gcc/testsuite/gcc.dg/tree-ssa/pr94882-3.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-optimized" } */
   3 /* { dg-final { scan-tree-dump-not "x_\[0-9]+\\\(D\\\) & y_\[0-9]+\\\(D\\\);" "optimized" } } */
   4 /* { dg-final { scan-tree-dump-not "x_\[0-9]+\\\(D\\\) \\| y_\[0-9]+\\\(D\\\);" "optimized" } } */
   5 /* { dg-final { scan-tree-dump-times "x_\[0-9]+\\\(D\\\) \\^ y_\[0-9]+\\\(D\\\);" 4 "optimized" } } */
   6 /* { dg-final { scan-tree-dump-times "_\[0-9] \\^ _\[0-9]" 4 "optimized" } } */
   7 /* { dg-final { scan-tree-dump-times "~_\[0-9]\+" 8 "optimized" } } */
   8
   9 signed char
  10 a (short x, short y)
  11 {
  12   unsigned char t = (unsigned char) (x & y);
  13   unsigned char tt = (unsigned char) (x | y);
  14   t = t - tt;
  15   return (signed char) (t + -1);
  16 }
  17
  18 unsigned char
  19 a1 (signed char x, signed char y)
  20 {
  21   short t = (short) (x & y);
  22   short tt = (short) (x | y);
  23   unsigned char t1 = (unsigned char) (t - tt);
  24   return t1 + -1;
  25 }
  26
  27 signed char
  28 b (short x, short y)
  29 {
  30   unsigned char t = (unsigned char) (x & y);
  31   signed char tt = (signed char) (x | y);
  32   t = t - 1;
  33   return ((signed char) t - tt);
  34 }
  35
  36 short
  37 b1 (short x, short y)
  38 {
  39   int t = (int) (x & y);
  40   int tt = (int) (x | y);
  41   short t1 = (short) (t - 1);
  42   return (short) (t1 - tt);
  43 }
  44
  45 signed char
  46 c (unsigned x, unsigned y)
  47 {
  48   unsigned char t = (unsigned char) (x & y);
  49   signed char tt = (signed char) (x | y);
  50   tt = tt + 1;
  51   return (signed char) (t - tt);
  52 }
  53
  54 unsigned char
  55 c1 (signed char x, signed char y)
  56 {
  57   unsigned char t = (unsigned char) (x & y);
  58   short tt = (short) (x | y);
  59   unsigned char tt1 = (unsigned char) (tt + 1);
  60   return t - tt1;
  61 }
  62
  63 signed char
  64 d (unsigned char x, unsigned char y)
  65 {
  66   int t = (int) (x & y);
  67   int tt = (int) (x | y);
  68   tt = tt + 1;
  69   return (signed char) (t - tt);
  70 }
  71
  72 unsigned char
  73 d1 (int x, int y)
  74 {
  75   signed char t = (signed char) (x & y);
  76   signed char tt = (signed char) (x | y);
  77   unsigned char tt1 = (unsigned char) (tt + 1);
  78   return (unsigned char) (t - tt1);
  79 }