-/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
Contributed by Richard Henderson (rth@tamu.edu)
This file is part of the GNU C Library.
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, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
/* Copy a null-terminated string from SRC to DST.
.set noreorder
.text
+ .type __stxcpy, @function
+ .globl __stxcpy
+ .usepv __stxcpy, no
-/* There is a problem with either gdb (as of 4.16) or gas (as of 2.7) that
- doesn't like putting the entry point for a procedure somewhere in the
- middle of the procedure descriptor. Work around this by putting the
- aligned copy in its own procedure descriptor */
-
- .ent stxcpy_aligned
- .align 3
-stxcpy_aligned:
- .frame sp, 0, t9
- .prologue 0
+ cfi_startproc
+ cfi_return_column (t9)
/* On entry to this basic block:
t0 == the first destination word for masking back in
t1 == the first source word. */
-
+ .align 3
+stxcpy_aligned:
/* Create the 1st output word and detect 0's in the 1st input word. */
lda t2, -1 # e1 : build a mask against false zero
mskqh t2, a1, t2 # e0 : detection in the src word
/* On entry to this basic block:
t0 == the first destination word for masking back in
t1 == a source word not containing a null. */
-
$a_loop:
stq_u t1, 0(a0) # e0 :
addq a0, 8, a0 # .. e1 :
1: stq_u t1, 0(a0) # e0 :
ret (t9) # .. e1 :
- .end stxcpy_aligned
-
.align 3
- .ent __stxcpy
- .globl __stxcpy
__stxcpy:
- .frame sp, 0, t9
- .prologue 0
-
/* Are source and destination co-aligned? */
xor a0, a1, t0 # e0 :
unop # :
stq_u t1, 0(a0) # .. e0 :
ret (t9)
- .end __stxcpy
+ cfi_endproc