[spectre] new instruction

[alex]

After a summer break, instructionset is back:

[August 2008] Surprise

    According to the principle of least surprise, often cited in
    programming literature, software should be invisible. Write some
    software that only conforms to this principle for 10 seconds or so
    before astonishing the user in some manner. Code obfuscation is
    optional.
    http://instructionset.org/instruction/14/

You are also welcome to implement instructions from previous months.

Instructionset now has its own mailing list, so this will be the last
mailout to external mailing lists.  You can subscribe via the website:

    http://instructionset.org/

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cheers