ldc/gen/target.cpp
2013-07-29 11:18:25 +04:00

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//===-- target.cpp -------------------------------------------------------===//
//
// LDC the LLVM D compiler
//
// This file is distributed under the BSD-style LDC license. See the LICENSE
// file for details.
//
//===----------------------------------------------------------------------===//
#include <assert.h>
#include "target.h"
#include "mars.h"
#include "mtype.h"
unsigned GetTypeAlignment(Type* t);
unsigned GetPointerSize();
unsigned GetTypeStoreSize(Type* t);
unsigned GetTypeAllocSize(Type* t);
int Target::ptrsize;
int Target::realsize;
int Target::realpad;
int Target::realalignsize;
void Target::init()
{
ptrsize = GetPointerSize();
realsize = GetTypeAllocSize(Type::basic[Tfloat80]);
realpad = realsize - GetTypeStoreSize(Type::basic[Tfloat80]);
realalignsize = GetTypeAlignment(Type::basic[Tfloat80]);
}
/******************************
* Return memory alignment size of type.
*/
unsigned Target::alignsize (Type* type)
{
assert (type->isTypeBasic());
if (type->ty == Tvoid) return 1;
return GetTypeAlignment(type);
}
/******************************
* Return field alignment size of type.
*/
unsigned Target::fieldalign (Type* type)
{
// LDC_FIXME: Verify this.
return type->alignsize();
}