* gas-test.scm (<hw-asm>,test-data): Choose pseudo-random data.
(<keyword>,test-data): Likewise.
(<hw-address>,test-data): Likewise.
(<hw-iaddress>,test-data): Likewise.
(-collate-test-set): New function.
(build-test-set): Use it.
(gen-gas-test): Generate five test cases per instruction.
(cgen-allinsn.exp): Include "-*- Tcl -*-" in DejaGNU test file.
* read.scm: Load "slib/random" if random is not defined.
* slib/random.scm: New file.