Section STOREBYTES.
Variable m1: mem.
Variable b: block.
Variable ofs: Z.
Variable bytes: list memval.
Variable m2: mem.
Hypothesis STORE: storebytes m1 b ofs bytes = Some m2.
Local Hint Resolve perm_storebytes_1 perm_storebytes_2: mem.
Local Hint Resolve storebytes_valid_access_1 storebytes_valid_access_2: mem.
Local Hint Resolve storebytes_valid_block_1 storebytes_valid_block_2: mem.

Theorem load_storebytes_other:
forall chunk b' ofs',
b' <> b
\/ ofs' + size_chunk chunk <= ofs
\/ ofs + Z.of_nat (length bytes) <= ofs' ->
load chunk m2 b' ofs' = load chunk m1 b' ofs'.