tcg: Minor adjustments to deposit expanders
commit0d0d309df0d945e481134f9ef061641f88a2e998
authorRichard Henderson <rth@twiddle.net>
Fri, 14 Oct 2016 22:26:38 +0000 (14 17:26 -0500)
committerRichard Henderson <rth@twiddle.net>
Tue, 10 Jan 2017 15:59:11 +0000 (10 07:59 -0800)
treec0ad0f0db6c34994800230a91d8d1ea3a2ab4568
parent7ec8bab3deae643b1ce579c2d65a244f30708330
tcg: Minor adjustments to deposit expanders

Assert that len is not 0.

Since we have asserted that ofs + len <= N, a later
check for len == N implies that ofs == 0.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
tcg/tcg-op.c