From: Jeff Law <jeffreyalaw@gmail.com>
To: juzhe.zhong@rivai.ai, gcc-patches@gcc.gnu.org
Cc: kito.cheng@gmail.com, kito.cheng@sifive.com, palmer@dabbelt.com,
palmer@rivosinc.com, rdapp.gcc@gmail.com
Subject: Re: [PATCH V2] RISC-V: Support RVV permutation auto-vectorization
Date: Thu, 1 Jun 2023 12:48:37 -0600 [thread overview]
Message-ID: <b79ec934-540f-6ca8-d13f-e854a1632afa@gmail.com> (raw)
In-Reply-To: <20230601023615.89715-1-juzhe.zhong@rivai.ai>
On 5/31/23 20:36, juzhe.zhong@rivai.ai wrote:
> From: Juzhe-Zhong <juzhe.zhong@rivai.ai>
>
> This patch supports vector permutation for VLS only by vec_perm pattern.
> We will support TARGET_VECTORIZE_VEC_PERM_CONST to support VLA permutation
> in the future.
>
> Fixed following comments from Robin.
> Ok for trunk?
>
> gcc/ChangeLog:
>
> * config/riscv/autovec.md (vec_perm<mode>): New pattern.
> * config/riscv/predicates.md (vector_perm_operand): New predicate.
> * config/riscv/riscv-protos.h (enum insn_type): New enum.
> (expand_vec_perm): New function.
> * config/riscv/riscv-v.cc (const_vec_all_in_range_p): Ditto.
> (gen_const_vector_dup): Ditto.
> (emit_vlmax_gather_insn): Ditto.
> (emit_vlmax_masked_gather_mu_insn): Ditto.
> (expand_vec_perm): Ditto.
OK.
jeff
next prev parent reply other threads:[~2023-06-01 18:48 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-01 2:36 juzhe.zhong
2023-06-01 18:48 ` Jeff Law [this message]
2023-06-02 1:03 ` Li, Pan2
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