld1r {v1.16b}, [x4], x1
st1 {v0.16b}, [x5]
st1 {v1.16b}, [x6]
sub x8, x8, #1
cbnz x8, _expand_picture_chroma_loop2
//for the top and bottom expand
add x2, x2, #32
//
mov x9, x2
mov x11, #15
bic x2, x2, x11
//
sub x0, x0, #16
madd x4, x1, x3, x0
sub x4, x4, x1
_expand_picture_chroma_loop0:
mov x5, #16
msub x5, x5, x1, x0
add x6, x4, x1
ld1 {v0.16b}, [x0], x10
ld1 {v1.16b}, [x4], x10
mov x8, #16
_expand_picture_chroma_loop1:
st1 {v0.16b}, [x5], x1
st1 {v1.16b}, [x6], x1
sub x8, x8, #1
cbnz x8, _expand_picture_chroma_loop1
sub x2, x2, #16
cbnz x2, _expand_picture_chroma_loop0
and x9, x9, #15
sub x9, x9, #8
cbnz x9, _expand_picture_chroma_end
mov x5, #16
msub x5, x5, x1, x0
add x6, x4, x1
ld1 {v0.8b}, [x0]
ld1 {v1.8b}, [x4]
mov x8, #16
_expand_picture_chroma_loop3:
st1 {v0.8b}, [x5], x1
st1 {v1.8b}, [x6], x1
sub x8, x8, #1
cbnz x8, _expand_picture_chroma_loop3
_expand_picture_chroma_end:
WELS_ASM_AARCH64_FUNC_END
#endif