gcc/testsuite/gcc.target/i386/pr30315.c

/* { dg-do compile } */
/* { dg-options "-O2" } */
/* { dg-final { scan-assembler-not "cmp" } } */

extern void abort (void);
int c;

#define PLUSCC1(T, t, C)	\
T pluscc##t##C (T a, T b)	\
{	\
  T sum = a + b;	\
  if (sum < C)		\
    abort ();		\
  return sum;		\
}
#define PLUSCC(T, t) PLUSCC1(T, t, a) PLUSCC1(T, t, b)

#define INCCC1(T, t, C)	\
T inccc##t##C (T a, T b)	\
{	\
  T sum = a + b;	\
  if (sum < C)		\
    c ++;		\
  return sum;		\
}
#define INCCC(T, t) INCCC1(T, t, a) INCCC1(T, t, b)

#define PLUSCCONLY1(T, t, C)	\
void pluscconly##t##C (T a, T b)	\
{	\
  T sum = a + b;	\
  if (sum < C)		\
    abort ();		\
}
#define PLUSCCONLY(T, t) PLUSCCONLY1(T, t, a) PLUSCCONLY1(T, t, b)

#define TEST(T, t)	\
  PLUSCC(T, t)		\
  PLUSCCONLY(T, t)	\
  INCCC(T, t)

TEST (unsigned long,  l)
TEST (unsigned int,   i)
TEST (unsigned short, s) 
TEST (unsigned char,  c)

#define PLUSCCZEXT(C)	\
unsigned long pluscczext##C (unsigned int a, unsigned int b)	\
{	\
  unsigned int sum = a + b;	\
  if (sum < C)		\
    abort ();		\
  return sum;		\
}

PLUSCCZEXT(a)
PLUSCCZEXT(b)