Mercurial > projects > ldc
view test/union5.d @ 205:9d44ec83acd1 trunk
[svn r221] Update: Switched to the 2.3 LLVM svn branch, http://llvm.org/svn/llvm-project/llvm/branches/release_23 .
Fixed: Implemented volatile statements. Uses the LLVM memory barrier intrinsic, closes #21 .
author | lindquist |
---|---|
date | Tue, 13 May 2008 17:58:11 +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)); }