X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Fghci%2FByteCodeGen.lhs;h=7d6bc234f7057647fed86568c6830362fc46d89a;hb=ec064b6d9d43b1655dd24df06d29b5e43940c7d6;hp=9330c7125b00ecf8762bdae277ba53c177ae2b2f;hpb=e95ee1f718c6915c478005aad8af81705357d6ab;p=ghc-hetmet.git diff --git a/compiler/ghci/ByteCodeGen.lhs b/compiler/ghci/ByteCodeGen.lhs index 9330c71..7d6bc23 100644 --- a/compiler/ghci/ByteCodeGen.lhs +++ b/compiler/ghci/ByteCodeGen.lhs @@ -1308,7 +1308,7 @@ mkMultiBranch maybe_ncons raw_ways = return (snd val) | otherwise = do label_neq <- getLabelBc - return (mkTestEQ (fst val) label_neq + return (testEQ (fst val) label_neq `consOL` (snd val `appOL` unitOL (LABEL label_neq) `appOL` the_default)) @@ -1322,7 +1322,7 @@ mkMultiBranch maybe_ncons raw_ways label_geq <- getLabelBc code_lo <- mkTree vals_lo range_lo (dec v_mid) code_hi <- mkTree vals_hi v_mid range_hi - return (mkTestLT v_mid label_geq + return (testLT v_mid label_geq `consOL` (code_lo `appOL` unitOL (LABEL label_geq) `appOL` code_hi)) @@ -1332,34 +1332,32 @@ mkMultiBranch maybe_ncons raw_ways [(_, def)] -> def _ -> panic "mkMultiBranch/the_default" + testLT (DiscrI i) fail_label = TESTLT_I i fail_label + testLT (DiscrW i) fail_label = TESTLT_W i fail_label + testLT (DiscrF i) fail_label = TESTLT_F i fail_label + testLT (DiscrD i) fail_label = TESTLT_D i fail_label + testLT (DiscrP i) fail_label = TESTLT_P i fail_label + testLT NoDiscr _ = panic "mkMultiBranch NoDiscr" + + testEQ (DiscrI i) fail_label = TESTEQ_I i fail_label + testEQ (DiscrW i) fail_label = TESTEQ_W i fail_label + testEQ (DiscrF i) fail_label = TESTEQ_F i fail_label + testEQ (DiscrD i) fail_label = TESTEQ_D i fail_label + testEQ (DiscrP i) fail_label = TESTEQ_P i fail_label + testEQ NoDiscr _ = panic "mkMultiBranch NoDiscr" + -- None of these will be needed if there are no non-default alts - (mkTestLT, mkTestEQ, init_lo, init_hi) + (init_lo, init_hi) | null notd_ways = panic "mkMultiBranch: awesome foursome" | otherwise - = case fst (head notd_ways) of { - DiscrI _ -> ( \(DiscrI i) fail_label -> TESTLT_I i fail_label, - \(DiscrI i) fail_label -> TESTEQ_I i fail_label, - DiscrI minBound, - DiscrI maxBound ); - DiscrW _ -> ( \(DiscrW i) fail_label -> TESTLT_W i fail_label, - \(DiscrW i) fail_label -> TESTEQ_W i fail_label, - DiscrW minBound, - DiscrW maxBound ); - DiscrF _ -> ( \(DiscrF f) fail_label -> TESTLT_F f fail_label, - \(DiscrF f) fail_label -> TESTEQ_F f fail_label, - DiscrF minF, - DiscrF maxF ); - DiscrD _ -> ( \(DiscrD d) fail_label -> TESTLT_D d fail_label, - \(DiscrD d) fail_label -> TESTEQ_D d fail_label, - DiscrD minD, - DiscrD maxD ); - DiscrP _ -> ( \(DiscrP i) fail_label -> TESTLT_P i fail_label, - \(DiscrP i) fail_label -> TESTEQ_P i fail_label, - DiscrP algMinBound, - DiscrP algMaxBound ); - NoDiscr -> panic "mkMultiBranch NoDiscr" - } + = case fst (head notd_ways) of + DiscrI _ -> ( DiscrI minBound, DiscrI maxBound ) + DiscrW _ -> ( DiscrW minBound, DiscrW maxBound ) + DiscrF _ -> ( DiscrF minF, DiscrF maxF ) + DiscrD _ -> ( DiscrD minD, DiscrD maxD ) + DiscrP _ -> ( DiscrP algMinBound, DiscrP algMaxBound ) + NoDiscr -> panic "mkMultiBranch NoDiscr" (algMinBound, algMaxBound) = case maybe_ncons of