From 34514ae8a6635915143e0a7fd1e523eb51b4a91d Mon Sep 17 00:00:00 2001 From: "Kartik K. Agaram" Date: Thu, 22 Mar 2018 21:52:35 -0700 Subject: 4233 - no real difference between -O2 or -O3 Neither in compile time, nor in the performance of the generated code. (Triggered by https://developers.redhat.com/blog/2018/03/21/compiler-and-linker-flags-gcc) --- build1 | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'build1') diff --git a/build1 b/build1 index 56336f8c..f138fa15 100755 --- a/build1 +++ b/build1 @@ -12,7 +12,7 @@ set -e # stop immediately on error # $ CFLAGS=-g ./build1 test "$CXX" || export CXX=c++ test "$CC" || export CC=cc -test "$CFLAGS" || export CFLAGS="-g -O3" +test "$CFLAGS" || export CFLAGS="-g -O2" export CFLAGS="$CFLAGS -Wall -Wextra -ftrapv -fno-strict-aliasing" # Outline: -- cgit 1.4.1-2-gfad0