[D3D12] Code style fixes

src/xenia/gpu/d3d12/primitive_converter.cc

@@ -399,12 +399,12 @@ PrimitiveConverter::ConversionResult PrimitiveConverter::ConvertPrimitives(
     }
   } else if (source_type == PrimitiveType::kTriangleStrip ||
              source_type == PrimitiveType::kLineStrip) {
+#if XE_ARCH_AMD64
     // Replace the reset index with the maximum representable value - vector OR
     // gives 0 or 0xFFFF/0xFFFFFFFF, which is exactly what is needed.
     // Allocations in the target index buffer are aligned with 16-byte
     // granularity, and within 16-byte vectors, both the source and the target
     // start at the same offset.
-#if XE_ARCH_AMD64
     union {
       const __m128i* source_aligned_128;
       uintptr_t source_aligned_uintptr;

src/xenia/gpu/dxbc_shader_translator.cc

@@ -7476,9 +7476,10 @@ void DxbcShaderTranslator::WriteResourceDefinitions() {
     shader_object_.push_back(0);
     shader_object_.push_back(type_name_offsets[i]);
   }
+
+#if 0
   // Structure members. Structures are not used currently, but were used in the
   // past, so the code is kept here.
-#if 0
   for (uint32_t i = 0; i < uint32_t(RdefTypeIndex::kCount); ++i) {
     const RdefType& type = rdef_types_[i];
     const RdefStructMember* struct_members = type.struct_members;