internal/gc.h rework

Improved readability by reducing the use of macros.  Also moved some
part of internal/compilers.h into this file, because it seems to be the
right place for them.

1 files changed, 0 insertions, 18 deletions

diff --git a/internal/compilers.h b/internal/compilers.h
index 781dd9cfc9..0f470937c5 100644
--- a/internal/compilers.h
+++ b/internal/compilers.h
@@ -236,22 +236,4 @@ rb_obj_builtin_type(VALUE obj)
 # define BITFIELD(type, name, size) unsigned int name : size
 #endif
 
-#if defined(USE_UNALIGNED_MEMBER_ACCESS) && USE_UNALIGNED_MEMBER_ACCESS && \
-    (defined(__clang__) || GCC_VERSION_SINCE(9, 0, 0))
-#include "warnings.h"
-# define UNALIGNED_MEMBER_ACCESS(expr) __extension__({ \
-    COMPILER_WARNING_PUSH; \
-    COMPILER_WARNING_IGNORED(-Waddress-of-packed-member); \
-    typeof(expr) unaligned_member_access_result = (expr); \
-    COMPILER_WARNING_POP; \
-    unaligned_member_access_result; \
-})
-#else
-# define UNALIGNED_MEMBER_ACCESS(expr) expr
-#endif
-#define UNALIGNED_MEMBER_PTR(ptr, mem) UNALIGNED_MEMBER_ACCESS(&(ptr)->mem)
-
-#undef RB_OBJ_WRITE
-#define RB_OBJ_WRITE(a, slot, b) UNALIGNED_MEMBER_ACCESS(rb_obj_write((VALUE)(a), (VALUE *)(slot), (VALUE)(b), __FILE__, __LINE__))
-
 #endif /* INTERNAL_COMPILERS_H */