/* { dg-do compile } */ | |
/* { dg-options "-O1 -funsafe-math-optimizations -fdump-tree-gimple" } */ | |
float f(float x) | |
{ | |
return x/2 + x/3; | |
} | |
float g(float x) | |
{ | |
return 2/x + 3/x; | |
} | |
float h(float x) | |
{ | |
return x/2 - x/3; | |
} | |
float i(float x) | |
{ | |
return 2/x - 3/x; | |
} | |
/* f and h should be turned into multiplications, | |
the divisions in g and i should be grouped together. */ | |
/* { dg-final { scan-tree-dump-times " \\* " 2 "gimple" } } */ | |
/* { dg-final { scan-tree-dump-times " / " 2 "gimple" } } */ | |