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Re: [Qemu-devel] qemu hw/mips_r4k.c target-mips/cpu.h target-mip...


From: Thiemo Seufer
Subject: Re: [Qemu-devel] qemu hw/mips_r4k.c target-mips/cpu.h target-mip...
Date: Thu, 21 Dec 2006 12:45:56 +0000
User-agent: Mutt/1.5.13 (2006-08-11)

Thiemo Seufer wrote:
> Fabrice Bellard wrote:
> > You should suppress the SIGN_EXTEND32() macro and just use an 'int32_t' 
> > cast...
> 
> Then it may not work. A MIPS64 CPU requires properly sign-extended
> 32bit values. Host architectures can define either sign- or zero-
> Extension for 32bit values in 64bit Registers.

Which makes no sense on a seond thought, as we support only 2-complement
machines anyway. I'll try to get rid of the SIGN_EXTEND32.


Thiemo




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