Re: [PATCH v4 34/57] tcg/sparc64: Use standard slow path for softmmu

[Peter Maydell]

On Wed, 3 May 2023 at 08:11, Richard Henderson
<richard.henderson@linaro.org> wrote:
>
> Drop the target-specific trampolines for the standard slow path.
> This lets us use tcg_out_helper_{ld,st}_args, and handles the new
> atomicity bits within MemOp.
>
> At the same time, use the full load/store helpers for user-only mode.
> Drop inline unaligned access support for user-only mode, as it does
> not handle atomicity.
>
> Use TCG_REG_T[1-3] in the tlb lookup, instead of TCG_REG_O[0-2].
> This allows the constraints to be simplified.
>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
>  tcg/sparc64/tcg-target-con-set.h |   2 -
>  tcg/sparc64/tcg-target-con-str.h |   1 -
>  tcg/sparc64/tcg-target.h         |   1 +
>  tcg/sparc64/tcg-target.c.inc     | 610 +++++++++----------------------
>  4 files changed, 182 insertions(+), 432 deletions(-)

This is a pretty big patch, and git diff hasn't done it any
favours either. Perhaps I'll have more stamina for it in v5,
or maybe somebody else will look at it...

-- PMM