From: Richard Sandiford <richard.sandiford@arm.com>
To: Robin Dapp <rdapp@linux.ibm.com>
Cc: "Kewen.Lin" <linkw@linux.ibm.com>,
GCC Patches <gcc-patches@gcc.gnu.org>
Subject: Re: [PATCH] vect: Add bias parameter for partial vectorization
Date: Mon, 10 Jan 2022 14:21:44 +0000 [thread overview]
Message-ID: <mpth7abwu13.fsf@arm.com> (raw)
In-Reply-To: <eeecce06-768d-de06-37c1-43ad30a12782@linux.ibm.com> (Robin Dapp's message of "Mon, 10 Jan 2022 13:53:22 +0100")
Robin Dapp <rdapp@linux.ibm.com> writes:
> Hi Richard,
>
>> I think it would be better to fold this into the existing documentation
>> a bit more:
> [..]
>
> done.
>
> Fixed the remaining nits in the attached v5.
>
> Bootstrap and regtest are good on s390x, Power9 and i386.
>
> Regards
> Robin
>
> --
>
> gcc/ChangeLog:
>
> * config/rs6000/vsx.md: Use const0 bias predicate.
> * doc/md.texi: Document bias value.
> * internal-fn.c (expand_partial_load_optab_fn): Add bias.
> (expand_partial_store_optab_fn): Likewise.
> (internal_len_load_store_bias): New function.
> * internal-fn.h (VECT_PARTIAL_BIAS_UNSUPPORTED): New define.
> (internal_len_load_store_bias): New function.
> * tree-vect-loop-manip.c (vect_set_loop_controls_directly): Set
> bias.
> (vect_set_loop_condition_partial_vectors): Add header_seq parameter.
> * tree-vect-loop.c (vect_verify_loop_lens): Verify bias.
> (vect_estimate_min_profitable_iters): Account for bias.
> (vect_get_loop_len): Add bias-adjusted length.
> * tree-vect-stmts.c (vectorizable_store): Use.
> (vectorizable_load): Use.
> * tree-vectorizer.h (struct rgroup_controls): Add bias-adjusted
> length.
> (LOOP_VINFO_PARTIAL_LOAD_STORE_BIAS): New macro.
OK, thanks!
Richard
prev parent reply other threads:[~2022-01-10 14:21 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-28 14:44 Robin Dapp
2021-10-29 3:10 ` Kewen.Lin
2021-10-29 7:46 ` Richard Sandiford
2021-11-02 20:16 ` Robin Dapp
2021-11-04 3:59 ` Kewen.Lin
2021-11-12 9:56 ` Robin Dapp
2021-11-22 6:55 ` Kewen.Lin
2021-12-07 11:52 ` Robin Dapp
2021-12-10 19:21 ` Richard Sandiford
2021-12-13 18:51 ` Robin Dapp
2021-12-14 11:47 ` Richard Sandiford
2022-01-10 12:53 ` Robin Dapp
2022-01-10 14:21 ` Richard Sandiford [this message]
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