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Diffstat (limited to 'arch/alpha/include/asm/string.h')
-rw-r--r--arch/alpha/include/asm/string.h40
1 files changed, 27 insertions, 13 deletions
diff --git a/arch/alpha/include/asm/string.h b/arch/alpha/include/asm/string.h
index b02b8a282940..f043f91ff988 100644
--- a/arch/alpha/include/asm/string.h
+++ b/arch/alpha/include/asm/string.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ALPHA_STRING_H__
#define __ALPHA_STRING_H__
@@ -22,15 +23,27 @@ extern void * __memcpy(void *, const void *, size_t);
#define __HAVE_ARCH_MEMSET
extern void * __constant_c_memset(void *, unsigned long, size_t);
+extern void * ___memset(void *, int, size_t);
extern void * __memset(void *, int, size_t);
extern void * memset(void *, int, size_t);
-#define memset(s, c, n) \
-(__builtin_constant_p(c) \
- ? (__builtin_constant_p(n) && (c) == 0 \
- ? __builtin_memset((s),0,(n)) \
- : __constant_c_memset((s),0x0101010101010101UL*(unsigned char)(c),(n))) \
- : __memset((s),(c),(n)))
+/* For gcc 3.x, we cannot have the inline function named "memset" because
+ the __builtin_memset will attempt to resolve to the inline as well,
+ leading to a "sorry" about unimplemented recursive inlining. */
+extern inline void *__memset(void *s, int c, size_t n)
+{
+ if (__builtin_constant_p(c)) {
+ if (__builtin_constant_p(n)) {
+ return __builtin_memset(s, c, n);
+ } else {
+ unsigned long c8 = (c & 0xff) * 0x0101010101010101UL;
+ return __constant_c_memset(s, c8, n);
+ }
+ }
+ return ___memset(s, c, n);
+}
+
+#define memset __memset
#define __HAVE_ARCH_STRCPY
extern char * strcpy(char *,const char *);
@@ -53,13 +66,14 @@ extern void * memchr(const void *, int, size_t);
aligned values. The DEST and COUNT parameters must be even for
correct operation. */
-#define __HAVE_ARCH_MEMSETW
-extern void * __memsetw(void *dest, unsigned short, size_t count);
-
-#define memsetw(s, c, n) \
-(__builtin_constant_p(c) \
- ? __constant_c_memset((s),0x0001000100010001UL*(unsigned short)(c),(n)) \
- : __memsetw((s),(c),(n)))
+#define __HAVE_ARCH_MEMSET16
+extern void * __memset16(void *dest, unsigned short, size_t count);
+static inline void *memset16(uint16_t *p, uint16_t v, size_t n)
+{
+ if (__builtin_constant_p(v))
+ return __constant_c_memset(p, 0x0001000100010001UL * v, n * 2);
+ return __memset16(p, v, n * 2);
+}
#endif /* __KERNEL__ */