gcc/testsuite/gcc.dg/torture/arm-fp16-compile-assign.c

   1 /* { dg-do compile { target arm*-*-* } } */
   2 /* { dg-options "-mfp16-format=ieee" } */
   3
   4 /* Test basic assignments and conversions for __fp16.  */
   5
   6 __fp16 h0 = -1.0;
   7 __fp16 h1 = 0.0;
   8 __fp16 h2 = 1234.0;
   9 __fp16 h3 = 42.0;
  10 float f1 = 2.0;
  11 float f2 = -999.9;
  12
  13 void f (__fp16 *p)
  14 {
  15   __fp16 t;
  16
  17   h0 = 1.0;
  18   h1 = h2;
  19   h2 = f1;
  20   f2 = h2;
  21
  22   t = *p;
  23   *p = h3;
  24   h3 = t;
  25 }
  26
  27 /* Make sure we are not falling through to undefined libcalls.  */
  28 /* { dg-final { scan-assembler-not "__truncsfhf" } } */
  29 /* { dg-final { scan-assembler-not "__extendhfsf" } } */