diff options
Diffstat (limited to 'ports/sysdeps/alpha/alphaev67/stpcpy.S')
| -rw-r--r-- | ports/sysdeps/alpha/alphaev67/stpcpy.S | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/ports/sysdeps/alpha/alphaev67/stpcpy.S b/ports/sysdeps/alpha/alphaev67/stpcpy.S new file mode 100644 index 0000000000..dc2dd81a20 --- /dev/null +++ b/ports/sysdeps/alpha/alphaev67/stpcpy.S @@ -0,0 +1,53 @@ +/* Copyright (C) 2000, 2002, 2004 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Richard Henderson <rth@redhat.com>. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + <http://www.gnu.org/licenses/>. */ + +/* Copy SRC to DEST returning the address of the terminating 0 in DEST. */ + +#include <sysdep.h> + + .arch ev6 + .set noreorder + .set noat + .text + +ENTRY(__stpcpy) + ldgp gp, 0(pv) +#ifdef PROF + lda AT, _mcount + jsr AT, (AT), _mcount +#endif + .prologue 1 + + .align 4 + mov a0, v0 + nop + jsr t9, __stxcpy + + # t8 = bitmask (with one bit set) indicating the last byte written + # a0 = unaligned address of the last *word* written + + cttz t8, t8 + andnot a0, 7, a0 + addq a0, t8, v0 + ret + + END(__stpcpy) + +weak_alias (__stpcpy, stpcpy) +libc_hidden_def (__stpcpy) +libc_hidden_builtin_def (stpcpy) |