040000 tree 7c0d5229f34b909f321dc7ea38041501595c3015	gemmlowp
040000 tree 513a178b1297a6f74da54c69f6e044901de18e1c	kelvin-gcc
040000 tree 8f39e63096388dcb22100b2f9fee6dcffb92fc5c	riscv
040000 tree 1c56ecd9af4a39851a8cec2ffe8bea6b7a93c232	ruy