diff options
| author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2009-10-11 00:04:10 +0000 |
|---|---|---|
| committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2009-10-11 00:04:10 +0000 |
| commit | 2503de61fc96c932c4172d7c4b48d2dded5679e6 (patch) | |
| tree | a5f5ce2673f383b9c5ae565630c385a58383a627 /include | |
| parent | eac0bd97145056be0db3284d935d04b83eead301 (diff) | |
* include/ruby/ruby.h (RB_GC_GUARD_PTR): workaround for gcc
optimization.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25294 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'include')
| -rw-r--r-- | include/ruby/ruby.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/include/ruby/ruby.h b/include/ruby/ruby.h index 6e86cbeec6..19f146e4ad 100644 --- a/include/ruby/ruby.h +++ b/include/ruby/ruby.h @@ -387,7 +387,13 @@ enum ruby_value_type { static inline int rb_type(VALUE obj); #define TYPE(x) rb_type((VALUE)(x)) -#define RB_GC_GUARD(v) (*(volatile VALUE *)&(v)) +#ifdef __GNUC__ +#define RB_GC_GUARD_PTR(ptr) \ + __extension__ ({volatile VALUE *rb_gc_guarded_ptr = (ptr); rb_gc_guarded_ptr;}) +#else +#define RB_GC_GUARD_PTR(ptr) (volatile VALUE *)(ptr) +#endif +#define RB_GC_GUARD(v) (*RB_GC_GUARD_PTR(&(v))) void rb_check_type(VALUE,int); #define Check_Type(v,t) rb_check_type((VALUE)(v),t) |