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From: Richard Henderson <richard.henderson@linaro.org>
To: Max Chou <max.chou@sifive.com>,
	qemu-devel@nongnu.org, qemu-riscv@nongnu.org
Cc: dbarboza@ventanamicro.com, Palmer Dabbelt <palmer@dabbelt.com>,
	Alistair Francis <alistair.francis@wdc.com>,
	Bin Meng <bmeng.cn@gmail.com>, Weiwei Li <liwei1518@gmail.com>,
	Liu Zhiwei <zhiwei_liu@linux.alibaba.com>
Subject: Re: [RFC PATCH v2 5/6] target/riscv: rvv: Optimize v[l|s]e8.v with limitations
Date: Mon, 3 Jun 2024 19:58:38 -0500	[thread overview]
Message-ID: <aa04be33-02fe-4f80-84b7-fd463bf150a4@linaro.org> (raw)
In-Reply-To: <595c3be7-7a33-4812-a80c-975b2eaaf5a6@sifive.com>

On 6/3/24 10:50, Max Chou wrote:
> Hi Richart,
> 
> Thank you for your feedback.
> This version is created by referencing the gen_sve_ldr translation function with the 
> similar assumptions that no mask(predication)/no tail agnostic/continuous load & store.

Except that gen_sve_ldr has a compile-time constant for the vector length, which is always 
a multiple of 16, and so has no extra special cases like you needed.


r~


  reply	other threads:[~2024-06-04  0:59 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-31 17:44 [RFC PATCH v2 0/6] Improve the performance of RISC-V vector unit-stride/whole register ld/st instructions Max Chou
2024-05-31 17:44 ` [RFC PATCH v2 1/6] target/riscv: Separate vector segment " Max Chou
2024-05-31 17:44 ` [RFC PATCH v2 2/6] accel/tcg: Avoid unnecessary call overhead from qemu_plugin_vcpu_mem_cb Max Chou
2024-05-31 17:44 ` [RFC PATCH v2 3/6] target/riscv: Inline vext_ldst_us and corresponding function for performance Max Chou
2024-05-31 17:44 ` [RFC PATCH v2 4/6] target/riscv: Add check_probe_[read|write] helper functions Max Chou
2024-05-31 17:44 ` [RFC PATCH v2 5/6] target/riscv: rvv: Optimize v[l|s]e8.v with limitations Max Chou
2024-06-02 17:45   ` Richard Henderson
2024-06-03 15:50     ` Max Chou
2024-06-04  0:58       ` Richard Henderson [this message]
2024-05-31 17:44 ` [RFC PATCH v2 6/6] target/riscv: rvv: Optimize vl8re8.v/vs8r.v " Max Chou

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