X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2FnativeGen%2FMachInstrs.hs;h=5a8d3f17f8dedaedc04271ae155cb25cee947a52;hb=97169c5dd31537b28f5f8ad08cd6cdf82c1ecefd;hp=5ed8c0c4dee5c93018dbfdaefbc1a96dd202c77d;hpb=f96e9aa0444de0e673b3c4055c6e43299639bc5b;p=ghc-hetmet.git

diff --git a/compiler/nativeGen/MachInstrs.hs b/compiler/nativeGen/MachInstrs.hs
index 5ed8c0c..5a8d3f1 100644
--- a/compiler/nativeGen/MachInstrs.hs
+++ b/compiler/nativeGen/MachInstrs.hs
@@ -1,3 +1,10 @@
+{-# OPTIONS -w #-}
+-- The above warning supression flag is a temporary kludge.
+-- While working on this module you are encouraged to remove it and fix
+-- any warnings in the module. See
+--     http://hackage.haskell.org/trac/ghc/wiki/Commentary/CodingStyle#Warnings
+-- for details
+
 -----------------------------------------------------------------------------
 --
 -- Machine-dependent assembly language
@@ -52,8 +59,8 @@ import GHC.Exts
 -- Our flavours of the Cmm types
 
 -- Type synonyms for Cmm populated with native code
-type NatCmm        = GenCmm CmmStatic [CmmStatic] Instr
-type NatCmmTop     = GenCmmTop CmmStatic [CmmStatic] Instr
+type NatCmm        = GenCmm CmmStatic [CmmStatic] (ListGraph Instr)
+type NatCmmTop     = GenCmmTop CmmStatic [CmmStatic] (ListGraph Instr)
 type NatBasicBlock = GenBasicBlock Instr
 
 -- -----------------------------------------------------------------------------
@@ -226,6 +233,9 @@ data Instr
   | DELTA   Int                 -- specify current stack offset for
                                 -- benefit of subsequent passes
 
+  | SPILL   Reg Int		-- ^ spill this reg to a stack slot
+  | RELOAD  Int Reg		-- ^ reload this reg from a stack slot
+
 -- -----------------------------------------------------------------------------
 -- Alpha instructions