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Constraints fixed (again), volatile/memory clobber removed from conditional_inc

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[SVN r27983]
This commit is contained in:
Peter Dimov
2005-04-05 16:04:36 +00:00
parent d0656015ad
commit 319836fe78
1 changed files with 3 additions and 3 deletions
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6
include/boost/detail/sp_counted_base_gcc_x86.hpp
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@@ -74,7 +74,7 @@ inline long atomic_conditional_increment( long * pw )
long r;
__asm__ __volatile__
__asm__
(
"movl %0, %%eax\n\t"
"0:\n\t"
@@ -85,9 +85,9 @@ inline long atomic_conditional_increment( long * pw )
"cmpxchgl %%ebx, %0\n\t"
"jne 0b\n\t"
"1:":
"=m"( *pw ), "=&%eax"( r ): // outputs (%0, %1)
"=m"( *pw ), "=&a"( r ): // outputs (%0, %1)
"m"( *pw ): // input (%2)
"%ebx", "memory", "cc" // clobbers
"ebx", "cc" // clobbers
);
return r;