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re PR middle-end/51959 (ICE in set_mem_alias_set, at emit-rtl.c:1884)

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2012-01-27  Richard Guenther  <rguenther@suse.de>

	PR middle-end/51959
	* expr.c (store_field): Use the alias-set of the scratch memory
	for storing to it.

	* g++.dg/torture/pr51959.C: New testcase.

From-SVN: r183616
This commit is contained in:
Richard Guenther 2012-01-27 10:54:51 +00:00 committed by Richard Biener
parent 10c7477699
commit 45c8342998
4 changed files with 92 additions and 1 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2012-01-27 Richard Guenther <rguenther@suse.de>
PR middle-end/51959
* expr.c (store_field): Use the alias-set of the scratch memory
for storing to it.
2012-01-27 Tom de Vries <tom@codesourcery.com>
PR tree-optimization/51990

2
gcc/expr.c
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@ -6299,7 +6299,7 @@ store_field (rtx target, HOST_WIDE_INT bitsize, HOST_WIDE_INT bitpos,
store_field (blk_object, bitsize, bitpos,
bitregion_start, bitregion_end,
mode, exp, type, alias_set, nontemporal);
mode, exp, type, MEM_ALIAS_SET (blk_object), nontemporal);
emit_move_insn (target, object);

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2012-01-27 Richard Guenther <rguenther@suse.de>
PR middle-end/51959
* g++.dg/torture/pr51959.C: New testcase.
2012-01-27 Tom de Vries <tom@codesourcery.com>
PR tree-optimization/51990

80
gcc/testsuite/g++.dg/torture/pr51959.C Normal file
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@ -0,0 +1,80 @@
// { dg-do compile }
namespace std {
typedef __SIZE_TYPE__ size_t;
}
inline void* operator new(std::size_t, void* __p) throw() {
return __p;
}
template <typename T> class QTypeInfo {
};
enum { Q_COMPLEX_TYPE = 0, Q_PRIMITIVE_TYPE = 0x1, Q_STATIC_TYPE = 0, Q_MOVABLE_TYPE = 0x2, Q_DUMMY_TYPE = 0x4 };
template<typename Enum> class QFlags {
int i;
inline QFlags(Enum f) : i(f) { }
};
class __attribute__((visibility("default"))) QSize {
public:
bool isEmpty() const;
friend inline bool operator==(const QSize &, const QSize &);
int wd;
int ht;
};
template<> class QTypeInfo<QSize > {
public:
enum {
isComplex = (((Q_MOVABLE_TYPE) & Q_PRIMITIVE_TYPE) == 0), isStatic = (((Q_MOVABLE_TYPE) & (Q_MOVABLE_TYPE | Q_PRIMITIVE_TYPE)) == 0), isLarge = (sizeof(QSize)>sizeof(void*)), isPointer = false, isDummy = (((Q_MOVABLE_TYPE) & Q_DUMMY_TYPE) != 0) };
};
class __attribute__((visibility("default"))) QBasicAtomicInt {
public:
inline bool operator!=(int value) const { }
};
struct __attribute__((visibility("default"))) QListData {
struct Data {
QBasicAtomicInt ref;
};
void **append();
};
template <typename T> class QList {
struct Node {
void *v;
};
union {
QListData p;
QListData::Data *d;
};
public:
void append(const T &t);
inline void push_back(const T &t) {
append(t);
}
void node_construct(Node *n, const T &t);
void node_destruct(Node *n);
};
template <typename T> inline void QList<T>::node_construct(Node *n, const T &t) {
if (QTypeInfo<T>::isLarge || QTypeInfo<T>::isStatic) n->v = new T(t);
else if (QTypeInfo<T>::isComplex) new (n) T(t);
}
template <typename T> inline void QList<T>::node_destruct(Node *n) {
}
template <typename T> void QList<T>::append(const T &t) {
if (d->ref != 1) {
try {
}
catch (...) {
}
if (QTypeInfo<T>::isLarge || QTypeInfo<T>::isStatic) {
}
else {
Node *n, copy;
node_construct(&copy, t);
try { n = reinterpret_cast<Node *>(p.append());; }
catch (...) { node_destruct(&copy); throw; }
*n = copy;
}
}
};
void virtual_hook(QSize sz, QList<QSize> &arg)
{
arg.push_back(sz);
}