gcc/testsuite/gcc.dg/vect/bb-slp-layout-21.c

   1 /* { dg-do compile } */
   2 /* { dg-additional-options "-march=bdver2" { target x86_64-*-* i?86-*-* } } */
   3
   4 int rl2GeomExport64_little_endian, rl2GeomExport64_little_endian_arch;
   5 void rl2GeomExport64(unsigned char *p, double value) {
   6   union {
   7     unsigned char byte[8];
   8     double double_value;
   9   } convert;
  10   convert.double_value = value;
  11   if (rl2GeomExport64_little_endian_arch)
  12     if (rl2GeomExport64_little_endian) {
  13       *(p + 7) = convert.byte[0];
  14       *(p + 6) = convert.byte[1];
  15       *(p + 5) = convert.byte[2];
  16       *(p + 4) = convert.byte[3];
  17       *(p + 3) = convert.byte[4];
  18       *(p + 2) = convert.byte[5];
  19       *(p + 1) = convert.byte[6];
  20       *p = convert.byte[7];
  21     } else
  22       *p = convert.byte[7];
  23 }