CmmParse: Clarify description of calling convention

1 files changed, 4 insertions, 1 deletions

diff --git a/compiler/cmm/CmmParse.y b/compiler/cmm/CmmParse.y
index 000f805b5d..555aed25df 100644
--- a/compiler/cmm/CmmParse.y
+++ b/compiler/cmm/CmmParse.y
@@ -190,7 +190,10 @@ jump f (info_ptr, field1,..,fieldN) (arg1,..,argN)
 
 where info_ptr and field1..fieldN describe the stack frame, and
 arg1..argN are the arguments passed to f using the NativeNodeCall
-convention.
+convention. Note if a field is longer than a word (e.g. a D_ on
+a 32-bit machine) then the call will push as many words as
+necessary to the stack to accomodate it (e.g. 2).
+
 
 ----------------------------------------------------------------------------- -}