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From: Peter Maydell <peter.maydell@linaro.org>
To: Richard Henderson <richard.henderson@linaro.org>
Cc: qemu-devel@nongnu.org
Subject: Re: [PATCH v2 3/9] accel/tcg: Support TCG_TARGET_SIGNED_ADDR32 for softmmu
Date: Thu, 3 Mar 2022 15:14:49 +0000	[thread overview]
Message-ID: <CAFEAcA-rjPp9uKgMcDDTn4Y09nV2bZLHvMjNLc9jV6NYeum+Fg@mail.gmail.com> (raw)
In-Reply-To: <20220227020413.11741-4-richard.henderson@linaro.org>

On Sun, 27 Feb 2022 at 02:08, Richard Henderson
<richard.henderson@linaro.org> wrote:
>
> When TCG_TARGET_SIGNED_ADDR32 is set, adjust the tlb addend to
> allow the 32-bit guest address to be sign extended within the
> 64-bit host register instead of zero extended.
>
> This will simplify tcg hosts like MIPS, RISC-V, and LoongArch,
> which naturally sign-extend 32-bit values, in contrast to x86_64
> and AArch64 which zero-extend them.
>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>

thanks
-- PMM


  parent reply	other threads:[~2022-03-03 15:22 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-02-27  2:04 [PATCH v2 0/9] tcg: support 32-bit guest addresses as signed Richard Henderson
2022-02-27  2:04 ` [PATCH v2 1/9] tcg: Add TCG_TARGET_SIGNED_ADDR32 Richard Henderson
2022-02-27  2:04 ` [PATCH v2 2/9] accel/tcg: Split out g2h_tlbe Richard Henderson
2022-02-27  2:04 ` [PATCH v2 3/9] accel/tcg: Support TCG_TARGET_SIGNED_ADDR32 for softmmu Richard Henderson
2022-02-27 22:32   ` Philippe Mathieu-Daudé
2022-03-03 15:14   ` Peter Maydell [this message]
2022-02-27  2:04 ` [PATCH v2 4/9] accel/tcg: Add guest_base_signed_addr32 for user-only Richard Henderson
2022-03-03 15:14   ` Peter Maydell
2022-02-27  2:04 ` [PATCH v2 5/9] linux-user: Support TCG_TARGET_SIGNED_ADDR32 Richard Henderson
2022-02-27 22:48   ` Philippe Mathieu-Daudé
2022-02-27  2:04 ` [PATCH v2 6/9] tcg/aarch64: " Richard Henderson
2022-03-03 15:04   ` Peter Maydell
2022-03-03 15:43     ` Richard Henderson
2022-03-03 16:19       ` Peter Maydell
2022-02-27  2:04 ` [PATCH v2 7/9] tcg/mips: " Richard Henderson
2022-02-27 22:51   ` Philippe Mathieu-Daudé
2022-02-27  2:04 ` [PATCH v2 8/9] tcg/riscv: " Richard Henderson
2022-02-27  2:04 ` [PATCH v2 9/9] tcg/loongarch64: " Richard Henderson
2022-02-27 22:52   ` Philippe Mathieu-Daudé

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