code.vuplus.com Git - vuplus_openembedded/blob - packages/boost/files/arm-intrinsics.patch

   1 diff -Nurd boost_1_36_0.orig/boost/detail/atomic_count_sync.hpp boost_1_36_0.arm/boost/detail/atomic_count_sync.hpp
   2 --- boost_1_36_0.orig/boost/detail/atomic_count_sync.hpp        2007-11-23 12:03:14.000000000 -0500
   3 +++ boost_1_36_0.arm/boost/detail/atomic_count_sync.hpp 2008-09-09 13:15:21.000000000 -0400
   4 @@ -29,17 +29,46 @@
   5
   6      void operator++()
   7      {
   8 +#ifdef __ARM_ARCH_7A__
   9 +       int v1, tmp;
  10 +       asm volatile ("1:                 \n\t"
  11 +                     "ldrex   %0, %1     \n\t"
  12 +                     "add     %0 ,%0, #1 \n\t"
  13 +                     "strex   %2, %0, %1 \n\t"
  14 +                     "cmp     %2, #0     \n\t"
  15 +                     "bne     1b         \n\t"
  16 +                     : "=&r" (v1), "+Q"(value_), "=&r"(tmp)
  17 +                    );
  18 +#else
  19          __sync_add_and_fetch( &value_, 1 );
  20 +#endif
  21      }
  22
  23      long operator--()
  24      {
  25 +#ifdef __ARM_ARCH_7A__
  26 +       int v1, tmp;
  27 +       asm volatile ("1:                 \n\t"
  28 +                     "ldrex   %0, %1     \n\t"
  29 +                     "sub     %0 ,%0, #1 \n\t"
  30 +                     "strex   %2, %0, %1 \n\t"
  31 +                     "cmp     %2, #0     \n\t"
  32 +                     "bne     1b         \n\t"
  33 +                     : "=&r" (v1), "+Q"(value_), "=&r"(tmp)
  34 +                    );
  35 +       return value_;
  36 +#else
  37          return __sync_add_and_fetch( &value_, -1 );
  38 +#endif
  39      }
  40
  41      operator long() const
  42      {
  43 +#if __ARM_ARCH_7A__
  44 +        return value_;
  45 +#else
  46          return __sync_fetch_and_add( &value_, 0 );
  47 +#endif
  48      }
  49
  50  private:
  51 Binary files boost_1_36_0.orig/boost/detail/.atomic_count_sync.hpp.swp and boost_1_36_0.arm/boost/detail/.atomic_count_sync.hpp.swp differ