Eliot Miranda uploaded a new version of VMMaker to project VM Maker: http://source.squeak.org/VMMaker/VMMaker.oscog-eem.2965.mcz
==================== Summary ====================
Name: VMMaker.oscog-eem.2965 Author: eem Time: 27 May 2021, 8:19:40.639111 pm UUID: 1856cb21-d33c-4bb0-a610-2379ae8ffa4f Ancestors: VMMaker.oscog-eem.2964
Make stSizeOf: easier to optimize. Correct the comment for SpurMemoryManager>>slotSizeOf:.
=============== Diff against VMMaker.oscog-eem.2964 ===============
Item was changed: ----- Method: SpurMemoryManager>>slotSizeOf: (in category 'object access') ----- slotSizeOf: oop "*DO NOT CONFUSE THIS WITH numSlotsOf:. This is an ObjectMemory compatibility method with questionable semantics. Answers the number of slots in the receiver. If the receiver is a byte object, return the number of bytes. + If the receiver is a short object, return the number of shorts. + If the receiver is a word object, return the number of words. + If the receiver is a double word object, return the number of double words. + Otherwise return the number of pointers." - Otherwise return the number of words." (self isImmediate: oop) ifTrue: [^0]. ^self lengthOf: oop!
Item was changed: ----- Method: StackInterpreter>>stSizeOf: (in category 'indexing primitive support') ----- stSizeOf: oop + "Answer the number of indexable fields in the given object. (i.e., what Smalltalk would return for <obj> size)." + "Note: Assume oop is not an immediate!!" - "Return the number of indexable fields in the given object. (i.e., what Smalltalk would return for <obj> size)." - "Note: Assume oop is not a SmallInteger!!"
| hdr fmt totalLength fixedFields | <inline: false> hdr := objectMemory baseHeader: oop. fmt := objectMemory formatOfHeader: hdr. totalLength := objectMemory lengthOf: oop baseHeader: hdr format: fmt. + (objectMemory isPureBitsFormat: fmt) ifTrue: + [^totalLength]. fixedFields := objectMemory fixedFieldsOf: oop format: fmt length: totalLength. fmt = objectMemory indexablePointersFormat ifTrue: [self assert: (objectMemory isContextHeader: hdr) not]. ^totalLength - fixedFields!
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