[Vm-dev] Re: [squeak-dev] [Pharo-dev] New Cog VMs available

[Douglas McPherson]

> On Mar 12, 2015, at 00:59, Douglas McPherson <djm1329 at san.rr.com> wrote:
> 
> I’ve also updated ARMv7 v3 and spur stack VMs.
> 
> Note:
> I built the v3 and spur VMs on my new RPi2, which has a quad-core ARMv7. As Tim has already pointed out, these work even when building with FAST_BITBLT enhancements enabled. The cool thing is they also work on the BeagleBone Black ARMv7 (but building on the BBB with FAST_BITBLT enabled resulted in a segfault at image startup .. no idea why). And they appear to work on the older ARMv6 RPi too, so I’ll suspend building the v6 versions unless they’re needed. I haven’t tested on the Parallella yet.
> 

The new ARMv7 builds are also confirmed to work on Parallella. 


> Doug
> 
>> On Mar 11, 2015, at 22:41, Eliot Miranda <eliot.miranda at gmail.com <mailto:eliot.miranda at gmail.com>> wrote:
>> 
>> ...in http://www.mirandabanda.org/files/Cog/VM/VM.r3268/ <http://www.mirandabanda.org/files/Cog/VM/VM.r3268/>
>> 
>> CogVM binaries as per VMMaker.oscog-eem.1088/r3268
>> 
>> Squeak 5.0 release candidate.
>> 
>> Speed up normalize methods in LargeIntegersPlugin
>> by cacheing result of firstIndexableField.
>> 
>> Simplify integer conversion routines by adding byteSizeOfBytes: which assumes
>> argument is byte indexable (as LargeIntegers are).  Make sure integer conversion
>> routines consistently answer 0 on failure.  Use 4-byte access where possible.
>> 
>> Remove use of popInteger in AsFloat and integer comparison primitives (popStack
>> idiom is inefficient since multiplke writes as opposed to the single write in
>> the pop:thenPush: idiom).
>> 
>> Revise SpurMemoryManager>>isClassOfNonImm:equalTo:compactClassIndex: for
>> better dead code elimination.
>> -- 
>> best,
>> Eliot
> 
> 

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