[M3devel] aligned_procedures: suggest "closure_marker_size"

[Tony Hosking]

Sorry.  Just realised this is deeply embedded in the Target files.


On 27 Jan 2010, at 10:57, Tony Hosking wrote:

> If we declare it as a 32-bit subrange it should just work, right?
> 
> Antony Hosking | Associate Professor | Computer Science | Purdue University
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> 
> 
> 
> On 27 Jan 2010, at 09:01, Jay K wrote:
> 
>> MIPS64, SPARC64 and maybe others could probably all benefit slightly from
>>   the closure marker being a 4 byte -1 instead of an INTEGER.
>>  
>>  
>>  That is: 64bit architectures with a fixed size 4 byte instruction where alignment is checked
>> 
>>  
>>  That is, we should probably make their be a per-target variable "closure marker size"
>>   that is 4 for all current targets (IA64 should probably be 16 though),
>>   though one would have to look into the various instruction encodings.
>> 
>> 
>>  - Jay
> 

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