sdcc/support/regression/tests/gcc-torture-execute-20020215-1.c

   1 /*
   2    20020215-1.c from the execute part of the gcc torture suite.
   3  */
   4
   5 #include <testfwk.h>
   6
   7 #ifdef __SDCC
   8 #pragma std_c99
   9 #endif
  10
  11 /* Test failed on an architecture that:
  12
  13    - had 16-bit registers,
  14    - passed 64-bit structures in registers,
  15    - only allowed SImode values in even numbered registers.
  16
  17    Before reload, s.i2 in foo() was represented as:
  18
  19         (subreg:SI (reg:DI 0) 2)
  20
  21    find_dummy_reload would return (reg:SI 1) for the subreg reload,
  22    despite that not being a valid register.  */
  23
  24 #if 0 // Todo: enable when compound literals are supported!
  25 struct s
  26 {
  27   short i1;
  28   long i2;
  29   short i3;
  30 };
  31
  32 struct s foo (struct s s)
  33 {
  34   s.i2++;
  35   return s;
  36 }
  37 #endif
  38
  39 void
  40 testTortureExecute (void)
  41 {
  42 #if 0 // Todo: enable when compound literals are supported!
  43   struct s s = foo ((struct s) { 1000, 2000L, 3000 });
  44   if (s.i1 != 1000 || s.i2 != 2001L || s.i3 != 3000)
  45     ASSERT (0);
  46 #endif
  47 }
  48