On Mon, Sep 26, 2016 at 07:09:17AM +0000, Colin Percival wrote: > Traditionally x86 CPUs would generate an invalid-opcode fault if redundant > instruction prefixes resulted in an instruction exceeding 15 bytes. This > behaviour might have changed in the past two decades, but I doubt it.
It did not, 15 bytes is the current limit. In fact, the longest AVX VEX-encoded instructions are 11 bytes without prefixes, AFAIR. _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"