gcc/testsuite/gcc.dg/torture/stackalign/builtin-apply-2.c

   1 /* PR target/12503 */
   2 /* Origin: <pierre.nguyen-tuong@asim.lip6.fr> */
   3
   4 /* Verify that __builtin_apply behaves correctly on targets
   5    with pre-pushed arguments (e.g. SPARC).  */
   6
   7 /* { dg-do run } */
   8
   9 /* arm_hf_eabi: Variadic funcs use Base AAPCS.  Normal funcs use VFP variant.
  10    avr: Variadic funcs don't pass arguments in registers, while normal funcs
  11         do.  */
  12 /* { dg-skip-if "Variadic funcs use different argument passing from normal funcs" { arm_hf_eabi || { avr-*-* riscv*-*-* } } "*" "" } */
  13 /* { dg-skip-if "Variadic funcs have all args on stack. Normal funcs have args in registers." { nds32*-*-* } "*" "" } */
  14 /* { dg-require-effective-target untyped_assembly } */
  15
  16
  17 #define INTEGER_ARG  5
  18
  19 #if defined(__ARM_PCS) || defined(__epiphany__)
  20 /* For Base AAPCS, NAME is passed in r0.  D is passed in r2 and r3.
  21    E, F and G are passed on stack.  So the size of the stack argument
  22    data is 20.  */
  23 #define STACK_ARGUMENTS_SIZE  20
  24 #elif defined __aarch64__ || defined __arc__ || defined __MMIX__
  25 /* No parameters on stack for bar.  */
  26 #define STACK_ARGUMENTS_SIZE 0
  27 #else
  28 #define STACK_ARGUMENTS_SIZE  64
  29 #endif
  30
  31 extern void abort(void);
  32
  33 void foo(char *name, double d, double e, double f, int g)
  34 {
  35   if (g != INTEGER_ARG)
  36     abort();
  37 }
  38
  39 void bar(char *name, ...)
  40 {
  41   __builtin_apply(foo, __builtin_apply_args(), STACK_ARGUMENTS_SIZE);
  42 }
  43
  44 int main(void)
  45 {
  46   bar("eeee", 5.444567, 8.90765, 4.567789, INTEGER_ARG);
  47
  48   return 0;
  49 }