| /* Aligned copy routines specified by Sparc V9 ABI. |
| For 64-bit sparc. |
| Copyright (C) 2010 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by David S. Miller (davem@davemloft.net) |
| |
| 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. */ |
| |
| #include <sysdep.h> |
| |
| .text |
| .align 8 |
| ENTRY(__align_cpy_8) |
| 10: cmp %o0, %o1 |
| be,pn %xcc, 9f |
| mov %o0, %o3 |
| subcc %o2, 0x08, %o2 |
| be,pn %xcc, 8f |
| 1: ldx [%o1 + 0x00], %o5 |
| ldx [%o1 + 0x08], %o4 |
| subcc %o2, 0x10, %o2 |
| add %o1, 0x10, %o1 |
| stx %o5, [%o3 + 0x00] |
| stx %o4, [%o3 + 0x08] |
| bg,pt %xcc, 1b |
| add %o3, 0x10, %o3 |
| bne,pn %xcc, 9f |
| nop |
| ldx [%o1 + 0x00], %o5 |
| 8: stx %o5, [%o3 + 0x00] |
| 9: retl |
| nop |
| END(__align_cpy_8) |
| |
| .align 8 |
| ENTRY(__align_cpy_4) |
| 20: cmp %o0, %o1 |
| be,pn %xcc, 9f |
| mov %o0, %o3 |
| subcc %o2, 0x04, %o2 |
| be,pn %xcc, 8f |
| 1: lduw [%o1 + 0x00], %o5 |
| lduw [%o1 + 0x04], %o4 |
| subcc %o2, 0x08, %o2 |
| add %o1, 0x08, %o1 |
| stw %o5, [%o3 + 0x00] |
| stw %o4, [%o3 + 0x04] |
| bg,pt %xcc, 1b |
| add %o3, 0x08, %o3 |
| bne,pn %xcc, 9f |
| nop |
| lduw [%o1 + 0x00], %o5 |
| 8: stw %o5, [%o3 + 0x00] |
| 9: retl |
| nop |
| END(__align_cpy_4) |
| |
| .align 8 |
| ENTRY(__align_cpy_2) |
| or %o0, %o1, %o3 |
| or %o2, %o3, %o3 |
| andcc %o3, 0x7, %g0 |
| be,pt %xcc, 10b |
| andcc %o3, 0x3, %g0 |
| be,pt %xcc, 20b |
| mov %o7, %g1 |
| call HIDDEN_JUMPTARGET(memcpy) |
| mov %o7, %g1 |
| END(__align_cpy_2) |
| |
| weak_alias (__align_cpy_8, __align_cpy_16) |
| weak_alias (__align_cpy_2, __align_cpy_1) |
