blob: 85873c3554fbd79d5916f7b752ccf09ab5b32551 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
///
/// \file
/// This file contains basic implementations of Scalable Matrix Extension (SME)
/// compatible memset and memchr functions to be used when their assembly-
/// optimized counterparts can't.
///
//===----------------------------------------------------------------------===//
#include <stddef.h>
extern void *__arm_sc_memset(void *dest, int c,
size_t n) __arm_streaming_compatible {
unsigned char *destp = (unsigned char *)dest;
unsigned char c8 = (unsigned char)c;
for (size_t i = 0; i < n; ++i)
destp[i] = c8;
return dest;
}
extern const void *__arm_sc_memchr(const void *src, int c,
size_t n) __arm_streaming_compatible {
const unsigned char *srcp = (const unsigned char *)src;
unsigned char c8 = (unsigned char)c;
for (size_t i = 0; i < n; ++i)
if (srcp[i] == c8)
return &srcp[i];
return NULL;
}
|
