Index: source/libvpx/vp8/common/x86/copy_sse2.asm |
diff --git a/source/libvpx/vp8/common/x86/copy_sse2.asm b/source/libvpx/vp8/common/x86/copy_sse2.asm |
new file mode 100644 |
index 0000000000000000000000000000000000000000..86fae269563195bc7772ec55d3fa9b41d6e6910f |
--- /dev/null |
+++ b/source/libvpx/vp8/common/x86/copy_sse2.asm |
@@ -0,0 +1,93 @@ |
+; |
+; Copyright (c) 2010 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. |
+; |
+ |
+ |
+%include "vpx_ports/x86_abi_support.asm" |
+ |
+ |
+;void vp8_copy32xn_sse2( |
+; unsigned char *src_ptr, |
+; int src_stride, |
+; unsigned char *dst_ptr, |
+; int dst_stride, |
+; int height); |
+global sym(vp8_copy32xn_sse2) PRIVATE |
+sym(vp8_copy32xn_sse2): |
+ push rbp |
+ mov rbp, rsp |
+ SHADOW_ARGS_TO_STACK 5 |
+ SAVE_XMM 7 |
+ push rsi |
+ push rdi |
+ ; end prolog |
+ |
+ mov rsi, arg(0) ;src_ptr |
+ mov rdi, arg(2) ;dst_ptr |
+ |
+ movsxd rax, dword ptr arg(1) ;src_stride |
+ movsxd rdx, dword ptr arg(3) ;dst_stride |
+ movsxd rcx, dword ptr arg(4) ;height |
+ |
+.block_copy_sse2_loopx4: |
+ movdqu xmm0, XMMWORD PTR [rsi] |
+ movdqu xmm1, XMMWORD PTR [rsi + 16] |
+ movdqu xmm2, XMMWORD PTR [rsi + rax] |
+ movdqu xmm3, XMMWORD PTR [rsi + rax + 16] |
+ |
+ lea rsi, [rsi+rax*2] |
+ |
+ movdqu xmm4, XMMWORD PTR [rsi] |
+ movdqu xmm5, XMMWORD PTR [rsi + 16] |
+ movdqu xmm6, XMMWORD PTR [rsi + rax] |
+ movdqu xmm7, XMMWORD PTR [rsi + rax + 16] |
+ |
+ lea rsi, [rsi+rax*2] |
+ |
+ movdqa XMMWORD PTR [rdi], xmm0 |
+ movdqa XMMWORD PTR [rdi + 16], xmm1 |
+ movdqa XMMWORD PTR [rdi + rdx], xmm2 |
+ movdqa XMMWORD PTR [rdi + rdx + 16], xmm3 |
+ |
+ lea rdi, [rdi+rdx*2] |
+ |
+ movdqa XMMWORD PTR [rdi], xmm4 |
+ movdqa XMMWORD PTR [rdi + 16], xmm5 |
+ movdqa XMMWORD PTR [rdi + rdx], xmm6 |
+ movdqa XMMWORD PTR [rdi + rdx + 16], xmm7 |
+ |
+ lea rdi, [rdi+rdx*2] |
+ |
+ sub rcx, 4 |
+ cmp rcx, 4 |
+ jge .block_copy_sse2_loopx4 |
+ |
+ cmp rcx, 0 |
+ je .copy_is_done |
+ |
+.block_copy_sse2_loop: |
+ movdqu xmm0, XMMWORD PTR [rsi] |
+ movdqu xmm1, XMMWORD PTR [rsi + 16] |
+ lea rsi, [rsi+rax] |
+ |
+ movdqa XMMWORD PTR [rdi], xmm0 |
+ movdqa XMMWORD PTR [rdi + 16], xmm1 |
+ lea rdi, [rdi+rdx] |
+ |
+ sub rcx, 1 |
+ jne .block_copy_sse2_loop |
+ |
+.copy_is_done: |
+ ; begin epilog |
+ pop rdi |
+ pop rsi |
+ RESTORE_XMM |
+ UNSHADOW_ARGS |
+ pop rbp |
+ ret |