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diff --git a/import-layers/yocto-poky/meta/conf/machine/include/tune-core2.inc b/import-layers/yocto-poky/meta/conf/machine/include/tune-core2.inc
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+# Settings for the GCC(1) cpu-type "core2":
+#
+# Intel Core2 CPU with 64-bit extensions, MMX, SSE, SSE2, SSE3 and SSSE3
+# instruction set support.
+#
+# This tune is recommended for the Intel Core 2 CPU family, including Conroe,
+# Merom and beyond, as well as the first Atom CPUs, Diamondville, and beyond.
+#
+DEFAULTTUNE ?= "core2-32"
+
+# Set x86 target arch to i686, so that glibc enables SSE optimised memcpy, etc.
+X86ARCH32 ?= "i686"
+
+# Include the previous tune to pull in PACKAGE_EXTRA_ARCHS
+require conf/machine/include/tune-i586.inc
+
+# Extra tune features
+TUNEVALID[core2] = "Enable core2 specific processor optimizations"
+TUNE_CCARGS .= "${@bb.utils.contains('TUNE_FEATURES', 'core2', ' -march=core2 -mtune=core2 -msse3 -mfpmath=sse', '', d)}"
+
+# Extra tune selections
+AVAILTUNES += "core2-32"
+TUNE_FEATURES_tune-core2-32 = "${TUNE_FEATURES_tune-x86} core2"
+BASE_LIB_tune-core2-32 = "lib"
+TUNE_PKGARCH_tune-core2-32 = "core2-32"
+PACKAGE_EXTRA_ARCHS_tune-core2-32 = "${PACKAGE_EXTRA_ARCHS_tune-i586} core2-32"
+
+AVAILTUNES += "core2-64"
+TUNE_FEATURES_tune-core2-64 = "${TUNE_FEATURES_tune-x86-64} core2"
+BASE_LIB_tune-core2-64 = "lib64"
+TUNE_PKGARCH_tune-core2-64 = "core2-64"
+PACKAGE_EXTRA_ARCHS_tune-core2-64 = "${PACKAGE_EXTRA_ARCHS_tune-x86-64} core2-64"
+
+AVAILTUNES += "core2-64-x32"
+TUNE_FEATURES_tune-core2-64-x32 = "${TUNE_FEATURES_tune-x86-64-x32} core2"
+BASE_LIB_tune-core2-64-x32 = "libx32"
+TUNE_PKGARCH_tune-core2-64-x32 = "core2-64-x32"
+PACKAGE_EXTRA_ARCHS_tune-core2-64-x32 = "${PACKAGE_EXTRA_ARCHS_tune-x86-64-x32} core2-64-x32"
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