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authorIngo Molnar <mingo@elte.hu>2009-06-04 13:58:13 +0200
committerIngo Molnar <mingo@elte.hu>2009-06-04 14:00:52 +0200
commitaf794b94ae8a16fb4a9da6ce640c122efb44e2a0 (patch)
treea41ab534145034b792e0b253bf2906ef07545230 /Documentation
parentdf97992c6e25ffc66c549c8bc59262dc627c6d17 (diff)
downloadlinux-af794b94ae8a16fb4a9da6ce640c122efb44e2a0.tar.bz2
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>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/perf_counter/Makefile2
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/perf_counter/Makefile b/Documentation/perf_counter/Makefile
index 005709b7b19a..414399cbc51a 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)