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*-*-* amdgcn-*-*" } } */
   4 /* { dg-skip-if "Variadic funcs use different argument passing from normal funcs." { "csky*-*-* riscv*-*-* or1k*-*-* msp430-*-* pru-*-*" } } */
   5 /* { dg-skip-if "Variadic funcs use Base AAPCS.  Normal funcs use VFP variant." { arm*-*-* && arm_hf_eabi } } */
   6
   7 /* PR target/12503 */
   8 /* Origin: <pierre.nguyen-tuong@asim.lip6.fr> */
   9
  10 /* Verify that __builtin_apply behaves correctly on targets
  11    with pre-pushed arguments (e.g. SPARC).  */
  12
  13
  14
  15 #define INTEGER_ARG  5
  16
  17 #if defined(__ARM_PCS) || defined(__epiphany__)
  18 /* For Base AAPCS, NAME is passed in r0.  D is passed in r2 and r3.
  19    E, F and G are passed on stack.  So the size of the stack argument
  20    data is 20.  */
  21 #define STACK_ARGUMENTS_SIZE  20
  22 #elif defined __MMIX__ || defined __arc__
  23 /* No parameters on stack for bar.  */
  24 #define STACK_ARGUMENTS_SIZE 0
  25 #else
  26 #define STACK_ARGUMENTS_SIZE  64
  27 #endif
  28
  29 extern void abort(void);
  30
  31 void foo(char *name, double d, double e, double f, int g)
  32 {
  33   if (g != INTEGER_ARG)
  34     abort();
  35 }
  36
  37 void bar(char *name, ...)
  38 {
  39   __builtin_apply(foo, __builtin_apply_args(), STACK_ARGUMENTS_SIZE);
  40 }
  41
  42 int main(void)
  43 {
  44   bar("eeee", 5.444567, 8.90765, 4.567789, INTEGER_ARG);
  45
  46   return 0;
  47 }