[llvm] Add generic IR implementations of some SIMD opcodes, not used yet.

diff --git a/mono/mini/mini-llvm.c b/mono/mini/mini-llvm.c
index 7665b6a56b515df24e7e73800e5c8b2bf0d78783..9af6360a09b94d13952c603cea9496106dbedc1b 100644 (file)
--- a/mono/mini/mini-llvm.c
+++ b/mono/mini/mini-llvm.c
@@ -6063,6 +6063,33 @@ process_bb (EmitContext *ctx, MonoBasicBlock *bb)
                        values [ins->dreg] = LLVMBuildInsertElement (builder, values [ins->sreg1], convert (ctx, values [ins->sreg2], LLVMDoubleType ()), LLVMConstInt (LLVMInt32Type (), ins->inst_c0, FALSE), dname);
                        break;
 
+#if 0
+                       // Requires a later llvm version
+               case OP_CVTDQ2PD: {
+                       LLVMValueRef indexes [16];
+
+                       indexes [0] = LLVMConstInt (LLVMInt32Type (), 0, FALSE);
+                       indexes [1] = LLVMConstInt (LLVMInt32Type (), 1, FALSE);
+                       LLVMValueRef mask = LLVMConstVector (indexes, 2);
+                       LLVMValueRef shuffle = LLVMBuildShuffleVector (builder, lhs, LLVMConstNull (LLVMTypeOf (lhs)), mask, "");
+                       values [ins->dreg] = LLVMBuildSIToFP (builder, shuffle, LLVMVectorType (LLVMDoubleType (), 2), dname);
+                       break;
+               }
+               case OP_CVTPS2PD: {
+                       LLVMValueRef indexes [16];
+
+                       indexes [0] = LLVMConstInt (LLVMInt32Type (), 0, FALSE);
+                       indexes [1] = LLVMConstInt (LLVMInt32Type (), 1, FALSE);
+                       LLVMValueRef mask = LLVMConstVector (indexes, 2);
+                       LLVMValueRef shuffle = LLVMBuildShuffleVector (builder, lhs, LLVMConstNull (LLVMTypeOf (lhs)), mask, "");
+                       values [ins->dreg] = LLVMBuildFPExt (builder, shuffle, LLVMVectorType (LLVMDoubleType (), 2), dname);
+                       break;
+               }
+               case OP_CVTTPS2DQ:
+                       values [ins->dreg] = LLVMBuildFPToSI (builder, lhs, LLVMVectorType (LLVMInt32Type (), 4), dname);
+                       break;
+#endif
+
                case OP_CVTDQ2PD:
                case OP_CVTDQ2PS:
                case OP_CVTPD2DQ: