* generate simplified code for unary minus when sse/avx is used

git-svn-id: trunk@47082 -

compiler/x86/nx86mat.pas

@@ -173,38 +173,13 @@ interface
 
         if expectloc=LOC_MMREGISTER then
           begin
-            hlcg.location_force_mmregscalar(current_asmdata.CurrAsmList,left.location,left.resultdef,true);
+            if not(left.location.loc in [LOC_MMREGISTER,LOC_CMMREGISTER,LOC_CREFERENCE,LOC_REFERENCE]) then
+              hlcg.location_force_mmregscalar(current_asmdata.CurrAsmList,left.location,left.resultdef,true);
             location_reset(location,LOC_MMREGISTER,def_cgsize(resultdef));
 
-            { make life of register allocator easier }
             location.register:=cg.getmmregister(current_asmdata.CurrAsmList,def_cgsize(resultdef));
-
-            current_asmdata.getglobaldatalabel(l1);
-            new_section(current_asmdata.asmlists[al_typedconsts],sec_rodata_norel,l1.name,const_align(sizeof(pint)));
-            current_asmdata.asmlists[al_typedconsts].concat(Tai_label.Create(l1));
-            case def_cgsize(resultdef) of
-              OS_F32:
-                current_asmdata.asmlists[al_typedconsts].concat(tai_const.create_32bit(longint(1 shl 31)));
-              OS_F64:
-                begin
-                  current_asmdata.asmlists[al_typedconsts].concat(tai_const.create_32bit(0));
-                  current_asmdata.asmlists[al_typedconsts].concat(tai_const.create_32bit(-(1 shl 31)));
-                end
-              else
-                internalerror(2004110215);
-            end;
-
-            reference_reset_symbol(href,l1,0,resultdef.alignment,[]);
-
-            if UseAVX then
-              cg.a_opmm_ref_reg_reg(current_asmdata.CurrAsmList,OP_XOR,left.location.size,href,left.location.register,location.register,nil)
-            else
-              begin
-                reg:=cg.getmmregister(current_asmdata.CurrAsmList,def_cgsize(resultdef));
-                cg.a_loadmm_ref_reg(current_asmdata.CurrAsmList,def_cgsize(resultdef),def_cgsize(resultdef),href,reg,mms_movescalar);
-                cg.a_loadmm_reg_reg(current_asmdata.CurrAsmList,def_cgsize(resultdef),def_cgsize(resultdef),left.location.register,location.register,mms_movescalar);
-                cg.a_opmm_reg_reg(current_asmdata.CurrAsmList,OP_XOR,left.location.size,reg,location.register,mms_movescalar);
-              end;
+            cg.a_opmm_reg_reg(current_asmdata.CurrAsmList,OP_XOR,location.size,location.register,location.register,nil);
+            cg.a_opmm_loc_reg(current_asmdata.CurrAsmList,OP_SUB,location.size,left.location,location.register,mms_movescalar);
           end
         else
           begin