gcc/testsuite/gcc.target/ia64/pr48496.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2" } */
   3
   4 typedef unsigned int UINT64 __attribute__((__mode__(__DI__)));
   5
   6 typedef struct
   7 {
   8   UINT64 x[2] __attribute__((aligned(16)));
   9 } fpreg;
  10
  11 struct ia64_args
  12 {
  13   fpreg fp_regs[8];
  14   UINT64 gp_regs[8];
  15 };
  16
  17 void
  18 ffi_call(long i, long gpcount, long fpcount, void **avalue)
  19 {
  20   struct ia64_args *stack;
  21   stack = __builtin_alloca (64);
  22   asm ("stf.spill %0 = %1%P0" : "=m" (*&stack->fp_regs[fpcount++])
  23                               : "f"(*(double *)avalue[i]));
  24   stack->gp_regs[gpcount++] = *(UINT64 *)avalue[i];
  25 }