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Re: [019/nnn] poly_int: lra frame offsets
- From: Jeff Law <law at redhat dot com>
- To: gcc-patches at gcc dot gnu dot org, richard dot sandiford at linaro dot org
- Date: Tue, 5 Dec 2017 17:16:32 -0700
- Subject: Re: [019/nnn] poly_int: lra frame offsets
- Authentication-results: sourceware.org; auth=none
- References: <871sltvm7r.fsf@linaro.org> <87lgk1rdw5.fsf@linaro.org>
On 10/23/2017 11:07 AM, Richard Sandiford wrote:
> This patch makes LRA use poly_int64s rather than HOST_WIDE_INTs
> to store a frame offset (including in things like eliminations).
>
>
> 2017-10-23 Richard Sandiford <richard.sandiford@linaro.org>
> Alan Hayward <alan.hayward@arm.com>
> David Sherwood <david.sherwood@arm.com>
>
> gcc/
> * lra-int.h (lra_reg): Change offset from int to poly_int64.
> (lra_insn_recog_data): Change sp_offset from HOST_WIDE_INT
> to poly_int64.
> (lra_eliminate_regs_1, eliminate_regs_in_insn): Change
> update_sp_offset from a HOST_WIDE_INT to a poly_int64.
> (lra_update_reg_val_offset, lra_reg_val_equal_p): Take the
> offset as a poly_int64 rather than an int.
> * lra-assigns.c (find_hard_regno_for_1): Handle poly_int64 offsets.
> (setup_live_pseudos_and_spill_after_risky_transforms): Likewise.
> * lra-constraints.c (equiv_address_substitution): Track offsets
> as poly_int64s.
> (emit_inc): Check poly_int_rtx_p instead of CONST_INT_P.
> (curr_insn_transform): Handle the new form of sp_offset.
> * lra-eliminations.c (lra_elim_table): Change previous_offset
> and offset from HOST_WIDE_INT to poly_int64.
> (print_elim_table, update_reg_eliminate): Update accordingly.
> (self_elim_offsets): Change from HOST_WIDE_INT to poly_int64_pod.
> (get_elimination): Update accordingly.
> (form_sum): Check poly_int_rtx_p instead of CONST_INT_P.
> (lra_eliminate_regs_1, eliminate_regs_in_insn): Change
> update_sp_offset from a HOST_WIDE_INT to a poly_int64. Handle
> poly_int64 offsets generally.
> (curr_sp_change): Change from HOST_WIDE_INT to poly_int64.
> (mark_not_eliminable, init_elimination): Update accordingly.
> (remove_reg_equal_offset_note): Return a bool and pass the new
> offset back by pointer as a poly_int64.
> * lra-remat.c (change_sp_offset): Take sp_offset as a poly_int64
> rather than a HOST_WIDE_INT.
> (do_remat): Track offsets poly_int64s.
> * lra.c (lra_update_insn_recog_data, setup_sp_offset): Likewise.
OK.
jeff