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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.target/] [rx/] [builtins.c] - Blame information for rev 328

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Line No. Rev Author Line
1 323 jeremybenn 
/* { dg-do run } */
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/* { dg-options "-fno-ipa-cp-clone" } */
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/* Verify that the RX specific builtin functions work.  */
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/* IPA CP cloning is disabled because the constant propagation
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   has no understanding of the saturation behaviour of the
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   __builtin_rx_sat function and so it will optimize away the
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   saturation addition test.  */
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#include <stdlib.h>
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#include <stdio.h>
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/* We need to prevent these functions from being inlined
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   as otherwise gcc will attempt to optimize away their
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   arguments and we need the operations on them in order
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   to correctly set the psw flags.  */
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int saturate_add         (int, int)      __attribute__((__noinline__));
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int exchange             (int, int)      __attribute__((__noinline__));
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int
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half_word_swap (int arg)
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{
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  return __builtin_rx_revw (arg);
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}
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int
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saturate_add (int arg1, int arg2)
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{
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  arg1 += arg2;
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  return __builtin_rx_sat (arg1);
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}
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int
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exchange (int arg1, int arg2)
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{
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  arg1 = __builtin_rx_xchg (arg2);
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  return arg1;
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}
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long
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multiply_and_accumulate (long arg1, long arg2, long arg3)
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{
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  __builtin_rx_mvtaclo (0);
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  __builtin_rx_mvtachi (0);
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  __builtin_rx_mullo (arg1, arg2);
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  __builtin_rx_mulhi (arg1, arg2);
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  __builtin_rx_maclo (arg1, arg3);
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  __builtin_rx_machi (arg1, arg3);
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  __builtin_rx_racw (1);
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  arg1 = __builtin_rx_mvfachi ();
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  arg1 += __builtin_rx_mvfacmi ();
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  return arg1;
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}
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int
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rxround (float arg)
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{
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  return __builtin_rx_round (arg);
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}
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/* #define DEBUG 1 */
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#ifdef DEBUG
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#define CHECK_0ARG(func, result)                                        \
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  if (func () != result)                                                \
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    {                                                                   \
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      printf (#func " () fails: %x not %x\n", func (), result);         \
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      abort ();                                                         \
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    }
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#define CHECK_1ARG(func, arg, result)                                   \
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  if (func (arg) != result)                                             \
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    {                                                                   \
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      printf (#func " (" #arg ") fails: %x not %x\n", func (arg), result); \
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      abort ();                                                         \
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    }
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#define CHECK_2ARG(func, arg1, arg2, result)                            \
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  if (func (arg1, arg2) != result)                                      \
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    {                                                                   \
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      printf (#func " (" #arg1 "," #arg2 ") fails: %x not %x\n",        \
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              func (arg1, arg2), result);                               \
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      abort ();                                                         \
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    }
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#define CHECK_3ARG(func, arg1, arg2, arg3, result)                      \
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  if (func (arg1, arg2, arg3) != result)                                \
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    {                                                                   \
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      printf (#func " (" #arg1 "," #arg2 "," #arg3 ") fails: %x not %x\n",      \
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              func (arg1, arg2, arg3), result);                         \
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      abort ();                                                         \
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    }
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#else
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#define CHECK_0ARG(func, result)                                        \
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  if (func () != result)                                                \
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    abort ();
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#define CHECK_1ARG(func, arg, result)                                   \
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  if (func (arg) != result)                                             \
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    abort ();
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#define CHECK_2ARG(func, arg1, arg2, result)                            \
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  if (func (arg1, arg2) != result)                                      \
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    abort ();
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#define CHECK_3ARG(func, arg1, arg2, arg3, result)                      \
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  if (func (arg1, arg2, arg3) != result)                                \
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    abort ();
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#endif
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int
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main (void)
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{
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  CHECK_1ARG (half_word_swap, 0x12345678, 0x34127856);
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  CHECK_2ARG (saturate_add, 0x80000000, 0x80000000, 0x80000000);
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  CHECK_3ARG (multiply_and_accumulate, 0x111, 0x222, 0x333, 0x70007);
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  CHECK_1ARG (rxround, 0.5, 1);
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  return 0;
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}
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/* The following builtins are compiled but
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   not executed because they need OS support.  */
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void
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rxbreak (void)
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{
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  __builtin_rx_brk ();
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}
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void
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interrupt (void)
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{
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  __builtin_rx_int (0x12);
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}
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int
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get_stack_pointer (void)
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{
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  return __builtin_rx_mvfc (2);
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}
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void
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set_stack_pointer (int value)
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{
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  __builtin_rx_mvtc (2, value);
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  __builtin_rx_mvtc (2, 0x1234);
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}
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void
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wait (void)
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{
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  __builtin_rx_wait ();
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}
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void
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rmpa (int * multiplicand, int * multiplier, int num)
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{
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  __builtin_rx_rmpa ();
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}
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void
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set_interrupts (void)
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{
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  __builtin_mvtipl (3);
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}

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