gcc/testsuite/gcc.target/s390/pr57559.c

   1 /* PR rtl-optimization/57559  */
   2
   3 /* { dg-do compile } */
   4 /* { dg-options "-march=z10 -m64 -mzarch  -O1" } */
   5
   6 typedef int int32_t;
   7 typedef unsigned char uint8_t;
   8 typedef unsigned int uint32_t;
   9 struct _IO_marker
  10 {
  11 };
  12 static const int32_t mfcone = 1;
  13 static const uint8_t *mfctop = (const uint8_t *) &mfcone;
  14 int32_t
  15 decContextTestEndian (uint8_t quiet)
  16 {
  17   int32_t res = 0;
  18   uint32_t dle = (uint32_t) 0;
  19   if (*(int *) 10 != 0)
  20     {
  21       res = (int32_t) * mfctop - dle;
  22     }
  23   return res;
  24 }