gcc/testsuite/gcc.target/i386/pr49095.c

   1 /* PR rtl-optimization/49095 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-Os -fno-shrink-wrap" } */
   4 /* { dg-additional-options "-mregparm=2" { target ia32 } } */
   5
   6 void foo (void *);
   7
   8 int *
   9 f1 (int *x)
  10 {
  11   if (!--*x)
  12     foo (x);
  13   return x;
  14 }
  15
  16 int
  17 g1 (int x)
  18 {
  19   if (!--x)
  20     foo ((void *) 0);
  21   return x;
  22 }
  23
  24 #define F(T, OP, OPN) \
  25 T *                     \
  26 f##T##OPN (T *x, T y)   \
  27 {                       \
  28   *x OP y;              \
  29   if (!*x)              \
  30     foo (x);            \
  31   return x;             \
  32 }                       \
  33                         \
  34 T                       \
  35 g##T##OPN (T x, T y)    \
  36 {                       \
  37   x OP y;               \
  38   if (!x)               \
  39     foo ((void *) 0);   \
  40   return x;             \
  41 }                       \
  42                         \
  43 T *                     \
  44 h##T##OPN (T *x)        \
  45 {                       \
  46   *x OP 24;             \
  47   if (!*x)              \
  48     foo (x);            \
  49   return x;             \
  50 }                       \
  51                         \
  52 T                       \
  53 i##T##OPN (T x, T y)    \
  54 {                       \
  55   x OP 24;              \
  56   if (!x)               \
  57     foo ((void *) 0);   \
  58   return x;             \
  59 }
  60
  61 #define G(T) \
  62 F (T, +=, plus)         \
  63 F (T, -=, minus)        \
  64 F (T, &=, and)          \
  65 F (T, |=, or)           \
  66 F (T, ^=, xor)
  67
  68 G (char)
  69 G (short)
  70 G (int)
  71 G (long)
  72
  73 /* { dg-final { scan-assembler-not "test\[lq\]" } } */