gcc/testsuite/gcc.dg/tree-ssa/forwprop-25.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O1 -fdump-tree-cddce1" } */
   3
   4 struct rtx_def;
   5 typedef struct rtx_def *rtx;
   6 typedef const struct rtx_def *const_rtx;
   7 enum machine_mode
   8 {
   9   MAX_MACHINE_MODE,
  10   NUM_MACHINE_MODES = MAX_MACHINE_MODE
  11 };
  12 extern const char *const mode_name[NUM_MACHINE_MODES];
  13 enum mode_class
  14 { MODE_RANDOM, MODE_CC, MODE_INT, MODE_PARTIAL_INT, MODE_FRACT, MODE_UFRACT,
  15     MODE_ACCUM, MODE_UACCUM, MODE_FLOAT, MODE_DECIMAL_FLOAT, MODE_COMPLEX_INT,
  16     MODE_COMPLEX_FLOAT, MODE_VECTOR_INT, MODE_VECTOR_FRACT,
  17     MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM,
  18     MODE_VECTOR_FLOAT, MAX_MODE_CLASS };
  19 extern const unsigned char mode_class[NUM_MACHINE_MODES];
  20 extern const unsigned short mode_precision[NUM_MACHINE_MODES];
  21 struct rtx_def
  22 {
  23   __extension__ enum machine_mode mode:8;
  24 };
  25 void fancy_abort (const char *, int, const char *);
  26 void
  27 convert_move (rtx to, rtx from, int unsignedp)
  28 {
  29   enum machine_mode to_mode = ((enum machine_mode) (to)->mode);
  30   enum machine_mode from_mode = ((enum machine_mode) (from)->mode);
  31   ((void)
  32    (!((mode_precision[from_mode] != mode_precision[to_mode])
  33       || ((((enum mode_class) mode_class[from_mode]) == MODE_DECIMAL_FLOAT) !=
  34           (((enum mode_class) mode_class[to_mode]) ==
  35            MODE_DECIMAL_FLOAT))) ?
  36     fancy_abort ("/home/gcc/virgin-gcc/gcc/expr.c", 380, __FUNCTION__),
  37     0 : 0));
  38 }
  39
  40 /* { dg-final { scan-tree-dump-not " ^ " "cddce1"} } */