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Thumb-2 compiler question

Note: This was originally posted on 6th February 2013 at http://forums.arm.com

hi, experts:
which c compilers support Thumb-2 instructions?
It seems linario gcc did not support yet.

best wishes,

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Kenneth Hass over 12 years ago

Note: This was originally posted on 6th February 2013 at http://forums.arm.com

I don't know about linaro gcc in particular, but gcc in general has supported Thumb2 for a long time. Did you tell gcc that your target architecture supported Thumb2? You need to use either -march or -mcpu as I recall.
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Kenneth Hass over 12 years ago

Note: This was originally posted on 6th February 2013 at http://forums.arm.com

I don't know about linaro gcc in particular, but gcc in general has supported Thumb2 for a long time. Did you tell gcc that your target architecture supported Thumb2? You need to use either -march or -mcpu as I recall.
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