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The ARMv7-M architecture (which the popular Cortex-M series microcontrollers implement) allows reordering as I described. Even if a Cortex-M3 probably doesn't
by mansr 13y ago
The ARMv7-M architecture (which the popular Cortex-M series microcontrollers implement) allows reordering as I described. Even if a Cortex-M3 probably doesn't ever do it, nobody is making any promises. If a particular behaviour is not documented, it is wrong to rely on it.