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* optabs.c (debug_optab_libfunc): Update; make available to gdb. (libfunc_entry): New structure. (libfunc_hash): New hashtable. (hash_libfunc): New function. (eq_libfunc): New function. (convert_optab_libfunc): New function. (optab_libfunc): New function. (expand_binop, sign_expand_binop, expand_twoval_binop_libfunc, expand_unop, prepare_cmp_insn, prepare_float_insn, gen_add2_insn, expand_float, expand_fix, new_optab, new_convert_optab): Update for new libfunc API. (init_libfunc, init_integral_libfuncs, init_floating_libfuncs, init_interclass_conv_libfuncs init_intraclass_conv_libfuncs): Remove; reorganize all logic to: (gen_libfunc, gen_int_libfunc, gen_fp_libfunc, gen_int_fp_libfunc, gen_intv_fp_libfunc, gen_interclass_conv_libfunc, gen_int_to_fp_conv_libfunc, gen_ufloat_conv_libfunc, gen_int_to_fp_nondecimal_conv_libfunc, gen_fp_to_int_conv_libfunc, gen_intraclass_conv_libfunc, gen_trunc_conv_libfunc, gen_extend_conv_libfunc): New. (init_one_libfunc): Revamp for hashtables. (set_conv_libfunc): Likewise. (init_optabs): Initialize hashtable; use lazy initialization where possible. * optabs.h (optab_handlers): Move out of GGC. (optab, convert_optab): Move out of GGC; add lazy gen info. (code_to_optab, convert_optab_table, optab_table): Move out of GGC. (optab_libfunc, convert_optab_libfunc): New. * builtins.c (expand_builtin_powi): Update for new API. * expr.c (convert_move): Likewise. * expmed.c (expand_divmod): Likewise. From-SVN: r128083
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