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Annotation of researchv10dc/cmd/gcc/limits.h, revision 1.1.1.1

1.1       root        1:  0 for the whole things.  */
                      2: 
                      3:   fmt = GET_RTX_FORMAT (code);
                      4:   for (i = GET_RTX_LENGTH (code) - 1; i >= 0; i--)
                      5:     {
                      6:       register int j;
                      7:       switch (fmt[i])
                      8:        {
                      9:        case 'i':
                     10:          if (XINT (x, i) != XINT (y, i))
                     11:            return 0;
                     12:          break;
                     13: 
                     14:        case 's':
                     15:          if (strcmp (XSTR (x, i), XSTR (y, i)))
                     16:            return 0;
                     17:          break;
                     18: 
                     19:        case 'e':
                     20:          if (! rtx_renumbered_equal_p (XEXP (x, i), XEXP (y, i)))
                     21:            return 0;
                     22:          break;
                     23: 
                     24:        case '0':
                     25:          break;
                     26: 
                     27:        case 'E':
                     28:          if (XVECLEN (x, i) != XVECLEN (y, i))
                     29:            return 0;
                     30:          for (j = XVECLEN (x, i) - 1; j >= 0; j--)
                     31:            if (!rtx_renumbered_equal_p (XVECEXP (x, i, j), XVECEXP (y, i, j)))
                     32:              return 0;
                     33:          break;
                     34: 
                     35:          /* It is believed that rtx's at this level will never
                     36:             contain anything but integers and other rtx's,
                     37:             except for within LABEL_REFs and SYMBOL_REFs.  */
                     38:        default:
                     39:          abort ();
                     40:        }
                     41:     }
                     42:   return 1;
                     43: }
                     44: 
                     45: /* If X is a hard register or equivalent to one or a subregister of one,
                     46:    return the hard register number.  Otherwise, return -1.
                     47:    Any rtx is valid for X.  */
                     48: 
                     49: int
                     50: true_regnum (x)
                     51:      rtx x;
                     52: {
                     53:   if (GET_CODE (x) == REG)
                     54:     {
                     55:       if (REGNO (x) >= FIRST_PSEUDO_REGISTER)
                     56:        return reg_renumber[R

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