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Re: [PATCH] tcg: Increase the static number of temporaries
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From: |
Richard Henderson |
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Subject: |
Re: [PATCH] tcg: Increase the static number of temporaries |
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Date: |
Sat, 23 Jan 2021 12:18:49 -1000 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 |
On 1/23/21 9:36 AM, Laurent Vivier wrote:
>>> -#define TCG_MAX_TEMPS 512
>>> +#define TCG_MAX_TEMPS 1024
>>
>> This seems not enough, I have:
>>
>> ERROR:.../tcg/tcg.c:1210:tcg_temp_alloc: assertion failed: (n <
>> TCG_MAX_TEMPS)
>> Bail out! ERROR:.../tcg/tcg.c:1210:tcg_temp_alloc: assertion failed: (n <
>> TCG_MAX_TEMPS)
>>
>> With my branch m68k-virt (68040 processor with virtio-mmio devices) booting
>> debian sid.
>
> The cause of the overflow is this sequence:
Thanks for the test case. I was able to reproduce this with m68k-linux-user.
This TB uses 1063 separate constants. :-/
r~