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-rw-r--r--gcc/ChangeLog3
-rw-r--r--gcc/doc/generic.texi5
2 files changed, 8 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 04b02f1..b8c5708 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,8 @@
2013-10-11 Thomas Schwinge <thomas@codesourcery.com>
+ * doc/generic.texi (Adding new DECL node types): Explain *_CHECK
+ macros.
+
* doc/gimple.texi (is_gimple_omp): Move into the correct section.
* acinclude.m4 (gcc_GAS_FLAGS): Add more gcc_cv_as_flags
diff --git a/gcc/doc/generic.texi b/gcc/doc/generic.texi
index cacab01..07e3f5a 100644
--- a/gcc/doc/generic.texi
+++ b/gcc/doc/generic.texi
@@ -924,6 +924,11 @@ structures, something like the following should be used
(BASE_STRUCT_CHECK(NODE)->base_struct.fieldname
@end smallexample
+Reading them from the generated @file{all-tree.def} file (which in
+turn includes all the @file{tree.def} files), @file{gencheck.c} is
+used during GCC's build to generate the @code{*_CHECK} macros for all
+tree codes.
+
@end table