Remove code that is dead now that we need >= 6.12 to build

[ghc-hetmet.git] / compiler / cmm / CmmParse.y

diff --git a/compiler/cmm/CmmParse.y b/compiler/cmm/CmmParse.y
index 0ae88e2..51f29a8 100644 (file)
--- a/compiler/cmm/CmmParse.y
+++ b/compiler/cmm/CmmParse.y
@@ -8,7 +8,10 @@
 --
 -----------------------------------------------------------------------------
 
+-- TODO: Add support for interruptible/uninterruptible foreign call specification
+
 {
+{-# LANGUAGE BangPatterns #-} -- required for versions of Happy before 1.18.6
 {-# OPTIONS -Wwarn -w #-}
 -- The above warning supression flag is a temporary kludge.
 -- While working on this module you are encouraged to remove it and fix
@@ -401,7 +404,7 @@ stmt        :: { ExtCode }
         | 'return' maybe_actuals ';'
                { do e <- sequence $2; stmtEC (CmmReturn e) }
        | 'if' bool_expr '{' body '}' else      
-               { ifThenElse $2 $4 $6 }
+               { cmmIfThenElse $2 $4 $6 }
 
 opt_never_returns :: { CmmReturnInfo }
         :                               { CmmMayReturn }
@@ -726,6 +729,7 @@ callishMachOps = listToUFM $
 parseSafety :: String -> P CmmSafety
 parseSafety "safe"   = return (CmmSafe NoC_SRT)
 parseSafety "unsafe" = return CmmUnsafe
+parseSafety "interruptible" = return CmmInterruptible
 parseSafety str      = fail ("unrecognised safety: " ++ str)
 
 parseCmmHint :: String -> P ForeignHint
@@ -856,6 +860,9 @@ foreignCall conv_string results_code expr_code args_code vols safety ret
                 code (emitForeignCall' (PlaySafe unused) results 
                    (CmmCallee expr' convention) args vols NoC_SRT ret) where
                unused = panic "not used by emitForeignCall'"
+              CmmInterruptible ->
+                code (emitForeignCall' PlayInterruptible results 
+                   (CmmCallee expr' convention) args vols NoC_SRT ret)
 
 adjCallTarget :: CCallConv -> CmmExpr -> [CmmHinted CmmExpr] -> CmmExpr
 #ifdef mingw32_TARGET_OS
@@ -890,6 +897,9 @@ primCall results_code name args_code vols safety
                    code (emitForeignCall' (PlaySafe unused) results 
                      (CmmPrim p) args vols NoC_SRT CmmMayReturn) where
                    unused = panic "not used by emitForeignCall'"
+                 CmmInterruptible ->
+                   code (emitForeignCall' PlayInterruptible results 
+                     (CmmPrim p) args vols NoC_SRT CmmMayReturn)
 
 doStore :: CmmType -> ExtFCode CmmExpr  -> ExtFCode CmmExpr -> ExtCode
 doStore rep addr_code val_code
@@ -930,7 +940,7 @@ data BoolExpr
 
 -- ToDo: smart constructors which simplify the boolean expression.
 
-ifThenElse cond then_part else_part = do
+cmmIfThenElse cond then_part else_part = do
      then_id <- code newLabelC
      join_id <- code newLabelC
      c <- cond
@@ -1033,7 +1043,7 @@ parseCmmFile dflags filename = do
   buf <- hGetStringBuffer filename
   let
        init_loc = mkSrcLoc (mkFastString filename) 1 1
-       init_state = (mkPState buf init_loc dflags) { lex_state = [0] }
+       init_state = (mkPState dflags buf init_loc) { lex_state = [0] }
                -- reset the lex_state: the Lexer monad leaves some stuff
                -- in there we don't want.
   case unP cmmParse init_state of