gcc/testsuite/gcc.dg/builtin-apply2.c

   1 /* { dg-do run } */
   2 /* { dg-require-effective-target untyped_assembly } */
   3 /* { dg-skip-if "Variadic funcs have all args on stack. Normal funcs have args in registers." { "avr-*-* nds32*-*-*" } { "*" } { "" } } */
   4 /* { dg-skip-if "Variadic funcs use Base AAPCS.  Normal funcs use VFP variant." { arm*-*-* && arm_hf_eabi } { "*" } { "" } } */
   5
   6 /* PR target/12503 */
   7 /* Origin: <pierre.nguyen-tuong@asim.lip6.fr> */
   8
   9 /* Verify that __builtin_apply behaves correctly on targets
  10    with pre-pushed arguments (e.g. SPARC).  */
  11
  12
  13
  14 #define INTEGER_ARG  5
  15
  16 #if defined(__ARM_PCS) || defined(__epiphany__)
  17 /* For Base AAPCS, NAME is passed in r0.  D is passed in r2 and r3.
  18    E, F and G are passed on stack.  So the size of the stack argument
  19    data is 20.  */
  20 #define STACK_ARGUMENTS_SIZE  20
  21 #elif defined __MMIX__ || defined __arc__
  22 /* No parameters on stack for bar.  */
  23 #define STACK_ARGUMENTS_SIZE 0
  24 #else
  25 #define STACK_ARGUMENTS_SIZE  64
  26 #endif
  27
  28 extern void abort(void);
  29
  30 void foo(char *name, double d, double e, double f, int g)
  31 {
  32   if (g != INTEGER_ARG)
  33     abort();
  34 }
  35
  36 void bar(char *name, ...)
  37 {
  38   __builtin_apply(foo, __builtin_apply_args(), STACK_ARGUMENTS_SIZE);
  39 }
  40
  41 int main(void)
  42 {
  43   bar("eeee", 5.444567, 8.90765, 4.567789, INTEGER_ARG);
  44
  45   return 0;
  46 }