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From: "Alex Bennée" <alex.bennee@linaro.org>
To: Richard Henderson <richard.henderson@linaro.org>
Cc: pbonzini@redhat.com, qemu-devel@nongnu.org
Subject: Re: [PATCH v2 5/7] exec: Restrict TARGET_PAGE_BITS_VARY assert to CONFIG_DEBUG_TCG
Date: Fri, 25 Oct 2019 15:44:06 +0100	[thread overview]
Message-ID: <87o8y4lwax.fsf@linaro.org> (raw)
In-Reply-To: <20191023154505.30521-6-richard.henderson@linaro.org>


Richard Henderson <richard.henderson@linaro.org> writes:

> This reduces the size of a release build by about 10k.
> Noticably, within the tlb miss helpers.
>
> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>

> ---
>  include/exec/cpu-all.h | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/include/exec/cpu-all.h b/include/exec/cpu-all.h
> index 76515dc8d9..d3e4660d50 100644
> --- a/include/exec/cpu-all.h
> +++ b/include/exec/cpu-all.h
> @@ -219,7 +219,11 @@ extern const TargetPageBits target_page;
>  #else
>  extern TargetPageBits target_page;
>  # endif
> -#define TARGET_PAGE_BITS (assert(target_page.decided), target_page.bits)
> +# ifdef CONFIG_DEBUG_TCG
> +#  define TARGET_PAGE_BITS (assert(target_page.decided), target_page.bits)
> +# else
> +#  define TARGET_PAGE_BITS target_page.bits
> +# endif
>  #else
>  #define TARGET_PAGE_BITS_MIN TARGET_PAGE_BITS
>  #endif


--
Alex Bennée


  reply	other threads:[~2019-10-25 15:50 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-23 15:44 [PATCH v2 0/7] exec: Improve code for TARGET_PAGE_BITS_VARY Richard Henderson
2019-10-23 15:44 ` [PATCH v2 1/7] cpu: use ROUND_UP() to define xxx_PAGE_ALIGN Richard Henderson
2019-10-24 11:52   ` Philippe Mathieu-Daudé
2019-10-24 12:04     ` Paolo Bonzini
2019-10-24 14:06       ` Richard Henderson
2019-10-24 14:14         ` Paolo Bonzini
2019-10-25 11:48           ` Richard Henderson
2019-10-23 15:45 ` [PATCH v2 2/7] exec: Split out variable page size support to exec-vary.c Richard Henderson
2019-10-25 14:02   ` Alex Bennée
2019-10-23 15:45 ` [PATCH v2 3/7] configure: Detect compiler support for __attribute__((alias)) Richard Henderson
2019-10-25 14:04   ` Alex Bennée
2019-11-08 16:01     ` Thomas Huth
2019-10-23 15:45 ` [PATCH v2 4/7] exec: Use const alias for TARGET_PAGE_BITS_VARY Richard Henderson
2019-10-25 14:28   ` Alex Bennée
2019-10-25 14:51   ` Peter Maydell
2019-10-25 20:43     ` Richard Henderson
2019-10-25 21:01       ` Peter Maydell
2019-10-25 21:16         ` Richard Henderson
2019-10-23 15:45 ` [PATCH v2 5/7] exec: Restrict TARGET_PAGE_BITS_VARY assert to CONFIG_DEBUG_TCG Richard Henderson
2019-10-25 14:44   ` Alex Bennée [this message]
2019-10-23 15:45 ` [PATCH v2 6/7] exec: Promote TARGET_PAGE_MASK to target_long Richard Henderson
2019-10-23 15:45 ` [PATCH v2 7/7] exec: Cache TARGET_PAGE_MASK for TARGET_PAGE_BITS_VARY Richard Henderson
2019-10-24  9:29 ` [PATCH v2 0/7] exec: Improve code " no-reply
2019-10-25 13:57 ` Alex Bennée

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