@device(postscript) @libraryfile(Mathematics10) @libraryfile(Accents) @style(fontfamily=timesroman,fontscale=11) @pagefooting(immediate, left "@c", center "@c", right "@c") @heading(Issues in Register Allocation by Graph Coloring) @heading(CMU-CS-96-171) @center(@b(Guei-Yuan Lueh)) @center(November 1996) @center(FTP: CMU-CS-96-171.ps) @blankspace(1) @begin(text) This technical report addresses some issues in register allocation by graph coloring and presents three improvements, storage-class analysis, priority-based simplification and preference decision. The influence of the three improvements to graph coloring is discussed in this report. Comparisons of various register allocations are discussed as well. @blankspace(2line) @begin(transparent,size=10) @b(Keywords:@ )@c @end(transparent) @blankspace(1line) @end(text) @flushright(@b[(30 pages)])