From: "Alex Bennée" <alex.bennee@linaro.org>
To: Richard Henderson <richard.henderson@linaro.org>
Cc: qemu-devel@nongnu.org
Subject: Re: [PATCH] softfloat: Mark base int-to-float routines QEMU_FLATTEN
Date: Mon, 19 Oct 2020 11:04:26 +0100 [thread overview]
Message-ID: <87v9f6wmz9.fsf@linaro.org> (raw)
In-Reply-To: <20201018203334.1229243-1-richard.henderson@linaro.org>
Richard Henderson <richard.henderson@linaro.org> writes:
> This merges the int_to_float routine and the round_pack_canonical
> routine into the same function, allowing the FloatParts structure
> to be decomposed by the compiler.
>
> This results in a 60-75% speedup of the flattened function.
>
> Leave the narrower integer inputs to tail-call the int64_t version.
>
> Buglink: https://bugs.launchpad.net/qemu/+bug/1892081
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
--
Alex Bennée
prev parent reply other threads:[~2020-10-19 10:05 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-18 20:33 [PATCH] softfloat: Mark base int-to-float routines QEMU_FLATTEN Richard Henderson
2020-10-18 20:40 ` no-reply
2020-10-19 8:10 ` Philippe Mathieu-Daudé
2020-10-19 10:04 ` Alex Bennée [this message]
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