Subversion Repositories openrisc_2011-10-31

/* f1 checks that an mtlo is not moved before an mfhi.  f2 does the same

   for an mthi and an mflo.  */

/* { dg-do run { target mips*-*-* } } */

/* { dg-options "-mtune=rm7000" } */

extern void abort (void);

extern void exit (int);

#if !defined(__mips16)

#define DECLARE(TYPE)                                                   \

  TYPE __attribute__ ((noinline))                                       \

  f1##TYPE (TYPE x1, TYPE x2, TYPE x3)                                  \

  {                                                                     \

    TYPE t1, t2;                                                        \

                                                                        \

    asm ("mult\t%1,%2" : "=h" (t1) : "d" (x1), "d" (x2) : "lo");        \

    asm ("mflo\t%0" : "=r" (t2) : "l" (x3) : "hi");                     \

    return t1 + t2;                                                     \

  }                                                                     \

                                                                        \

  TYPE __attribute__ ((noinline))                                       \

  f2##TYPE (TYPE x1, TYPE x2, TYPE x3)                                  \

  {                                                                     \

    TYPE t1, t2;                                                        \

                                                                        \

    asm ("mult\t%1,%2" : "=l" (t1) : "d" (x1), "d" (x2) : "hi");        \

    asm ("mfhi\t%0" : "=r" (t2) : "h" (x3) : "lo");                     \

    return t1 + t2;                                                     \

  }

#define TEST(TYPE)                                                      \

  if (f1##TYPE (1, 2, 10) != 10)                                        \

    abort ();                                                           \

  if (f2##TYPE (1, 2, 40) != 42)                                        \

    abort ()

typedef char c;

typedef signed char sc;

typedef unsigned char uc;

typedef short s;

typedef unsigned short us;

typedef int i;

typedef unsigned int ui;

typedef long long ll;

typedef unsigned long long ull;

DECLARE (c)

DECLARE (sc)

DECLARE (uc)

DECLARE (s)

DECLARE (us)

DECLARE (i)

DECLARE (ui)

#if defined (__mips64)

DECLARE (ll)

DECLARE (ull)

#endif

int

main ()

{

  TEST (c);

  TEST (sc);

  TEST (uc);

  TEST (s);

  TEST (us);

  TEST (i);

  TEST (ui);

#if defined (__mips64)

  TEST (ll);

  TEST (ull);

#endif

  exit (0);

}

#else

int main () { exit (0); }

#endif