57f6bcc4b0
Previously the assembly sources had mixed indentation consisting of both spaces and tabs, making it quite hard to read unless the right tab size was used in the editor. Tabs have been interpreted as 4 spaces in most cases, matching the surrounding code.
133 lines
3.9 KiB
NASM
133 lines
3.9 KiB
NASM
;*!
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;* \copy
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;* Copyright (c) 2009-2013, Cisco Systems
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;* All rights reserved.
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;*
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;* Redistribution and use in source and binary forms, with or without
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;* modification, are permitted provided that the following conditions
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;* are met:
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;*
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;* * Redistributions of source code must retain the above copyright
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;* notice, this list of conditions and the following disclaimer.
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;*
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;* * Redistributions in binary form must reproduce the above copyright
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;* notice, this list of conditions and the following disclaimer in
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;* the documentation and/or other materials provided with the
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;* distribution.
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;*
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;* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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;* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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;* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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;* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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;* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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;* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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;* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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;* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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;* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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;* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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;* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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;* POSSIBILITY OF SUCH DAMAGE.
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;*
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;*
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;* memzero.asm
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;*
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;* Abstract
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;*
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;*
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;* History
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;* 9/16/2009 Created
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;*
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;*
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;*************************************************************************/
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%include "asm_inc.asm"
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;***********************************************************************
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; Code
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;***********************************************************************
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SECTION .text
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;***********************************************************************
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;void WelsPrefetchZero_mmx(int8_t const*_A);
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;***********************************************************************
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WELS_EXTERN WelsPrefetchZero_mmx
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%assign push_num 0
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LOAD_1_PARA
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prefetchnta [r0]
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ret
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;***********************************************************************
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; void WelsSetMemZeroAligned64_sse2(void *dst, int32_t size)
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;***********************************************************************
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WELS_EXTERN WelsSetMemZeroAligned64_sse2
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%assign push_num 0
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LOAD_2_PARA
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SIGN_EXTENSION r1, r1d
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neg r1
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pxor xmm0, xmm0
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.memzeroa64_sse2_loops:
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movdqa [r0], xmm0
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movdqa [r0+16], xmm0
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movdqa [r0+32], xmm0
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movdqa [r0+48], xmm0
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add r0, 0x40
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add r1, 0x40
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jnz near .memzeroa64_sse2_loops
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ret
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;***********************************************************************
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; void WelsSetMemZeroSize64_mmx(void *dst, int32_t size)
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;***********************************************************************
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WELS_EXTERN WelsSetMemZeroSize64_mmx
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%assign push_num 0
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LOAD_2_PARA
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SIGN_EXTENSION r1, r1d
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neg r1
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pxor mm0, mm0
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.memzero64_mmx_loops:
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movq [r0], mm0
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movq [r0+8], mm0
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movq [r0+16], mm0
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movq [r0+24], mm0
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movq [r0+32], mm0
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movq [r0+40], mm0
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movq [r0+48], mm0
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movq [r0+56], mm0
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add r0, 0x40
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add r1, 0x40
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jnz near .memzero64_mmx_loops
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WELSEMMS
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ret
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;***********************************************************************
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; void WelsSetMemZeroSize8_mmx(void *dst, int32_t size)
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;***********************************************************************
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WELS_EXTERN WelsSetMemZeroSize8_mmx
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%assign push_num 0
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LOAD_2_PARA
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SIGN_EXTENSION r1, r1d
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neg r1
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pxor mm0, mm0
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.memzero8_mmx_loops:
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movq [r0], mm0
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add r0, 0x08
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add r1, 0x08
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jnz near .memzero8_mmx_loops
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WELSEMMS
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ret
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