sysdeps/sparc/sparc64/strpbrk.S

   1 /* strpbrk (s, accept) -- Find the first occurrence in S of any character in
   2                           ACCEPT.
   3    For SPARC v9.
   4    Copyright (C) 1999, 2003 Free Software Foundation, Inc.
   5    This file is part of the GNU C Library.
   6    Contributed by Jakub Jelinek <jj@ultra.linux.cz>
   7
   8    The GNU C Library is free software; you can redistribute it and/or
   9    modify it under the terms of the GNU Lesser General Public
  10    License as published by the Free Software Foundation; either
  11    version 2.1 of the License, or (at your option) any later version.
  12
  13    The GNU C Library is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16    Lesser General Public License for more details.
  17
  18    You should have received a copy of the GNU Lesser General Public
  19    License along with the GNU C Library; if not, see
  20    <http://www.gnu.org/licenses/>.  */
  21
  22 #include <sysdep.h>
  23 #include <asm/asi.h>
  24 #ifndef XCC
  25 #define XCC xcc
  26 #define STACK_SIZE      128
  27 #define STACK_OFFSET    128+0x7ff
  28         .register       %g2, #scratch
  29 #else
  30 #define STACK_SIZE      64
  31 #define STACK_OFFSET    64
  32 #endif
  33
  34         .text
  35         .align          32
  36 ENTRY(strpbrk)
  37         sub             %sp, STACK_SIZE+32, %sp         /* IEU0         Group           */
  38         mov             1, %o4                          /* IEU1                         */
  39         stx             %o4, [%sp + STACK_OFFSET]       /* Store        Group           */
  40         stx             %g0, [%sp + STACK_OFFSET + 8]   /* Store        Group           */
  41
  42         add             %sp, STACK_OFFSET, %o5          /* IEU0                         */
  43         stx             %g0, [%sp + STACK_OFFSET + 16]  /* Store        Group           */
  44         stx             %g0, [%sp + STACK_OFFSET + 24]  /* Store        Group           */
  45 1:      ldub            [%o1], %o2                      /* Load         Group           */
  46
  47         brz,pn          %o2, 2f                         /* CTI+IEU1     Group           */
  48          srl            %o2, 3, %o3                     /* IEU0                         */
  49         and             %o3, 0x18, %o3                  /* IEU0         Group           */
  50         and             %o2, 0x3f, %o2                  /* IEU1                         */
  51
  52         ldx             [%o5 + %o3], %g2                /* Load         Group           */
  53         sllx            %o4, %o2, %g1                   /* IEU0                         */
  54         add             %o1, 1, %o1                     /* IEU1                         */
  55         or              %g2, %g1, %g2                   /* IEU0         Group           */
  56
  57         ba,pt           %xcc, 1b                        /* CTI                          */
  58          stx            %g2, [%o5 + %o3]                /* Store                        */
  59 2:      andcc           %o0, 7, %g0                     /* IEU1         Group           */
  60         be,a,pt         %xcc, 4f                        /* CTI                          */
  61
  62          ldx            [%o0], %o2                      /* Load                         */
  63         ldub            [%o0], %o2                      /* Load         Group           */
  64 3:      srl             %o2, 3, %o3                     /* IEU0         Group           */
  65         and             %o2, 0x3f, %o2                  /* IEU1                         */
  66
  67         and             %o3, 0x18, %o3                  /* IEU0         Group           */
  68         ldx             [%o5 + %o3], %g2                /* Load         Group           */
  69         sllx            %o4, %o2, %g1                   /* IEU0                         */
  70         add             %o0, 1, %o0                     /* IEU1                         */
  71
  72         andcc           %g2, %g1, %g0                   /* IEU1         Group           */
  73         bne,pn          %xcc, 12f                       /* CTI                          */
  74          andcc          %o0, 7, %g0                     /* IEU1         Group           */
  75         bne,a,pt        %icc, 3b                        /* CTI                          */
  76
  77          ldub           [%o0], %o2                      /* Load                         */
  78         ldx             [%o0], %o2                      /* Load         Group           */
  79 4:      srlx            %o2, 59, %o3                    /* IEU0         Group           */
  80         srlx            %o2, 56, %g4                    /* IEU0         Group           */
  81
  82 5:      and             %o3, 0x18, %o3                  /* IEU1                         */
  83         andcc           %g4, 0x3f, %g4                  /* IEU1         Group           */
  84         ldx             [%o5 + %o3], %g2                /* Load                         */
  85         srlx            %o2, 51, %o3                    /* IEU0                         */
  86
  87         sllx            %o4, %g4, %g1                   /* IEU0         Group           */
  88         srlx            %o2, 48, %g4                    /* IEU0         Group           */
  89         andcc           %g2, %g1, %g2                   /* IEU1                         */
  90         bne,pn          %xcc, 13f                       /* CTI                          */
  91
  92          and            %o3, 0x18, %o3                  /* IEU0         Group           */
  93         and             %g4, 0x3f, %g4                  /* IEU1                         */
  94         ldx             [%o5 + %o3], %g2                /* Load         Group           */
  95         srlx            %o2, 43, %o3                    /* IEU0                         */
  96
  97         sllx            %o4, %g4, %g1                   /* IEU0         Group           */
  98         srlx            %o2, 40, %g4                    /* IEU0         Group           */
  99         andcc           %g2, %g1, %g2                   /* IEU1                         */
 100         bne,pn          %xcc, 14f                       /* CTI                          */
 101
 102          and            %o3, 0x18, %o3                  /* IEU0         Group           */
 103         and             %g4, 0x3f, %g4                  /* IEU1                         */
 104         ldx             [%o5 + %o3], %g2                /* Load         Group           */
 105         srlx            %o2, 35, %o3                    /* IEU0                         */
 106
 107         sllx            %o4, %g4, %g1                   /* IEU0         Group           */
 108         srlx            %o2, 32, %g4                    /* IEU0         Group           */
 109         andcc           %g2, %g1, %g2                   /* IEU1                         */
 110         bne,pn          %xcc, 15f                       /* CTI                          */
 111
 112          and            %o3, 0x18, %o3                  /* IEU0         Group           */
 113         and             %g4, 0x3f, %g4                  /* IEU1                         */
 114         ldx             [%o5 + %o3], %g2                /* Load         Group           */
 115         srlx            %o2, 27, %o3                    /* IEU0                         */
 116
 117         sllx            %o4, %g4, %g1                   /* IEU0         Group           */
 118         srlx            %o2, 24, %g4                    /* IEU0         Group           */
 119         andcc           %g2, %g1, %g2                   /* IEU1                         */
 120         bne,pn          %xcc, 16f                       /* CTI                          */
 121
 122          and            %o3, 0x18, %o3                  /* IEU0         Group           */
 123         and             %g4, 0x3f, %g4                  /* IEU1                         */
 124         ldx             [%o5 + %o3], %g2                /* Load         Group           */
 125         srlx            %o2, 19, %o3                    /* IEU0                         */
 126
 127         sllx            %o4, %g4, %g1                   /* IEU0         Group           */
 128         srlx            %o2, 16, %g4                    /* IEU0         Group           */
 129         andcc           %g2, %g1, %g2                   /* IEU1                         */
 130         bne,pn          %xcc, 17f                       /* CTI                          */
 131
 132          and            %o3, 0x18, %o3                  /* IEU0         Group           */
 133         and             %g4, 0x3f, %g4                  /* IEU1                         */
 134         ldx             [%o5 + %o3], %g2                /* Load         Group           */
 135         srlx            %o2, 11, %o3                    /* IEU0                         */
 136
 137         sllx            %o4, %g4, %g1                   /* IEU0         Group           */
 138         add             %o0, 8, %o0                     /* IEU1                         */
 139         srlx            %o2, 8, %g4                     /* IEU0         Group           */
 140         andcc           %g2, %g1, %g2                   /* IEU1                         */
 141
 142         bne,pn          %xcc, 18f                       /* CTI                          */
 143          and            %o3, 0x18, %o3                  /* IEU0         Group           */
 144         and             %g4, 0x3f, %g4                  /* IEU1                         */
 145         ldx             [%o5 + %o3], %g2                /* Load         Group           */
 146
 147         sllx            %o4, %g4, %g1                   /* IEU0                         */
 148         mov             %o2, %g5                        /* IEU1                         */
 149         srlx            %o2, 3, %o3                     /* IEU0         Group           */
 150         ldxa            [%o0] ASI_PNF, %o2              /* Load                         */
 151
 152         andcc           %g2, %g1, %g2                   /* IEU1         Group           */
 153         bne,pn          %xcc, 19f                       /* CTI                          */
 154          and            %o3, 0x18, %o3                  /* IEU0         Group           */
 155         and             %g5, 0x3f, %g4                  /* IEU1                         */
 156
 157         ldx             [%o5 + %o3], %g2                /* Load         Group           */
 158         sllx            %o4, %g4, %g1                   /* IEU0                         */
 159         srlx            %o2, 59, %o3                    /* IEU0         Group           */
 160         andcc           %g2, %g1, %g2                   /* IEU1         Group           */
 161
 162         be,pt           %xcc, 5b                        /* CTI                          */
 163          srlx           %o2, 56, %g4                    /* IEU0         Group           */
 164         sub             %o0, 1, %o0                     /* IEU1                         */
 165         add             %sp, STACK_SIZE+32, %sp         /* IEU0         Group           */
 166
 167         andcc           %g5, 0xff, %g0                  /* IEU1                         */
 168         retl                                            /* CTI+IEU1     Group           */
 169          move           %icc, 0, %o0                    /* Single       Group           */
 170
 171         .align          16
 172 19:     sub             %o0, 2, %o0                     /* IEU1                         */
 173         srl             %g5, 8, %g1                     /* IEU0         Group           */
 174         add             %sp, STACK_SIZE+32, %sp         /* IEU1                         */
 175         andcc           %g1, 0xff, %g0                  /* IEU1         Group           */
 176
 177         retl                                            /* CTI+IEU1     Group           */
 178          move           %icc, 0, %o0                    /* Single       Group           */
 179 18:     sub             %o0, 3, %o0                     /* IEU1                         */
 180         srl             %o2, 16, %g1                    /* IEU0         Group           */
 181
 182         add             %sp, STACK_SIZE+32, %sp         /* IEU1                         */
 183         andcc           %g1, 0xff, %g0                  /* IEU1         Group           */
 184         retl                                            /* CTI+IEU1     Group           */
 185          move           %icc, 0, %o0                    /* Single       Group           */
 186
 187 17:     add             %o0, 4, %o0                     /* IEU1                         */
 188         srl             %o2, 24, %g1                    /* IEU0         Group           */
 189         add             %sp, STACK_SIZE+32, %sp         /* IEU1                         */
 190         retl                                            /* CTI+IEU1     Group           */
 191
 192          movrz          %g1, 0, %o0                     /* Single       Group           */
 193 16:     add             %o0, 3, %o0                     /* IEU1                         */
 194         srlx            %o2, 32, %g1                    /* IEU0         Group           */
 195         add             %sp, STACK_SIZE+32, %sp         /* IEU1                         */
 196
 197         andcc           %g1, 0xff, %g0                  /* IEU1         Group           */
 198         retl                                            /* CTI+IEU1     Group           */
 199          move           %icc, 0, %o0                    /* Single       Group           */
 200
 201         .align          16
 202 15:     add             %o0, 2, %o0                     /* IEU1                         */
 203         srlx            %o2, 40, %g1                    /* IEU0         Group           */
 204         add             %sp, STACK_SIZE+32, %sp         /* IEU1                         */
 205         andcc           %g1, 0xff, %g0                  /* IEU1         Group           */
 206
 207         retl                                            /* CTI+IEU1     Group           */
 208          move           %icc, 0, %o0                    /* Single       Group           */
 209 14:     add             %o0, 1, %o0                     /* IEU1                         */
 210         srlx            %o2, 48, %g1                    /* IEU0         Group           */
 211
 212         add             %sp, STACK_SIZE+32, %sp         /* IEU1                         */
 213         andcc           %g1, 0xff, %g0                  /* IEU1         Group           */
 214         retl                                            /* CTI+IEU1     Group           */
 215          move           %icc, 0, %o0                    /* Single       Group           */
 216
 217 13:     add             %sp, STACK_SIZE+32, %sp         /* IEU1                         */
 218         srlx            %o2, 56, %g1                    /* IEU0         Group           */
 219         retl                                            /* CTI+IEU1     Group           */
 220          movrz          %g1, 0, %o0                     /* Single       Group           */
 221
 222         .align          16
 223 12:     sub             %o0, 1, %o0                     /* IEU0         Group           */
 224         or              %o3, %o2, %g1                   /* IEU1                         */
 225         add             %sp, STACK_SIZE+32, %sp         /* IEU0         Group           */
 226         retl                                            /* CTI+IEU1     Group           */
 227
 228          movrz          %g1, 0, %o0                     /* Single       Group           */
 229 END(strpbrk)
 230 libc_hidden_builtin_def (strpbrk)