ref: f49f4c1476e84c0a655bd169f2e47461f32ffbab
dir: /codec/decoder/core/x86/dct.asm/
;*!
;* \copy
;* Copyright (c) 2009-2013, Cisco Systems
;* All rights reserved.
;*
;* Redistribution and use in source and binary forms, with or without
;* modification, are permitted provided that the following conditions
;* are met:
;*
;* ?Redistributions of source code must retain the above copyright
;* notice, this list of conditions and the following disclaimer.
;*
;* ?Redistributions in binary form must reproduce the above copyright
;* notice, this list of conditions and the following disclaimer in
;* the documentation and/or other materials provided with the
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;* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
;* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
;* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
;* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
;* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
;* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
;* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
;* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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;*
;*
;* dct.asm
;*
;* Abstract
;* WelsDctFourT4_sse2
;*
;* History
;* 8/4/2009 Created
;*
;*
;*************************************************************************/
%include "asm_inc.asm"
SECTION .text
;void WelsBlockZero16x16_sse2(int16_t * block, int32_t stride);
WELS_EXTERN WelsBlockZero16x16_sse2
%assign push_num 0
LOAD_2_PARA
SIGN_EXTENSION r1, r1d
shl r1, 1
pxor xmm0, xmm0
%rep 16
movdqa [r0], xmm0
movdqa [r0+16], xmm0
add r0, r1
%endrep
ret
;void WelsBlockZero8x8_sse2(int16_t * block, int32_t stride);
WELS_EXTERN WelsBlockZero8x8_sse2
%assign push_num 0
LOAD_2_PARA
SIGN_EXTENSION r1, r1d
shl r1, 1
pxor xmm0, xmm0
%rep 8
movdqa [r0], xmm0
add r0, r1
%endrep
ret