Revert 194465 "media: Add support for playback for VP8 Alpha vid..."

trunk/src/media/base/simd/convert_yuva_to_argb_mmx.inc

Index: trunk/src/media/base/simd/convert_yuva_to_argb_mmx.inc
===================================================================
--- trunk/src/media/base/simd/convert_yuva_to_argb_mmx.inc	(revision 194468)
+++ trunk/src/media/base/simd/convert_yuva_to_argb_mmx.inc	(working copy)
@@ -1,174 +0,0 @@
-; Copyright (c) 2011 The Chromium Authors. All rights reserved.
-; Use of this source code is governed by a BSD-style license that can be
-; found in the LICENSE file.
-
-  global    mangle(SYMBOL) PRIVATE
-  align     function_align
-
-; Non-PIC code is the fastest so use this if possible.
-%ifndef PIC
-mangle(SYMBOL):
-  %assign   stack_offset 0
-  PROLOGUE  6, 7, 3, Y, U, V, A, ARGB, WIDTH, TEMP
-  extern    mangle(kCoefficientsRgbY)
-  jmp       .convertend
-
-.convertloop:
-  movzx     TEMPd, BYTE [Uq]
-  movq      mm0, [mangle(kCoefficientsRgbY) + 2048 + 8 * TEMPq]
-  add       Uq, 1
-  movzx     TEMPd, BYTE [Vq]
-  paddsw    mm0, [mangle(kCoefficientsRgbY) + 4096 + 8 * TEMPq]
-  add       Vq, 1
-  movzx     TEMPd, BYTE [Yq]
-  movq      mm1, [mangle(kCoefficientsRgbY) + 8 * TEMPq]
-  movzx     TEMPd, BYTE [Yq + 1]
-  movq      mm2, [mangle(kCoefficientsRgbY) + 8 * TEMPq]
-  add       Yq, 2
-  paddsw    mm1, mm0
-  paddsw    mm2, mm0
-  psraw     mm1, 6
-  psraw     mm2, 6
-  packuswb  mm1, mm2
-
-  ; Multiply ARGB by alpha value.
-  movq      mm0, mm1
-  pxor      mm2, mm2
-  punpcklbw mm0, mm2
-  punpckhbw mm1, mm2
-  movzx     TEMPd, BYTE [Aq]
-  movq      mm2, [mangle(kCoefficientsRgbY) + 6144 + 8 * TEMPq]
-  pmullw    mm0, mm2
-  psrlw     mm0, 8
-  movzx     TEMPd, BYTE [Aq + 1]
-  movq      mm2, [mangle(kCoefficientsRgbY) + 6144 + 8 * TEMPq]
-  add       Aq, 2
-  pmullw    mm1, mm2
-  psrlw     mm1, 8
-  packuswb  mm0, mm1
-
-  MOVQ      [ARGBq], mm0
-  add       ARGBq, 8
-
-.convertend:
-  sub       WIDTHq, 2
-  jns       .convertloop
-
-  ; If number of pixels is odd then compute it.
-  and       WIDTHq, 1
-  jz        .convertdone
-
-  movzx     TEMPd, BYTE [Uq]
-  movq      mm0, [mangle(kCoefficientsRgbY) + 2048 + 8 * TEMPq]
-  movzx     TEMPd, BYTE [Vq]
-  paddsw    mm0, [mangle(kCoefficientsRgbY) + 4096 + 8 * TEMPq]
-  movzx     TEMPd, BYTE [Yq]
-  movq      mm1, [mangle(kCoefficientsRgbY) + 8 * TEMPq]
-  paddsw    mm1, mm0
-  psraw     mm1, 6
-  packuswb  mm1, mm1
-
-  ; Multiply ARGB by alpha value.
-  pxor      mm0, mm0
-  punpcklbw mm1, mm0
-  movzx     TEMPd, BYTE [Aq]
-  movq      mm0, [mangle(kCoefficientsRgbY) + 6144 + 8 * TEMPq]
-  pmullw    mm1, mm0
-  psrlw     mm1, 8
-  packuswb  mm1, mm1
-
-  movd      [ARGBq], mm1
-
-.convertdone:
-  RET
-%endif
-
-; With PIC code we need to load the address of mangle(kCoefficientsRgbY).
-; This code is slower than the above version.
-%ifdef PIC
-mangle(SYMBOL):
-  %assign   stack_offset 0
-  PROLOGUE  6, 7, 3, Y, U, V, A, ARGB, WIDTH, TEMP
-  extern    mangle(kCoefficientsRgbY)
-  PUSH      WIDTHq
-  DEFINE_ARGS Y, U, V, A, ARGB, TABLE, TEMP
-  LOAD_SYM  TABLEq, mangle(kCoefficientsRgbY)
-  jmp       .convertend
-
-.convertloop:
-  movzx     TEMPd, BYTE [Uq]
-  movq      mm0, [TABLEq + 2048 + 8 * TEMPq]
-  add       Uq, 1
-
-  movzx     TEMPd, BYTE [Vq]
-  paddsw    mm0, [TABLEq + 4096 + 8 * TEMPq]
-  add       Vq, 1
-
-  movzx     TEMPd, BYTE [Yq]
-  movq      mm1, [TABLEq + 8 * TEMPq]
-
-  movzx     TEMPd, BYTE [Yq + 1]
-  movq      mm2, [TABLEq + 8 * TEMPq]
-  add       Yq, 2
-
-  ; Add UV components to Y component.
-  paddsw    mm1, mm0
-  paddsw    mm2, mm0
-
-  ; Down shift and then pack.
-  psraw     mm1, 6
-  psraw     mm2, 6
-  packuswb  mm1, mm2
-
-  ; Unpack and multiply by alpha value, then repack high bytes of words.
-  movq      mm0, mm1
-  pxor      mm2, mm2
-  punpcklbw mm0, mm2
-  punpckhbw mm1, mm2
-  movzx     TEMPd, BYTE [Aq]
-  movq      mm2, [TABLEq + 6144 + 8 * TEMPq]
-  pmullw    mm0, mm2
-  psrlw     mm0, 8
-  movzx     TEMPd, BYTE [Aq + 1]
-  movq      mm2, [TABLEq + 6144 + 8 * TEMPq]
-  add       Aq, 2
-  pmullw    mm1, mm2
-  psrlw     mm1, 8
-  packuswb  mm0, mm1
-
-  MOVQ      [ARGBq], mm0
-  add       ARGBq, 8
-
-.convertend:
-  sub       dword [rsp], 2
-  jns       .convertloop
-
-  ; If number of pixels is odd then compute it.
-  and       dword [rsp], 1
-  jz        .convertdone
-
-  movzx     TEMPd, BYTE [Uq]
-  movq      mm0, [TABLEq + 2048 + 8 * TEMPq]
-  movzx     TEMPd, BYTE [Vq]
-  paddsw    mm0, [TABLEq + 4096 + 8 * TEMPq]
-  movzx     TEMPd, BYTE [Yq]
-  movq      mm1, [TABLEq + 8 * TEMPq]
-  paddsw    mm1, mm0
-  psraw     mm1, 6
-  packuswb  mm1, mm1
-
-  ; Multiply ARGB by alpha value.
-  pxor      mm0, mm0
-  punpcklbw mm1, mm0
-  movzx     TEMPd, BYTE [Aq]
-  movq      mm0, [TABLEq + 6144 + 8 * TEMPq]
-  pmullw    mm1, mm0
-  psrlw     mm1, 8
-  packuswb  mm1, mm1
-
-  movd      [ARGBq], mm1
-
-.convertdone:
-  POP       TABLEq
-  RET
-%endif