[PATCH] x86: Add int1 as one byte opcode 0xf1

H.J. Lu hjl.tools@gmail.com
Thu Jul 15 11:56:37 GMT 2021


On Wed, Jul 14, 2021 at 11:29 PM Jan Beulich <jbeulich@suse.com> wrote:
>
> On 14.07.2021 23:28, H.J. Lu via Binutils wrote:
> > Also change the x86 disassembler to disassemble 0xf1 as int1, instead of
> > icebp.
>
> Is there a reason for this additional aspect? "icebp" is what this insn
> is commonly referred to, after all. I also find "int1" too similar to
> "int3" considering the significantly different behavior of both insns.

"int1" is documented in Intel SDM.

-- 
H.J.


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