Subversion Repositories openrisc_2011-10-31

/* { dg-do compile } */

/* { dg-options "-mgp64 -O" } */

#define TEST(ID, TYPE1, TYPE2)                                  \

  union u##ID {                                                 \

    TYPE1 m1[sizeof (TYPE2) / sizeof (TYPE1)];                  \

    TYPE2 m2;                                                   \

  };                                                            \

                                                                \

  /* The MIPS16 versions of the shifts we need are too          \

     expensive.  */                                             \

  TYPE1 __attribute__((nomips16))                               \

  f##ID (TYPE2 x, union u##ID *u)                               \

  {                                                             \

    u->m2 = x;                                                  \

    return (u->m1[0]                                             \

            + u->m1[sizeof (TYPE2) / sizeof (TYPE1) - 1]);      \

  }                                                             \

                                                                \

  TYPE1 __attribute__((nomips16))                               \

  g##ID (union u##ID *u)                                        \

  {                                                             \

    u->m2 = 0;                                                   \

    return (u->m1[0] | u->m1[1]);                                \

  }

TEST (1, unsigned int, unsigned long long);

TEST (2, int, long long);

TEST (3, unsigned short, unsigned long long);

TEST (4, short, long long);

TEST (5, unsigned char, unsigned long long);

TEST (6, signed char, long long);

TEST (7, unsigned short, unsigned int);

TEST (8, short, int);

TEST (9, unsigned char, unsigned int);

TEST (10, signed char, int);

TEST (11, unsigned char, unsigned short);

TEST (12, signed char, short);

/* { dg-final { scan-assembler-not "\tlh\t" } } */

/* { dg-final { scan-assembler-not "\tlhu\t" } } */

/* { dg-final { scan-assembler-not "\tlw\t" } } */

/* { dg-final { scan-assembler-not "\tlwu\t" } } */

/* { dg-final { scan-assembler-not "\tlb\t" } } */

/* { dg-final { scan-assembler-not "\tlbu\t" } } */