diff options
Diffstat (limited to 'sysdeps/sparc/sparc64/strcat.S')
| -rw-r--r-- | sysdeps/sparc/sparc64/strcat.S | 339 |
1 files changed, 0 insertions, 339 deletions
diff --git a/sysdeps/sparc/sparc64/strcat.S b/sysdeps/sparc/sparc64/strcat.S deleted file mode 100644 index 151a4e8853..0000000000 --- a/sysdeps/sparc/sparc64/strcat.S +++ /dev/null @@ -1,339 +0,0 @@ -/* strcat (dest, src) -- Append SRC on the end of DEST. - For SPARC v9. - Copyright (C) 1998-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Jakub Jelinek <jj@ultra.linux.cz> and - Jan Vondrak <jvon4518@ss1000.ms.mff.cuni.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 - .register %g6, #scratch -#endif - - /* Normally, this uses - ((xword - 0x0101010101010101) & 0x8080808080808080) test - to find out if any byte in xword could be zero. This is fast, but - also gives false alarm for any byte in range 0x81-0xff. It does - not matter for correctness, as if this test tells us there could - be some zero byte, we check it byte by byte, but if bytes with - high bits set are common in the strings, then this will give poor - performance. You can #define EIGHTBIT_NOT_RARE and the algorithm - will use one tick slower, but more precise test - ((xword - 0x0101010101010101) & (~xword) & 0x8080808080808080), - which does not give any false alarms (but if some bits are set, - one cannot assume from it which bytes are zero and which are not). - It is yet to be measured, what is the correct default for glibc - in these days for an average user. - */ - - .text - .align 32 -ENTRY(strcat) - sethi %hi(0x01010101), %g1 /* IEU0 Group */ - ldub [%o0], %o3 /* Load */ - or %g1, %lo(0x01010101), %g1 /* IEU0 Group */ - mov %o0, %g6 /* IEU1 */ - - sllx %g1, 32, %g2 /* IEU0 Group */ - andcc %o0, 7, %g0 /* IEU1 */ - or %g1, %g2, %g1 /* IEU0 Group */ - bne,pn %icc, 32f /* CTI */ - - sllx %g1, 7, %g2 /* IEU0 Group */ - brz,pn %o3, 30f /* CTI+IEU1 */ - ldx [%o0], %o3 /* Load */ -48: add %o0, 8, %o0 /* IEU0 Group */ - -49: sub %o3, %g1, %o2 /* IEU0 Group */ -#ifdef EIGHTBIT_NOT_RARE - andn %o2, %o3, %g5 /* IEU0 Group */ - ldxa [%o0] ASI_PNF, %o3 /* Load */ - andcc %g5, %g2, %g0 /* IEU1 Group */ -#else - ldxa [%o0] ASI_PNF, %o3 /* Load */ - andcc %o2, %g2, %g0 /* IEU1 Group */ -#endif - be,pt %xcc, 49b /* CTI */ - - add %o0, 8, %o0 /* IEU0 */ - addcc %o2, %g1, %g3 /* IEU1 Group */ - srlx %o2, 32, %o2 /* IEU0 */ -50: andcc %o2, %g2, %g0 /* IEU1 Group */ - - be,pn %xcc, 51f /* CTI */ - srlx %g3, 56, %o2 /* IEU0 */ - andcc %o2, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 29f /* CTI */ - - srlx %g3, 48, %o2 /* IEU0 */ - andcc %o2, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 28f /* CTI */ - srlx %g3, 40, %o2 /* IEU0 */ - - andcc %o2, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 27f /* CTI */ - srlx %g3, 32, %o2 /* IEU0 */ - andcc %o2, 0xff, %g0 /* IEU1 Group */ - - be,pn %icc, 26f /* CTI */ -51: srlx %g3, 24, %o2 /* IEU0 */ - andcc %o2, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 25f /* CTI */ - - srlx %g3, 16, %o2 /* IEU0 */ - andcc %o2, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 24f /* CTI */ - srlx %g3, 8, %o2 /* IEU0 */ - - andcc %o2, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 23f /* CTI */ - sub %o3, %g1, %o2 /* IEU0 */ - andcc %g3, 0xff, %g0 /* IEU1 Group */ - - be,pn %icc, 52f /* CTI */ - ldxa [%o0] ASI_PNF, %o3 /* Load */ - andcc %o2, %g2, %g0 /* IEU1 Group */ - be,pt %xcc, 49b /* CTI */ - - add %o0, 8, %o0 /* IEU0 */ - addcc %o2, %g1, %g3 /* IEU1 Group */ - ba,pt %xcc, 50b /* CTI */ - srlx %o2, 32, %o2 /* IEU0 */ - - .align 16 -52: ba,pt %xcc, 12f /* CTI Group */ - add %o0, -9, %o0 /* IEU0 */ -23: ba,pt %xcc, 12f /* CTI Group */ - add %o0, -10, %o0 /* IEU0 */ - -24: ba,pt %xcc, 12f /* CTI Group */ - add %o0, -11, %o0 /* IEU0 */ -25: ba,pt %xcc, 12f /* CTI Group */ - add %o0, -12, %o0 /* IEU0 */ - -26: ba,pt %xcc, 12f /* CTI Group */ - add %o0, -13, %o0 /* IEU0 */ -27: ba,pt %xcc, 12f /* CTI Group */ - add %o0, -14, %o0 /* IEU0 */ - -28: ba,pt %xcc, 12f /* CTI Group */ - add %o0, -15, %o0 /* IEU0 */ -29: add %o0, -16, %o0 /* IEU0 Group */ -30: andcc %o1, 7, %g3 /* IEU1 */ - -31: bne,pn %icc, 14f /* CTI */ - orcc %g0, 64, %g4 /* IEU1 Group */ -1: ldx [%o1], %o3 /* Load */ - add %o1, 8, %o1 /* IEU1 */ - -2: mov %o3, %g3 /* IEU0 Group */ -3: sub %o3, %g1, %o2 /* IEU1 */ - ldxa [%o1] ASI_PNF, %o3 /* Load */ -#ifdef EIGHTBIT_NOT_RARE - andn %o2, %g3, %o2 /* IEU0 Group */ -#endif - add %o0, 8, %o0 /* IEU0 Group */ - - andcc %o2, %g2, %g0 /* IEU1 */ - add %o1, 8, %o1 /* IEU0 Group */ - be,a,pt %xcc, 2b /* CTI */ - stx %g3, [%o0 - 8] /* Store */ - - srlx %g3, 56, %g5 /* IEU0 Group */ - andcc %g5, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 11f /* CTI */ - srlx %g3, 48, %g4 /* IEU0 */ - - andcc %g4, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 10f /* CTI */ - srlx %g3, 40, %g5 /* IEU0 */ - andcc %g5, 0xff, %g0 /* IEU1 Group */ - - be,pn %icc, 9f /* CTI */ - srlx %g3, 32, %g4 /* IEU0 */ - andcc %g4, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 8f /* CTI */ - - srlx %g3, 24, %g5 /* IEU0 */ - andcc %g5, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 7f /* CTI */ - srlx %g3, 16, %g4 /* IEU0 */ - - andcc %g4, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 6f /* CTI */ - srlx %g3, 8, %g5 /* IEU0 */ - andcc %g5, 0xff, %g0 /* IEU1 Group */ - - be,pn %icc, 5f /* CTI */ - sub %o3, %g1, %o2 /* IEU0 */ - stx %g3, [%o0 - 8] /* Store Group */ - andcc %g3, 0xff, %g0 /* IEU1 */ - - bne,pt %icc, 3b /* CTI */ - mov %o3, %g3 /* IEU0 Group */ -4: retl /* CTI+IEU1 Group */ - mov %g6, %o0 /* IEU0 */ - - .align 16 -5: stb %g5, [%o0 - 2] /* Store Group */ - srlx %g3, 16, %g4 /* IEU0 */ -6: sth %g4, [%o0 - 4] /* Store Group */ - srlx %g3, 32, %g4 /* IEU0 */ - - stw %g4, [%o0 - 8] /* Store Group */ - retl /* CTI+IEU1 Group */ - mov %g6, %o0 /* IEU0 */ -7: stb %g5, [%o0 - 4] /* Store Group */ - - srlx %g3, 32, %g4 /* IEU0 */ -8: stw %g4, [%o0 - 8] /* Store Group */ - retl /* CTI+IEU1 Group */ - mov %g6, %o0 /* IEU0 */ - -9: stb %g5, [%o0 - 6] /* Store Group */ - srlx %g3, 48, %g4 /* IEU0 */ -10: sth %g4, [%o0 - 8] /* Store Group */ - retl /* CTI+IEU1 Group */ - - mov %g6, %o0 /* IEU0 */ -11: stb %g5, [%o0 - 8] /* Store Group */ - retl /* CTI+IEU1 Group */ - mov %g6, %o0 /* IEU0 */ - - .align 16 -32: andcc %o0, 7, %g0 /* IEU1 Group */ - be,a,pn %icc, 48b /* CTI */ - ldx [%o0], %o3 /* Load */ - add %o0, 1, %o0 /* IEU0 Group */ - - brnz,a,pt %o3, 32b /* CTI+IEU1 */ - lduba [%o0] ASI_PNF, %o3 /* Load */ - add %o0, -1, %o0 /* IEU0 Group */ - andcc %o0, 7, %g0 /* IEU1 Group */ - - be,a,pn %icc, 31b /* CTI */ - andcc %o1, 7, %g3 /* IEU1 Group */ -12: ldub [%o1], %o3 /* Load */ - stb %o3, [%o0] /* Store Group */ - -13: add %o0, 1, %o0 /* IEU0 */ - add %o1, 1, %o1 /* IEU1 */ - andcc %o3, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 4b /* CTI */ - - lduba [%o1] ASI_PNF, %o3 /* Load */ - andcc %o0, 7, %g0 /* IEU1 Group */ - bne,a,pt %icc, 13b /* CTI */ - stb %o3, [%o0] /* Store */ - - andcc %o1, 7, %g3 /* IEU1 Group */ - be,a,pt %icc, 1b /* CTI */ - ldx [%o1], %o3 /* Load */ - orcc %g0, 64, %g4 /* IEU1 Group */ - -14: sllx %g3, 3, %g5 /* IEU0 */ - sub %o1, %g3, %o1 /* IEU0 Group */ - sub %g4, %g5, %g4 /* IEU1 */ - /* %g1 = 0101010101010101 * - * %g2 = 8080808080808080 * - * %g3 = source alignment * - * %g5 = number of bits to shift left * - * %g4 = number of bits to shift right */ - ldxa [%o1] ASI_PNF, %o5 /* Load Group */ - - addcc %o1, 8, %o1 /* IEU1 */ -15: sllx %o5, %g5, %o3 /* IEU0 Group */ - ldxa [%o1] ASI_PNF, %o5 /* Load */ - srlx %o5, %g4, %o4 /* IEU0 Group */ - - add %o0, 8, %o0 /* IEU1 */ - or %o3, %o4, %o3 /* IEU0 Group */ - add %o1, 8, %o1 /* IEU1 */ - sub %o3, %g1, %o4 /* IEU0 Group */ - -#ifdef EIGHTBIT_NOT_RARE - andn %o4, %o3, %o4 /* IEU0 Group */ -#endif - andcc %o4, %g2, %g0 /* IEU1 Group */ - be,a,pt %xcc, 15b /* CTI */ - stx %o3, [%o0 - 8] /* Store */ - srlx %o3, 56, %o4 /* IEU0 Group */ - - andcc %o4, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 22f /* CTI */ - srlx %o3, 48, %o4 /* IEU0 */ - andcc %o4, 0xff, %g0 /* IEU1 Group */ - - be,pn %icc, 21f /* CTI */ - srlx %o3, 40, %o4 /* IEU0 */ - andcc %o4, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 20f /* CTI */ - - srlx %o3, 32, %o4 /* IEU0 */ - andcc %o4, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 19f /* CTI */ - srlx %o3, 24, %o4 /* IEU0 */ - - andcc %o4, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 18f /* CTI */ - srlx %o3, 16, %o4 /* IEU0 */ - andcc %o4, 0xff, %g0 /* IEU1 Group */ - - be,pn %icc, 17f /* CTI */ - srlx %o3, 8, %o4 /* IEU0 */ - andcc %o4, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 16f /* CTI */ - - andcc %o3, 0xff, %g0 /* IEU1 Group */ - bne,pn %icc, 15b /* CTI */ - stx %o3, [%o0 - 8] /* Store */ - retl /* CTI+IEU1 Group */ - - mov %g6, %o0 /* IEU0 */ - - .align 16 -16: srlx %o3, 8, %o4 /* IEU0 Group */ - stb %o4, [%o0 - 2] /* Store */ -17: srlx %o3, 16, %o4 /* IEU0 Group */ - stb %o4, [%o0 - 3] /* Store */ - -18: srlx %o3, 24, %o4 /* IEU0 Group */ - stb %o4, [%o0 - 4] /* Store */ -19: srlx %o3, 32, %o4 /* IEU0 Group */ - stw %o4, [%o0 - 8] /* Store */ - - retl /* CTI+IEU1 Group */ - mov %g6, %o0 /* IEU0 */ - nop - nop - -20: srlx %o3, 40, %o4 /* IEU0 Group */ - stb %o4, [%o0 - 6] /* Store */ -21: srlx %o3, 48, %o4 /* IEU0 Group */ - stb %o4, [%o0 - 7] /* Store */ - -22: srlx %o3, 56, %o4 /* IEU0 Group */ - stb %o4, [%o0 - 8] /* Store */ - retl /* CTI+IEU1 Group */ - mov %g6, %o0 /* IEU0 */ -END(strcat) -libc_hidden_builtin_def (strcat) |