diff --git a/src/alloy/backend/ivm/ivm_intcode.cc b/src/alloy/backend/ivm/ivm_intcode.cc
index 9d1dbd32c..7d73a4aef 100644
--- a/src/alloy/backend/ivm/ivm_intcode.cc
+++ b/src/alloy/backend/ivm/ivm_intcode.cc
@@ -382,7 +382,7 @@ int TranslateInvalid(TranslationContext& ctx, Instr* i) {
 
 uint32_t IntCode_COMMENT(IntCodeState& ics, const IntCode* i) {
   char* value = (char*)(i->src1_reg | ((uint64_t)i->src2_reg << 32));
-  IPRINT("%s\n", value);
+  IPRINT("XE[t] :%d: %s\n", ics.thread_state->GetThreadID(), value);
   IFLUSH();
   return IA_NEXT;
 }
diff --git a/src/alloy/frontend/ppc/ppc_function_builder.cc b/src/alloy/frontend/ppc/ppc_function_builder.cc
index f92c3a806..c4ba68514 100644
--- a/src/alloy/frontend/ppc/ppc_function_builder.cc
+++ b/src/alloy/frontend/ppc/ppc_function_builder.cc
@@ -96,15 +96,15 @@ int PPCFunctionBuilder::Emit(FunctionInfo* symbol_info) {
         AnnotateLabel(address, label);
       }
       if (!i.type) {
-        Comment("%.8X: %.8X ???", address, i.code);
+        Comment("%.8X %.8X ???", address, i.code);
       } else if (i.type->disassemble) {
         ppc::InstrDisasm d;
         i.type->disassemble(i, d);
         std::string disasm;
         d.Dump(disasm);
-        Comment("%.8X: %.8X %s", address, i.code, disasm.c_str());
+        Comment("%.8X %.8X %s", address, i.code, disasm.c_str());
       } else {
-        Comment("%.8X: %.8X %s ???", address, i.code, i.type->name);
+        Comment("%.8X %.8X %s ???", address, i.code, i.type->name);
       }
     }