40 lines
858 B
ArmAsm
40 lines
858 B
ArmAsm
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/*
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* Copyright (C) 2012 Apple Computer, Inc. All rights reserved.
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*
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* This document is the property of Apple Computer, Inc.
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* It is considered confidential and proprietary.
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*
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* This document may not be reproduced or transmitted in any form,
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* in whole or in part, without the express written permission of
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* Apple Computer, Inc.
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*/
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/* void memset_16(uint8_t *ptr, uint8_t c, size_t count); */
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.text
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.align 2
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.globl _memset_16
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_memset_16:
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mov x3, x0
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cbz x1, L__memset_16_loop
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orr x1, x1, x1, lsl #8
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orr x1, x1, x1, lsl #16
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orr x1, x1, x1, lsl #32
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L__memset_16_loop:
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stp x1, x1, [x3], #16
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subs x2, x2, #16
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b.gt L__memset_16_loop
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ret
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/* void bzero_64(uint8_t *ptr, size_t count); */
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.text
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.align 2
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.globl _bzero_64
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_bzero_64:
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mov x2, x0
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L__bzero_64_loop:
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dc zva, x2
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add x2, x2, #64
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subs x1, x1, #64
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b.gt L__bzero_64_loop
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ret
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