Oops, meant to include this comment in previous email:
Improves code coverage:
old% new%
dca_core 76.5 81.3
dca_exss 56.5 65.6
dca_lbr 2.2 80.5
dca_parser 86.2 98.6
dca_xll 81.2 87.2
dcadec 75.0 83.0
dcadsp 64.0 83.8
Samples are here: https://0x0.st/key.xz