Tx I added the discussion to
https://pharo.fogbugz.com/f/cases/20936/64bit-primitiveFailure-for-1-0-largeIdentityHash

Stef

On Sun, Jan 7, 2018 at 11:18 AM, Max Leske <maxle...@gmail.com> wrote:
> That seems to fix it. SmallFloat64 needs to implement #basicIdentityHash
> with primitive 171. Thanks Eliot.
>
>
>
> On 7 January 2018 at 06:19:18, Eliot Miranda (eliot.mira...@gmail.com)
> wrote:
>
> Hi Ben,
>
> On Sat, Jan 6, 2018 at 8:47 PM, Ben Coman <b...@openinworld.com> wrote:
>>
>> With Linux 64 bit image
>> TestRunner running FLBinaryFileStreamSerializationTest
>> produces error "PrimitiveFailed: primitive #basicIdentityHash in
>> SmallFloat64 failed"
>
>
> I suspect the SmallFloat64 basicIdentityHash method is missing or using the
> wrong primitive number.  Here's what happens in Squeak:
>
> 1.0 class -> 1.0 identityHash hex -> ((1.0 class whichClassIncludesSelector:
> #identityHash) >> #identityHash) primitive
> SmallFloat64->'16r7F0000000000000'->171
>
> And primitive 171 is the primitiveImmediateAsInteger primitive that converts
> SmallIntegers to themselves, Characters to their integer codes, and
> SmallFloat64 to an integer representing their bits.  e.g.
>
> #(-0.0 0.0 -1.0 1.0) collect: [:n| n -> n identityHash hex -> (n
> identityHash bitAnd: 2 << 64 - 1) hex]
> {-0.0->'-16r1000000000000000'->'16r1F000000000000000' .
>   0.0->'16r0'->'16r0' .
>  -1.0->'-16r810000000000000'->'16r1F7F0000000000000' .
>   1.0->'16r7F0000000000000'->'16r7F0000000000000'}
>
> SmallFloat64>>identityHash
> "Answer an integer unique to the receiver."
> <primitive: 171>
> ^self primitiveFailed
>
> HTH
>
>>
>> The same error occurs evaluating...
>>    1.0 largeIdentityHash
>> which works fine on 32-bit.
>>
>>
>> https://pharo.fogbugz.com/f/cases/20936/64bit-primitiveFailure-for-1-0-largeIdentityHash
>>
>> Build information:
>> Pharo-7.0+alpha.build.409.sha.bb4eaaf976e3fb148b33b6d87598022b77329768 (64
>> Bit)
>> CoInterpreter VMMaker.oscog-eem.2295  Dec 21 2017
>> StackToRegisterMappingCogit VMMaker.oscog-eem.2297 Dec 21 2017
>> VM: 201712211450
>> Unix built on Dec 21 2017 14:53:19 Compiler: 4.8.4
>>
>> cheers -ben
>
>
>
>
> --
> _,,,^..^,,,_
> best, Eliot

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