gcc/testsuite/gcc.target/sh/pr59478.c

   1 /* Verify that the fmac insn is used for the standard fmaf function.  */
   2 /* { dg-do compile { target { any_fpu } } }  */
   3 /* { dg-options "-O2" } */
   4 /* { dg-final { scan-assembler-times "fpul" 8 } } */
   5 /* { dg-final { scan-assembler-times "\tflds\tfr" 2 } } */
   6 /* { dg-final { scan-assembler-times "\tsts\tfpul" 2 } } */
   7 /* { dg-final { scan-assembler-times "\tlds\tr" 2 } } */
   8 /* { dg-final { scan-assembler-times "\tfsts\tfpul" 2 } } */
   9 /* { dg-final { scan-assembler-not "mov" } } */
  10
  11 int
  12 test_00 (float val)
  13 {
  14   char valbytes[sizeof (float)];
  15   __builtin_memcpy (valbytes, &val, sizeof (float));
  16
  17   int result;
  18   __builtin_memcpy (&result, valbytes, sizeof (int));
  19
  20   return result;
  21 }
  22
  23 float
  24 test_01 (int val)
  25 {
  26   char valbytes[sizeof (int)];
  27   __builtin_memcpy (valbytes, &val, sizeof (int));
  28
  29   float result;
  30   __builtin_memcpy (&result, valbytes, sizeof (float));
  31
  32   return result;
  33 }
  34
  35 int
  36 test_02 (float val)
  37 {
  38   union { int i; float f; } tmp;
  39   tmp.f = val;
  40   return tmp.i;
  41 }
  42
  43 float
  44 test_03 (int val)
  45 {
  46   union { int i; float f; } tmp;
  47   tmp.i = val;
  48   return tmp.f;
  49 }