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-rw-r--r--media/libvpx/libvpx/vp8/common/x86/recon_mmx.asm120
1 files changed, 120 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vp8/common/x86/recon_mmx.asm b/media/libvpx/libvpx/vp8/common/x86/recon_mmx.asm
new file mode 100644
index 0000000000..01cf066837
--- /dev/null
+++ b/media/libvpx/libvpx/vp8/common/x86/recon_mmx.asm
@@ -0,0 +1,120 @@
+;
+; 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"
+
+SECTION .text
+
+;void copy_mem8x8_mmx(
+; unsigned char *src,
+; int src_stride,
+; unsigned char *dst,
+; int dst_stride
+; )
+globalsym(vp8_copy_mem8x8_mmx)
+sym(vp8_copy_mem8x8_mmx):
+ push rbp
+ mov rbp, rsp
+ SHADOW_ARGS_TO_STACK 4
+ push rsi
+ push rdi
+ ; end prolog
+
+ mov rsi, arg(0) ;src;
+ movq mm0, [rsi]
+
+ movsxd rax, dword ptr arg(1) ;src_stride;
+ mov rdi, arg(2) ;dst;
+
+ movq mm1, [rsi+rax]
+ movq mm2, [rsi+rax*2]
+
+ movsxd rcx, dword ptr arg(3) ;dst_stride
+ lea rsi, [rsi+rax*2]
+
+ movq [rdi], mm0
+ add rsi, rax
+
+ movq [rdi+rcx], mm1
+ movq [rdi+rcx*2], mm2
+
+
+ lea rdi, [rdi+rcx*2]
+ movq mm3, [rsi]
+
+ add rdi, rcx
+ movq mm4, [rsi+rax]
+
+ movq mm5, [rsi+rax*2]
+ movq [rdi], mm3
+
+ lea rsi, [rsi+rax*2]
+ movq [rdi+rcx], mm4
+
+ movq [rdi+rcx*2], mm5
+ lea rdi, [rdi+rcx*2]
+
+ movq mm0, [rsi+rax]
+ movq mm1, [rsi+rax*2]
+
+ movq [rdi+rcx], mm0
+ movq [rdi+rcx*2],mm1
+
+ ; begin epilog
+ pop rdi
+ pop rsi
+ UNSHADOW_ARGS
+ pop rbp
+ ret
+
+
+;void copy_mem8x4_mmx(
+; unsigned char *src,
+; int src_stride,
+; unsigned char *dst,
+; int dst_stride
+; )
+globalsym(vp8_copy_mem8x4_mmx)
+sym(vp8_copy_mem8x4_mmx):
+ push rbp
+ mov rbp, rsp
+ SHADOW_ARGS_TO_STACK 4
+ push rsi
+ push rdi
+ ; end prolog
+
+ mov rsi, arg(0) ;src;
+ movq mm0, [rsi]
+
+ movsxd rax, dword ptr arg(1) ;src_stride;
+ mov rdi, arg(2) ;dst;
+
+ movq mm1, [rsi+rax]
+ movq mm2, [rsi+rax*2]
+
+ movsxd rcx, dword ptr arg(3) ;dst_stride
+ lea rsi, [rsi+rax*2]
+
+ movq [rdi], mm0
+ movq [rdi+rcx], mm1
+
+ movq [rdi+rcx*2], mm2
+ lea rdi, [rdi+rcx*2]
+
+ movq mm3, [rsi+rax]
+ movq [rdi+rcx], mm3
+
+ ; begin epilog
+ pop rdi
+ pop rsi
+ UNSHADOW_ARGS
+ pop rbp
+ ret