From: Julian Seward <jseward@acm.org>
Date: Wed, 23 Nov 2005 03:54:48 +0000 (+0000)
Subject: Compile vex at -O2.  This improves its performance by about 15%
X-Git-Tag: svn/VALGRIND_3_1_1^2~23
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=79c788971de2e2c4beb2839eef89398a2c2f27e3;p=thirdparty%2Fvalgrind.git

Compile vex at -O2.  This improves its performance by about 15%
on a PIII running SuSE 10 (gcc 4.0.2).


git-svn-id: svn://svn.valgrind.org/vex/trunk@1468
---

diff --git a/VEX/Makefile b/VEX/Makefile
index 8a3a79e753..b7dd71e1ff 100644
--- a/VEX/Makefile
+++ b/VEX/Makefile
@@ -70,10 +70,12 @@ ifndef $(AR)
    AR = ar 
 endif
 
-CCFLAGS = -g -O -Wall -Wmissing-prototypes -Wshadow -Winline \
+# Put -g -O2 after any flags we inherit from V.  -O2 vs -O
+# makes a significant difference, at least with gcc4.
+CCFLAGS = -Wall -Wmissing-prototypes -Wshadow -Winline \
 		-Wpointer-arith -Wbad-function-cast -Wcast-qual \
 		-Wcast-align -Wmissing-declarations \
-		$(EXTRA_CFLAGS)
+		$(EXTRA_CFLAGS) -g -O2
 
 #CC = icc
 #CCFLAGS = -g -Wall -wd981 -wd279 -wd1287 -wd869 -wd111 -wd188 -wd186