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Re: [Qemu-devel] Bug in PPC TCG for rlwimi ?
From: |
Tom Musta |
Subject: |
Re: [Qemu-devel] Bug in PPC TCG for rlwimi ? |
Date: |
Tue, 13 May 2014 16:59:14 -0500 |
User-agent: |
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 |
On 5/13/2014 4:40 PM, Richard Henderson wrote:
> On 05/13/2014 02:32 PM, Tom Musta wrote:
>> Here is the -d op output. What does the "mov_i32 tmp0,r4" op mean
>> when r4 is an i64?
>
> It's supposed to be the truncate.
>
> I believe I know what's going on. I've introduced this bug yesterday, of
> course. Thomas Huth bisected a problem with an s390 host, and I strongly
> suspect that it's the same bug. (I haven't been able to reserve an s390 build
> system today to verify.)
>
> Try the tree prior to af3cbfbe8018ccc16fb3a0048e928f66f0d05e87 and see
> if things work.
>
> Ho hum. Patch coming soon.
>
>
> r~
>
Yes ... that worked ... sort of.
I had to back up prior to this:
fdd8ec71847b5167a4be524c2d22d186fc3b6e3a is the first bad commit
to get to a point that built.
Thanks, Peter and Richard for the help.