diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 1994-12-01 08:00:00 +0000 |
|---|---|---|
| committer | <ralf@linux-mips.org> | 1994-12-01 08:00:00 +0000 |
| commit | 90ecc248e200fee448001248dde0ca540dd3ef64 (patch) | |
| tree | a3fe89494ce63b4835f0f9cf5c45e74cde88252b /include/asm-mips/string.h | |
| parent | 1513ff9b7899ab588401c89db0e99903dbf5f886 (diff) | |
Import of Linux/MIPS 1.1.68
Diffstat (limited to 'include/asm-mips/string.h')
| -rw-r--r-- | include/asm-mips/string.h | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/include/asm-mips/string.h b/include/asm-mips/string.h index 06d4f2ce5..0116fd026 100644 --- a/include/asm-mips/string.h +++ b/include/asm-mips/string.h @@ -11,6 +11,8 @@ #ifndef _ASM_MIPS_STRING_H_ #define _ASM_MIPS_STRING_H_ +#include <asm/mipsregs.h> + #define __USE_PORTABLE_STRINGS_H_ extern inline char * strcpy(char * dest,const char *src) @@ -77,7 +79,8 @@ extern inline int strcmp(const char * cs,const char * ct) "bne\t$1,%2,2f\n\t" "addiu\t%1,%1,1\n\t" "bne\t$0,%2,1b\n\t" - "lbu\t%2,(%0)\n" + "lbu\t%2,(%0)\n\t" + STR(FILL_LDS) "\n\t" "move\t%2,$1\n" "2:\tsub\t%2,%2,$1\n" "3:\t.set\tat\n\t" @@ -206,4 +209,24 @@ extern inline void * memmove(void * dest,const void * src, size_t n) #define __USE_PORTABLE_memcmp +static inline char * memscan(void * addr, unsigned char c, int size) +{ + if (!size) + return addr; + __asm__(".set\tnoreorder\n\t" + ".set\tnoat\n" + "1:\tbeq\t$0,%1,2f\n\t" + "lbu\t$1,(%0)\n\t" + "subu\t%1,%1,1\n\t" + "bne\t$0,%1,1b\n\t" + "addiu\t%0,%0,1\n\t" + ".set\tat\n\t" + ".set\treorder\n" + "2:" + : "=d" (addr), "=d" (size) + : "0" (addr), "1" (size), "d" (c) + : "$1"); + + return addr; +} #endif /* _ASM_MIPS_STRING_H_ */ |