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authorJeff Law <law@gcc.gnu.org>1998-02-05 06:55:13 -0700
committerJeff Law <law@gcc.gnu.org>1998-02-05 06:55:13 -0700
commitc3356143b6d879dbc3a58b7747b2886c50cfb6c7 (patch)
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parent05d7b07760deed9b37abbc38fb59e2f5a8854de4 (diff)
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Document change in 3rd argument to DEFTREECODE.
From-SVN: r17667
Diffstat (limited to 'gcc/LANGUAGES')
-rw-r--r--gcc/LANGUAGES12
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/LANGUAGES b/gcc/LANGUAGES
index 31bae9f..216ad2e 100644
--- a/gcc/LANGUAGES
+++ b/gcc/LANGUAGES
@@ -29,4 +29,16 @@ Feb 1, 1998:
scheme. Other languages will need to be updated accordingly.
Contact amylaar@cygnus.com for additional information.
+?? 1997:
+ In an effort to decrease cache thrashing and useless loads we've changed the
+ third argument to the DEFTREECODE macro to be a single char. This will
+ effect languages that defined their own tree codes (usually in a .def file).
+
+ Old way:
+
+ DEFTREECODE (CLASS_METHOD_DECL, "class_method_decl", "d", 0)
+
+ New way:
+
+ DEFTREECODE (CLASS_METHOD_DECL, "class_method_decl", 'd', 0)