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

   1 /* { dg-do run } */
   2 /* { dg-skip-if "Variadic funcs have all args on stack. Normal funcs have args in registers." { "aarch64*-*-* avr-*-* nds32*-*-*" } { "*" } { "" } } */
   3 /* { dg-skip-if "Variadic funcs use Base AAPCS.  Normal funcs use VFP variant." { arm*-*-* && arm_hf_eabi } { "*" } { "" } } */
   4
   5 /* PR target/12503 */
   6 /* Origin: <pierre.nguyen-tuong@asim.lip6.fr> */
   7
   8 /* Verify that __builtin_apply behaves correctly on targets
   9    with pre-pushed arguments (e.g. SPARC).  */
  10
  11
  12
  13 #define INTEGER_ARG  5
  14
  15 #if defined(__ARM_PCS) || defined(__epiphany__)
  16 /* For Base AAPCS, NAME is passed in r0.  D is passed in r2 and r3.
  17    E, F and G are passed on stack.  So the size of the stack argument
  18    data is 20.  */
  19 #define STACK_ARGUMENTS_SIZE  20
  20 #elif defined __MMIX__ || defined __arc__
  21 /* No parameters on stack for bar.  */
  22 #define STACK_ARGUMENTS_SIZE 0
  23 #else
  24 #define STACK_ARGUMENTS_SIZE  64
  25 #endif
  26
  27 extern void abort(void);
  28
  29 void foo(char *name, double d, double e, double f, int g)
  30 {
  31   if (g != INTEGER_ARG)
  32     abort();
  33 }
  34
  35 void bar(char *name, ...)
  36 {
  37   __builtin_apply(foo, __builtin_apply_args(), STACK_ARGUMENTS_SIZE);
  38 }
  39
  40 int main(void)
  41 {
  42   bar("eeee", 5.444567, 8.90765, 4.567789, INTEGER_ARG);
  43
  44   return 0;
  45 }