From a790906c3b93bca3beedfeb7a63fd7ce501b4901 Mon Sep 17 00:00:00 2001
From: Fritz Koenig <frkoenig@google.com>
Date: Tue, 24 Aug 2010 16:27:49 -0700
Subject: [PATCH] Allow --cpu= to work for x86.
--cpu was already implemented for most of our embedded
platforms, this just extends it to x86. Corner case for
Atom processor as it doesn't respond to the --march=
option under icc.
Change-Id: I2d57a7a6e9d0b55c0059e9bc46cfc9bf9468c185
---
build/make/configure.sh | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/build/make/configure.sh b/build/make/configure.sh
index 3b6c919fd7..cebdd57bae 100755
--- a/build/make/configure.sh
+++ b/build/make/configure.sh
@@ -797,11 +797,21 @@ process_common_toolchain() {
add_ldflags -i-static
enabled x86_64 && add_cflags -ipo -no-prec-div -static -xSSE3 -axSSE3
enabled x86_64 && AR=xiar
+ case ${tune_cpu} in
+ atom*)
+ tune_cflags="-x"
+ tune_cpu="SSE3_ATOM"
+ ;;
+ *)
+ tune_cflags="-march="
+ ;;
+ esac
;;
gcc*)
add_cflags -m${bits}
add_ldflags -m${bits}
link_with_cc=gcc
+ tune_cflags="-march="
setup_gnu_toolchain
;;
esac
--
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