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authorDouglas Wilson <douglas.wilson@gmail.com>2017-11-09 17:54:45 -0500
committerBen Gamari <ben@smart-cactus.org>2017-11-09 18:31:22 -0500
commit75291abaf6db7befbde5b4dadaea0b8047a75e06 (patch)
tree30097dc06477b45973abbaf7c11af16b983cddb6 /compiler
parente6b13c963d0b54099a41bb1b51fe680644582051 (diff)
downloadhaskell-75291abaf6db7befbde5b4dadaea0b8047a75e06.tar.gz
Change `OPTIONS_GHC -O` to `OPTIONS_GHC -O2`
These pragmas were having the perverse effect of having these performance critical modules be LESS optimized in builds with -O2. Test Plan: Check on gipedia whether this is worthwhile. Reviewers: austin, bgamari Reviewed By: bgamari Subscribers: rwbarton, thomie Differential Revision: https://phabricator.haskell.org/D4156
Diffstat (limited to 'compiler')
-rw-r--r--compiler/iface/BinIface.hs2
-rw-r--r--compiler/utils/Binary.hs2
-rw-r--r--compiler/utils/Encoding.hs2
-rw-r--r--compiler/utils/FastMutInt.hs2
-rw-r--r--compiler/utils/FastString.hs2
-rw-r--r--compiler/utils/StringBuffer.hs2
6 files changed, 6 insertions, 6 deletions
diff --git a/compiler/iface/BinIface.hs b/compiler/iface/BinIface.hs
index 8ab2310bc4..31b5af0e86 100644
--- a/compiler/iface/BinIface.hs
+++ b/compiler/iface/BinIface.hs
@@ -4,7 +4,7 @@
-- (c) The University of Glasgow 2002-2006
--
-{-# OPTIONS_GHC -O #-}
+{-# OPTIONS_GHC -O2 #-}
-- We always optimise this, otherwise performance of a non-optimised
-- compiler is severely affected
diff --git a/compiler/utils/Binary.hs b/compiler/utils/Binary.hs
index a7bbfd51ad..c3c8ae3ab7 100644
--- a/compiler/utils/Binary.hs
+++ b/compiler/utils/Binary.hs
@@ -5,7 +5,7 @@
{-# LANGUAGE GADTs #-}
{-# LANGUAGE MultiWayIf #-}
-{-# OPTIONS_GHC -O -funbox-strict-fields #-}
+{-# OPTIONS_GHC -O2 -funbox-strict-fields #-}
-- We always optimise this, otherwise performance of a non-optimised
-- compiler is severely affected
diff --git a/compiler/utils/Encoding.hs b/compiler/utils/Encoding.hs
index f809ba9016..b4af68621d 100644
--- a/compiler/utils/Encoding.hs
+++ b/compiler/utils/Encoding.hs
@@ -1,5 +1,5 @@
{-# LANGUAGE BangPatterns, MagicHash, UnboxedTuples #-}
-{-# OPTIONS_GHC -O #-}
+{-# OPTIONS_GHC -O2 #-}
-- We always optimise this, otherwise performance of a non-optimised
-- compiler is severely affected
diff --git a/compiler/utils/FastMutInt.hs b/compiler/utils/FastMutInt.hs
index 6ba139a486..20206f8b1e 100644
--- a/compiler/utils/FastMutInt.hs
+++ b/compiler/utils/FastMutInt.hs
@@ -1,5 +1,5 @@
{-# LANGUAGE BangPatterns, MagicHash, UnboxedTuples #-}
-{-# OPTIONS_GHC -O #-}
+{-# OPTIONS_GHC -O2 #-}
-- We always optimise this, otherwise performance of a non-optimised
-- compiler is severely affected
--
diff --git a/compiler/utils/FastString.hs b/compiler/utils/FastString.hs
index fde4ff01de..f16b32779f 100644
--- a/compiler/utils/FastString.hs
+++ b/compiler/utils/FastString.hs
@@ -2,7 +2,7 @@
{-# LANGUAGE BangPatterns, CPP, MagicHash, UnboxedTuples,
GeneralizedNewtypeDeriving #-}
-{-# OPTIONS_GHC -O -funbox-strict-fields #-}
+{-# OPTIONS_GHC -O2 -funbox-strict-fields #-}
-- We always optimise this, otherwise performance of a non-optimised
-- compiler is severely affected
diff --git a/compiler/utils/StringBuffer.hs b/compiler/utils/StringBuffer.hs
index 08402101af..39941e2f7a 100644
--- a/compiler/utils/StringBuffer.hs
+++ b/compiler/utils/StringBuffer.hs
@@ -7,7 +7,7 @@ Buffers for scanning string input stored in external arrays.
-}
{-# LANGUAGE BangPatterns, CPP, MagicHash, UnboxedTuples #-}
-{-# OPTIONS_GHC -O #-}
+{-# OPTIONS_GHC -O2 #-}
-- We always optimise this, otherwise performance of a non-optimised
-- compiler is severely affected