[clang] [llvm] [X86][AVX10.2] Support AVX10.2 MOVZXC new Instructions. (PR #108537)

[Phoebe Wang via cfe-commits]

================
@@ -1537,3 +1537,67 @@ defm VFNMADD132NEPBF16 : avx10_fma3p_132_bf16<0x9C, "vfnmadd132nepbf16", X86any_
 defm VFNMSUB132NEPBF16 : avx10_fma3p_132_bf16<0x9E, "vfnmsub132nepbf16", X86any_Fnmsub,
                                               X86Fnmsub, SchedWriteFMA>;
 }
+
+//-------------------------------------------------
+// AVX10 MOVZXC (COPY) instructions
+//-------------------------------------------------
+let Predicates = [HasAVX10_2] in {
+  def VMOVZPDILo2PDIZrr : AVX512XSI<0x7E, MRMSrcReg, (outs VR128X:$dst),
+                                    (ins VR128X:$src),
+                                    "vmovd\t{$src, $dst|$dst, $src}",
+                                    [(set VR128X:$dst, (v4i32 (X86vzmovl
+                                    (v4i32 VR128X:$src))))]>, EVEX,
+                                    Sched<[WriteVecMoveFromGpr]>;
+
+let isCodeGenOnly = 1, ForceDisassemble = 1, hasSideEffects = 0, mayLoad = 1 in
+  def VMOVZPDILo2PDIZrm : AVX512XSI<0x7E, MRMSrcMem, (outs VR128X:$dst),
+                                    (ins i32mem:$src),
+                                    "vmovd\t{$src, $dst|$dst, $src}", []>, EVEX,
+                                     EVEX_CD8<32, CD8VT1>,
+                                     Sched<[WriteVecLoad]>;
+
+let isCodeGenOnly = 1, ForceDisassemble = 1, hasSideEffects = 0, mayStore = 1 in
+  def VMOVZPDILo2PDIZmr : AVX512PDI<0xD6, MRMDestMem, (outs),
+                                    (ins i32mem:$dst, VR128X:$src),
+                                    "vmovd\t{$src, $dst|$dst, $src}", []>, EVEX,
+                                    EVEX_CD8<32, CD8VT1>,
+                                    Sched<[WriteVecStore]>;
+
+let isCodeGenOnly = 1, ForceDisassemble = 1, hasSideEffects = 0 in
+  def VMOVZPDILo2PDIZrr2 : AVX512PDI<0xD6, MRMSrcReg, (outs VR128X:$dst),
+                                     (ins VR128X:$src),
+                                     "vmovd\t{$src, $dst|$dst, $src}", []>, EVEX,
+                                     Sched<[WriteVecMoveFromGpr]>;
+  def : InstAlias<"vmovd.s\t{$src, $dst|$dst, $src}",
+                  (VMOVZPDILo2PDIZrr2 VR128X:$dst, VR128X:$src), 0>;
+
+def VMOVZPWILo2PWIZrr : AVX512XSI<0x6E, MRMSrcReg, (outs VR128X:$dst),
+                                  (ins VR128X:$src),
+                                  "vmovw\t{$src, $dst|$dst, $src}",
+                                  [(set VR128X:$dst, (v8i16 (X86vzmovl
+                                  (v8i16 VR128X:$src))))]>, EVEX, T_MAP5,
+                                  Sched<[WriteVecMoveFromGpr]>;
+
+let isCodeGenOnly = 1, ForceDisassemble = 1, hasSideEffects = 0, mayLoad = 1 in
+  def VMOVZPWILo2PWIZrm : AVX512XSI<0x6E, MRMSrcMem, (outs VR128X:$dst),
+                                    (ins i16mem:$src),
+                                    "vmovw\t{$src, $dst|$dst, $src}", []>, EVEX,
+                                    EVEX_CD8<16, CD8VT1>, T_MAP5,
+                                    Sched<[WriteVecLoad]>;
+
+let isCodeGenOnly = 1, ForceDisassemble = 1, hasSideEffects = 0, mayStore = 1 in
+  def VMOVZPWILo2PWIZmr : AVX512XSI<0x7E, MRMDestMem, (outs),
+                                    (ins i32mem:$dst, VR128X:$src),
+                                    "vmovw\t{$src, $dst|$dst, $src}", []>, EVEX,
+                                    EVEX_CD8<16, CD8VT1>, T_MAP5,
+                                    Sched<[WriteVecStore]>;
+
+let isCodeGenOnly = 1, ForceDisassemble = 1, hasSideEffects = 0 in
+  def VMOVZPWILo2PWIZrr2 : AVX512XSI<0x7E, MRMSrcReg, (outs VR128X:$dst),
+                                     (ins VR128X:$src),
+                                     "vmovw\t{$src, $dst|$dst, $src}",
+                                     []>, EVEX, T_MAP5,
+                                     Sched<[WriteVecMoveFromGpr]>;
+  def : InstAlias<"vmovw.s\t{$src, $dst|$dst, $src}",
+                  (VMOVZPWILo2PWIZrr2 VR128X:$dst, VR128X:$src), 0>;
+}
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phoebewang wrote:

ditto.

https://github.com/llvm/llvm-project/pull/108537