Please consider keywording ~riscv and ~mips. With default USE emerge was a success on HiFive Unmatched and Lemote A2005 (w/ Loongson 3AR4). Further testing is required.
Looks reasonable on mips. USE tests started on Sun Apr 24 14:45:30 CST 2022 FEATURES=' test' failed for =app-shells/fish-3.4.1 log has been saved as ./tatt/logs/app-shells_fish-3.4.1_use_TvikL testsuite logs have been saved as ./tatt/logs/app-shells_fish-3.4.1_use_TvikL.tar FEATURES='-usersandbox test' USE='' succeeded for =app-shells/fish-3.4.1 USE='-doc -nls' succeeded for =app-shells/fish-3.4.1 USE='doc -nls' succeeded for =app-shells/fish-3.4.1 USE='-doc nls' succeeded for =app-shells/fish-3.4.1 USE='doc nls' succeeded for =app-shells/fish-3.4.1
Appears to be reasonable on riscv. USE tests started on Sun Apr 24 14:43:01 CST 2022 FEATURES=' test' failed for =app-shells/fish-3.4.1 log has been saved as ./tatt/logs/app-shells_fish-3.4.1_use_3zQvE testsuite logs have been saved as ./tatt/logs/app-shells_fish-3.4.1_use_3zQvE.tar FEATURES='-usersandbox test' USE='' succeeded for =app-shells/fish-3.4.1 USE='-doc -nls' succeeded for =app-shells/fish-3.4.1 USE='doc -nls' succeeded for =app-shells/fish-3.4.1 USE='-doc nls' succeeded for =app-shells/fish-3.4.1 USE='doc nls' succeeded for =app-shells/fish-3.4.1
It might seem to be concerning, but I believe #838187 should not block this.
riscv done via https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=75f5c1c0bd8345da6ab7341d31c1dcd1884cd438. mips done via https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=5d6e2f94f6421a6123295fcb0dd7e454e787f4f5. all arch done.