From: Richard Henderson <richard.henderson@linaro.org>
To: Qi Hu <huqi@loongson.cn>, WANG Xuerui <git@xen0n.name>
Cc: qemu-devel@nongnu.org
Subject: Re: [PATCH v3] tcg/loongarch64: Add direct jump support
Date: Fri, 14 Oct 2022 21:20:33 +1100 [thread overview]
Message-ID: <26bbfbca-4233-ff30-910a-d5080f979c51@linaro.org> (raw)
In-Reply-To: <20221014034020.1167864-1-huqi@loongson.cn>
On 10/14/22 14:40, Qi Hu wrote:
> Similar to the ARM64, LoongArch has PC-relative instructions such as
> PCADDU18I. These instructions can be used to support direct jump for
> LoongArch. Additionally, if instruction "B offset" can cover the target
> address(target is within ±128MB range), a single "B offset" plus a nop
> will be used by "tb_target_set_jump_target".
>
> Signed-off-by: Qi Hu<huqi@loongson.cn>
> ---
> tcg/loongarch64/tcg-target.c.inc | 56 +++++++++++++++++++++++++++++---
> tcg/loongarch64/tcg-target.h | 5 ++-
> 2 files changed, 53 insertions(+), 8 deletions(-)
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
r~
next prev parent reply other threads:[~2022-10-14 10:22 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-14 3:40 [PATCH v3] tcg/loongarch64: Add direct jump support Qi Hu
2022-10-14 10:20 ` Richard Henderson [this message]
2022-10-15 3:25 ` WANG Xuerui
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