toplev.c (no_new_pseudos): Define.
* toplev.c (no_new_pseudos): Define.
(rest_of_compilation): Set no_new_pseudos as needed.
* emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
if no_new_pseudos is set.
* rtl.h (no_new_pseudos): Declare it.
* reload1.c (reload): Update comments.
* md.texi: Corresponding changes.
* reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
(choose_reload_regs): Rename it here as well. When computing it,
also merge in used hardregs.
From-SVN: r23855