diff options
Diffstat (limited to 'compiler/codeGen/StgCmmPrim.hs')
| -rw-r--r-- | compiler/codeGen/StgCmmPrim.hs | 29 |
1 files changed, 13 insertions, 16 deletions
diff --git a/compiler/codeGen/StgCmmPrim.hs b/compiler/codeGen/StgCmmPrim.hs index da18949846..6ed3ca7402 100644 --- a/compiler/codeGen/StgCmmPrim.hs +++ b/compiler/codeGen/StgCmmPrim.hs @@ -1929,10 +1929,9 @@ doCopyMutableByteArrayOp = emitCopyByteArray copy -- TODO: Optimize branch for common case of no aliasing. copy src dst dst_p src_p bytes = do dflags <- getDynFlags - [moveCall, cpyCall] <- forkAlts [ - getCode $ emitMemmoveCall dst_p src_p bytes 1, - getCode $ emitMemcpyCall dst_p src_p bytes 1 - ] + (moveCall, cpyCall) <- forkAltPair + (getCode $ emitMemmoveCall dst_p src_p bytes 1) + (getCode $ emitMemcpyCall dst_p src_p bytes 1) emit =<< mkCmmIfThenElse (cmmEqWord dflags src dst) moveCall cpyCall emitCopyByteArray :: (CmmExpr -> CmmExpr -> CmmExpr -> CmmExpr -> CmmExpr @@ -2073,12 +2072,11 @@ doCopyMutableArrayOp = emitCopyArray copy -- TODO: Optimize branch for common case of no aliasing. copy src dst dst_p src_p bytes = do dflags <- getDynFlags - [moveCall, cpyCall] <- forkAlts [ - getCode $ emitMemmoveCall dst_p src_p (mkIntExpr dflags bytes) - (wORD_SIZE dflags), - getCode $ emitMemcpyCall dst_p src_p (mkIntExpr dflags bytes) - (wORD_SIZE dflags) - ] + (moveCall, cpyCall) <- forkAltPair + (getCode $ emitMemmoveCall dst_p src_p (mkIntExpr dflags bytes) + (wORD_SIZE dflags)) + (getCode $ emitMemcpyCall dst_p src_p (mkIntExpr dflags bytes) + (wORD_SIZE dflags)) emit =<< mkCmmIfThenElse (cmmEqWord dflags src dst) moveCall cpyCall emitCopyArray :: (CmmExpr -> CmmExpr -> CmmExpr -> CmmExpr -> ByteOff @@ -2136,12 +2134,11 @@ doCopySmallMutableArrayOp = emitCopySmallArray copy -- TODO: Optimize branch for common case of no aliasing. copy src dst dst_p src_p bytes = do dflags <- getDynFlags - [moveCall, cpyCall] <- forkAlts - [ getCode $ emitMemmoveCall dst_p src_p (mkIntExpr dflags bytes) - (wORD_SIZE dflags) - , getCode $ emitMemcpyCall dst_p src_p (mkIntExpr dflags bytes) - (wORD_SIZE dflags) - ] + (moveCall, cpyCall) <- forkAltPair + (getCode $ emitMemmoveCall dst_p src_p (mkIntExpr dflags bytes) + (wORD_SIZE dflags)) + (getCode $ emitMemcpyCall dst_p src_p (mkIntExpr dflags bytes) + (wORD_SIZE dflags)) emit =<< mkCmmIfThenElse (cmmEqWord dflags src dst) moveCall cpyCall emitCopySmallArray :: (CmmExpr -> CmmExpr -> CmmExpr -> CmmExpr -> ByteOff |