gcc/testsuite/gcc.target/arm/vfp-longcall-apcs.c

   1 /* { dg-do run } */
   2 /* { dg-skip-if "FDPIC does not support sibcall optimization" { arm*-*-uclinuxfdpiceabi } "*" "" } */
   3 /* { dg-options "-mapcs-frame -O -foptimize-sibling-calls -ffunction-sections" } */
   4
   5 extern void abort (void);
   6
   7 static __attribute__((noclone, noinline, long_call))
   8 int foo (int a, int b, int c, int d, double i)
   9 {
  10   return a;
  11 }
  12
  13 static __attribute__((noclone, noinline))
  14 double baz (double i)
  15 {
  16   return i;
  17 }
  18
  19 static __attribute__((noclone, noinline))
  20 int bar (int a, int b, int c, int d, double i, double j)
  21 {
  22   double l = baz (i) * j;
  23   return foo (a, b, c, d, l);
  24 }
  25
  26 int
  27 main (void)
  28 {
  29   if (bar (0, 0, 0, 0, 0.0, 0.0) != 0)
  30     abort ();
  31
  32   return 0;
  33 }