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GCC has the ability to pass extensions to the march parameter, which expand the funcationality of the march. For example "-march=armv7ve+simd" adds SIMD to ARMv7. Currently, there is no way to expand the march setting without modifying each instance, as you can't guarantee the ordering when using the existing TUNE_CCARGS. By introducing two new variables, TUNE_CCARGS_MARCH and TUNE_CCARGS_MARCH_OPT, we can enforce that these two go together. Also, expand existing and create new feature files that use these variables to expand the functionality. (From OE-Core rev: 794eb617bfd1997e7a3498812c63a20c58a10554) Signed-off-by: Jon Mason <jdmason@kudzu.us> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
5 lines
238 B
PHP
5 lines
238 B
PHP
# Cyclic Redundancy Check (CRC) instructions for armv8-a and armv8-r
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TUNEVALID[crc] = "Enable instructions for ARMv8 Cyclic Redundancy Check (CRC)"
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TUNE_CCARGS_MARCH_OPTS .= "${@bb.utils.contains('TUNE_FEATURES', 'crc', '+crc', '', d)}"
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