gcc/testsuite/gcc.target/aarch64/aapcs64/va_arg-6.c

   1 /* Test AAPCS64 layout and __builtin_va_arg.
   2
   3    This test is focus on certain unnamed homogeneous floating-point aggregate
   4    types passed in fp/simd registers.  */
   5
   6 /* { dg-do run { target aarch64*-*-* } } */
   7
   8 #ifndef IN_FRAMEWORK
   9 #define AAPCS64_TEST_STDARG
  10 #define TESTFILE "va_arg-6.c"
  11 #include "type-def.h"
  12
  13 struct hfa_fx1_t hfa_fx1 = {12.345f};
  14 struct hfa_dx2_t hfa_dx2 = {234.567, 345.678};
  15 struct hfa_ffs_t hfa_ffs;
  16 union hfa_union_t hfa_union;
  17
  18 #define HAS_DATA_INIT_FUNC
  19 void init_data ()
  20 {
  21   hfa_union.s.a = 37.f;
  22   hfa_union.s.b = 38.f;
  23   hfa_union.c   = 39.f;
  24
  25   hfa_ffs.a = 42.f;
  26   hfa_ffs.b = 43.f;
  27   hfa_ffs.c.a = 44.f;
  28   hfa_ffs.c.b = 45.f;
  29 }
  30
  31 #include "abitest.h"
  32 #else
  33   ARG      (int, 1, W0, LAST_NAMED_ARG_ID)
  34   DOTS
  35   ANON     (struct hfa_ffs_t  , hfa_ffs  , S0     , 0)
  36   ANON     (union  hfa_union_t, hfa_union, S4     , 1)
  37   ANON     (struct hfa_dx2_t  , hfa_dx2  , D6     , 2)
  38   ANON     (struct hfa_fx1_t  , hfa_fx1  , STACK  , 3)
  39   LAST_ANON(double            , 1.0      , STACK+8, 4)
  40 #endif