gcc/testsuite/gcc.dg/fold-overflow-1.c

   1 /* { dg-do compile } */
   2 /* { dg-skip-if "consts are shorts, not longs" { "m32c-*-*" "avr-*-*" } { "*" } { "" } } */
   3 /* { dg-skip-if "No Inf support" { spu-*-* } } */
   4 /* { dg-options "-O -ftrapping-math" } */
   5
   6 /* There should be exactly 2 +Inf in the assembly file.  */
   7
   8 float f1 =  __FLT_MAX__ + __FLT_MAX__;
   9
  10 float foo1(void)
  11 {
  12   return  __FLT_MAX__ + __FLT_MAX__;
  13 }
  14
  15 float f2 = 1.0f/0.0f;
  16
  17 float foo2(void)
  18 {
  19   return 1.0f/0.0f;
  20 }
  21
  22 /* { dg-final { scan-assembler-times "2139095040" 2 { target { ! mmix-*-* } } } } */
  23 /* { dg-final { scan-assembler-times "#7f800000" 2 { target mmix-*-* } } } */