[clang] [llvm] [X86][AVX10.2] Support AVX10.2-BF16 new instructions. (PR #101603)

[Freddy Ye via cfe-commits]

================
@@ -910,3 +910,313 @@ multiclass avx10_convert_2op_nomb<string OpcodeStr, 
AVX512VLVectorVTInfo _dest,
 defm VCVTHF82PH : avx10_convert_2op_nomb<"vcvthf82ph", avx512vl_f16_info,
                                          avx512vl_i8_info, 0x1e, 
X86vcvthf82ph>,
                   AVX512XDIi8Base, T_MAP5, EVEX, EVEX_CD8<16, CD8VH>;
+
+//-------------------------------------------------
+// AVX10 BF16 instructions
+//-------------------------------------------------
+
+// VADDNEPBF16, VSUBNEPBF16, VMULNEPBF16, VDIVNEPBF16, VMAXPBF16, VMINPBF16
+multiclass avx10_fp_binopne_int_pbf16<bits<8> opc, string OpcodeStr,
+                   X86SchedWriteSizes sched,
+                   bit IsCommutable = 0> {
+  let Predicates = [HasAVX10_2_512] in
+    defm PBF16Z : avx512_fp_packed<opc, OpcodeStr,
----------------
FreddyLeaf wrote:

[7957436](https://github.com/llvm/llvm-project/pull/101603/commits/7957436ac07d1902f3f510de756577c00353dd02)

https://github.com/llvm/llvm-project/pull/101603
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