Alessandro Gatti 1f5ba6998b py/asmthumb: Extend load/store generators with ARMv7-M opcodes. ...

This commit lets the Thumb native code generator backend emit ARMv7-M
specific opcodes for indexed load/store operations if possible.

Now T3 opcode encodings are used if the generator backend is configured
to allow emitting ARMv7-M opcodes and if the (unsigned) scaled index
fits in 12 bits.  Or, in other words, LDR{B,H}.W and STR{B,H}.W opcodes
are now emitted if possible.

Signed-off-by: Alessandro Gatti <a.gatti@frob.it>

2025-06-10 11:29:02 +10:00

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