[PATCH v2] x86: Ignore rounding for vcvt[,u]si2sd under r32 and vcvt[,u]dq2pd instead of reporting bad

[Christian Ludloff]

>  vcvtdq2pd, 0xF3E6, AVX512VL, Modrm|EVex128|Masking|Space0F|VexW0|Broadcast|Disp8MemShift=3|NoSuf, { RegXMM|Dword|Qword|Unspecified|BaseIndex, RegXMM }
> -vcvtdq2pd, 0xF3E6, AVX512VL, Modrm|EVex256|Masking|Space0F|VexW0|Broadcast|Disp8MemShift=4|NoSuf, { RegXMM|Dword|Unspecified|BaseIndex, RegYMM }
> +vcvtdq2pd, 0xF3E6, AVX512VL, Modrm|EVex256|Masking|Space0F|VexW0|Broadcast|Disp8MemShift=4|NoSuf|StaticRounding|SAE, { RegXMM|Dword|Unspecified|BaseIndex, RegYMM }
>  vcvtudq2pd, 0xF37A, AVX512VL, Modrm|EVex128|Masking|Space0F|VexW0|Broadcast|Disp8MemShift=3|NoSuf, { RegXMM|Dword|Qword|Unspecified|BaseIndex, RegXMM }
> -vcvtudq2pd, 0xF37A, AVX512VL, Modrm|EVex256|Masking|Space0F|VexW0|Broadcast|Disp8MemShift=4|NoSuf, { RegXMM|Dword|Unspecified|BaseIndex, RegYMM }
> +vcvtudq2pd, 0xF37A, AVX512VL, Modrm|EVex256|Masking|Space0F|VexW0|Broadcast|Disp8MemShift=4|NoSuf|StaticRounding|SAE, { RegXMM|Dword|Unspecified|BaseIndex, RegYMM }

Where is the notion that the 256-bit variant of {er}, encoded with
U=0, requires AVX10.2?

(Is it in some central place elsewhere? Sorry, I'm not familiar enough
with the codebase.)

--
C.