forked from Qortal/Brooklyn
68 lines
2.2 KiB
C
68 lines
2.2 KiB
C
/**************************************************************************
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*
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* Copyright 2020 Red Hat
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#include "pipe/p_config.h"
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static inline void *
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util_memset32(void *s, uint32_t ui, size_t n)
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{
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#if defined(PIPE_CC_GCC) && defined(PIPE_ARCH_X86_64)
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long d0, d1;
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__asm__ volatile("rep\n\t"
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"stosl"
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: "=&c" (d0), "=&D" (d1)
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: "a" (ui), "1" (s), "0" (n)
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: "memory");
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return s;
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#else
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uint32_t *xs = (uint32_t *)s;
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while (n--)
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*xs++ = ui;
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return s;
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#endif
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}
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static inline void *
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util_memset64(void *s, uint64_t ui, size_t n)
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{
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#if defined(PIPE_CC_GCC) && defined(PIPE_ARCH_X86_64)
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long d0, d1;
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__asm__ volatile("rep\n\t"
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"stosq"
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: "=&c" (d0), "=&D" (d1)
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: "a" (ui), "1" (s), "0" (n)
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: "memory");
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return s;
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#else
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uint64_t *xs = (uint64_t *)s;
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while (n--)
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*xs++ = ui;
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return s;
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#endif
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}
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