+ do do_consttovar on RiscV

compiler/optcse.pas

@@ -608,9 +608,9 @@ unit optcse;
         Result:=(n.nodetype=loadn) and (tloadnode(n).symtableentry.typ=staticvarsym)
           and ((vo_is_thread_var in tstaticvarsym(tloadnode(n).symtableentry).varoptions) or
             (cs_create_pic in current_settings.moduleswitches)
-{$if defined(aarch64) or defined(sparc) or defined(sparc64)}
+{$if defined(aarch64) or defined(sparc) or defined(sparc64) or defined(riscv)}
             or (not(tabstractvarsym(tloadnode(n).symtableentry).is_regvar(false)))
-{$endif defined(aarch64) or defined(sparc) or defined(sparc64)}
+{$endif defined(aarch64) or defined(sparc) or defined(sparc64) or defined(riscv)}
            );
       end;
 

compiler/riscv32/cpuinfo.pas

@@ -189,7 +189,7 @@ Const
                                   cs_opt_stackframe];
 
    level1optimizerswitches = genericlevel1optimizerswitches;
-   level2optimizerswitches = genericlevel2optimizerswitches + level1optimizerswitches + [{$ifndef llvm}cs_opt_regvar,{$endif}cs_opt_nodecse,cs_opt_tailrecursion];
+   level2optimizerswitches = genericlevel2optimizerswitches + level1optimizerswitches + [{$ifndef llvm}cs_opt_regvar,{$endif}cs_opt_nodecse,cs_opt_tailrecursion,cs_opt_consts];
    level3optimizerswitches = genericlevel3optimizerswitches + level2optimizerswitches;
    level4optimizerswitches = genericlevel4optimizerswitches + level3optimizerswitches + [cs_opt_stackframe]; 
 

compiler/riscv64/cpuinfo.pas

@@ -112,7 +112,7 @@ Const
 
    level1optimizerswitches = genericlevel1optimizerswitches;
    level2optimizerswitches = genericlevel2optimizerswitches + level1optimizerswitches + 
-     [{$ifndef llvm}cs_opt_regvar,{$endif}cs_opt_stackframe,cs_opt_nodecse,cs_opt_tailrecursion];
+     [{$ifndef llvm}cs_opt_regvar,{$endif}cs_opt_stackframe,cs_opt_nodecse,cs_opt_tailrecursion,cs_opt_consts];
    level3optimizerswitches = genericlevel3optimizerswitches + level2optimizerswitches;
    level4optimizerswitches = genericlevel4optimizerswitches + level3optimizerswitches + [cs_opt_stackframe];