gcc/testsuite/gcc.dg/i386-ssefn-3.c

   1 /* Execution test for argument passing with SSE and local functions
   2    Written by Paolo Bonzini, 25 January 2005 */
   3
   4 /* { dg-do run { target i?86-*-* x86_64-*-* } } */
   5 /* { dg-options "-O2 -msse -mfpmath=sse" } */
   6 #include <assert.h>
   7 #include "i386-cpuid.h"
   8
   9 static float xs (void)
  10 {
  11   return 3.14159265;
  12 }
  13
  14 float ys (float a)
  15 {
  16   return xs () * a;
  17 }
  18
  19 static double xd (void)
  20 {
  21   return 3.1415926535;
  22 }
  23
  24 double yd (double a)
  25 {
  26   return xd () * a;
  27 }
  28
  29 int main()
  30 {
  31   unsigned long cpu_facilities;
  32
  33   cpu_facilities = i386_cpuid ();
  34
  35   if (cpu_facilities & bit_SSE)
  36     {
  37       assert (ys (1) == xs ());
  38       assert (ys (2) == xs () * 2);
  39       assert (yd (1) == xd ());
  40       assert (yd (2) == xd () * 2);
  41     }
  42   return 0;
  43 }