[decompiler] Update vector ops, reduce casts (#3849)

Update the decompiler to use the new vf macros.

Also, fix a bunch of silly casting issues where accessing inline fields
with an offset of 0 would be better than a cast:

![image](https://github.com/user-attachments/assets/885bbb07-634f-47b8-99f5-5a947941cdde)

---------

Co-authored-by: water111 <awaterford1111445@gmail.com>

decompiler/IR2/OpenGoalMapping.cpp

@@ -207,6 +207,13 @@ std::string OpenGOALAsm::full_function_name() {
       func_name = fmt::format(fmt::runtime(func_name), bc);
     }
   }
+
+  // Handle destination masks
+  if (func.allows_modifier(MOD::DEST_MASK) && m_instr.cop2_dest != 0xff &&
+      m_instr.cop2_dest != 15) {
+    func_name += m_instr.cop2_dest_to_char();
+  }
+
   return func_name;
 }
 
@@ -270,13 +277,6 @@ std::vector<goos::Object> OpenGOALAsm::get_args(const std::vector<DecompilerLabe
     args.push_back(pretty_print::to_symbol("acc"));
   }
 
-  // Handle destination masks
-  if (func.allows_modifier(MOD::DEST_MASK) && m_instr.cop2_dest != 0xff &&
-      m_instr.cop2_dest != 15) {
-    named_args.push_back(
-        pretty_print::to_symbol(fmt::format(":mask #b{:b}", m_instr.cop2_dest_mask_intel())));
-  }
-
   // Some functions are configured, or its easiest to swap the source args
   // NOTE - this currently assumes it is the first two args that must be swapped
   if (func.allows_modifier(MOD::SWAP_FIRST_TWO_SOURCE_ARGS)) {