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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [g++.dg/] [opt/] [cse2.C] - Blame information for rev 715

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Line No. Rev Author Line
1 693 jeremybenn
// This testcase caused ICE on IA-32 in simplify_unary_operation
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// CSE did not assume SUBREGs changing mode from integral to floating.
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// { dg-do run { target i?86-*-* sparc*-*-* x86_64-*-* } }
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// { dg-options "-O2" }
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struct A
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{
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  union
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    {
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      float f;
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      unsigned int w;
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    } a;
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  static inline const A foo (void)
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    {
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      return A ((unsigned int) (__extension__ ((union { unsigned l; float d; })
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                                               { l: 0x3f800000 }).d));
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    }
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  inline A (float f) { a.f = f; }
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  A ();
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  inline A (unsigned int w) { a.w = w; }
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};
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A::A()
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{
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  *this = foo ();
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}
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A a;
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extern "C" void abort (void);
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extern "C" void exit (int);
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int main ()
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{
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  if (a.a.w != 1)
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    abort ();
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  exit (0);
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}

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