[clang] [llvm] [X86][AVX10.2] Support AVX10.2-SATCVT-DS new instructions. (PR #102592)

[Phoebe Wang via llvm-commits]

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@@ -625,6 +625,317 @@ defm VCVTTPS2IUBS : avx10_sat_cvt_base<0x6a, "vcvttps2iubs", SchedWriteVecIMul,
                                       X86vcvttp2iubsSAE>,
                     AVX512PDIi8Base, T_MAP5, EVEX_CD8<32, CD8VF>;
 
+//-------------------------------------------------
+// AVX10 SATCVT-DS instructions
+//-------------------------------------------------
+
+// Convert Double to Signed/Unsigned Doubleword with truncation.
+multiclass avx512_cvttpd2dqs<bits<8> opc, string OpcodeStr, SDPatternOperator OpNode,
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phoebewang wrote:

Nit new defined multiclass should start with avx10_

https://github.com/llvm/llvm-project/pull/102592