diff options
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" |