1 # Stefan Teleman <[email protected]>

     2 # Port of CilkPlus (libcilkrts) to SPARC andd Solaris.

     3 # Internal patch. SPARC specific:

     4 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68945

     5 --- libcilkrts/runtime/config/generic/os-unix-sysdep.c	2013-10-29 11:37:47.000000000 -0700

     6 +++ libcilkrts/runtime/config/generic/os-unix-sysdep.c	2015-08-06 10:27:40.088975924 -0700

     7 @@ -43,22 +43,55 @@

     8  #include "os.h"

     9  #include "sysdep.h"

    10  

    11 +#if defined(__sparc) || defined(__sparc__)

    12 +# include <sys/times.h>

    13 +# include <limits.h>

    14 +#endif

    15 +

    16  /*

    17   * The cycle counter is used for debugging.  This funciton is only called if

    18   * CILK_PROFILE is defined when the runtime is built.

    19   */

    20  COMMON_SYSDEP unsigned long long __cilkrts_getticks(void)

    21  {

    22 +#if defined(__sparc) || defined(__sparc__)

    23 +  struct tms t;

    24 +

    25 +  if (times(&t) != (clock_t) -1)

    26 +    return (unsigned long long) (t.tms_utime + t.tms_stime);

    27 +

    28 +  return 0ULL;

    29 +#else

    30  #   warning "unimplemented cycle counter"

    31      return 0;

    32 +#endif

    33 +}

    34 +

    35 +#if defined(__sparc) || defined(__sparc__)

    36 +#include "os-fence.h"

    37 +/*

    38 + * SPARC V9 __cilkrts_fence implementation

    39 + */

    40 +COMMON_SYSDEP void __cilkrts_fence(void)

    41 +{

    42 +  __asm__ __volatile__ ("membar #LoadLoad | #LoadStore | #StoreStore | #StoreLoad" ::: "memory");

    43  }

    44 +#endif

    45  

    46  /*

    47   * A "short pause" - called from the Cilk runtime's spinloops.

    48   */

    49  COMMON_SYSDEP void __cilkrts_short_pause(void)

    50  {

    51 +#if defined(__sparc) || defined(__sparc__)

    52 +  /* spin around for 8 cycles */

    53 +  __asm__ __volatile__("rd %ccr, %g0");

    54 +  __asm__ __volatile__("rd %ccr, %g0");

    55 +  __asm__ __volatile__("rd %ccr, %g0");

    56 +  __asm__ __volatile__("rd %ccr, %g0");

    57 +#else

    58  #   warning __cilkrts_short_pause empty

    59 +#endif

    60  }

    61  

    62  /*