Merge branch 'master' of http://darcs.haskell.org/ghc

5 files changed, 26 insertions, 15 deletions

diff --git a/compiler/cmm/CLabel.hs b/compiler/cmm/CLabel.hs
index c151a26391..901b13b342 100644
--- a/compiler/cmm/CLabel.hs
+++ b/compiler/cmm/CLabel.hs
@@ -101,7 +101,7 @@ module CLabel (
         hasCAF,
 	infoLblToEntryLbl, entryLblToInfoLbl, cvtToClosureLbl, cvtToSRTLbl,
 	needsCDecl, isAsmTemp, maybeAsmTemp, externallyVisibleCLabel,
-        isMathFun,
+        isMathFun, isCas,
  	isCFunctionLabel, isGcPtrLabel, labelDynamic,
 
 	pprCLabel
@@ -590,9 +590,17 @@ maybeAsmTemp (AsmTempLabel uq) 		= Just uq
 maybeAsmTemp _ 	    	       		= Nothing
 
 
+-- | Check whether a label corresponds to our cas function.
+--      We #include the prototype for this, so we need to avoid
+--      generating out own C prototypes.
+isCas :: CLabel -> Bool
+isCas (CmmLabel pkgId fn _) = pkgId == rtsPackageId && fn == fsLit "cas"
+isCas _                     = False
+
+
 -- | Check whether a label corresponds to a C function that has 
 --      a prototype in a system header somehere, or is built-in
---      to the C compiler. For these labels we abovoid generating our
+--      to the C compiler. For these labels we avoid generating our
 --      own C prototypes.
 isMathFun :: CLabel -> Bool
 isMathFun (ForeignLabel fs _ _ _) 	= fs `elementOfUniqSet` math_funs
diff --git a/compiler/cmm/PprC.hs b/compiler/cmm/PprC.hs
index 10f4e8bacf..d363cef50b 100644
--- a/compiler/cmm/PprC.hs
+++ b/compiler/cmm/PprC.hs
@@ -248,7 +248,7 @@ pprStmt stmt = case stmt of
                 | CmmNeverReturns <- ret ->
                     let myCall = pprCall (pprCLabel lbl) cconv results args safety
                     in (real_fun_proto lbl, myCall)
-                | not (isMathFun lbl) ->
+                | not (isMathFun lbl || isCas lbl) ->
                     let myCall = braces (
                                      pprCFunType (char '*' <> text "ghcFunPtr") cconv results args <> semi
                                   $$ text "ghcFunPtr" <+> equals <+> cast_fn <> semi
diff --git a/compiler/llvmGen/LlvmCodeGen/Regs.hs b/compiler/llvmGen/LlvmCodeGen/Regs.hs
index 661dc9afe4..b0c63a4c34 100644
--- a/compiler/llvmGen/LlvmCodeGen/Regs.hs
+++ b/compiler/llvmGen/LlvmCodeGen/Regs.hs
@@ -38,6 +38,8 @@ lmGlobalReg suf reg
         VanillaReg 4 _ -> wordGlobal $ "R4" ++ suf
         VanillaReg 5 _ -> wordGlobal $ "R5" ++ suf
         VanillaReg 6 _ -> wordGlobal $ "R6" ++ suf
+        VanillaReg 7 _ -> wordGlobal $ "R7" ++ suf
+        VanillaReg 8 _ -> wordGlobal $ "R8" ++ suf
         SpLim          -> wordGlobal $ "SpLim" ++ suf
         FloatReg 1     -> floatGlobal $"F1" ++ suf
         FloatReg 2     -> floatGlobal $"F2" ++ suf
diff --git a/compiler/main/StaticFlagParser.hs b/compiler/main/StaticFlagParser.hs
index 54f0a92115..5767a52552 100644
--- a/compiler/main/StaticFlagParser.hs
+++ b/compiler/main/StaticFlagParser.hs
@@ -210,7 +210,6 @@ unregFlags :: [Located String]
 unregFlags = map (mkGeneralLocated "in unregFlags")
    [ "-optc-DNO_REGS"
    , "-optc-DUSE_MINIINTERPRETER"
-   , "-fno-asm-mangling"
    , "-funregisterised" ]
 
 -----------------------------------------------------------------------------
diff --git a/ghc/ghc.mk b/ghc/ghc.mk
index 8776566106..93199d9e68 100644
--- a/ghc/ghc.mk
+++ b/ghc/ghc.mk
@@ -111,21 +111,23 @@ all_ghc_stage3 : $(GHC_STAGE3)
 $(INPLACE_LIB)/extra-gcc-opts : extra-gcc-opts
 	"$(CP)" $< $@
 
-# The GHC programs need to depend on all the helper programs they might call
+# The GHC programs need to depend on all the helper programs they might call,
+# and the settings files they use
+
+$(GHC_STAGE1) : | $(UNLIT) $(INPLACE_LIB)/extra-gcc-opts
+$(GHC_STAGE2) : | $(UNLIT) $(INPLACE_LIB)/extra-gcc-opts
+$(GHC_STAGE3) : | $(UNLIT) $(INPLACE_LIB)/extra-gcc-opts
+
 ifeq "$(GhcUnregisterised)" "NO"
-$(GHC_STAGE1) : $(SPLIT)
-$(GHC_STAGE2) : $(SPLIT)
-$(GHC_STAGE3) : $(SPLIT)
+$(GHC_STAGE1) : | $(SPLIT)
+$(GHC_STAGE2) : | $(SPLIT)
+$(GHC_STAGE3) : | $(SPLIT)
 endif
 
-$(GHC_STAGE1) : $(INPLACE_LIB)/extra-gcc-opts
-$(GHC_STAGE2) : $(INPLACE_LIB)/extra-gcc-opts
-$(GHC_STAGE3) : $(INPLACE_LIB)/extra-gcc-opts
-
 ifeq "$(Windows)" "YES"
-$(GHC_STAGE1) : $(TOUCHY)
-$(GHC_STAGE2) : $(TOUCHY)
-$(GHC_STAGE3) : $(TOUCHY)
+$(GHC_STAGE1) : | $(TOUCHY)
+$(GHC_STAGE2) : | $(TOUCHY)
+$(GHC_STAGE3) : | $(TOUCHY)
 endif
 
 ifeq "$(BootingFromHc)" "YES"