Commit 2b32e867 authored by Simon Marlow's avatar Simon Marlow

comments

parent 4a5f99b5
......@@ -60,8 +60,9 @@ data CmmNode e x where
-- Semantics: clobbers any GlobalRegs for which callerSaves r == True
-- See Note [foreign calls clobber GlobalRegs]
--
-- Also, there is a current bug for what can be put in
-- arguments, see Note [Register Parameter Passing]
-- Invariant: the arguments and the ForeignTarget must not
-- mention any registers for which CodeGen.Platform.callerSaves
-- is True. See Note [Register Parameter Passing].
CmmBranch :: ULabel -> CmmNode O C
-- Goto another block in the same procedure
......
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