Hi Austin,
Yes, I am using marvell's processor and thank you for your suggestion.
I will if caused by cortex-a8.
B.R
Paul
-----Original Message-----
From: Zhang, Austin [mailto:[email protected]]
Sent: 2010年12月8日 10:15
To: Paul Li; Kok, Auke-jan H
Cc: [email protected]; Lea Li
Subject: RE: [MeeGo-dev] fennec(Illegal instruction) issue on MeeGo
What's your specific processor? it seemed marvell's dove only support vfpv3-d16
in hardware, so it doesn't seem right to tune the generated instructions by
cortex a8.
You can run other app compiled with mtune=cortex-a8 didn't mean this option is
right to use at your platform, that only means that runable app didn't use
instruction which will use additional 16 register in cortex-a8 arch.
As thiago mentioned, you can also check those generated codes in your platform
to see any hints.
-----Original Message-----
From: [email protected] [mailto:[email protected]] On
Behalf Of Paul Li
Sent: Wednesday, December 08, 2010 9:41 AM
To: Kok, Auke-jan H
Cc: [email protected]; Lea Li
Subject: Re: [MeeGo-dev] fennec(Illegal instruction) issue on MeeGo
Hi Auke,
Thank you so much for your suggestion, but I am sure these parameters
are supported by our processor, because I have compiled others apps and can be
run on our processor using the same compiling parameters. Any other reason?
Best Regards
Paul
-----Original Message-----
From: Auke Kok [mailto:[email protected]]
Sent: 2010年12月8日 4:38
To: Paul Li
Cc: [email protected]
Subject: Re: [MeeGo-dev] fennec(Illegal instruction) issue on MeeGo
On 12/07/10 01:25, Paul Li wrote:
> Hi All,
> I met an issue with fennec on MeeGo, I recompiled this app with
> ‘-march=armv7-a -mtune=cortex-a8 -mlittle-endian -mfpu=vfpv3-d16
> -mfloat-abi=softfp’ and ‘-march=armv7-a -mtune=cortex-a8 -mlittle-endian
> -mfpu=vfpv3-d16 -mfloat-abi=soft’. Both of them met the following issue:
> Program received signal SIGILL, Illegal instruction.
> 0x0000a144 in __aeabi_d2lz ()
>
> Could anyone give me some suggestions? Thank you. :)
you broke it.
"illegal instruction" means that you instructed the compiler to generate
processor instructions that are invalid for your processor type.
Auke
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