Re: [patch] emit-rtl.c: Remove set_mem_attrs_from_reg.

[Richard Guenther <richard dot guenther at gmail dot com>]

On Thu, Apr 16, 2009 at 10:04 AM, Kazu Hirata <kazu@codesourcery.com> wrote:
> Hi,
>
> Attached is a patch to remove set_mem_attrs_from_reg.
>
> AFAICT, this function has been unused since:
>
> 2008-10-12 ?Richard Henderson ?<rth@redhat.com>
>
> ? ? ? ?PR middle-end/37447
> ? ? ? ?* Makefile.in (reload1.o): Depend on EMIT_RTL_H.
> ? ? ? ?* alias.c (value_addr_p, stack_addr_p): Remove.
> ? ? ? ?(nonoverlapping_memrefs_p): Remove IRA special case.
> ? ? ? ?* emit-rtl.c (get_spill_slot_decl, set_mem_attrs_for_spill): New.
> ? ? ? ?* emit-rtl.h (set_mem_attrs_for_spill): Declare.
> ? ? ? ?* reload1.c (alter_reg): Use it.
>
> Bootstrapped on x86_64-pc-linux-gnu. ?OK to apply?

Ok..

THanks,
RIchard.

> Kazu Hirata
>
> 2009-04-16 ?Kazu Hirata ?<kazu@codesourcery.com>
>
> ? ? ? ?* emit-rtl.c (set_mem_attrs_from_reg): Remove.
> ? ? ? ?* rtl.h: Remove the prototype for set_mem_attrs_from_reg.
>
> Index: gcc/emit-rtl.c
> ===================================================================
> --- gcc/emit-rtl.c ? ? ?(revision 146080)
> +++ gcc/emit-rtl.c ? ? ?(working copy)
> @@ -1858,17 +1858,6 @@ set_mem_attributes (rtx ref, tree t, int
> ? set_mem_attributes_minus_bitpos (ref, t, objectp, 0);
> ?}
>
> -/* Set MEM to the decl that REG refers to. ?*/
> -
> -void
> -set_mem_attrs_from_reg (rtx mem, rtx reg)
> -{
> - ?MEM_ATTRS (mem)
> - ? ?= get_mem_attrs (MEM_ALIAS_SET (mem), REG_EXPR (reg),
> - ? ? ? ? ? ? ? ? ? ?GEN_INT (REG_OFFSET (reg)),
> - ? ? ? ? ? ? ? ? ? ?MEM_SIZE (mem), MEM_ALIGN (mem), GET_MODE (mem));
> -}
> -
> ?/* Set the alias set of MEM to SET. ?*/
>
> ?void
> Index: gcc/rtl.h
> ===================================================================
> --- gcc/rtl.h ? (revision 146080)
> +++ gcc/rtl.h ? (working copy)
> @@ -1493,7 +1493,6 @@ extern rtx copy_insn (rtx);
> ?extern rtx gen_int_mode (HOST_WIDE_INT, enum machine_mode);
> ?extern rtx emit_copy_of_insn_after (rtx, rtx);
> ?extern void set_reg_attrs_from_value (rtx, rtx);
> -extern void set_mem_attrs_from_reg (rtx, rtx);
> ?extern void set_reg_attrs_for_parm (rtx, rtx);
> ?extern void adjust_reg_mode (rtx, enum machine_mode);
> ?extern int mem_expr_equal_p (const_tree, const_tree);
>