Damien George a5324a1074 py/asmthumb: Make ARMv7-M instruction use dynamically selectable. ...

This commit adjusts the asm_thumb_xxx functions so they can be dynamically
configured to use ARMv7-M instructions or not.  This is available when
MICROPY_DYNAMIC_COMPILER is enabled, and then controlled by the value of
mp_dynamic_compiler.native_arch.

If MICROPY_DYNAMIC_COMPILER is disabled the previous behaviour is retained:
the functions emit ARMv7-M instructions only if MICROPY_EMIT_THUMB_ARMV7M
is enabled.

Signed-off-by: Damien George <damien@micropython.org>

2022-05-23 23:01:12 +10:00

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