Add missing ISA constants #56

Job	Run time
build_windows (3.14)	6m 12s
build_windows (3.12)	5m 55s
build_linux (3.10)	3m 8s
build_linux (3.13)	2m 56s
build_linux (3.12)	2m 56s
build_windows (3.11)	6m 44s
build_windows (3.10)	6m 6s
build_linux (3.14)	3m 9s
build_windows (3.13)	6m 18s
build_linux (3.11)	3m 1s
test_linux (3.14, false, ubuntu-latest)	1m 25s
test_linux (3.11, false, ubuntu-latest)	1m 30s
test_linux (3.10, false, ubuntu-latest)	1m 35s
test_linux (3.12, false, ubuntu-latest)	1m 20s
test_linux (3.13, false, ubuntu-latest)	1m 36s
test_windows (3.14, false, windows-latest)	3m 47s
test_windows (3.11, false, windows-latest)	3m 28s
test_windows (3.13, false, windows-latest)	3m 15s
test_windows (3.10, false, windows-latest)	3m 32s
test_windows (3.12, false, windows-latest)	4m 0s
	1h 11m 53s

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