diff --git a/compiler/powerpc/nppcmat.pas b/compiler/powerpc/nppcmat.pas
index 0286b2e0f7..d804571af2 100644
--- a/compiler/powerpc/nppcmat.pas
+++ b/compiler/powerpc/nppcmat.pas
@@ -576,6 +576,8 @@ end;
            end
          else
            begin
+              if left.location.loc in [LOC_SUBSETREG,LOC_CSUBSETREG,LOC_SUBSETREF,LOC_CSUBSETREF] then
+                location_force_reg(current_asmdata.CurrAsmList,left.location,left.location.size,true);
               location_copy(location,left.location);
               location.loc:=LOC_REGISTER;
               case left.location.loc of
diff --git a/compiler/powerpc64/nppcmat.pas b/compiler/powerpc64/nppcmat.pas
index 3807cf8434..b1a008188c 100644
--- a/compiler/powerpc64/nppcmat.pas
+++ b/compiler/powerpc64/nppcmat.pas
@@ -316,6 +316,8 @@ var
 begin
   secondpass(left);
   begin
+    if left.location.loc in [LOC_SUBSETREG,LOC_CSUBSETREG,LOC_SUBSETREF,LOC_CSUBSETREF] then
+      location_force_reg(current_asmdata.CurrAsmList,left.location,left.location.size,true);
     location_copy(location, left.location);
     location.loc := LOC_REGISTER;
     case left.location.loc of