emit-rtl.c (reg_attrs_htab): New static variable.

[gcc.git] / gcc / ChangeLog

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+Fri Jan 24 23:44:12 CET 2003  Jan Hubicka  <jh@suse.cz>
+
+       * emit-rtl.c (reg_attrs_htab): New static variable.
+       (reg_attrs_htab_hash, reg_attrs_htab_eq, get_reg_attrs): New static
+       functions.
+       (reg_rtx): Do not maintain regno_decl.
+       (gen_rtx_REG_offset, set_reg_attrs_from_mem, set_delc_rtx,
+       set_mem_attrs_from_reg): New global function.
+       (init_emit): Do not initialize regno_decl.
+       (init_emit_once): initialize reg_attrs_htab.
+       * final.c (alter_subreg): Do not replace REG by SUBREG.
+       (gen_mem_expr_from_op): Improve output.
+       (output_asm_operands): Likewise.
+       * function.c (assign_params): Do not set REGNO_DECL.
+       * function.h (struct function): Kill regno_decl.
+       (REGNO_DECL): Kill.
+       * gengtype.c (adjust_field_rtx_def): Handle new field of reg.
+       * print_rtl.c (print_rtx): Output REG information.
+       * regclass.c (reg_scan_mark_refs): Update attrs.
+       * reload1.c (alter_reg): Likewise.
+       * simplify_rtx.c (simplify_subreg): Likewise.
+       * stmt.c (expand_decl): Likewise.
+       * rtl.def (REG): Add new field.
+       * rtl.h (struct reg_attrs): New.
+       (rtunion_def): At rtreg.
+       (X0MEMATTR): Add checking.
+       (X0REGATTR, REG_ATTRS, REG_EXPR, REG_OFFSET): New macro.
+       (set_reg_attrs_from_mem, set_mem_attrs_from_reg, gen_rtx_REG_offset):
+       Declare.
+       * tree.h (SET_DECL_RTL): Call set_decl_rtl.
+
 2003-01-24  Bob Wilson  <bob.wilson@acm.org>
 
        * config/xtensa/xtensa.c: Remove unused include of machmode.h.