This CL corrects the selection and print of fcfid variations
(singe and double precision).

Change-Id: I438a76793ec5fdb814ea6bc46bd0a2b0c9b2acd2
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3712063Reviewed-by: Junliang Yan <junyan@redhat.com>
Commit-Queue: Milad Farazmand <mfarazma@redhat.com>
Cr-Commit-Position: refs/heads/main@{#81226}