gcc/testsuite/gcc.target/aarch64/test_frame_16.c

   1 /* Verify:
   2      * with outgoing.
   3      * single int register push.
   4      * varargs and callee-save size >= 256
   5      * Use 2 stack adjustments.  */
   6
   7 /* { dg-do compile } */
   8 /* { dg-options "-O2 -fomit-frame-pointer --save-temps" } */
   9
  10 #define REP8(X) X,X,X,X,X,X,X,X
  11 #define REP64(X) REP8(REP8(X))
  12
  13 void outgoing (__builtin_va_list, ...);
  14
  15 double vararg_outgoing (int x1, ...)
  16 {
  17   double a1 = x1, a2 = x1 * 2, a3 = x1 * 3, a4 = x1 * 4, a5 = x1 * 5, a6 = x1 * 6;
  18   __builtin_va_list vl;
  19   __builtin_va_start (vl, x1);
  20   outgoing (vl, a1, a2, a3, a4, a5, a6, REP64 (1));
  21   __builtin_va_end (vl);
  22   return a1 + a2 + a3 + a4 + a5 + a6;
  23 }
  24
  25 /* { dg-final { scan-assembler-times "sub\tsp, sp, #\[0-9\]+" 2 } } */