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Give manifestSP better information about the actual SP location.
[ghc-hetmet.git]
/
compiler
/
cmm
/
CmmCallConv.hs
diff --git
a/compiler/cmm/CmmCallConv.hs
b/compiler/cmm/CmmCallConv.hs
index
24adb99
..
e7d0acc
100644
(file)
--- a/
compiler/cmm/CmmCallConv.hs
+++ b/
compiler/cmm/CmmCallConv.hs
@@
-47,7
+47,8
@@
assignArgumentsPos conv arg_ty reps = assignments
(_, NativeDirectCall) -> getRegsWithoutNode
([_], NativeReturn) -> allRegs
(_, NativeReturn) -> getRegsWithNode
(_, NativeDirectCall) -> getRegsWithoutNode
([_], NativeReturn) -> allRegs
(_, NativeReturn) -> getRegsWithNode
- (_, GC) -> getRegsWithNode
+ -- GC calling convention *must* put values in registers
+ (_, GC) -> allRegs
(_, PrimOpCall) -> allRegs
([_], PrimOpReturn) -> allRegs
(_, PrimOpReturn) -> getRegsWithNode
(_, PrimOpCall) -> allRegs
([_], PrimOpReturn) -> allRegs
(_, PrimOpReturn) -> getRegsWithNode
@@
-61,6
+62,7
@@
assignArgumentsPos conv arg_ty reps = assignments
(reg_assts, stk_args) = assign_regs [] reps regs
stk_args' = case conv of NativeReturn -> part
PrimOpReturn -> part
(reg_assts, stk_args) = assign_regs [] reps regs
stk_args' = case conv of NativeReturn -> part
PrimOpReturn -> part
+ GC | length stk_args /= 0 -> panic "Failed to allocate registers for GC call"
_ -> stk_args
where part = uncurry (++)
(L.partition (not . isGcPtrType . arg_ty) stk_args)
_ -> stk_args
where part = uncurry (++)
(L.partition (not . isGcPtrType . arg_ty) stk_args)