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> Main > jmp and call in the 64-bit mode |
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Tomasz Grysztar 05 Jul 2006, 18:52
When implementing it in fasm, I consulted the AMD manuals in the places where they say (I refer to my hardcopy version - well, it may be a bit outdated, though):
AMD64 Manual, Volume 2, section 2.5.6: Quote: The operand size for near branches can be overridden to 16 bits in 64-bit mode. AMD64 Manual, Volume 3, JMP instruction reference Quote: No prefix is available to encode a 32-bit operand size in 64-bit mode |
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05 Jul 2006, 18:52 |
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Hunter 06 Jul 2006, 13:06
Yes, I've seen AMD manuals and found this quote there. I think it's a difference between AMD and Intel manuals
 . Maybe, these instructions have a different behaviour on AMD and Intel processors, but I havn't tested it. |
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06 Jul 2006, 13:06 |
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Hunter 10 Jul 2006, 08:39
Hi Tomasz! Does AMD send out hardcopy version of manuals as Intel, or you've printed them by yourself?
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10 Jul 2006, 08:39 |
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Tomasz Grysztar 10 Jul 2006, 22:14
It does, however only to recipients within the United States. I had to use the "middle man" in US to get them for me.
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10 Jul 2006, 22:14 |
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