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feature-arm-thumb.inc: drop ARM -vs- thumb comments

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Comments are old and specific to thumb1. Since oe-core CPU tuning
files aren't really the right place to fully document ARM -vs- thumb,
drop the comments instead of trying to update them.

(From OE-Core rev: 06225600d4d3041da0d28c79058e5b8ceb4874bf)

Signed-off-by: Andre McCurdy <armccurdy@gmail.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Andre McCurdy
2015-12-08 17:09:56 -08:00
committed by Richard Purdie
parent 95a79a5035
commit ca64c16cf3
1 changed files with 0 additions and 6 deletions
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6
meta/conf/machine/include/arm/feature-arm-thumb.inc
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@@ -1,9 +1,3 @@
# The instruction set the compiler should use when generating application
# code. The kernel is always compiled with arm code at present. arm code
# is the original 32 bit ARM instruction set, thumb code is the 16 bit
# encoded RISC sub-set. Thumb code is smaller (maybe 70% of the ARM size)
# but requires more instructions (140% for 70% smaller code) so may be
# slower.
TUNEVALID[thumb] = "Use thumb instructions instead of ARM"
ARM_THUMB_OPT = "${@['arm', 'thumb'][d.getVar('ARM_INSTRUCTION_SET', True) == 'thumb']}"
ARM_THUMB_SUFFIX .= "${@bb.utils.contains('TUNE_FEATURES', 'armv4', 't', '', d)}"