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Diffstat (limited to 'sysdeps/alpha/alphaev67/stpncpy.S')
| -rw-r--r-- | sysdeps/alpha/alphaev67/stpncpy.S | 116 |
1 files changed, 0 insertions, 116 deletions
diff --git a/sysdeps/alpha/alphaev67/stpncpy.S b/sysdeps/alpha/alphaev67/stpncpy.S deleted file mode 100644 index 4d61d71317..0000000000 --- a/sysdeps/alpha/alphaev67/stpncpy.S +++ /dev/null @@ -1,116 +0,0 @@ -/* Copyright (C) 2000, 2002 Free Software Foundation, Inc. - Contributed by Richard Henderson (rth@redhat.com) - 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 then N bytes from SRC to DEST, returning the address of - the terminating '\0' in DEST. */ - -#include <sysdep.h> - - .arch ev6 - .set noat - .set noreorder - .text - -ENTRY(__stpncpy) - ldgp gp, 0(pv) -#ifdef PROF - lda AT, _mcount - jsr AT, (AT), _mcount -#endif - .prologue 1 - - mov a0, v0 - beq a2, $zerocount - - .align 4 - nop - nop - jsr t9, __stxncpy # do the work of the copy - - cttz t8, t4 - zapnot t0, t8, t5 - andnot a0, 7, a0 - bne a2, $multiword # do we have full words left? - - subq t8, 1, t2 - subq t10, 1, t3 - cmpult zero, t5, t5 - addq a0, t4, v0 - - or t2, t8, t2 - or t3, t10, t3 - addq v0, t5, v0 - andnot t3, t2, t3 - - zap t0, t3, t0 - nop - stq t0, 0(a0) - ret - -$multiword: - subq t8, 1, t7 # clear the final bits in the prev word - cmpult zero, t5, t5 - or t7, t8, t7 - zapnot t0, t7, t0 - - subq a2, 1, a2 - stq t0, 0(a0) - addq a0, 8, a1 - beq a2, 1f # loop over full words remaining - - nop - nop - nop - blbc a2, 0f - - stq zero, 0(a1) - subq a2, 1, a2 - addq a1, 8, a1 - beq a2, 1f - -0: stq zero, 0(a1) - subq a2, 2, a2 - nop - nop - - stq zero, 8(a1) - addq a1, 16, a1 - nop - bne a2, 0b - -1: ldq t0, 0(a1) # clear the leading bits in the final word - subq t10, 1, t7 - addq a0, t4, v0 - nop - - or t7, t10, t7 - addq v0, t5, v0 - zap t0, t7, t0 - stq t0, 0(a1) - -$zerocount: - nop - nop - nop - ret - - END(__stpncpy) - -libc_hidden_def (__stpncpy) -weak_alias (__stpncpy, stpncpy) |