[SVE256] Handle SSE insertions for PHMINPOSUW

See #3799

FEXCore/Source/Interface/Core/OpcodeDispatcher.h

@@ -872,7 +872,10 @@ public:
   void VectorVariableBlend(OpcodeArgs, IR::OpSize ElementSize);
   void PTestOpImpl(OpSize Size, Ref Dest, Ref Src);
   void PTestOp(OpcodeArgs);
+
+  void AVXPHMINPOSUWOp(OpcodeArgs);
   void PHMINPOSUWOp(OpcodeArgs);
+
   void DPPOp(OpcodeArgs, IR::OpSize ElementSize);
 
   void MPSADBWOp(OpcodeArgs);

FEXCore/Source/Interface/Core/OpcodeDispatcher/Vector.cpp

@@ -4419,6 +4419,11 @@ Ref OpDispatchBuilder::PHMINPOSUWOpImpl(OpcodeArgs) {
 }
 
 void OpDispatchBuilder::PHMINPOSUWOp(OpcodeArgs) {
+  Ref Result = PHMINPOSUWOpImpl(Op);
+  StoreResult_WithAVXInsert(VectorOpType::SSE, RegClass::FPR, Op, Result);
+}
+
+void OpDispatchBuilder::AVXPHMINPOSUWOp(OpcodeArgs) {
   Ref Result = PHMINPOSUWOpImpl(Op);
   StoreResultFPR(Op, Result);
 }

FEXCore/Source/Interface/Core/X86Tables/VEXTables.cpp

@@ -752,7 +752,7 @@ namespace AVX256 {
     {OPD(2, 0b01, 0x3F), 1, &OpDispatchBuilder::Bind<&OpDispatchBuilder::AVXVectorALUOp, IR::OP_VUMAX, OpSize::i32Bit>},
 
     {OPD(2, 0b01, 0x40), 1, &OpDispatchBuilder::Bind<&OpDispatchBuilder::AVXVectorALUOp, IR::OP_VMUL, OpSize::i32Bit>},
-    {OPD(2, 0b01, 0x41), 1, &OpDispatchBuilder::PHMINPOSUWOp},
+    {OPD(2, 0b01, 0x41), 1, &OpDispatchBuilder::AVXPHMINPOSUWOp},
     {OPD(2, 0b01, 0x45), 1, &OpDispatchBuilder::VPSRLVOp},
     {OPD(2, 0b01, 0x46), 1, &OpDispatchBuilder::VPSRAVDOp},
     {OPD(2, 0b01, 0x47), 1, &OpDispatchBuilder::VPSLLVOp},

unittests/ASM/SSELanePreservation/phminposuw.asm

@@ -0,0 +1,25 @@
+%ifdef CONFIG
+{
+  "HostFeatures": ["AVX"],
+  "RegData": {
+    "XMM0": ["0x0000000000051278", "0x0000000000000000", "0xccdbcfc31f3ff0f3", "0x108390defebac4be"],
+    "XMM1": ["0x0000000000041278", "0x0000000000000000", "0", "0"],
+    "XMM2": ["0xc4be43cc1ad6970b", "0x4549bd7eb46a1278", "0xf793ef673dac6e4c", "0xbb7b5b3d85d34271"]
+  }
+}
+%endif
+
+vmovaps ymm0, [rel .data]
+vmovaps ymm1, [rel .data + (1 * 32)]
+vmovaps ymm2, [rel .data + (2 * 32)]
+
+phminposuw xmm0, xmm1
+vphminposuw xmm1, xmm2
+
+hlt
+
+align 32
+.data:
+dq 0xfdecd28fab3fa4a5, 0x7d7ccd8836d09fc2, 0xccdbcfc31f3ff0f3, 0x108390defebac4be
+dq 0x43cc1ad6970b4549, 0xbd7eb46a1278f793, 0xef673dac6e4cbb7b, 0x5b3d85d342718be9
+dq 0xc4be43cc1ad6970b, 0x4549bd7eb46a1278, 0xf793ef673dac6e4c, 0xbb7b5b3d85d34271