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[CPP PATCH] node field bits 

https://gcc.gnu.org/ml/gcc-patches/2018-08/msg01171.html
	* include/cpplib.h: Fixup some whitespace.
	(cpp_hashnode): Reduce type to 2 bit & flags to 8.

From-SVN: r263669
This commit is contained in:
Nathan Sidwell 2018-08-20 17:45:42 +00:00 committed by Nathan Sidwell
parent a570d97f5b
commit a5a3524717
2 changed files with 8 additions and 3 deletions
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3
libcpp/ChangeLog
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@ -1,5 +1,8 @@
2018-08-20 Nathan Sidwell <nathan@acm.org>
* include/cpplib.h: Fixup some whitespace.
(cpp_hashnode): Reduce type to 2 bit & flags to 8.
* include/cpplib.h (NODE_BUILTIN, NODE_MACRO_ARG): Delete.
Renumber others.
(enum node_type): Replace NT_MACRO with NT_USER_MACRO,

8
libcpp/include/cpplib.h
View File

@ -813,8 +813,10 @@ struct GTY(()) cpp_hashnode {
then index into directive table.
Otherwise, a NODE_OPERATOR. */
unsigned char rid_code; /* Rid code - for front ends. */
ENUM_BITFIELD(node_type) type : 6; /* CPP node type. */
unsigned int flags : 10; /* CPP flags. */
ENUM_BITFIELD(node_type) type : 2; /* CPP node type. */
unsigned int flags : 8; /* CPP flags. */
/* 6 bits spare (plus another 32 on 64-bit hosts). */
union _cpp_hashnode_value GTY ((desc ("%1.type"))) value;
};
@ -940,7 +942,6 @@ extern const cpp_token *cpp_get_token_with_location (cpp_reader *,
inline bool cpp_user_macro_p (const cpp_hashnode *node)
{
return node->type == NT_USER_MACRO;
}
inline bool cpp_builtin_macro_p (const cpp_hashnode *node)
{
@ -950,6 +951,7 @@ inline bool cpp_macro_p (const cpp_hashnode *node)
{
return node->type & NT_MACRO_MASK;
}
/* Returns true if NODE is a function-like user macro. */
inline bool cpp_fun_like_macro_p (cpp_hashnode *node)
{