Messages in this thread | | | Date | Fri, 31 Mar 2023 10:24:14 +0800 | From | Wu Zongyong <> | Subject | Re: [RFC PATCH] x86/insn: support decode MOVSXD instruction for MMIO |
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On Thu, Mar 30, 2023 at 03:39:51PM +0300, kirill.shutemov@linux.intel.com wrote: > On Wed, Mar 29, 2023 at 10:59:37AM +0800, Wu Zongyong wrote: > > It seems MOVSXD which opcode is 0x63 is not handled, support > > to decode it in insn_decode_mmio(). > > Do you have a particular user in mind? To be honest, I don't find a specific user which uses the MOVSXD.
But both Intel and AMD's instructions reference contains MOVSXD and lots of MOVSXD instructions occur when I "objdump -S vmlinux", so I think it may be useful to support it in insn_decode_mmio().
Are there some special consideration about this instruction?
> > -- > Kiryl Shutsemau / Kirill A. Shutemov
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