gcc/testsuite/g++.dg/vect/pr33860a.cc

   1 /* { dg-do compile } */
   2 /* { dg-options "-Wno-psabi" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */
   3
   4 /* Testcase by Martin Michlmayr <tbm@cyrius.com> */
   5
   6 class Matrix
   7 {
   8   public:
   9     float data[4][4] __attribute__ ((__aligned__(16)));
  10     Matrix operator* (const Matrix matrix) const;
  11     void makeRotationAboutVector (void);
  12 };
  13 void Matrix::makeRotationAboutVector (void)
  14 {
  15    Matrix irx;
  16    *this = irx * (*this);
  17 }
  18 Matrix Matrix::operator* (const Matrix matrix) const
  19 {
  20   Matrix ret;
  21   for (int i = 0; i < 4; i++)
  22     for (int j = 0; j < 4; j++)
  23       ret.data[j][i] = matrix.data[j][2] + matrix.data[j][3];
  24   return ret;
  25 }
  26
  27 /* { dg-final { cleanup-tree-dump "vect" } } */