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Add clarifying comments
[ghc-hetmet.git]
/
compiler
/
codeGen
/
SMRep.lhs
diff --git
a/compiler/codeGen/SMRep.lhs
b/compiler/codeGen/SMRep.lhs
index
ed0a440
..
4bc1222
100644
(file)
--- a/
compiler/codeGen/SMRep.lhs
+++ b/
compiler/codeGen/SMRep.lhs
@@
-119,8
+119,10
@@
entry to the garbage collector.
\begin{code}
data CgRep
= VoidArg -- Void
\begin{code}
data CgRep
= VoidArg -- Void
- | PtrArg -- Word-sized Ptr
+ | PtrArg -- Word-sized heap pointer, followed
+ -- by the garbage collector
| NonPtrArg -- Word-sized non-pointer
| NonPtrArg -- Word-sized non-pointer
+ -- (including addresses not followed by GC)
| LongArg -- 64-bit non-pointer
| FloatArg -- 32-bit float
| DoubleArg -- 64-bit float
| LongArg -- 64-bit non-pointer
| FloatArg -- 32-bit float
| DoubleArg -- 64-bit float