diff options
Diffstat (limited to 'sysdeps/i386/memset.c')
| -rw-r--r-- | sysdeps/i386/memset.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/sysdeps/i386/memset.c b/sysdeps/i386/memset.c index 0cb6578df6..e7a8bc6d73 100644 --- a/sysdeps/i386/memset.c +++ b/sysdeps/i386/memset.c @@ -1,6 +1,6 @@ /* Set a block of memory to some byte value. For Intel 80x86, x>=3. - Copyright (C) 1991, 1992, 1993, 1997 Free Software Foundation, Inc. + Copyright (C) 1991, 1992, 1993, 1997, 1998 Free Software Foundation, Inc. Contributed by Torbjorn Granlund (tege@sics.se). The GNU C Library is free software; you can redistribute it and/or @@ -28,6 +28,7 @@ void * memset (void *dstpp, int c, size_t len) { + int d0; unsigned long int dstp = (unsigned long int) dstpp; /* This explicit register allocation @@ -55,25 +56,25 @@ memset (void *dstpp, int c, size_t len) /* Fill bytes until DSTP is aligned on a longword boundary. */ asm volatile("rep\n" "stosb" /* %0, %2, %3 */ : - "=D" (dstp) : - "0" (dstp), "c" ((-dstp) % OPSIZ), "a" (x) : - "cx"); + "=D" (dstp), "=c" (d0) : + "0" (dstp), "1" ((-dstp) % OPSIZ), "a" (x) : + "memory"); /* Fill longwords. */ asm volatile("rep\n" "stosl" /* %0, %2, %3 */ : - "=D" (dstp) : - "0" (dstp), "c" (len / OPSIZ), "a" (x) : - "cx"); + "=D" (dstp), "=c" (d0) : + "0" (dstp), "1" (len / OPSIZ), "a" (x) : + "memory"); len %= OPSIZ; } /* Write the last few bytes. */ asm volatile("rep\n" "stosb" /* %0, %2, %3 */ : - "=D" (dstp) : - "0" (dstp), "c" (len), "a" (x) : - "cx"); + "=D" (dstp), "=c" (d0) : + "0" (dstp), "1" (len), "a" (x) : + "memory"); return dstpp; } |