[PATCH 06/10] Support Intel RAO-INT

[Jan Beulich]

On 14.10.2022 16:38, Jan Beulich wrote:
> On 14.10.2022 11:12, Haochen Jiang wrote:
>> --- a/opcodes/i386-opc.tbl
>> +++ b/opcodes/i386-opc.tbl
>> @@ -3317,3 +3317,12 @@ cmpsxadd, 0x66e8, None, CpuCMPCCXADD|Cpu64, Modrm|Vex128|Space0F38|VexVVVV=1|Swa
>>  cmpzxadd, 0x66e4, None, CpuCMPCCXADD|Cpu64, Modrm|Vex128|Space0F38|VexVVVV=1|SwapSources|CheckRegSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg32|Reg64, Reg32|Reg64, Dword|Qword|Unspecified|BaseIndex }
>>  
>>  // CMPCCXADD instructions end.
>> +
>> +// RAOINT instructions.
> 
> Nit: Better RAO-INT, like in the title?
> 
>> +aadd, 0xf38fc, None, CpuRAOINT, Modrm|IgnoreSize|No_bSuf|No_wSuf|No_sSuf|No_ldSuf,{ Reg32|Reg64, Dword|Qword|Unspecified|BaseIndex}
>> +aand, 0x660f38fc, None, CpuRAOINT, Modrm|IgnoreSize|No_bSuf|No_wSuf|No_sSuf|No_ldSuf,{ Reg32|Reg64, Dword|Qword|Unspecified|BaseIndex}
>> +aor, 0xf20f38fc, None, CpuRAOINT, Modrm|IgnoreSize|No_bSuf|No_wSuf|No_sSuf|No_ldSuf,{ Reg32|Reg64, Dword|Qword|Unspecified|BaseIndex}
>> +axor, 0xf30f38fc, None, CpuRAOINT, Modrm|IgnoreSize|No_bSuf|No_wSuf|No_sSuf|No_ldSuf,{ Reg32|Reg64, Dword|Qword|Unspecified|BaseIndex}
> 
> Why IgnoreSize?

I take back this one question - for the time being IgnoreSize continues to
be needed for legacy-encoded insns to not have an operand size prefix emitted
in 16-bit code.

Jan