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Re: [Qemu-arm] [PATCH] tcg/aarch64: limit mul_vec size
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From: |
Richard Henderson |
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Subject: |
Re: [Qemu-arm] [PATCH] tcg/aarch64: limit mul_vec size |
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Date: |
Thu, 19 Jul 2018 09:16:40 -0700 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.8.0 |
On 07/19/2018 08:42 AM, Alex Bennée wrote:
> In AdvSIMD we can only do 32x32 integer multiples although SVE is
> capable of larger 64 bit multiples. As a result we can end up
> generating invalid opcodes. Fix this by only reprting we can emit mul
> vector ops if the size is small enough.
>
> Fixes a crash on:
>
> address@hidden/insn_mul_z_zi___INC.risu.bin
>
> When running on AArch64 hardware.
>
> Signed-off-by: Alex Bennée <address@hidden>
> ---
> tcg/aarch64/tcg-target.inc.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
Queued. Thanks,
r~