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From: Richard Henderson <richard.henderson@linaro.org>
To: "Lucas Mateus Castro(alqotel)" <lucas.araujo@eldorado.org.br>,
	qemu-ppc@nongnu.org, qemu-devel@nongnu.org
Cc: danielhb413@gmail.com
Subject: Re: [PATCH 0/2] Floating-point OE/UE exception bug
Date: Fri, 5 Aug 2022 10:06:36 -0700	[thread overview]
Message-ID: <bfd4fb71-f2f5-a358-2fea-c4c4dee5328d@linaro.org> (raw)
In-Reply-To: <20220805141522.412864-1-lucas.araujo@eldorado.org.br>

On 8/5/22 07:15, Lucas Mateus Castro(alqotel) wrote:
> Currently there's no test in this patch series as there's no way to
> disable MSR.FE0 and MSR.FE1 in linux user, so any overflow/underflow
> exception with OE/UE set causes a trapping exception.

You could check the value in the fp register in the signal handler.  The exception is 
supposed to occur after the register writeback.


r~


  parent reply	other threads:[~2022-08-05 17:10 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-08-05 14:15 [PATCH 0/2] Floating-point OE/UE exception bug Lucas Mateus Castro(alqotel)
2022-08-05 14:15 ` [PATCH 1/2] fpu: Add rebias bool, value and operation Lucas Mateus Castro(alqotel)
2022-08-05 17:13   ` Richard Henderson
2022-08-05 14:15 ` [PATCH 2/2] target/ppc: Bugfix FP when OE/UE are set Lucas Mateus Castro(alqotel)
2022-08-05 17:17   ` Richard Henderson
2022-08-05 17:26     ` Daniel Henrique Barboza
2022-08-05 16:20 ` [PATCH 0/2] Floating-point OE/UE exception bug Alex Bennée
2022-08-05 17:00   ` Lucas Mateus Martins Araujo e Castro
2022-08-05 17:02 ` Lucas Mateus Martins Araujo e Castro
2022-08-05 17:06 ` Richard Henderson [this message]
2022-08-05 17:27 ` Daniel Henrique Barboza

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