Mercurial > projects > ldc
view test/union5.d @ 222:251548c1035d trunk
[svn r238] use *m for memory input constraints and pass in their address
author | ChristianK |
---|---|
date | Fri, 06 Jun 2008 21:44:17 +0200 |
parents | 9e1bd80a7e98 |
children |
line wrap: on
line source
module union5; pragma(LLVM_internal, "notypeinfo") { union S { T t; U u; uint i; struct { ushort sl,sh; } } struct T { int i; } struct U { float f; } } void main() { S s; assert(s.t.i == 0); assert(s.u.f == 0); s.t.i = -1; assert(s.i == 0xFFFF_FFFF); float f = 3.1415; s.u.f = f; uint pi = *cast(uint*)&f; assert(s.i == pi); assert(s.sl == (pi&0xFFFF)); assert(s.sh == (pi>>>16)); }