gcc/testsuite/gcc.dg/20050321-2.c

   1 /* This testcase could not assemble on ppc32, because the compiler assumed
   2    the huge ADDR_DIFF_VEC will be emitted into rodata section, yet because
   3    of some notes inserted between jump table's CODE_LABEL and the jump table
   4    it ended up in the .text section and thus shorten_branches couldn't
   5    figure out branch to lab is too far.  */
   6 /* { dg-do link { target fpic } } */
   7 /* { dg-options "-g1 -fpic" } */
   8 /* { dg-bogus "\[Uu\]nresolved symbol .(_GLOBAL_OFFSET_TABLE_|\[_.A-Za-z\]\[_.0-9A-Za-z\]*@(PLT|GOT|GOTOFF))" "PIC unsupported" { xfail *-*-netware* } 0 } */
   9 /* { dg-require-effective-target int32plus } */
  10
  11 #define A(n) \
  12   case n##1: return n##1 * 131 + 63;    \
  13   case n##3: return n##3 * 1231 + 182;  \
  14   case n##5: return n##5 * 351 + 1;     \
  15   case n##7: return n##7 * 312 + 61;    \
  16   case n##9: return n##9 * 17 - 1;
  17 #define B(n) \
  18 A(n##0) A(n##1) A(n##2) A(n##3) A(n##4) \
  19 A(n##5) A(n##6) A(n##7) A(n##8) A(n##9)
  20 #define C(n) \
  21 B(n##0) B(n##1) B(n##2) B(n##3) B(n##4) \
  22 B(n##5) B(n##6) B(n##7) B(n##8) B(n##9)
  23 #define D(n) \
  24 C(n##0) C(n##1) B(n##20) B(n##21) B(n##22)
  25
  26 int
  27 foo (int x)
  28 {
  29   {
  30 lab:;
  31     int a = x;
  32     while (a < 60000)
  33       {
  34         int b = a;
  35         {
  36           int c = b;
  37           switch (c)
  38             {
  39               D(1)
  40               default: break;
  41             }
  42         }
  43         a += 10000;
  44         if (a == 4168)
  45           goto lab;
  46       }
  47   }
  48   return x;
  49 }
  50
  51 int
  52 main (void)
  53 {
  54   foo (71);
  55   return 0;
  56 }