From: Richard Henderson <richard.henderson@linaro.org>
To: Jordan Niethe <jniethe5@gmail.com>
Cc: qemu-devel@nongnu.org, npiggin@gmail.com, qemu-ppc@nongnu.org
Subject: Re: [PATCH v2 7/7] tcg/ppc: Use prefixed instructions for tcg_out_goto_tb
Date: Tue, 8 Aug 2023 20:18:26 -0700 [thread overview]
Message-ID: <ed909911-c23a-3c3e-7f6e-92244a06ecf9@linaro.org> (raw)
In-Reply-To: <CACzsE9qw6QQLPT7uyE+x6LfqMUZo54+CixRZQs-AqP1KoCCMuw@mail.gmail.com>
On 8/8/23 19:56, Jordan Niethe wrote:
> On Tue, Aug 8, 2023 at 1:02 PM Richard Henderson
> <richard.henderson@linaro.org> wrote:
>>
>> When a direct branch is out of range, we can load the destination for
>> the indirect branch using PLA (for 16GB worth of buffer) and PLD from
>> the TranslationBlock for everything larger.
>>
>> This means the patch affects exactly one instruction: B (plus filler),
>> PLA or PLD. Which means we can update and execute the patch atomically.
>
> I think the commit message needs to be updated for Nick's changes.
Whoops, yes.
r~
next prev parent reply other threads:[~2023-08-09 3:19 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-08 3:02 [PATCH for-8.2 v2 0/7] tcg/ppc: Support power10 prefixed instructions Richard Henderson
2023-08-08 3:02 ` [PATCH v2 1/7] tcg/ppc: Untabify tcg-target.c.inc Richard Henderson
2023-08-09 8:55 ` Nicholas Piggin
2023-08-08 3:02 ` [PATCH v2 2/7] tcg/ppc: Use PADDI in tcg_out_movi Richard Henderson
2023-08-09 9:03 ` Nicholas Piggin
2023-08-08 3:02 ` [PATCH v2 3/7] tcg/ppc: Use prefixed instructions in tcg_out_mem_long Richard Henderson
2023-08-09 11:00 ` Nicholas Piggin
2023-08-08 3:02 ` [PATCH v2 4/7] tcg/ppc: Use PLD in tcg_out_movi for constant pool Richard Henderson
2023-08-09 11:20 ` Nicholas Piggin
2023-08-08 3:02 ` [PATCH v2 5/7] tcg/ppc: Use prefixed instructions in tcg_out_dupi_vec Richard Henderson
2023-08-08 3:02 ` [PATCH v2 6/7] tcg/ppc: Disable USE_REG_TB for Power v3.1 Richard Henderson
2023-08-09 11:21 ` Nicholas Piggin
2023-08-08 3:02 ` [PATCH v2 7/7] tcg/ppc: Use prefixed instructions for tcg_out_goto_tb Richard Henderson
2023-08-09 2:56 ` Jordan Niethe
2023-08-09 3:18 ` Richard Henderson [this message]
2023-08-09 11:24 ` Nicholas Piggin
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