gcc/testsuite/gcc.target/nios2/custom-fp-cmp-1.c

   1 /* Test generation of floating-point compare custom instructions.  */
   2
   3 /* { dg-do compile } */
   4 /* { dg-options "-O1" } */
   5
   6 /* -O1 in the options is significant.  Without it FP operations may not be
   7    optimized to custom instructions.  */
   8
   9 #pragma GCC target ("custom-frdxhi=40")
  10 #pragma GCC target ("custom-frdxlo=41")
  11 #pragma GCC target ("custom-frdy=42")
  12 #pragma GCC target ("custom-fwrx=43")
  13 #pragma GCC target ("custom-fwry=44")
  14
  15 #pragma GCC target ("custom-fcmpeqs=200")
  16
  17 int
  18 test_fcmpeqs (float a, float b)
  19 {
  20   return (a == b);
  21 }
  22
  23 /* { dg-final { scan-assembler "custom\\t200, .* # fcmpeqs .*" } } */
  24
  25 #pragma GCC target ("custom-fcmpgtd=201")
  26
  27 int
  28 test_fcmpgtd (double a, double b)
  29 {
  30   return (a > b);
  31 }
  32
  33 /* { dg-final { scan-assembler "custom\\t201, .* # fcmpgtd .*" } } */
  34
  35 #pragma GCC target ("custom-fcmples=202")
  36
  37 int
  38 test_fcmples (float a, float b)
  39 {
  40   return (a <= b);
  41 }
  42
  43 /* { dg-final { scan-assembler "custom\\t202, .* # fcmples .*" } } */
  44
  45 #pragma GCC target ("custom-fcmpned=203")
  46
  47 int
  48 test_fcmpned (double a, double b)
  49 {
  50   return (a != b);
  51 }
  52
  53 /* { dg-final { scan-assembler "custom\\t203, .* # fcmpned .*" } } */