gcc/testsuite/gcc.target/nios2/custom-fp-5.c

   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 .*" } } */