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author | Richard Purdie <richard.purdie@linuxfoundation.org> | 2011-07-25 19:03:24 +0100 |
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committer | Richard Purdie <richard.purdie@linuxfoundation.org> | 2011-07-27 15:43:38 +0100 |
commit | 789dcb8e68a2ab9784ac10ab36815010c61af2fc (patch) | |
tree | e0930a7f1900bc907a2bd3e372d20512e4328fe3 /meta/conf/machine/include/tune-cortexa8.inc | |
parent | c64d075b3d367e6c76aafa17782585d026b1f31e (diff) | |
download | openembedded-core-789dcb8e68a2ab9784ac10ab36815010c61af2fc.tar.gz |
Add ARM tune file overhaul based largely on work from Mark Hatle
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'meta/conf/machine/include/tune-cortexa8.inc')
-rw-r--r-- | meta/conf/machine/include/tune-cortexa8.inc | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/meta/conf/machine/include/tune-cortexa8.inc b/meta/conf/machine/include/tune-cortexa8.inc index ae5095486b..02b560cecf 100644 --- a/meta/conf/machine/include/tune-cortexa8.inc +++ b/meta/conf/machine/include/tune-cortexa8.inc @@ -1,15 +1,16 @@ -require conf/machine/include/arm/arch-arm.inc +DEFAULTTUNE ?= "cortexa8-neon" +require conf/machine/include/arm/arch-armv7a.inc -# Instead of using -mfpu=vfp[2] we can use -mfpu=neon to make use of gcc intrinsics[1] and vectorize loops with -ftree-vectorize[3] -# [1] http://gcc.gnu.org/onlinedocs/gcc/ARM-NEON-Intrinsics.html -# [2] http://gcc.gnu.org/onlinedocs/gcc/ARM-Options.html -# [3] https://support.codesourcery.com/GNUToolchain/kbentry29 +TUNEVALID[cortexa8] = "Enable Cortex-A8 specific processor optimizations" +TUNE_CCARGS += "${@bb.utils.contains("TUNE_FEATURES", "cortexa8", "-mtune=cortex-a8", "", d)}" -TUNE_CCARGS = "-march=armv7-a -mtune=cortex-a8 -mfpu=neon -mfloat-abi=softfp -fno-tree-vectorize" +AVAILTUNES += "cortexa8 cortexa8t" +TUNE_FEATURES_tune-cortexa8 = "${TUNE_FEATURES_tune-armv7a} cortexa8" +TUNE_FEATURES_tune-cortexa8t = "${TUNE_FEATURES_tune-armv7at} cortexa8" +TUNE_FEATURES_tune-cortexa8-neon = "${TUNE_FEATURES_tune-cortexa8} neon" -# Other potentially useful options -#-ftree-vectorize -ffast-math -fno-omit-frame-pointer +PACKAGE_EXTRA_ARCHS_tune-cortexa8 = "${PACKAGE_EXTRA_ARCHS_tune-armv7at}" +PACKAGE_EXTRA_ARCHS_tune-cortexa8t = "${PACKAGE_EXTRA_ARCHS_tune-armv7at}" +PACKAGE_EXTRA_ARCHS_tune-cortexa8-neon = "${PACKAGE_EXTRA_ARCHS_tune-armv7at-neon}" -TUNE_PKGARCH = "armv7a" -PACKAGE_EXTRA_ARCHS = "arm armv4 armv4t armv5te armv6 armv7 armv7a" |