From 2503de61fc96c932c4172d7c4b48d2dded5679e6 Mon Sep 17 00:00:00 2001 From: nobu Date: Sun, 11 Oct 2009 00:04:10 +0000 Subject: * 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 --- include/ruby/ruby.h | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'include') 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) -- cgit v1.2.3