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Moved global register saving from the backend to codeGen
[ghc-hetmet.git]
/
compiler
/
nativeGen
/
MachRegs.lhs
diff --git
a/compiler/nativeGen/MachRegs.lhs
b/compiler/nativeGen/MachRegs.lhs
index
df3be5e
..
c4f84a4
100644
(file)
--- a/
compiler/nativeGen/MachRegs.lhs
+++ b/
compiler/nativeGen/MachRegs.lhs
@@
-343,6
+343,10
@@
get_Regtable_addr_from_offset rep offset
-- Here we generate the sequence of saves/restores required around a
-- foreign call instruction.
-- Here we generate the sequence of saves/restores required around a
-- foreign call instruction.
+-- TODO: reconcile with includes/Regs.h
+-- * Regs.h claims that BaseReg should be saved last and loaded first
+-- * This might not have been tickled before since BaseReg is callee save
+-- * Regs.h saves SparkHd, ParkT1, SparkBase and SparkLim
callerSaveVolatileRegs :: Maybe [GlobalReg] -> ([CmmStmt], [CmmStmt])
callerSaveVolatileRegs vols = (caller_save, caller_load)
where
callerSaveVolatileRegs :: Maybe [GlobalReg] -> ([CmmStmt], [CmmStmt])
callerSaveVolatileRegs vols = (caller_save, caller_load)
where