https://sourceware.org/bugzilla/show_bug.cgi?id=24546
--- Comment #4 from Andrew Cooper <andrew.cooper3 at citrix dot com> --- (In reply to H.J. Lu from comment #3) > AMD64 manual says: > > CALL FAR pntr16:16 9A cd Far call direct, with the target specified by a far > pointer > contained in the instruction. (Invalid in 64-bit mode.) > CALL FAR pntr16:32 9A cp Far call direct, with the target specified by a far > pointer > contained in the instruction. (Invalid in 64-bit mode.) > CALL FAR mem16:16 FF /3 Far call indirect, with the target specified by a > far pointer > in memory. > CALL FAR mem16:32 FF /3 Far call indirect, with the target specified by a > far pointer > in memory. After some experimentation, it turns out that it really is only Intel processors which implement the mem16:64 form. AMD processors ignore the REX prefix and use mem16:32 form, even when REX-encoded. -- You are receiving this mail because: You are on the CC list for the bug. _______________________________________________ bug-binutils mailing list bug-binutils@gnu.org https://lists.gnu.org/mailman/listinfo/bug-binutils