Max Filippov 13e28135d6 xtensa: use "m" constraint instead of "a" in atomic.h assembly
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.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2019-11-26 11:33:39 -08:00
..
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