146 lines
4.5 KiB
NASM
146 lines
4.5 KiB
NASM
;
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; Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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;
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; Use of this source code is governed by a BSD-style license
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; that can be found in the LICENSE file in the root of the source
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; tree. An additional intellectual property rights grant can be found
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; in the file PATENTS. All contributing project authors may
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; be found in the AUTHORS file in the root of the source tree.
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;
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%include "vpx_ports/x86_abi_support.asm"
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%macro STACK_FRAME_CREATE_X3 0
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%if ABI_IS_32BIT
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%define src_ptr rsi
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%define src_stride rax
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%define ref_ptr rdi
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%define ref_stride rdx
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%define end_ptr rcx
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%define ret_var rbx
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%define result_ptr arg(4)
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%define max_sad arg(4)
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%define height dword ptr arg(4)
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push rbp
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mov rbp, rsp
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push rsi
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push rdi
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push rbx
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mov rsi, arg(0) ; src_ptr
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mov rdi, arg(2) ; ref_ptr
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movsxd rax, dword ptr arg(1) ; src_stride
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movsxd rdx, dword ptr arg(3) ; ref_stride
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%else
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%if LIBVPX_YASM_WIN64
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SAVE_XMM 7, u
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%define src_ptr rcx
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%define src_stride rdx
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%define ref_ptr r8
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%define ref_stride r9
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%define end_ptr r10
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%define ret_var r11
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%define result_ptr [rsp+xmm_stack_space+8+4*8]
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%define max_sad [rsp+xmm_stack_space+8+4*8]
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%define height dword ptr [rsp+xmm_stack_space+8+4*8]
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%else
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%define src_ptr rdi
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%define src_stride rsi
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%define ref_ptr rdx
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%define ref_stride rcx
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%define end_ptr r9
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%define ret_var r10
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%define result_ptr r8
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%define max_sad r8
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%define height r8
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%endif
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%endif
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%endmacro
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%macro STACK_FRAME_DESTROY_X3 0
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%define src_ptr
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%define src_stride
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%define ref_ptr
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%define ref_stride
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%define end_ptr
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%define ret_var
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%define result_ptr
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%define max_sad
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%define height
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%if ABI_IS_32BIT
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pop rbx
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pop rdi
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pop rsi
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pop rbp
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%else
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%if LIBVPX_YASM_WIN64
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RESTORE_XMM
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%endif
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%endif
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ret
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%endmacro
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;void vp8_copy32xn_sse3(
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; unsigned char *src_ptr,
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; int src_stride,
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; unsigned char *dst_ptr,
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; int dst_stride,
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; int height);
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global sym(vp8_copy32xn_sse3) PRIVATE
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sym(vp8_copy32xn_sse3):
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STACK_FRAME_CREATE_X3
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.block_copy_sse3_loopx4:
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lea end_ptr, [src_ptr+src_stride*2]
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movdqu xmm0, XMMWORD PTR [src_ptr]
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movdqu xmm1, XMMWORD PTR [src_ptr + 16]
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movdqu xmm2, XMMWORD PTR [src_ptr + src_stride]
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movdqu xmm3, XMMWORD PTR [src_ptr + src_stride + 16]
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movdqu xmm4, XMMWORD PTR [end_ptr]
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movdqu xmm5, XMMWORD PTR [end_ptr + 16]
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movdqu xmm6, XMMWORD PTR [end_ptr + src_stride]
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movdqu xmm7, XMMWORD PTR [end_ptr + src_stride + 16]
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lea src_ptr, [src_ptr+src_stride*4]
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lea end_ptr, [ref_ptr+ref_stride*2]
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movdqa XMMWORD PTR [ref_ptr], xmm0
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movdqa XMMWORD PTR [ref_ptr + 16], xmm1
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movdqa XMMWORD PTR [ref_ptr + ref_stride], xmm2
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movdqa XMMWORD PTR [ref_ptr + ref_stride + 16], xmm3
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movdqa XMMWORD PTR [end_ptr], xmm4
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movdqa XMMWORD PTR [end_ptr + 16], xmm5
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movdqa XMMWORD PTR [end_ptr + ref_stride], xmm6
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movdqa XMMWORD PTR [end_ptr + ref_stride + 16], xmm7
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lea ref_ptr, [ref_ptr+ref_stride*4]
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sub height, 4
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cmp height, 4
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jge .block_copy_sse3_loopx4
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;Check to see if there is more rows need to be copied.
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cmp height, 0
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je .copy_is_done
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.block_copy_sse3_loop:
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movdqu xmm0, XMMWORD PTR [src_ptr]
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movdqu xmm1, XMMWORD PTR [src_ptr + 16]
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lea src_ptr, [src_ptr+src_stride]
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movdqa XMMWORD PTR [ref_ptr], xmm0
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movdqa XMMWORD PTR [ref_ptr + 16], xmm1
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lea ref_ptr, [ref_ptr+ref_stride]
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sub height, 1
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jne .block_copy_sse3_loop
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.copy_is_done:
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STACK_FRAME_DESTROY_X3
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