diff options
Diffstat (limited to 'sysdeps/sparc/sparc64/memcmp.S')
| -rw-r--r-- | sysdeps/sparc/sparc64/memcmp.S | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/sysdeps/sparc/sparc64/memcmp.S b/sysdeps/sparc/sparc64/memcmp.S deleted file mode 100644 index 00ff2eec6b..0000000000 --- a/sysdeps/sparc/sparc64/memcmp.S +++ /dev/null @@ -1,142 +0,0 @@ -/* Compare two memory blocks for differences in the first COUNT bytes. - For SPARC v9. - Copyright (C) 1998-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Jan Vondrak <jvon4518@ss1000.ms.mff.cuni.cz> and - Jakub Jelinek <jj@ultra.linux.cz>. - - 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/>. */ - -#include <sysdep.h> -#include <asm/asi.h> -#ifndef XCC -#define XCC xcc -#define USE_BPR - .register %g2, #scratch - .register %g3, #scratch -#endif - - .text - .align 32 -ENTRY(memcmp) -#ifdef USE_BPR - brz,pn %o2, 3f /* CTI+IEU1 Group */ -#else - tst %o2 /* IEU1 Group */ - be,pn %XCC, 3f /* CTI */ -#endif - andcc %o0, 7, %g0 /* IEU1 Group */ - bne,pn %icc, 8f /* CTI */ -1: andcc %o1, 7, %g1 /* IEU1 Group */ - - bne,pn %icc, 10f /* CTI */ - mov 64, %g3 /* IEU0 */ - ldx [%o0], %g1 /* Load Group */ - sub %o1, %o0, %o1 /* IEU0 */ - - ldx [%o0 + %o1], %g2 /* Load Group */ - add %o0, 8, %o0 /* IEU0 */ -2: mov %g1, %o3 /* IEU0 Group */ - subcc %o2, 8, %o2 /* IEU1 */ - - bcs,pn %XCC, 5f /* CTI */ - ldxa [%o0] ASI_PNF, %g1 /* Load Group */ - mov %g2, %o4 /* IEU0 */ - ldxa [%o0 + %o1] ASI_PNF, %g2 /* Load Group */ - - cmp %o3, %o4 /* IEU1 */ - be,pt %xcc, 2b /* CTI */ - add %o0, 8, %o0 /* IEU0 */ -7: mov -1, %o0 /* IEU1 */ - - retl /* CTI+IEU1 Group */ - movgu %xcc, 1, %o0 /* Single Group */ -3: retl /* CTI+IEU1 Group */ - clr %o0 /* IEU0 */ - - .align 16 -5: mov %g2, %o4 /* IEU0 */ -6: cmp %o2, -8 /* IEU1 */ - be,pn %XCC, 3b /* CTI */ - sub %g0, %o2, %o2 /* IEU0 Group */ - - sllx %o2, 3, %o2 /* IEU0 Group */ - srlx %o3, %o2, %o3 /* IEU0 Group */ - srlx %o4, %o2, %o4 /* IEU0 Group */ - clr %o0 /* IEU1 */ - - cmp %o3, %o4 /* IEU1 Group */ - movgu %xcc, 1, %o0 /* Single Group */ - retl /* CTI+IEU1 Group */ - movlu %xcc, -1, %o0 /* Single Group */ - -8: ldub [%o0], %o3 /* Load */ - add %o0, 1, %o0 /* IEU0 */ - ldub [%o1], %o4 /* Load Group */ - add %o1, 1, %o1 /* IEU0 */ - -9: cmp %o3, %o4 /* IEU1 Group */ - bne,pn %xcc, 12f /* CTI */ - subcc %o2, 1, %o2 /* IEU1 Group */ - be,pn %XCC, 3b /* CTI */ - - lduba [%o0] ASI_PNF, %o3 /* Load */ - andcc %o0, 7, %g0 /* IEU1 Group */ - be,pn %icc, 1b /* CTI */ - lduba [%o1] ASI_PNF, %o4 /* Load */ - - add %o0, 1, %o0 /* IEU0 Group */ - ba,pt %xcc, 9b /* CTI */ - add %o1, 1, %o1 /* IEU1 */ - - .align 16 -12: mov -1, %o0 /* IEU0 Group */ - cmp %o3, %o4 /* IEU1 */ - retl /* CTI+IEU1 Group */ - movgu %xcc, 1, %o0 /* Single Group */ - - .align 16 - nop /* Stub */ -10: sllx %g1, 3, %g2 /* IEU0 Group */ - sub %o1, %g1, %o1 /* IEU1 */ - sub %g3, %g2, %g3 /* IEU0 Group */ - - ldxa [%o0] ASI_PNF, %g5 /* Load */ - sub %o1, %o0, %o1 /* IEU1 */ - ldxa [%o0 + %o1] ASI_PNF, %g4 /* Load Group */ - add %o0, 8, %o0 /* IEU0 */ - -11: sllx %g4, %g2, %o4 /* IEU0 Group */ - ldxa [%o0 + %o1] ASI_PNF, %g4 /* Load */ - srlx %g4, %g3, %o5 /* IEU0 Group */ - mov %g5, %o3 /* IEU1 */ - - ldxa [%o0] ASI_PNF, %g5 /* Load */ - subcc %o2, 8, %o2 /* IEU1 Group */ - bcs,pn %XCC, 6b /* CTI */ - or %o4, %o5, %o4 /* IEU0 */ - - cmp %o3, %o4 /* IEU1 Group */ - be,pt %xcc, 11b /* CTI */ - add %o0, 8, %o0 /* IEU0 */ - mov -1, %o0 /* IEU0 */ - - retl /* CTI+IEU1 Group */ - movgu %xcc, 1, %o0 /* Single Group */ -END(memcmp) - -#undef bcmp -weak_alias (memcmp, bcmp) -libc_hidden_builtin_def (memcmp) |