summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorBen Gamari <ben@smart-cactus.org>2022-01-26 22:13:51 -0500
committerBen Gamari <ben@smart-cactus.org>2022-01-29 14:52:56 -0500
commit512ed3f1ceffd8da5dab91a4d0d7b16cfed18fd3 (patch)
tree3495bd793e589b094a3950342ed2e0a8d79ecca4
parent5771b69007f1c218db8ddc1652ffd3c0ba6d0682 (diff)
downloadhaskell-512ed3f1ceffd8da5dab91a4d0d7b16cfed18fd3.tar.gz
CmmToAsm: Make RealReg a newtype
Now that RegPair is gone we no longer need to pay for the additional box.
-rw-r--r--compiler/GHC/Platform/Reg.hs4
1 files changed, 2 insertions, 2 deletions
diff --git a/compiler/GHC/Platform/Reg.hs b/compiler/GHC/Platform/Reg.hs
index 8b4757744b..3b160f467e 100644
--- a/compiler/GHC/Platform/Reg.hs
+++ b/compiler/GHC/Platform/Reg.hs
@@ -142,8 +142,8 @@ getHiVRegFromLo reg
-- the usual way. We know what class they are, because that's part of
-- the processor's architecture.
--
-data RealReg
- = RealRegSingle {-# UNPACK #-} !RegNo
+newtype RealReg
+ = RealRegSingle RegNo
deriving (Eq, Show, Ord)
instance Uniquable RealReg where