diff options
Diffstat (limited to 'compiler/GHC/Cmm/Opt.hs')
| -rw-r--r-- | compiler/GHC/Cmm/Opt.hs | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/compiler/GHC/Cmm/Opt.hs b/compiler/GHC/Cmm/Opt.hs index 4ac24523c1..493122024c 100644 --- a/compiler/GHC/Cmm/Opt.hs +++ b/compiler/GHC/Cmm/Opt.hs @@ -69,6 +69,7 @@ cmmMachOpFoldM _ op [CmmLit (CmmInt x rep)] MO_SF_Conv _from to -> CmmLit (CmmFloat (fromInteger x) to) MO_SS_Conv from to -> CmmLit (CmmInt (narrowS from x) to) MO_UU_Conv from to -> CmmLit (CmmInt (narrowU from x) to) + MO_XX_Conv from to -> CmmLit (CmmInt (narrowS from x) to) _ -> panic $ "cmmMachOpFoldM: unknown unary op: " ++ show op @@ -76,6 +77,7 @@ cmmMachOpFoldM _ op [CmmLit (CmmInt x rep)] -- Eliminate conversion NOPs cmmMachOpFoldM _ (MO_SS_Conv rep1 rep2) [x] | rep1 == rep2 = Just x cmmMachOpFoldM _ (MO_UU_Conv rep1 rep2) [x] | rep1 == rep2 = Just x +cmmMachOpFoldM _ (MO_XX_Conv rep1 rep2) [x] | rep1 == rep2 = Just x -- Eliminate nested conversions where possible cmmMachOpFoldM platform conv_outer [CmmMachOp conv_inner [x]] |