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Diffstat (limited to 'sysdeps/alpha/strncpy.S')
| -rw-r--r-- | sysdeps/alpha/strncpy.S | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/sysdeps/alpha/strncpy.S b/sysdeps/alpha/strncpy.S deleted file mode 100644 index 5d3e72e280..0000000000 --- a/sysdeps/alpha/strncpy.S +++ /dev/null @@ -1,88 +0,0 @@ -/* Copyright (C) 1996, 1997, 2003 Free Software Foundation, Inc. - Contributed by Richard Henderson (rth@tamu.edu) - This file is part of the GNU C Library. - - 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, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -/* Copy no more than COUNT bytes of the null-terminated string from - SRC to DST. If SRC does not cover all of COUNT, the balance is - zeroed. */ - -#include <sysdep.h> - - .set noat - .set noreorder - - .text - -ENTRY(strncpy) - ldgp gp, 0(pv) -#ifdef PROF - lda AT, _mcount - jsr AT, (AT), _mcount -#endif - .prologue 1 - - mov a0, v0 # set return value now - beq a2, $zerocount - jsr t9, __stxncpy # do the work of the copy - - bne a2, $multiword # do we have full words left? - - .align 3 - subq t8, 1, t2 # e0 : guess not - subq t10, 1, t3 # .. e1 : - or t2, t8, t2 # e0 : clear the bits between the last - or t3, t10, t3 # .. e1 : written byte and the last byte in - andnot t3, t2, t3 # e0 : COUNT - zap t0, t3, t0 # e1 : - stq_u t0, 0(a0) # e0 : - ret # .. e1 : - -$multiword: - subq t8, 1, t7 # e0 : clear the final bits in the prev - or t7, t8, t7 # e1 : word - zapnot t0, t7, t0 # e0 : - subq a2, 1, a2 # .. e1 : - stq_u t0, 0(a0) # e0 : - addq a0, 8, a0 # .. e1 : - - beq a2, 1f # e1 : - blbc a2, 0f # e1 : - - stq_u zero, 0(a0) # e0 : zero one word - subq a2, 1, a2 # .. e1 : - addq a0, 8, a0 # e0 : - beq a2, 1f # .. e1 : - -0: stq_u zero, 0(a0) # e0 : zero two words - subq a2, 2, a2 # .. e1 : - stq_u zero, 8(a0) # e0 : - addq a0, 16, a0 # .. e1 : - bne a2, 0b # e1 : - unop - -1: ldq_u t0, 0(a0) # e0 : clear the leading bits in the final - subq t10, 1, t7 # .. e1 : word - or t7, t10, t7 # e0 : - zap t0, t7, t0 # e1 (stall) - stq_u t0, 0(a0) # e0 : - -$zerocount: - ret # .. e1 : - - END(strncpy) -libc_hidden_builtin_def (strncpy) |