From: Ingo Molnar <mingo@elte.hu>
Date: Thu, 4 Jun 2009 11:58:13 +0000 (+0200)
Subject: perf_counter tools: Build with native optimization
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=af794b94ae8a16fb4a9da6ce640c122efb44e2a0;p=mv-sheeva.git

perf_counter tools: Build with native optimization

Build the tools with -march=native by default.

No measurable difference in speed though, compared to the
default, on a Nehalem testbox.

Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

diff --git a/Documentation/perf_counter/Makefile b/Documentation/perf_counter/Makefile
index 005709b7b19..414399cbc51 100644
--- a/Documentation/perf_counter/Makefile
+++ b/Documentation/perf_counter/Makefile
@@ -159,7 +159,7 @@ uname_V := $(shell sh -c 'uname -v 2>/dev/null || echo not')
 
 # CFLAGS and LDFLAGS are for the users to override from the command line.
 
-CFLAGS = -ggdb3 -Wall -Werror -Wstrict-prototypes -Wmissing-declarations -Wmissing-prototypes -std=gnu99 -Wdeclaration-after-statement -O6
+CFLAGS = -ggdb3 -Wall -Werror -Wstrict-prototypes -Wmissing-declarations -Wmissing-prototypes -std=gnu99 -Wdeclaration-after-statement -O6 -march=native
 LDFLAGS = -lpthread -lrt -lelf
 ALL_CFLAGS = $(CFLAGS)
 ALL_LDFLAGS = $(LDFLAGS)