Ticket #5996: 0001-Add-fno-cse-flag-to-some-IO.Encoding.-modules.patch

File 0001-Add-fno-cse-flag-to-some-IO.Encoding.-modules.patch, 2.1 KB (added by michalt, 13 months ago)

  • GHC/IO/Encoding/Latin1.hs 

    From 4569092a2367f12acc6e2ae5626bd54b0f734098 Mon Sep 17 00:00:00 2001
From: Michal Terepeta <michal.terepeta@gmail.com>
Date: Mon, 9 Apr 2012 21:47:54 +0200
Subject: [PATCH] Add -fno-cse flag to some IO.Encoding.* modules.

Apparently CSE hurts performance a bit here. Apart from that, remove
the -funbox-strict-fields flag that isn't used.
---
 GHC/IO/Encoding/Latin1.hs |    2 +-
 GHC/IO/Encoding/UTF16.hs  |    2 +-
 GHC/IO/Encoding/UTF32.hs  |    2 +-
 GHC/IO/Encoding/UTF8.hs   |    2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/GHC/IO/Encoding/Latin1.hs b/GHC/IO/Encoding/Latin1.hs
index aba66ad..3af2b40 100644
    a b  
    33           , BangPatterns 
    44           , NondecreasingIndentation 
    55  #-} 
    6 {-# OPTIONS_GHC  -funbox-strict-fields #-} 
     6{-# OPTIONS_GHC -fno-cse #-} 
    77 
    88----------------------------------------------------------------------------- 
    99-- | 

  • GHC/IO/Encoding/UTF16.hs 

    diff --git a/GHC/IO/Encoding/UTF16.hs b/GHC/IO/Encoding/UTF16.hs
index ca231ca..24575e3 100644
    a b  
    55           , NondecreasingIndentation 
    66           , MagicHash 
    77  #-} 
    8 {-# OPTIONS_GHC  -funbox-strict-fields #-} 
     8{-# OPTIONS_GHC -fno-cse #-} 
    99 
    1010----------------------------------------------------------------------------- 
    1111-- | 

  • GHC/IO/Encoding/UTF32.hs 

    diff --git a/GHC/IO/Encoding/UTF32.hs b/GHC/IO/Encoding/UTF32.hs
index ce3aa52..73068e6 100644
    a b  
    44           , NondecreasingIndentation 
    55           , MagicHash 
    66  #-} 
    7 {-# OPTIONS_GHC  -funbox-strict-fields #-} 
     7{-# OPTIONS_GHC -fno-cse #-} 
    88 
    99----------------------------------------------------------------------------- 
    1010-- | 

  • GHC/IO/Encoding/UTF8.hs 

    diff --git a/GHC/IO/Encoding/UTF8.hs b/GHC/IO/Encoding/UTF8.hs
index 0d82113..ec178c2 100644
    a b  
    44           , NondecreasingIndentation 
    55           , MagicHash 
    66  #-} 
    7 {-# OPTIONS_GHC -funbox-strict-fields #-} 
     7{-# OPTIONS_GHC -fno-cse #-} 
    88 
    99----------------------------------------------------------------------------- 
    1010-- |