components/runtime/openjdk-7/patches/patch-hotspot_src_os__cpu_solaris__x86_vm_prefetch__solaris__x86.inline.hpp.patch

   1 $NetBSD: patch-hotspot_src_os__cpu_solaris__x86_vm_prefetch__solaris__x86.inline.hpp,v 1.1 2013/06/15 09:31:05 jperkin Exp $
   2
   3 GCC compatability.
   4
   5 --- hotspot/src/os_cpu/solaris_x86/vm/prefetch_solaris_x86.inline.hpp.orig      2013-02-19 23:21:59.000000000 +0000
   6 +++ hotspot/src/os_cpu/solaris_x86/vm/prefetch_solaris_x86.inline.hpp
   7 @@ -34,14 +34,28 @@ extern "C" {
   8
   9  inline void Prefetch::read (void *loc, intx interval) {
  10  #ifdef AMD64
  11 +#ifdef SPARC_WORKS
  12    _Prefetch_read(loc, interval);
  13 +#else
  14 +#ifdef _GNU_SOURCE
  15 +  __asm__ ("prefetcht0 (%0,%1,1)" : : "r" (loc), "r" (interval));
  16 +#endif // _GNU_SOURCE
  17 +#endif // SPARC_WORKS
  18  #endif // AMD64
  19  }
  20
  21  // Use of this method should be gated by VM_Version::has_prefetchw.
  22  inline void Prefetch::write(void *loc, intx interval) {
  23  #ifdef AMD64
  24 +#ifdef SPARC_WORKS
  25    _Prefetch_write(loc, interval);
  26 +#else
  27 +#ifdef _GNU_SOURCE
  28 +  // Do not use the 3dnow prefetchw instruction.  It isn't supported on em64t.
  29 +  //  __asm__ ("prefetchw (%0,%1,1)" : : "r" (loc), "r" (interval));
  30 +  __asm__ ("prefetcht0 (%0,%1,1)" : : "r" (loc), "r" (interval));
  31 +#endif // _GNU_SOURCE
  32 +#endif // SPARC_WORKS
  33  #endif // AMD64
  34  }
  35