1  /* Test that forward declaration and definition don't conflict when used
       2     with pragma specification of custom instructions.  */
       3  
       4  /* { dg-do compile } */
       5  /* { dg-options "-O1 -ffinite-math-only" } */
       6  
       7  /* -O1 in the options is significant.  Without it FP operations may not be
       8     optimized to custom instructions.  */
       9  
      10  #include <stdio.h> 
      11  #include <math.h>
      12  
      13  #pragma GCC target ("custom-fmaxs=246,custom-fmins=247")
      14  
      15  extern void
      16  custom_fp (float operand_a, float operand_b, float *result);
      17  
      18  void
      19  custom_fp (float operand_a, float operand_b, float *result)
      20  {
      21    result[0] = fmaxf (operand_a, operand_b);
      22    result[1] = fminf (operand_a, operand_b);
      23  }
      24  
      25  /* { dg-final { scan-assembler "custom\\t246, .* # fmaxs .*" } } */
      26  /* { dg-final { scan-assembler "custom\\t247, .* # fmins .*" } } */