Merge remote-tracking branch 'rbultje/vp9-simd'

* rbultje/vp9-simd:
  vp9: implement top/left half (4x4) sub-8x8-IDCT.
  vp9: split pre-load of 11585x2 out of 1d idct macro.
  vp9: minor refactorings in idct ssse3 assembly.
  vp9: split x86 assembly in two files.

Merged-by: Michael Niedermayer <michaelni@gmx.at>

3 files changed, 364 insertions, 304 deletions

diff --git a/libavcodec/x86/Makefile b/libavcodec/x86/Makefile
index fa281ddfc1..2d2d5a09af 100644
--- a/libavcodec/x86/Makefile
+++ b/libavcodec/x86/Makefile
@@ -101,5 +101,6 @@ YASM-OBJS-$(CONFIG_VP3DSP)             += x86/vp3dsp.o
 YASM-OBJS-$(CONFIG_VP6_DECODER)        += x86/vp6dsp.o
 YASM-OBJS-$(CONFIG_VP8_DECODER)        += x86/vp8dsp.o                  \
                                           x86/vp8dsp_loopfilter.o
-YASM-OBJS-$(CONFIG_VP9_DECODER)        += x86/vp9dsp.o
+YASM-OBJS-$(CONFIG_VP9_DECODER)        += x86/vp9itxfm.o                \
+                                          x86/vp9mc.o
 YASM-OBJS-$(CONFIG_WEBP_DECODER)       += x86/vp8dsp.o
diff --git a/libavcodec/x86/vp9dsp.asm b/libavcodec/x86/vp9itxfm.asm
index 8b089145eb..ebf30440b2 100644
--- a/libavcodec/x86/vp9dsp.asm
+++ b/libavcodec/x86/vp9itxfm.asm
@@ -1,7 +1,7 @@
 ;******************************************************************************
-;* VP9 SIMD optimizations
+;* VP9 IDCT SIMD optimizations
 ;*
-;* Copyright (c) 2013 Ronald S. Bultje <rsbultje gmail com>
+;* Copyright (C) 2013 Clément Bœsch <u pkh me>
 ;*
 ;* This file is part of FFmpeg.
 ;*
@@ -24,65 +24,6 @@
 
 SECTION_RODATA
 
-; FIXME share with vp8dsp.asm
-pw_256:   times 8 dw 256
-
-%macro F8_TAPS 8
-times 8 db %1, %2
-times 8 db %3, %4
-times 8 db %5, %6
-times 8 db %7, %8
-%endmacro
-; int8_t ff_filters_ssse3[3][15][4][16]
-const filters_ssse3 ; smooth
-                    F8_TAPS -3, -1,  32,  64,  38,   1, -3,  0
-                    F8_TAPS -2, -2,  29,  63,  41,   2, -3,  0
-                    F8_TAPS -2, -2,  26,  63,  43,   4, -4,  0
-                    F8_TAPS -2, -3,  24,  62,  46,   5, -4,  0
-                    F8_TAPS -2, -3,  21,  60,  49,   7, -4,  0
-                    F8_TAPS -1, -4,  18,  59,  51,   9, -4,  0
-                    F8_TAPS -1, -4,  16,  57,  53,  12, -4, -1
-                    F8_TAPS -1, -4,  14,  55,  55,  14, -4, -1
-                    F8_TAPS -1, -4,  12,  53,  57,  16, -4, -1
-                    F8_TAPS  0, -4,   9,  51,  59,  18, -4, -1
-                    F8_TAPS  0, -4,   7,  49,  60,  21, -3, -2
-                    F8_TAPS  0, -4,   5,  46,  62,  24, -3, -2
-                    F8_TAPS  0, -4,   4,  43,  63,  26, -2, -2
-                    F8_TAPS  0, -3,   2,  41,  63,  29, -2, -2
-                    F8_TAPS  0, -3,   1,  38,  64,  32, -1, -3
-                    ; regular
-                    F8_TAPS  0,  1,  -5, 126,   8,  -3,  1,  0
-                    F8_TAPS -1,  3, -10, 122,  18,  -6,  2,  0
-                    F8_TAPS -1,  4, -13, 118,  27,  -9,  3, -1
-                    F8_TAPS -1,  4, -16, 112,  37, -11,  4, -1
-                    F8_TAPS -1,  5, -18, 105,  48, -14,  4, -1
-                    F8_TAPS -1,  5, -19,  97,  58, -16,  5, -1
-                    F8_TAPS -1,  6, -19,  88,  68, -18,  5, -1
-                    F8_TAPS -1,  6, -19,  78,  78, -19,  6, -1
-                    F8_TAPS -1,  5, -18,  68,  88, -19,  6, -1
-                    F8_TAPS -1,  5, -16,  58,  97, -19,  5, -1
-                    F8_TAPS -1,  4, -14,  48, 105, -18,  5, -1
-                    F8_TAPS -1,  4, -11,  37, 112, -16,  4, -1
-                    F8_TAPS -1,  3,  -9,  27, 118, -13,  4, -1
-                    F8_TAPS  0,  2,  -6,  18, 122, -10,  3, -1
-                    F8_TAPS  0,  1,  -3,   8, 126,  -5,  1,  0
-                    ; sharp
-                    F8_TAPS -1,  3,  -7, 127,   8,  -3,  1,  0
-                    F8_TAPS -2,  5, -13, 125,  17,  -6,  3, -1
-                    F8_TAPS -3,  7, -17, 121,  27, -10,  5, -2
-                    F8_TAPS -4,  9, -20, 115,  37, -13,  6, -2
-                    F8_TAPS -4, 10, -23, 108,  48, -16,  8, -3
-                    F8_TAPS -4, 10, -24, 100,  59, -19,  9, -3
-                    F8_TAPS -4, 11, -24,  90,  70, -21, 10, -4
-                    F8_TAPS -4, 11, -23,  80,  80, -23, 11, -4
-                    F8_TAPS -4, 10, -21,  70,  90, -24, 11, -4
-                    F8_TAPS -3,  9, -19,  59, 100, -24, 10, -4
-                    F8_TAPS -3,  8, -16,  48, 108, -23, 10, -4
-                    F8_TAPS -2,  6, -13,  37, 115, -20,  9, -4
-                    F8_TAPS -2,  5, -10,  27, 121, -17,  7, -3
-                    F8_TAPS -1,  3,  -6,  17, 125, -13,  5, -2
-                    F8_TAPS  0,  1,  -3,   8, 127,  -7,  3, -1
-
 pw_11585x2: times 8 dw 23170
 
 %macro VP9_IDCT_COEFFS 2
@@ -98,7 +39,7 @@ VP9_IDCT_COEFFS %1, %2
 
 VP9_IDCT_COEFFS_ALL 15137,  6270
 VP9_IDCT_COEFFS_ALL 16069,  3196
-VP9_IDCT_COEFFS      9102, 13623
+VP9_IDCT_COEFFS_ALL  9102, 13623
 
 pd_8192: times 4 dd 8192
 pw_2048: times 8 dw 2048
@@ -106,41 +47,36 @@ pw_1024: times 8 dw 1024
 
 SECTION .text
 
-;
-; IDCT helpers
-;
-
 ; (a*x + b*y + round) >> shift
 %macro VP9_MULSUB_2W_2X 6 ; dst1, dst2, src (unchanged), round, coefs1, coefs2
     pmaddwd            m%1, m%3, %5
     pmaddwd            m%2, m%3, %6
-    paddd              m%1, m%4
-    paddd              m%2, m%4
-    psrad              m%1, 14
-    psrad              m%2, 14
+    paddd              m%1,  %4
+    paddd              m%2,  %4
+    psrad              m%1,  14
+    psrad              m%2,  14
 %endmacro
 
-%macro VP9_UNPACK_MULSUB_2W_4X 4 ; dst1, dst2, coef1, coef2
-    punpckhwd           m6, m%2, m%1
-    VP9_MULSUB_2W_2X     4, 5,  6, 7, [pw_m%3_%4], [pw_%4_%3]
+%macro VP9_UNPACK_MULSUB_2W_4X 7 ; dst1, dst2, coef1, coef2, rnd, tmp1, tmp2
+    punpckhwd          m%6, m%2, m%1
+    VP9_MULSUB_2W_2X    %7,  %6,  %6, %5, [pw_m%3_%4], [pw_%4_%3]
     punpcklwd          m%2, m%1
-    VP9_MULSUB_2W_2X    %1, 6, %2, 7, [pw_m%3_%4], [pw_%4_%3]
-    packssdw           m%1, m4
-    packssdw            m6, m5
-    SWAP                %2, 6
+    VP9_MULSUB_2W_2X    %1,  %2,  %2, %5, [pw_m%3_%4], [pw_%4_%3]
+    packssdw           m%1, m%7
+    packssdw           m%2, m%6
 %endmacro
 
-%macro VP9_STORE_2X 2
-    movh                m6, [dstq]
-    movh                m7, [dstq+strideq]
-    punpcklbw           m6, m4
-    punpcklbw           m7, m4
-    paddw               m6, %1
-    paddw               m7, %2
-    packuswb            m6, m4
-    packuswb            m7, m4
-    movh            [dstq], m6
-    movh    [dstq+strideq], m7
+%macro VP9_STORE_2X 5 ; reg1, reg2, tmp1, tmp2, zero
+    movh               m%3, [dstq]
+    movh               m%4, [dstq+strideq]
+    punpcklbw          m%3, m%5
+    punpcklbw          m%4, m%5
+    paddw              m%3, m%1
+    paddw              m%4, m%2
+    packuswb           m%3, m%5
+    packuswb           m%4, m%5
+    movh            [dstq], m%3
+    movh    [dstq+strideq], m%4
 %endmacro
 
 ;-------------------------------------------------------------------------------------------
@@ -155,10 +91,9 @@ SECTION .text
 
 %macro VP9_IDCT4_1D 0
     SUMSUB_BA            w, 2, 0, 4                         ; m2=IN(0)+IN(2) m0=IN(0)-IN(2)
-    mova                m4, [pw_11585x2]
-    pmulhrsw            m2, m4                              ; m2=t0
-    pmulhrsw            m0, m4                              ; m0=t1
-    VP9_UNPACK_MULSUB_2W_4X 1, 3, 15137, 6270               ; m1=t2, m3=t3
+    pmulhrsw            m2, m6                              ; m2=t0
+    pmulhrsw            m0, m6                              ; m0=t1
+    VP9_UNPACK_MULSUB_2W_4X 1, 3, 15137, 6270, m7, 4, 5     ; m1=t2, m3=t3
     VP9_IDCT4_1D_FINALIZE
 %endmacro
 
@@ -176,11 +111,11 @@ SECTION .text
     mova                m5, [pw_2048]
     pmulhrsw            m0, m5              ; (x*2048 + (1<<14))>>15 <=> (x+8)>>4
     pmulhrsw            m1, m5
-    VP9_STORE_2X        m0, m1
+    VP9_STORE_2X         0,  1,  6,  7,  4
     lea               dstq, [dstq+2*strideq]
     pmulhrsw            m2, m5
     pmulhrsw            m3, m5
-    VP9_STORE_2X        m2, m3
+    VP9_STORE_2X         2,  3,  6,  7,  4
 %endmacro
 
 INIT_MMX ssse3
@@ -199,11 +134,10 @@ cglobal vp9_idct_idct_4x4_add, 4,4,0, dst, stride, block, eob
     pshufw              m0, m0, 0
     pxor                m4, m4
     movh          [blockq], m4
-    mova                m5, [pw_2048]
-    pmulhrsw            m0, m5              ; (x*2048 + (1<<14))>>15 <=> (x+8)>>4
-    VP9_STORE_2X        m0, m0
+    pmulhrsw            m0, [pw_2048]       ; (x*2048 + (1<<14))>>15 <=> (x+8)>>4
+    VP9_STORE_2X         0,  0,  6,  7,  4
     lea               dstq, [dstq+2*strideq]
-    VP9_STORE_2X        m0, m0
+    VP9_STORE_2X         0,  0,  6,  7,  4
     RET
 
 ; faster path for when only top left 2x2 block is set
@@ -227,6 +161,7 @@ cglobal vp9_idct_idct_4x4_add, 4,4,0, dst, stride, block, eob
     mova                m1, [blockq+ 8]
     mova                m2, [blockq+16]
     mova                m3, [blockq+24]
+    mova                m6, [pw_11585x2]
     mova                m7, [pd_8192]       ; rounding
     VP9_IDCT4_1D
     TRANSPOSE4x4W  0, 1, 2, 3, 4
@@ -257,9 +192,9 @@ cglobal vp9_idct_idct_4x4_add, 4,4,0, dst, stride, block, eob
     SUMSUB_BA            w, 8, 0, 4                         ; m8=IN(0)+IN(4) m0=IN(0)-IN(4)
     pmulhrsw            m8, m12                             ; m8=t0a
     pmulhrsw            m0, m12                             ; m0=t1a
-    VP9_UNPACK_MULSUB_2W_4X 2, 10, 15137,  6270             ; m2=t2a, m10=t3a
-    VP9_UNPACK_MULSUB_2W_4X 1, 11, 16069,  3196             ; m1=t4a, m11=t7a
-    VP9_UNPACK_MULSUB_2W_4X 9,  3,  9102, 13623             ; m9=t5a,  m3=t6a
+    VP9_UNPACK_MULSUB_2W_4X 2, 10, 15137,  6270, m7, 4, 5   ; m2=t2a, m10=t3a
+    VP9_UNPACK_MULSUB_2W_4X 1, 11, 16069,  3196, m7, 4, 5   ; m1=t4a, m11=t7a
+    VP9_UNPACK_MULSUB_2W_4X 9,  3,  9102, 13623, m7, 4, 5   ; m9=t5a,  m3=t6a
     SUMSUB_BA            w, 10,  8, 4                       ; m10=t0a+t3a (t0),  m8=t0a-t3a (t3)
     SUMSUB_BA            w,  2,  0, 4                       ;  m2=t1a+t2a (t1),  m0=t1a-t2a (t2)
     SUMSUB_BA            w,  9,  1, 4                       ;  m9=t4a+t5a (t4),  m1=t4a-t5a (t5a)
@@ -270,6 +205,26 @@ cglobal vp9_idct_idct_4x4_add, 4,4,0, dst, stride, block, eob
     VP9_IDCT8_1D_FINALIZE
 %endmacro
 
+%macro VP9_IDCT8_4x4_1D 0
+    pmulhrsw            m0, m12                             ; m0=t1a/t0a
+    pmulhrsw           m10, m2, [pw_15137x2]                ; m10=t3a
+    pmulhrsw            m2, [pw_6270x2]                     ; m2=t2a
+    pmulhrsw           m11, m1, [pw_16069x2]                ; m11=t7a
+    pmulhrsw            m1, [pw_3196x2]                     ; m1=t4a
+    pmulhrsw            m9, m3, [pw_9102x2]                 ; m9=-t5a
+    pmulhrsw            m3, [pw_13623x2]                    ; m3=t6a
+    psubw               m8, m0, m10                         ; m8=t0a-t3a (t3)
+    paddw              m10, m0                              ; m10=t0a+t3a (t0)
+    SUMSUB_BA            w,  2,  0, 4                       ;  m2=t1a+t2a (t1),  m0=t1a-t2a (t2)
+    SUMSUB_BA            w,  9,  1, 4                       ;  m1=t4a+t5a (t4),  m9=t4a-t5a (t5a)
+    SWAP                 1,  9
+    SUMSUB_BA            w,  3, 11, 4                       ;  m3=t7a+t6a (t7), m11=t7a-t6a (t6a)
+    SUMSUB_BA            w,  1, 11, 4                       ;  m1=t6a+t5a (t6), m11=t6a-t5a (t5)
+    pmulhrsw            m1, m12                             ; m1=t6
+    pmulhrsw           m11, m12                             ; m11=t5
+    VP9_IDCT8_1D_FINALIZE
+%endmacro
+
 ; TODO: a lot of t* copies can probably be removed and merged with
 ; following SUMSUBs from VP9_IDCT8_1D_FINALIZE with AVX
 %macro VP9_IDCT8_2x2_1D 0
@@ -295,19 +250,19 @@ cglobal vp9_idct_idct_4x4_add, 4,4,0, dst, stride, block, eob
     mova                m5, [pw_1024]
     pmulhrsw            m0, m5              ; (x*1024 + (1<<14))>>15 <=> (x+16)>>5
     pmulhrsw            m1, m5
-    VP9_STORE_2X        m0, m1
+    VP9_STORE_2X         0,  1,  6,  7,  4
     lea               dstq, [dstq+2*strideq]
     pmulhrsw            m2, m5
     pmulhrsw            m3, m5
-    VP9_STORE_2X        m2, m3
+    VP9_STORE_2X         2,  3,  6,  7,  4
     lea               dstq, [dstq+2*strideq]
     pmulhrsw            m8, m5
     pmulhrsw            m9, m5
-    VP9_STORE_2X        m8, m9
+    VP9_STORE_2X         8,  9,  6,  7,  4
     lea               dstq, [dstq+2*strideq]
     pmulhrsw           m10, m5
     pmulhrsw           m11, m5
-    VP9_STORE_2X       m10, m11
+    VP9_STORE_2X        10, 11,  6,  7,  4
 %endmacro
 
 INIT_XMM ssse3
@@ -315,9 +270,12 @@ cglobal vp9_idct_idct_8x8_add, 4,4,13, dst, stride, block, eob
 
     mova               m12, [pw_11585x2]    ; often used
 
-    cmp eobd, 3 ; top left corner or less
+    cmp eobd, 12 ; top left half or less
     jg .idctfull
 
+    cmp eobd, 3  ; top left corner or less
+    jg .idcthalf
+
     cmp eobd, 1 ; faster path for when only DC is set
     jne .idcttopleftcorner
 
@@ -329,13 +287,13 @@ cglobal vp9_idct_idct_8x8_add, 4,4,13, dst, stride, block, eob
     movd          [blockq], m4
     mova                m5, [pw_1024]
     pmulhrsw            m0, m5              ; (x*1024 + (1<<14))>>15 <=> (x+16)>>5
-    VP9_STORE_2X        m0, m0
+    VP9_STORE_2X         0,  0,  6,  7,  4
     lea               dstq, [dstq+2*strideq]
-    VP9_STORE_2X        m0, m0
+    VP9_STORE_2X         0,  0,  6,  7,  4
     lea               dstq, [dstq+2*strideq]
-    VP9_STORE_2X        m0, m0
+    VP9_STORE_2X         0,  0,  6,  7,  4
     lea               dstq, [dstq+2*strideq]
-    VP9_STORE_2X        m0, m0
+    VP9_STORE_2X         0,  0,  6,  7,  4
     RET
 
 ; faster path for when only left corner is set (3 input: DC, right to DC, below
@@ -354,6 +312,22 @@ cglobal vp9_idct_idct_8x8_add, 4,4,13, dst, stride, block, eob
     VP9_IDCT8_WRITEOUT
     RET
 
+.idcthalf:
+    movh                m0, [blockq + 0]
+    movh                m1, [blockq +16]
+    movh                m2, [blockq +32]
+    movh                m3, [blockq +48]
+    VP9_IDCT8_4x4_1D
+    TRANSPOSE8x8W  0, 1, 2, 3, 8, 9, 10, 11, 4
+    VP9_IDCT8_4x4_1D
+    pxor                m4, m4
+    movh       [blockq+ 0], m4
+    movh       [blockq+16], m4
+    movh       [blockq+32], m4
+    movh       [blockq+48], m4
+    VP9_IDCT8_WRITEOUT
+    RET
+
 .idctfull: ; generic full 8x8 idct/idct
     mova                m0, [blockq+  0]    ; IN(0)
     mova                m1, [blockq+ 16]    ; IN(1)
@@ -379,196 +353,3 @@ cglobal vp9_idct_idct_8x8_add, 4,4,13, dst, stride, block, eob
     VP9_IDCT8_WRITEOUT
     RET
 %endif
-
-
-%macro filter_h_fn 1
-%assign %%px mmsize/2
-cglobal %1_8tap_1d_h_ %+ %%px, 6, 6, 11, dst, dstride, src, sstride, h, filtery
-    mova        m6, [pw_256]
-    mova        m7, [filteryq+ 0]
-%if ARCH_X86_64 && mmsize > 8
-    mova        m8, [filteryq+16]
-    mova        m9, [filteryq+32]
-    mova       m10, [filteryq+48]
-%endif
-.loop:
-    movh        m0, [srcq-3]
-    movh        m1, [srcq-2]
-    movh        m2, [srcq-1]
-    movh        m3, [srcq+0]
-    movh        m4, [srcq+1]
-    movh        m5, [srcq+2]
-    punpcklbw   m0, m1
-    punpcklbw   m2, m3
-    movh        m1, [srcq+3]
-    movh        m3, [srcq+4]
-    add       srcq, sstrideq
-    punpcklbw   m4, m5
-    punpcklbw   m1, m3
-    pmaddubsw   m0, m7
-%if ARCH_X86_64 && mmsize > 8
-    pmaddubsw   m2, m8
-    pmaddubsw   m4, m9
-    pmaddubsw   m1, m10
-%else
-    pmaddubsw   m2, [filteryq+16]
-    pmaddubsw   m4, [filteryq+32]
-    pmaddubsw   m1, [filteryq+48]
-%endif
-    paddw       m0, m2
-    paddw       m4, m1
-    paddsw      m0, m4
-    pmulhrsw    m0, m6
-%ifidn %1, avg
-    movh        m1, [dstq]
-%endif
-    packuswb    m0, m0
-%ifidn %1, avg
-    pavgb       m0, m1
-%endif
-    movh    [dstq], m0
-    add       dstq, dstrideq
-    dec         hd
-    jg .loop
-    RET
-%endmacro
-
-INIT_MMX ssse3
-filter_h_fn put
-filter_h_fn avg
-
-INIT_XMM ssse3
-filter_h_fn put
-filter_h_fn avg
-
-%macro filter_v_fn 1
-%assign %%px mmsize/2
-%if ARCH_X86_64
-cglobal %1_8tap_1d_v_ %+ %%px, 6, 8, 11, dst, dstride, src, sstride, h, filtery, src4, sstride3
-%else
-cglobal %1_8tap_1d_v_ %+ %%px, 4, 7, 11, dst, dstride, src, sstride, filtery, src4, sstride3
-    mov   filteryq, r5mp
-%define hd r4mp
-%endif
-    sub       srcq, sstrideq
-    lea  sstride3q, [sstrideq*3]
-    sub       srcq, sstrideq
-    mova        m6, [pw_256]
-    sub       srcq, sstrideq
-    mova        m7, [filteryq+ 0]
-    lea      src4q, [srcq+sstrideq*4]
-%if ARCH_X86_64 && mmsize > 8
-    mova        m8, [filteryq+16]
-    mova        m9, [filteryq+32]
-    mova       m10, [filteryq+48]
-%endif
-.loop:
-    ; FIXME maybe reuse loads from previous rows, or just
-    ; more generally unroll this to prevent multiple loads of
-    ; the same data?
-    movh        m0, [srcq]
-    movh        m1, [srcq+sstrideq]
-    movh        m2, [srcq+sstrideq*2]
-    movh        m3, [srcq+sstride3q]
-    movh        m4, [src4q]
-    movh        m5, [src4q+sstrideq]
-    punpcklbw   m0, m1
-    punpcklbw   m2, m3
-    movh        m1, [src4q+sstrideq*2]
-    movh        m3, [src4q+sstride3q]
-    add       srcq, sstrideq
-    add      src4q, sstrideq
-    punpcklbw   m4, m5
-    punpcklbw   m1, m3
-    pmaddubsw   m0, m7
-%if ARCH_X86_64 && mmsize > 8
-    pmaddubsw   m2, m8
-    pmaddubsw   m4, m9
-    pmaddubsw   m1, m10
-%else
-    pmaddubsw   m2, [filteryq+16]
-    pmaddubsw   m4, [filteryq+32]
-    pmaddubsw   m1, [filteryq+48]
-%endif
-    paddw       m0, m2
-    paddw       m4, m1
-    paddsw      m0, m4
-    pmulhrsw    m0, m6
-%ifidn %1, avg
-    movh        m1, [dstq]
-%endif
-    packuswb    m0, m0
-%ifidn %1, avg
-    pavgb       m0, m1
-%endif
-    movh    [dstq], m0
-    add       dstq, dstrideq
-    dec         hd
-    jg .loop
-    RET
-%endmacro
-
-INIT_MMX ssse3
-filter_v_fn put
-filter_v_fn avg
-
-INIT_XMM ssse3
-filter_v_fn put
-filter_v_fn avg
-
-%macro fpel_fn 6
-%if %2 == 4
-%define %%srcfn movh
-%define %%dstfn movh
-%else
-%define %%srcfn movu
-%define %%dstfn mova
-%endif
-
-%if %2 <= 16
-cglobal %1%2, 5, 7, 4, dst, dstride, src, sstride, h, dstride3, sstride3
-    lea  sstride3q, [sstrideq*3]
-    lea  dstride3q, [dstrideq*3]
-%else
-cglobal %1%2, 5, 5, 4, dst, dstride, src, sstride, h
-%endif
-.loop:
-    %%srcfn     m0, [srcq]
-    %%srcfn     m1, [srcq+s%3]
-    %%srcfn     m2, [srcq+s%4]
-    %%srcfn     m3, [srcq+s%5]
-    lea       srcq, [srcq+sstrideq*%6]
-%ifidn %1, avg
-    pavgb       m0, [dstq]
-    pavgb       m1, [dstq+d%3]
-    pavgb       m2, [dstq+d%4]
-    pavgb       m3, [dstq+d%5]
-%endif
-    %%dstfn [dstq], m0
-    %%dstfn [dstq+d%3], m1
-    %%dstfn [dstq+d%4], m2
-    %%dstfn [dstq+d%5], m3
-    lea       dstq, [dstq+dstrideq*%6]
-    sub         hd, %6
-    jnz .loop
-    RET
-%endmacro
-
-%define d16 16
-%define s16 16
-INIT_MMX mmx
-fpel_fn put, 4,  strideq, strideq*2, stride3q, 4
-fpel_fn put, 8,  strideq, strideq*2, stride3q, 4
-INIT_MMX sse
-fpel_fn avg, 4,  strideq, strideq*2, stride3q, 4
-fpel_fn avg, 8,  strideq, strideq*2, stride3q, 4
-INIT_XMM sse
-fpel_fn put, 16, strideq, strideq*2, stride3q, 4
-fpel_fn put, 32, mmsize,  strideq,   strideq+mmsize, 2
-fpel_fn put, 64, mmsize,  mmsize*2,  mmsize*3, 1
-INIT_XMM sse2
-fpel_fn avg, 16, strideq, strideq*2, stride3q, 4
-fpel_fn avg, 32, mmsize,  strideq,   strideq+mmsize, 2
-fpel_fn avg, 64, mmsize,  mmsize*2,  mmsize*3, 1
-%undef s16
-%undef d16
diff --git a/libavcodec/x86/vp9mc.asm b/libavcodec/x86/vp9mc.asm
new file mode 100644
index 0000000000..21c38b4f0d
--- /dev/null
+++ b/libavcodec/x86/vp9mc.asm
@@ -0,0 +1,278 @@
+;******************************************************************************
+;* VP9 MC SIMD optimizations
+;*
+;* Copyright (c) 2013 Ronald S. Bultje <rsbultje gmail com>
+;*
+;* This file is part of FFmpeg.
+;*
+;* FFmpeg is free software; you can redistribute it and/or
+;* modify it under the terms of the GNU Lesser General Public
+;* License as published by the Free Software Foundation; either
+;* version 2.1 of the License, or (at your option) any later version.
+;*
+;* FFmpeg is distributed in the hope that it will be useful,
+;* but WITHOUT ANY WARRANTY; without even the implied warranty of
+;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+;* Lesser General Public License for more details.
+;*
+;* You should have received a copy of the GNU Lesser General Public
+;* License along with FFmpeg; if not, write to the Free Software
+;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+;******************************************************************************
+
+%include "libavutil/x86/x86util.asm"
+
+SECTION_RODATA
+
+; FIXME share with vp8dsp.asm
+pw_256:   times 8 dw 256
+
+%macro F8_TAPS 8
+times 8 db %1, %2
+times 8 db %3, %4
+times 8 db %5, %6
+times 8 db %7, %8
+%endmacro
+; int8_t ff_filters_ssse3[3][15][4][16]
+const filters_ssse3 ; smooth
+                    F8_TAPS -3, -1,  32,  64,  38,   1, -3,  0
+                    F8_TAPS -2, -2,  29,  63,  41,   2, -3,  0
+                    F8_TAPS -2, -2,  26,  63,  43,   4, -4,  0
+                    F8_TAPS -2, -3,  24,  62,  46,   5, -4,  0
+                    F8_TAPS -2, -3,  21,  60,  49,   7, -4,  0
+                    F8_TAPS -1, -4,  18,  59,  51,   9, -4,  0
+                    F8_TAPS -1, -4,  16,  57,  53,  12, -4, -1
+                    F8_TAPS -1, -4,  14,  55,  55,  14, -4, -1
+                    F8_TAPS -1, -4,  12,  53,  57,  16, -4, -1
+                    F8_TAPS  0, -4,   9,  51,  59,  18, -4, -1
+                    F8_TAPS  0, -4,   7,  49,  60,  21, -3, -2
+                    F8_TAPS  0, -4,   5,  46,  62,  24, -3, -2
+                    F8_TAPS  0, -4,   4,  43,  63,  26, -2, -2
+                    F8_TAPS  0, -3,   2,  41,  63,  29, -2, -2
+                    F8_TAPS  0, -3,   1,  38,  64,  32, -1, -3
+                    ; regular
+                    F8_TAPS  0,  1,  -5, 126,   8,  -3,  1,  0
+                    F8_TAPS -1,  3, -10, 122,  18,  -6,  2,  0
+                    F8_TAPS -1,  4, -13, 118,  27,  -9,  3, -1
+                    F8_TAPS -1,  4, -16, 112,  37, -11,  4, -1
+                    F8_TAPS -1,  5, -18, 105,  48, -14,  4, -1
+                    F8_TAPS -1,  5, -19,  97,  58, -16,  5, -1
+                    F8_TAPS -1,  6, -19,  88,  68, -18,  5, -1
+                    F8_TAPS -1,  6, -19,  78,  78, -19,  6, -1
+                    F8_TAPS -1,  5, -18,  68,  88, -19,  6, -1
+                    F8_TAPS -1,  5, -16,  58,  97, -19,  5, -1
+                    F8_TAPS -1,  4, -14,  48, 105, -18,  5, -1
+                    F8_TAPS -1,  4, -11,  37, 112, -16,  4, -1
+                    F8_TAPS -1,  3,  -9,  27, 118, -13,  4, -1
+                    F8_TAPS  0,  2,  -6,  18, 122, -10,  3, -1
+                    F8_TAPS  0,  1,  -3,   8, 126,  -5,  1,  0
+                    ; sharp
+                    F8_TAPS -1,  3,  -7, 127,   8,  -3,  1,  0
+                    F8_TAPS -2,  5, -13, 125,  17,  -6,  3, -1
+                    F8_TAPS -3,  7, -17, 121,  27, -10,  5, -2
+                    F8_TAPS -4,  9, -20, 115,  37, -13,  6, -2
+                    F8_TAPS -4, 10, -23, 108,  48, -16,  8, -3
+                    F8_TAPS -4, 10, -24, 100,  59, -19,  9, -3
+                    F8_TAPS -4, 11, -24,  90,  70, -21, 10, -4
+                    F8_TAPS -4, 11, -23,  80,  80, -23, 11, -4
+                    F8_TAPS -4, 10, -21,  70,  90, -24, 11, -4
+                    F8_TAPS -3,  9, -19,  59, 100, -24, 10, -4
+                    F8_TAPS -3,  8, -16,  48, 108, -23, 10, -4
+                    F8_TAPS -2,  6, -13,  37, 115, -20,  9, -4
+                    F8_TAPS -2,  5, -10,  27, 121, -17,  7, -3
+                    F8_TAPS -1,  3,  -6,  17, 125, -13,  5, -2
+                    F8_TAPS  0,  1,  -3,   8, 127,  -7,  3, -1
+
+SECTION .text
+
+%macro filter_h_fn 1
+%assign %%px mmsize/2
+cglobal %1_8tap_1d_h_ %+ %%px, 6, 6, 11, dst, dstride, src, sstride, h, filtery
+    mova        m6, [pw_256]
+    mova        m7, [filteryq+ 0]
+%if ARCH_X86_64 && mmsize > 8
+    mova        m8, [filteryq+16]
+    mova        m9, [filteryq+32]
+    mova       m10, [filteryq+48]
+%endif
+.loop:
+    movh        m0, [srcq-3]
+    movh        m1, [srcq-2]
+    movh        m2, [srcq-1]
+    movh        m3, [srcq+0]
+    movh        m4, [srcq+1]
+    movh        m5, [srcq+2]
+    punpcklbw   m0, m1
+    punpcklbw   m2, m3
+    movh        m1, [srcq+3]
+    movh        m3, [srcq+4]
+    add       srcq, sstrideq
+    punpcklbw   m4, m5
+    punpcklbw   m1, m3
+    pmaddubsw   m0, m7
+%if ARCH_X86_64 && mmsize > 8
+    pmaddubsw   m2, m8
+    pmaddubsw   m4, m9
+    pmaddubsw   m1, m10
+%else
+    pmaddubsw   m2, [filteryq+16]
+    pmaddubsw   m4, [filteryq+32]
+    pmaddubsw   m1, [filteryq+48]
+%endif
+    paddw       m0, m2
+    paddw       m4, m1
+    paddsw      m0, m4
+    pmulhrsw    m0, m6
+%ifidn %1, avg
+    movh        m1, [dstq]
+%endif
+    packuswb    m0, m0
+%ifidn %1, avg
+    pavgb       m0, m1
+%endif
+    movh    [dstq], m0
+    add       dstq, dstrideq
+    dec         hd
+    jg .loop
+    RET
+%endmacro
+
+INIT_MMX ssse3
+filter_h_fn put
+filter_h_fn avg
+
+INIT_XMM ssse3
+filter_h_fn put
+filter_h_fn avg
+
+%macro filter_v_fn 1
+%assign %%px mmsize/2
+%if ARCH_X86_64
+cglobal %1_8tap_1d_v_ %+ %%px, 6, 8, 11, dst, dstride, src, sstride, h, filtery, src4, sstride3
+%else
+cglobal %1_8tap_1d_v_ %+ %%px, 4, 7, 11, dst, dstride, src, sstride, filtery, src4, sstride3
+    mov   filteryq, r5mp
+%define hd r4mp
+%endif
+    sub       srcq, sstrideq
+    lea  sstride3q, [sstrideq*3]
+    sub       srcq, sstrideq
+    mova        m6, [pw_256]
+    sub       srcq, sstrideq
+    mova        m7, [filteryq+ 0]
+    lea      src4q, [srcq+sstrideq*4]
+%if ARCH_X86_64 && mmsize > 8
+    mova        m8, [filteryq+16]
+    mova        m9, [filteryq+32]
+    mova       m10, [filteryq+48]
+%endif
+.loop:
+    ; FIXME maybe reuse loads from previous rows, or just
+    ; more generally unroll this to prevent multiple loads of
+    ; the same data?
+    movh        m0, [srcq]
+    movh        m1, [srcq+sstrideq]
+    movh        m2, [srcq+sstrideq*2]
+    movh        m3, [srcq+sstride3q]
+    movh        m4, [src4q]
+    movh        m5, [src4q+sstrideq]
+    punpcklbw   m0, m1
+    punpcklbw   m2, m3
+    movh        m1, [src4q+sstrideq*2]
+    movh        m3, [src4q+sstride3q]
+    add       srcq, sstrideq
+    add      src4q, sstrideq
+    punpcklbw   m4, m5
+    punpcklbw   m1, m3
+    pmaddubsw   m0, m7
+%if ARCH_X86_64 && mmsize > 8
+    pmaddubsw   m2, m8
+    pmaddubsw   m4, m9
+    pmaddubsw   m1, m10
+%else
+    pmaddubsw   m2, [filteryq+16]
+    pmaddubsw   m4, [filteryq+32]
+    pmaddubsw   m1, [filteryq+48]
+%endif
+    paddw       m0, m2
+    paddw       m4, m1
+    paddsw      m0, m4
+    pmulhrsw    m0, m6
+%ifidn %1, avg
+    movh        m1, [dstq]
+%endif
+    packuswb    m0, m0
+%ifidn %1, avg
+    pavgb       m0, m1
+%endif
+    movh    [dstq], m0
+    add       dstq, dstrideq
+    dec         hd
+    jg .loop
+    RET
+%endmacro
+
+INIT_MMX ssse3
+filter_v_fn put
+filter_v_fn avg
+
+INIT_XMM ssse3
+filter_v_fn put
+filter_v_fn avg
+
+%macro fpel_fn 6
+%if %2 == 4
+%define %%srcfn movh
+%define %%dstfn movh
+%else
+%define %%srcfn movu
+%define %%dstfn mova
+%endif
+
+%if %2 <= 16
+cglobal %1%2, 5, 7, 4, dst, dstride, src, sstride, h, dstride3, sstride3
+    lea  sstride3q, [sstrideq*3]
+    lea  dstride3q, [dstrideq*3]
+%else
+cglobal %1%2, 5, 5, 4, dst, dstride, src, sstride, h
+%endif
+.loop:
+    %%srcfn     m0, [srcq]
+    %%srcfn     m1, [srcq+s%3]
+    %%srcfn     m2, [srcq+s%4]
+    %%srcfn     m3, [srcq+s%5]
+    lea       srcq, [srcq+sstrideq*%6]
+%ifidn %1, avg
+    pavgb       m0, [dstq]
+    pavgb       m1, [dstq+d%3]
+    pavgb       m2, [dstq+d%4]
+    pavgb       m3, [dstq+d%5]
+%endif
+    %%dstfn [dstq], m0
+    %%dstfn [dstq+d%3], m1
+    %%dstfn [dstq+d%4], m2
+    %%dstfn [dstq+d%5], m3
+    lea       dstq, [dstq+dstrideq*%6]
+    sub         hd, %6
+    jnz .loop
+    RET
+%endmacro
+
+%define d16 16
+%define s16 16
+INIT_MMX mmx
+fpel_fn put, 4,  strideq, strideq*2, stride3q, 4
+fpel_fn put, 8,  strideq, strideq*2, stride3q, 4
+INIT_MMX sse
+fpel_fn avg, 4,  strideq, strideq*2, stride3q, 4
+fpel_fn avg, 8,  strideq, strideq*2, stride3q, 4
+INIT_XMM sse
+fpel_fn put, 16, strideq, strideq*2, stride3q, 4
+fpel_fn put, 32, mmsize,  strideq,   strideq+mmsize, 2
+fpel_fn put, 64, mmsize,  mmsize*2,  mmsize*3, 1
+INIT_XMM sse2
+fpel_fn avg, 16, strideq, strideq*2, stride3q, 4
+fpel_fn avg, 32, mmsize,  strideq,   strideq+mmsize, 2
+fpel_fn avg, 64, mmsize,  mmsize*2,  mmsize*3, 1
+%undef s16
+%undef d16