Re: [Qemu-devel] TCG debugging improvements

[Aurelien Jarno <aurelien@aurel32.net>]

Blue Swirl a écrit :
> On 11/17/08, Paul Brook <paul@codesourcery.com> wrote:
>> I'd just applied changes that enforce type size checking for TCG variables
>>  when DEBUG_TCGV is defined. This should help avoid subtle bugs due to
>>  64/32-bit mismatches.
>>
>>  I fixed a few bugs in the process, but it's mostly mechanical changes.  TCGv
>>  is target_ulong sized, so the majority of code remains unchanged.  Explicit
>>  sizes are typically only required when working with different sized ops, or
>>  floating point.
>>
>>  One of the main side-effects of this is that helper functions now need to be
>>  declared properly.  Previously we sort-of did this, but not consistently
>>  enough to enforce types.  With the exception of the SSE/MMX ops (which are
>>  table driven and use messy typecasts) we should be able to detect
>>  inconsistencies between the code generator and the helper function
>>  implementations.
>>
>>  There should be no functional changes.  I've tested what I can, but please
>>  test your favourite host/target.
> 
> PPC is broken. This used to print something, now it doesn't:
> ./qemu-system-ppc -L ./pc-bios/ -hda /dev/null
> 

That should be fixed in the SVN.

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