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From: "Alex Bennée" <alex.bennee@linaro.org>
To: Shivaprasad G Bhat <sbhat@linux.ibm.com>
Cc: philmd@linaro.org, richard.henderson@linaro.org,
	danielhb413@gmail.com, lucas.araujo@eldorado.org.br,
	clg@kaod.org, david@gibson.dropbear.id.au, groug@kaod.org,
	qemu-ppc@nongnu.org, john_platts@hotmail.com,
	qemu-devel@nongnu.org
Subject: Re: [PATCH 1/2] tcg: ppc64: Fix mask generation for vextractdm
Date: Tue, 02 May 2023 10:03:32 +0100	[thread overview]
Message-ID: <87cz3jt89i.fsf@linaro.org> (raw)
In-Reply-To: <168141245022.3026479.1619179446205380588.stgit@ltc-boston1.aus.stglabs.ibm.com>


Shivaprasad G Bhat <sbhat@linux.ibm.com> writes:

> In function do_extractm() the mask is calculated as
> dup_const(1 << (element_width - 1)). '1' being signed int
> works fine for MO_8,16,32. For MO_64, on PPC64 host
> this ends up becoming 0 on compilation. The vextractdm
> uses MO_64, and it ends up having mask as 0.
>
> Explicitly use 1ULL instead of signed int 1 like its
> used everywhere else.
>
> Signed-off-by: Shivaprasad G Bhat <sbhat@linux.ibm.com>

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

-- 
Alex Bennée
Virtualisation Tech Lead @ Linaro


  reply	other threads:[~2023-05-02  9:04 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-04-13 19:00 [PATCH 0/2] tcg: ppc64: Fix mask generation for vextractdm Shivaprasad G Bhat
2023-04-13 19:01 ` [PATCH 1/2] " Shivaprasad G Bhat
2023-05-02  9:03   ` Alex Bennée [this message]
2023-05-02 10:50   ` Richard Henderson
2023-05-02 14:02   ` Lucas Mateus Martins Araujo e Castro
2023-04-13 19:01 ` [PATCH 2/2] tests: tcg: ppc64: Add tests for Vector Extract Mask Instructions Shivaprasad G Bhat
2023-05-02  7:05   ` Cédric Le Goater
2023-05-04  5:17     ` Shivaprasad G Bhat
2023-05-02 15:05   ` Lucas Mateus Martins Araujo e Castro
2023-05-03 14:31 ` [PATCH 0/2] tcg: ppc64: Fix mask generation for vextractdm Daniel Henrique Barboza

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