Fix some holes in the SPARC native code generator.

[ghc-hetmet.git] / compiler / nativeGen / MachRegs.lhs

diff --git a/compiler/nativeGen/MachRegs.lhs b/compiler/nativeGen/MachRegs.lhs
index b4af046..9c80423 100644 (file)
--- a/compiler/nativeGen/MachRegs.lhs
+++ b/compiler/nativeGen/MachRegs.lhs
@@ -195,9 +195,9 @@ data Size
 #if sparc_TARGET_ARCH /* || powerpc_TARGET_ARCH */
 data Size
     = II8     -- byte (signed)
-    | II8u    -- byte (unsigned)
+--    | II8u    -- byte (unsigned)
     | II16    -- halfword (signed, 2 bytes)
-    | II16u   -- halfword (unsigned, 2 bytes)
+--   | II16u   -- halfword (unsigned, 2 bytes)
     | II32    -- word (4 bytes)
     | II64    -- word (8 bytes)
     | FF32    -- IEEE single-precision floating pt
@@ -207,7 +207,8 @@ data Size
 
 intSize, floatSize :: Width -> Size
 intSize W8  = II8
-intSize W16 = II16u
+--intSize W16 = II16u
+intSize W16 = II16
 intSize W32 = II32
 intSize W64 = II64
 intSize other = pprPanic "MachInstrs.intSize" (ppr other)
@@ -232,9 +233,9 @@ sizeToWidth :: Size -> Width
 sizeToWidth size
  = case size of
        II8             -> W8
-       II8u            -> W8
+--     II8u            -> W8
        II16            -> W16
-       II16u           -> W16
+--     II16u           -> W16
        II32            -> W32
        II64            -> W64
        FF32            -> W32
@@ -1405,6 +1406,7 @@ freeReg rsp = fastBool False  --  %rsp is the C stack pointer
 
 #if sparc_TARGET_ARCH
 freeReg g0 = fastBool False  --        %g0 is always 0.
+
 freeReg g5 = fastBool False  --        %g5 is reserved (ABI).
 freeReg g6 = fastBool False  --        %g6 is reserved (ABI).
 freeReg g7 = fastBool False  --        %g7 is reserved (ABI).
@@ -1414,6 +1416,19 @@ freeReg o6 = fastBool False  --  %o6 is our stack pointer.
 freeReg o7 = fastBool False  --        %o7 holds ret addrs (???)
 freeReg f0 = fastBool False  --  %f0/%f1 are the C fp return registers.
 freeReg f1 = fastBool False
+
+-- TODO: Not sure about these BL 2009/01/10
+--     Used for NCG spill tmps? what is this?
+
+{-
+freeReg g1  = fastBool False  -- %g1 is used for NCG spill tmp
+freeReg g2  = fastBool False 
+freeReg f6  = fastBool False
+freeReg f8  = fastBool False
+freeReg f26 = fastBool False
+freeReg f27 = fastBool False
+-}
+
 #endif
 
 #if powerpc_TARGET_ARCH