[PATCH v2] Support Intel AVX10.2 convert instructions

[Jan Beulich]

On 12.10.2024 10:16, Haochen Jiang wrote:
> This is the v2 patch for convert instructions suuport for AVX10.2, with
> changes in v2 and patch descrption embedded following.
> 
> Tested on x86-64-pc-linux-gnu. Ok for trunk?

Yes, with ...

> --- a/opcodes/i386-opc.tbl
> +++ b/opcodes/i386-opc.tbl
> @@ -3433,4 +3433,21 @@ pop2p, 0x8f/0, APX_F, Modrm|VexW1|EVexMap4|DstVVVV|ImplicitStackOp|No_bSuf|No_wS
>  vdpphps, 0x52, AVX10_2, Modrm|Space0F38|Src1VVVV|VexW0|Masking|Broadcast|Disp8ShiftVL|CheckOperandSize|NoSuf, { RegXMM|RegYMM|RegZMM|Dword|Unspecified|BaseIndex, RegXMM|RegYMM|RegZMM, RegXMM|RegYMM|RegZMM }
>  vmpsadbw, 0xf342, AVX10_2, Modrm|Space0F3A|Src1VVVV|VexW0|Masking|Disp8ShiftVL|CheckOperandSize|NoSuf, { Imm8, RegXMM|RegYMM|RegZMM|Unspecified|BaseIndex, RegXMM|RegYMM|RegZMM, RegXMM|RegYMM|RegZMM }
>  
> +vcvt2ps2phx, 0x6667, AVX10_2, Modrm|Space0F38|Masking|Src1VVVV|VexW0|Broadcast|Disp8ShiftVL|CheckOperandSize|NoSuf|StaticRounding|SAE, { RegXMM|RegYMM|RegZMM|Dword|Unspecified|BaseIndex, RegXMM|RegYMM|RegZMM, RegXMM|RegYMM|RegZMM }
> +
> +<cvt8:opc:spc, +
> +    bf8:74:Space0F38, +
> +    bf8s:74:EVexMap5, +
> +    hf8:18:EVexMap5, +
> +    hf8s:1b:EVexMap5>
> +
> +vcvtbiasph2<cvt8>, 0x<cvt8:opc>, AVX10_2, Modrm|<cvt8:spc>|Masking|Src1VVVV|VexW0|Broadcast|Disp8ShiftVL|CheckOperandSize|NoSuf, { RegXMM|RegYMM|Word|Unspecified|BaseIndex, RegXMM|RegYMM, RegXMM }
> +vcvtbiasph2<cvt8>, 0x<cvt8:opc>, AVX10_2, Modrm|<cvt8:spc>|EVex512|Masking|Src1VVVV|VexW0|Broadcast|Disp8MemShift=6|NoSuf, { RegZMM|Word|Unspecified|BaseIndex, RegZMM, RegYMM }
> +vcvtne2ph2<cvt8>, 0xf2<cvt8:opc>, AVX10_2, Modrm|<cvt8:spc>|Masking|Src1VVVV|VexW0|Broadcast|Disp8ShiftVL|CheckOperandSize|NoSuf, { RegXMM|RegYMM|RegZMM|Word|Unspecified|BaseIndex, RegXMM|RegYMM|RegZMM, RegXMM|RegYMM|RegZMM }
> +vcvtneph2<cvt8><Exy>, 0xf3<cvt8:opc>, AVX10_2, Modrm|<cvt8:spc>|<Exy:attr>|Masking|VexW0|Broadcast|NoSuf, { <Exy:src>|Word, <Exy:dst> }

... the cvt8 template also purged again here. Such local "helper"
templates better aren't left active.

Jan