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* function.c (keep_stack_depressed): Don't use delete_insn. * expr.h (set_mem_alias_set): Move decl to here. * rtl.h (mem_attrs): New typedef and struct. (union rtunion_def): Add field for mem_attrs. (X0MEMATTR, MEM_ATTRS): New macros. (MEM_ALIAS_SET): Use MEM_ATTRS. (MEM_DECL, MEM_OFFSET, MEM_SIZE, MEM_ALIGN): New macros. (MEM_COPY_ATTRIBUTES): Copy MEM_ATTRS. (set_mem_alias_set): Delete decl from here. * alias.c (set_mem_alias_set): Delete from here. * emit-rtl.c (mem_attrs_htab): New variable. (rtx_htab_mark, rtx_htab_mark_1): Deleted. (mem_attrs_htab_hash, mem_attrs_htab_eq): New functions. (mem_attrs_mark, get_mem_attrs): Likewise. (gen_rtx_MEM): Clear MEM_ATTRS. (set_mem_attributes): Move to here. (set_mem_alias_set): Likewise, and call get_mem_attrs. (init_emit_once): const_int_htab now deletable htab. Initialize mem_attrs_htab. * explow.c (set_mem_attributes): Delete from here. * function.c (put_var_into_stack): Clear MEM_ATTRS. (gen_mem_addressof): Likewise; rework to use set_mem_attributes. * ggc-common.c (ggc_mark_rtx_children, case MEM): New case. * reload1.c (reload): Rework changing REG to MEM. From-SVN: r45922
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