There isn't currently any tune available for i686 x86 optimizations. The tune for i586 doesn't enable i686 specific optimizations, and the one for core2 enables things that won't work on a i686 CPU (like SSE3).
Make the tune for core2 inherits from this one and move there the setting of X86ARCH32. Signed-off-by: Carlos Alberto Lopez Perez <[email protected]> --- meta/conf/machine/include/tune-core2.inc | 7 ++----- meta/conf/machine/include/tune-i686.inc | 27 +++++++++++++++++++++++++++ 2 files changed, 29 insertions(+), 5 deletions(-) create mode 100644 meta/conf/machine/include/tune-i686.inc diff --git a/meta/conf/machine/include/tune-core2.inc b/meta/conf/machine/include/tune-core2.inc index f4ba43fbfd..6a03466650 100644 --- a/meta/conf/machine/include/tune-core2.inc +++ b/meta/conf/machine/include/tune-core2.inc @@ -8,11 +8,8 @@ # 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 +require conf/machine/include/tune-i686.inc # Extra tune features TUNEVALID[core2] = "Enable core2 specific processor optimizations" @@ -23,7 +20,7 @@ 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" +PACKAGE_EXTRA_ARCHS_tune-core2-32 = "${PACKAGE_EXTRA_ARCHS_tune-i686} core2-32" AVAILTUNES += "core2-64" TUNE_FEATURES_tune-core2-64 = "${TUNE_FEATURES_tune-x86-64} core2" diff --git a/meta/conf/machine/include/tune-i686.inc b/meta/conf/machine/include/tune-i686.inc new file mode 100644 index 0000000000..bdb4799209 --- /dev/null +++ b/meta/conf/machine/include/tune-i686.inc @@ -0,0 +1,27 @@ +# +# The i686 CPU family was introduced with the Intel Pentium Pro in 1995. +# It has as required feature flags: fpu tsc cx8 cmov. +# +# It is the minimum CPU required by the Debian i386 port. +# https://lists.debian.org/debian-devel-announce/2016/05/msg00001.html +# +# + +DEFAULTTUNE ?= "i686" + +# 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[i686] = "Enable i686 specific processor optimizations" +TUNE_CCARGS .= "${@bb.utils.contains('TUNE_FEATURES', 'i686', ' -march=i686', '', d)}" + +# Extra tune selections +AVAILTUNES += "i686" +TUNE_FEATURES_tune-i686 = "${TUNE_FEATURES_tune-x86} i686" +BASE_LIB_tune-i686 = "lib" +TUNE_PKGARCH_tune-i686 = "i686" +PACKAGE_EXTRA_ARCHS_tune-i686 = "${PACKAGE_EXTRA_ARCHS_tune-i586} i686" -- 2.11.0 -- _______________________________________________ Openembedded-core mailing list [email protected] http://lists.openembedded.org/mailman/listinfo/openembedded-core
