[Bug rtl-optimization/55106] ice: Maximum number of LRA constraint passes is achieved (15)
markus at trippelsdorf dot de
gcc-bugzilla@gcc.gnu.org
Sun Oct 28 14:52:00 GMT 2012
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55106
Markus Trippelsdorf <markus at trippelsdorf dot de> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |markus at trippelsdorf dot
| |de, vmakarov at gcc dot
| |gnu.org
--- Comment #1 from Markus Trippelsdorf <markus at trippelsdorf dot de> 2012-10-28 14:52:03 UTC ---
markus@x4 tmp % cat test.ii
template<typename _Tp> struct A {
typedef _Tp *pointer;
typedef _Tp& reference;
typedef _Tp& const_reference;
template<typename>struct rebind
{
typedef A other;
};
};
template<typename _Alloc>struct __alloc_traits
{
typedef typename _Alloc::pointer pointer;
typedef typename _Alloc::reference reference;
typedef typename _Alloc::const_reference const_reference;
template<typename _Tp>struct rebind
{
typedef typename _Alloc::template rebind<_Tp>::other other;
};
};
template<typename _Tp, typename _Alloc>struct B
{
typedef typename __alloc_traits<_Alloc>::template rebind<
_Tp>::other _Tp_alloc_type;
typedef typename __alloc_traits<_Tp_alloc_type>::pointer pointer;
struct F
{
pointer _M_start;
};
F _M_impl;
};
template<typename _Tp, typename _Alloc = A<_Tp> >class vec : B<_Tp, _Alloc>{
typedef B<_Tp, _Alloc> _Base;
typedef typename _Base::_Tp_alloc_type _Tp_alloc_type;
typedef __alloc_traits<_Tp_alloc_type> _Alloc_traits;
public:
typedef _Tp value_type;
typedef typename _Alloc_traits::reference reference;
typedef typename _Alloc_traits::const_reference const_reference;
reference operator[](int p1)
{
return *(this->_M_impl._M_start + p1);
}
const_reference operator[](long) const;
};
int a[17];
class C {
vec<int> m_value;
void opModDivGuts(const C&);
int mostSetBitP1() const;
};
void C::opModDivGuts(const C& p1)
{
int b = p1.mostSetBitP1(), c = b + 1;
int d[16];
for (int i = c; i; i--)
a[i] = p1.m_value[i] << b;
for (int i = 0; i < c; i++)
m_value[i] = d[i] >> b << -b;
}
markus@x4 tmp % g++ -Wall -Wextra -c -O3 test.ii
test.ii: In member function ‘void C::opModDivGuts(const C&)’:
test.ii:65:1: internal compiler error: Maximum number of LRA constraint passes
is achieved (15)
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