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wide-int.h (wide_int_storage::operator=): Implement in terms of wi::copy.

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2017-03-02  Richard Biener  <rguenther@suse.de>

	* wide-int.h (wide_int_storage::operator=): Implement in terms
	of wi::copy.

From-SVN: r245831
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Richard Biener 2017-03-02 08:02:41 +00:00 committed by Richard Biener
parent 83692f9662
commit c8c6a29eca
2 changed files with 20 additions and 0 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2017-03-02 Richard Biener <rguenther@suse.de>
* wide-int.h (wide_int_storage::operator=): Implement in terms
of wi::copy.
2017-03-02 Richard Biener <rguenther@suse.de>
PR tree-optimization/79777

15
gcc/wide-int.h
View File

@ -1019,6 +1019,9 @@ public:
HOST_WIDE_INT *write_val ();
void set_len (unsigned int, bool = false);
template <typename T>
wide_int_storage &operator = (const T &);
static wide_int from (const wide_int_ref &, unsigned int, signop);
static wide_int from_array (const HOST_WIDE_INT *, unsigned int,
unsigned int, bool = true);
@ -1058,6 +1061,18 @@ inline wide_int_storage::wide_int_storage (const T &x)
wi::copy (*this, xi);
}
template <typename T>
inline wide_int_storage&
wide_int_storage::operator = (const T &x)
{
{ STATIC_ASSERT (!wi::int_traits<T>::host_dependent_precision); }
{ STATIC_ASSERT (wi::int_traits<T>::precision_type != wi::CONST_PRECISION); }
WIDE_INT_REF_FOR (T) xi (x);
precision = xi.precision;
wi::copy (*this, xi);
return *this;
}
inline unsigned int
wide_int_storage::get_precision () const
{