Add missing x264util.asm

diff --git a/common/x86/x86util.asm b/common/x86/x86util.asm
new file mode 100755 (executable)
index 0000000..3af8709
--- /dev/null
+++ b/common/x86/x86util.asm
@@ -0,0 +1,124 @@
+;*****************************************************************************
+;* x86inc.asm
+;*****************************************************************************
+;* Copyright (C) 2008 Loren Merritt <lorenm@u.washington.edu>
+;*
+;* This program is free software; you can redistribute it and/or modify
+;* it under the terms of the GNU General Public License as published by
+;* the Free Software Foundation; either version 2 of the License, or
+;* (at your option) any later version.
+;*
+;* This program 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 General Public License for more details.
+;*
+;* You should have received a copy of the GNU General Public License
+;* along with this program; if not, write to the Free Software
+;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111, USA.
+;*****************************************************************************
+
+%macro ABS1_MMX 2    ; a, tmp
+    pxor    %2, %2
+    psubw   %2, %1
+    pmaxsw  %1, %2
+%endmacro
+
+%macro ABS2_MMX 4    ; a, b, tmp0, tmp1
+    pxor    %3, %3
+    pxor    %4, %4
+    psubw   %3, %1
+    psubw   %4, %2
+    pmaxsw  %1, %3
+    pmaxsw  %2, %4
+%endmacro
+
+%macro ABS1_SSSE3 2
+    pabsw   %1, %1
+%endmacro
+
+%macro ABS2_SSSE3 4
+    pabsw   %1, %1
+    pabsw   %2, %2
+%endmacro
+
+%define ABS1 ABS1_MMX
+%define ABS2 ABS2_MMX
+
+%macro ABS4 6
+    ABS2 %1, %2, %5, %6
+    ABS2 %3, %4, %5, %6
+%endmacro
+
+%macro SUMSUB_BA 2
+    paddw   %1, %2
+    paddw   %2, %2
+    psubw   %2, %1
+%endmacro
+
+%macro SUMSUB_BADC 4
+    paddw   %1, %2
+    paddw   %3, %4
+    paddw   %2, %2
+    paddw   %4, %4
+    psubw   %2, %1
+    psubw   %4, %3
+%endmacro
+
+%macro HADAMARD8_1D 8
+    SUMSUB_BADC %1, %5, %2, %6
+    SUMSUB_BADC %3, %7, %4, %8
+    SUMSUB_BADC %1, %3, %2, %4
+    SUMSUB_BADC %5, %7, %6, %8
+    SUMSUB_BADC %1, %2, %3, %4
+    SUMSUB_BADC %5, %6, %7, %8
+%endmacro
+
+%macro SUMSUB2_AB 3
+    mova    %3, %1
+    paddw   %1, %1
+    paddw   %1, %2
+    psubw   %3, %2
+    psubw   %3, %2
+%endmacro
+
+%macro SUMSUBD2_AB 4
+    mova    %4, %1
+    mova    %3, %2
+    psraw   %2, 1
+    psraw   %4, 1
+    paddw   %1, %2
+    psubw   %4, %3
+%endmacro
+
+%macro LOAD_DIFF 5
+%ifidn %3, none
+    movh       %1, %4
+    movh       %2, %5
+    punpcklbw  %1, %2
+    punpcklbw  %2, %2
+    psubw      %1, %2
+%else
+    movh       %1, %4
+    punpcklbw  %1, %3
+    movh       %2, %5
+    punpcklbw  %2, %3
+    psubw      %1, %2
+%endif
+%endmacro
+
+%macro LOAD_DIFF_8x4P 6 ; 4x dest, 2x temp
+    LOAD_DIFF %1, %5, none, [r0],      [r2]
+    LOAD_DIFF %2, %6, none, [r0+r1],   [r2+r3]
+    LOAD_DIFF %3, %5, none, [r0+2*r1], [r2+2*r3]
+    LOAD_DIFF %4, %6, none, [r0+r4],   [r2+r5]
+%endmacro
+
+%macro STORE_DIFF 4
+    psraw      %1, 6
+    movh       %2, %4
+    punpcklbw  %2, %3
+    paddsw     %1, %2
+    packuswb   %1, %1
+    movh       %4, %1
+%endmacro