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x86-64 fixes: long -> int, lea -> mov+inc

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[SVN r28015]
This commit is contained in:
Peter Dimov
2005-04-06 13:34:41 +00:00
parent 13c128f98f
commit 559056c856
1 changed files with 11 additions and 10 deletions
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21
include/boost/detail/sp_counted_base_gcc_x86.hpp
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@ -32,13 +32,13 @@ namespace boost
namespace detail namespace detail
{ {
inline long atomic_exchange_and_add( long * pw, long dv ) inline int atomic_exchange_and_add( int * pw, int dv )
{ {
// long r = *pw; // int r = *pw;
// *pw += dv; // *pw += dv;
// return r; // return r;
long r; int r;
__asm__ __volatile__ __asm__ __volatile__
( (
@ -52,7 +52,7 @@ inline long atomic_exchange_and_add( long * pw, long dv )
return r; return r;
} }
inline void atomic_increment( long * pw ) inline void atomic_increment( int * pw )
{ {
//atomic_exchange_and_add( pw, 1 ); //atomic_exchange_and_add( pw, 1 );
@ -66,13 +66,13 @@ inline void atomic_increment( long * pw )
); );
} }
inline long atomic_conditional_increment( long * pw ) inline int atomic_conditional_increment( int * pw )
{ {
// long r = *pw; // int r = *pw;
// if( r != 0 ) ++*pw; // if( r != 0 ) ++*pw;
// return r; // return r;
long r; int r;
__asm__ __asm__
( (
@ -80,7 +80,8 @@ inline long atomic_conditional_increment( long * pw )
"0:\n\t" "0:\n\t"
"test %%eax, %%eax\n\t" "test %%eax, %%eax\n\t"
"je 1f\n\t" "je 1f\n\t"
"leal 1(%%eax), %%ebx\n\t" "movl %%eax, %%ebx\n\t"
"incl %%ebx\n\t"
"lock\n\t" "lock\n\t"
"cmpxchgl %%ebx, %0\n\t" "cmpxchgl %%ebx, %0\n\t"
"jne 0b\n\t" "jne 0b\n\t"
@ -100,8 +101,8 @@ private:
sp_counted_base( sp_counted_base const & ); sp_counted_base( sp_counted_base const & );
sp_counted_base & operator= ( sp_counted_base const & ); sp_counted_base & operator= ( sp_counted_base const & );
long use_count_; // #shared int use_count_; // #shared
long weak_count_; // #weak + (#shared != 0) int weak_count_; // #weak + (#shared != 0)
public: public: