diff options
Diffstat (limited to 'ports/sysdeps/alpha/strcat.S')
| -rw-r--r-- | ports/sysdeps/alpha/strcat.S | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/ports/sysdeps/alpha/strcat.S b/ports/sysdeps/alpha/strcat.S deleted file mode 100644 index 0b856a4ddc..0000000000 --- a/ports/sysdeps/alpha/strcat.S +++ /dev/null @@ -1,71 +0,0 @@ -/* Copyright (C) 1996-2014 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Richard Henderson <rth@tamu.edu>, 1996. - - 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/>. */ - -/* Append a null-terminated string from SRC to DST. */ - -#include <sysdep.h> - - .text - -ENTRY(strcat) - ldgp gp, 0(pv) -#ifdef PROF - .set noat - lda AT, _mcount - jsr AT, (AT), _mcount - .set at -#endif - .prologue 1 - - mov a0, v0 # set up return value - - /* Find the end of the string. */ - - ldq_u t0, 0(a0) # load first quadword (a0 may be misaligned) - lda t1, -1(zero) - insqh t1, a0, t1 - andnot a0, 7, a0 - or t1, t0, t0 - cmpbge zero, t0, t1 # t1 <- bitmask: bit i == 1 <==> i-th byte == 0 - bne t1, $found - -$loop: ldq t0, 8(a0) - addq a0, 8, a0 # addr += 8 - cmpbge zero, t0, t1 - beq t1, $loop - -$found: negq t1, t2 # clear all but least set bit - and t1, t2, t1 - - and t1, 0xf0, t2 # binary search for that set bit - and t1, 0xcc, t3 - and t1, 0xaa, t4 - cmovne t2, 4, t2 - cmovne t3, 2, t3 - cmovne t4, 1, t4 - addq t2, t3, t2 - addq a0, t4, a0 - addq a0, t2, a0 - - /* Now do the append. */ - - mov ra, t9 - jmp $31, __stxcpy - - END(strcat) -libc_hidden_builtin_def (strcat) |