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authorEdward Z. Yang <ezyang@mit.edu>2011-07-07 20:48:48 -0400
committerEdward Z. Yang <ezyang@mit.edu>2011-07-07 20:49:13 -0400
commit82c9f3f0f42e917b113d2174f468e86074b895cc (patch)
tree741b139aa98b301195f51c54aab9c1534ccfb8bd /compiler/codeGen/StgCmmPrim.hs
parentdd391759500ab2b6abd23d502ade7ff8946c780f (diff)
downloadhaskell-82c9f3f0f42e917b113d2174f468e86074b895cc.tar.gz
Port 'Add two new primops seq# and spark#' (be54417) to new codegen.
Signed-off-by: Edward Z. Yang <ezyang@mit.edu>
Diffstat (limited to 'compiler/codeGen/StgCmmPrim.hs')
-rw-r--r--compiler/codeGen/StgCmmPrim.hs12
1 files changed, 12 insertions, 0 deletions
diff --git a/compiler/codeGen/StgCmmPrim.hs b/compiler/codeGen/StgCmmPrim.hs
index 1a6d05e6e6..c71d285735 100644
--- a/compiler/codeGen/StgCmmPrim.hs
+++ b/compiler/codeGen/StgCmmPrim.hs
@@ -210,6 +210,18 @@ emitPrimOp [res] ParOp [arg]
(CmmLit (CmmLabel (mkCmmCodeLabel rtsPackageId (fsLit "newSpark"))))
[(CmmReg (CmmGlobal BaseReg), AddrHint), (arg,AddrHint)]
+emitPrimOp [res] SparkOp [arg]
+ = do
+ -- returns the value of arg in res. We're going to therefore
+ -- refer to arg twice (once to pass to newSpark(), and once to
+ -- assign to res), so put it in a temporary.
+ tmp <- assignTemp arg
+ emitCCall
+ []
+ (CmmLit (CmmLabel (mkCmmCodeLabel rtsPackageId (fsLit "newSpark"))))
+ [(CmmReg (CmmGlobal BaseReg), AddrHint), ((CmmReg (CmmLocal tmp)), AddrHint)]
+ emit (mkAssign (CmmLocal res) (CmmReg (CmmLocal tmp)))
+
emitPrimOp [res] ReadMutVarOp [mutv]
= emit (mkAssign (CmmLocal res) (cmmLoadIndexW mutv fixedHdrSize gcWord))