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cbc6e28703
Use "m" constraint instead of "r" for the address, as "m" allows compiler to access adjacent locations using base + offset, while "r" requires updating the base register every time. Use %[mem] * 0 + v to replace offset part of %[mem] expansion with v. It is impossible to change address alignment through the offset part on xtensa, so just ignore offset in alignment checks. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>