From: Richard Henderson <richard.henderson@linaro.org>
To: Laurent Vivier <laurent@vivier.eu>, qemu-devel@nongnu.org
Subject: Re: [PATCH] target/m68k: implement opcode fetoxm1
Date: Mon, 1 Jun 2020 15:18:21 -0700 [thread overview]
Message-ID: <968951a6-0f27-9cce-8a06-75b5be3a2ad9@linaro.org> (raw)
In-Reply-To: <20200531131951.631902-1-laurent@vivier.eu>
On 5/31/20 6:19 AM, Laurent Vivier wrote:
> Example provided in the launchpad bug fails with:
>
> qemu: uncaught target signal 4 (Illegal instruction) - core dumped
> Illegal instruction (core dumped)
>
> It appears fetoxm1 is not implemented:
>
> IN: expm1f
> 0x800005cc: fetoxm1x %fp2,%fp0
> Disassembler disagrees with translator over instruction decoding
> Please report this to qemu-devel@nongnu.org
>
> (gdb) x/2hx 0x800005cc
> 0x800005cc: 0xf200 0x0808
>
> This patch adds the instruction.
>
> Bug: https://bugs.launchpad.net/qemu/+bug/1881450
> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
> ---
> target/m68k/helper.h | 1 +
> target/m68k/fpu_helper.c | 5 +++++
> target/m68k/translate.c | 3 +++
> 3 files changed, 9 insertions(+)
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
r~
prev parent reply other threads:[~2020-06-01 22:19 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-31 13:19 [PATCH] target/m68k: implement opcode fetoxm1 Laurent Vivier
2020-06-01 22:18 ` Richard Henderson [this message]
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