From: Scott LaVarnway <slavarnway@google.com>
Date: Fri, 15 Apr 2011 19:59:21 +0000 (-0400)
Subject: added -fomit-frame-pointer flag for gcc builds
X-Git-Tag: v0.9.7~217^2
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=9409e3805022bb99be1623535da13dcdc20fa0dd;p=libvpx

added -fomit-frame-pointer flag for gcc builds

According to the docs, this should have been enabled, but
the disassembled output shows otherwise.  This improved
the encode/decode performance.

Change-Id: I45ad7e6d299b89ac3166d7ef7da75b74994344c6
---

diff --git a/build/make/configure.sh b/build/make/configure.sh
index 085170d65..3324be36e 100755
--- a/build/make/configure.sh
+++ b/build/make/configure.sh
@@ -884,6 +884,8 @@ process_common_toolchain() {
                 link_with_cc=gcc
                 tune_cflags="-march="
             setup_gnu_toolchain
+                #for 32 bit x86 builds, -O3 did not turn on this flag
+                enabled optimizations && check_add_cflags -fomit-frame-pointer
                 ;;
         esac