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re PR rtl-optimization/6086 (Reload misoptimizes DImode PREINC on PPC) 

2002-04-07  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

	PR optimization/6086
	* g++.dg/opt/preinc1.C: New test.

From-SVN: r52001
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Franz Sirl 2002-04-07 18:23:19 +00:00 committed by Franz Sirl
parent 0dccd146ba
commit eeec38a804
2 changed files with 64 additions and 0 deletions
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5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2002-04-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
PR optimization/6086
* g++.dg/opt/preinc1.C: New test.
2002-04-06 Mark Mitchell <mark@codesourcery.com>
PR c++/5571

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gcc/testsuite/g++.dg/opt/preinc1.C Normal file
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// PR optimization/6086
// { dg-do run }
// { dg-options "-O" }
extern "C" void abort (void);
struct A
{
A (int x, int y);
int a, b;
int foo () { return a; }
int bar () { return b; }
};
struct B
{
virtual ~B ();
virtual A baz () const;
};
struct C
{
A foo () const;
B *c;
};
A C::foo () const
{
int x, y;
x = c->baz ().foo ();
y = c->baz ().bar ();
return A (x, y);
}
A B::baz () const
{
return A (4, 8);
}
A::A (int x, int y)
{
a = x;
b = y;
}
B::~B ()
{
}
int
main ()
{
C the_c;
B the_b;
the_c.c = &the_b;
if (the_c.foo().a != 4)
abort ();
return 0;
}