gcc/testsuite/gcc.dg/pr42246.c

   1 /* { dg-do compile { target powerpc*-*-* ia64-*-* i?86-*-* x86_64-*-* } } */
   2 /* { dg-options "-O2 -fselective-scheduling -fsel-sched-pipelining -fsel-sched-pipelining-outer-loops" } */
   3
   4 typedef enum
   5 {
   6   empty = 0, pawn = 1, knight = 2, king = 3, bishop = 5, rook = 6, queen = 7
   7 }
   8 PIECE;
   9 extern int p_values[15];
  10 extern int *last[65];
  11 int
  12 Quiesce (int alpha, int beta, int wtm, int ply)
  13 {
  14   register int initial_alpha, value, delta;
  15   register int *goodmv, *movep, moves = 0, *sortv, temp;
  16   for (movep = last[ply - 1]; movep < last[ply]; movep++)
  17     if (p_values[(((*movep) >> 15) & 7) + 7] +
  18         p_values[(((*movep) >> 18) & 7) + 7] >= delta)
  19       {
  20         register int done;
  21         register int *end = last[ply - 1] + moves - 1;
  22         do
  23           {
  24             done = 1;
  25             movep = last[ply - 1];
  26             for (; movep < end; movep++, sortv++)
  27               if (*sortv < *(sortv + 1))
  28                 {
  29                   *(movep + 1) = temp;
  30                   done = 0;
  31                 }
  32           }
  33         while (!done);
  34       }
  35 }
  36