gcc/testsuite/gcc.target/i386/x87regparm-3.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fomit-frame-pointer" } */
   3 /* { dg-require-effective-target ilp32 } */
   4
   5 static float __attribute__((noinline)) foo_f(float f) { return f; }
   6 static double __attribute__((noinline)) foo_d(double d) { return d; }
   7 static long double __attribute__((noinline)) foo_ld(long double ld) { return ld; }
   8
   9 volatile float f;
  10 volatile double d;
  11 volatile long double ld;
  12
  13 void test()
  14 {
  15   f = foo_f(f);
  16   d = foo_d(d);
  17   ld = foo_ld(ld);
  18 }
  19
  20 /* Check that float and double arguments are passed through memory.  */
  21
  22 /* { dg-final { scan-assembler-times "\\(%esp\\)" 4 { xfail *-*-* } } } */