1 files changed, 101 insertions, 0 deletions
diff --git a/media/libvpx/vp9/encoder/x86/vp9_dct_mmx.asm b/media/libvpx/vp9/encoder/x86/vp9_dct_mmx.asm
new file mode 100644
index 000000000..b41fbc8b3
--- /dev/null
+++ b/media/libvpx/vp9/encoder/x86/vp9_dct_mmx.asm
@@ -0,0 +1,101 @@
+;
+;  Copyright (c) 2014 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 "third_party/x86inc/x86inc.asm"
+
+SECTION .text
+
+%macro TRANSFORM_COLS 0
+  paddw           m0,        m1
+  movq            m4,        m0
+  psubw           m3,        m2
+  psubw           m4,        m3
+  psraw           m4,        1
+  movq            m5,        m4
+  psubw           m5,        m1 ;b1
+  psubw           m4,        m2 ;c1
+  psubw           m0,        m4
+  paddw           m3,        m5
+                                ; m0 a0
+  SWAP            1,         4  ; m1 c1
+  SWAP            2,         3  ; m2 d1
+  SWAP            3,         5  ; m3 b1
+%endmacro
+
+%macro TRANSPOSE_4X4 0
+  movq            m4,        m0
+  movq            m5,        m2
+  punpcklwd       m4,        m1
+  punpckhwd       m0,        m1
+  punpcklwd       m5,        m3
+  punpckhwd       m2,        m3
+  movq            m1,        m4
+  movq            m3,        m0
+  punpckldq       m1,        m5
+  punpckhdq       m4,        m5
+  punpckldq       m3,        m2
+  punpckhdq       m0,        m2
+  SWAP            2, 3, 0, 1, 4
+%endmacro
+
+INIT_MMX mmx
+cglobal fwht4x4, 3, 4, 8, input, output, stride
+  lea             r3q,       [inputq + strideq*4]
+  movq            m0,        [inputq] ;a1
+  movq            m1,        [inputq + strideq*2] ;b1
+  movq            m2,        [r3q] ;c1
+  movq            m3,        [r3q + strideq*2] ;d1
+
+  TRANSFORM_COLS
+  TRANSPOSE_4X4
+  TRANSFORM_COLS
+  TRANSPOSE_4X4
+
+  psllw           m0,        2
+  psllw           m1,        2
+  psllw           m2,        2
+  psllw           m3,        2
+
+%if CONFIG_VP9_HIGHBITDEPTH
+  pxor            m4,             m4
+  pxor            m5,             m5
+  pcmpgtw         m4,             m0
+  pcmpgtw         m5,             m1
+  movq            m6,             m0
+  movq            m7,             m1
+  punpcklwd       m0,             m4
+  punpcklwd       m1,             m5
+  punpckhwd       m6,             m4
+  punpckhwd       m7,             m5
+  movq            [outputq],      m0
+  movq            [outputq + 8],  m6
+  movq            [outputq + 16], m1
+  movq            [outputq + 24], m7
+  pxor            m4,             m4
+  pxor            m5,             m5
+  pcmpgtw         m4,             m2
+  pcmpgtw         m5,             m3
+  movq            m6,             m2
+  movq            m7,             m3
+  punpcklwd       m2,             m4
+  punpcklwd       m3,             m5
+  punpckhwd       m6,             m4
+  punpckhwd       m7,             m5
+  movq            [outputq + 32], m2
+  movq            [outputq + 40], m6
+  movq            [outputq + 48], m3
+  movq            [outputq + 56], m7
+%else
+  movq            [outputq],      m0
+  movq            [outputq + 8],  m1
+  movq            [outputq + 16], m2
+  movq            [outputq + 24], m3
+%endif
+
+  RET