Alpha ev67 stpcpyrawmemchr implementation.

sysdeps/alpha/alphaev67/stpcpy.S

@@ -0,0 +1,52 @@
+/* Copyright (C) 2000 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 Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+/*  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)