[Vm-dev] VM Maker: BytecodeSets.spur-cb.63.mcz

[commits at source.squeak.org]

ClementBera uploaded a new version of BytecodeSets to project VM Maker:
http://source.squeak.org/VMMaker/BytecodeSets.spur-cb.63.mcz

==================== Summary ====================

Name: BytecodeSets.spur-cb.63
Author: cb
Time: 17 January 2017, 2:03:45.537598 pm
UUID: a8ae9a8c-7784-474a-a431-fa97ce58cb14
Ancestors: BytecodeSets.spur-cb.62

Updated SistaV1 encoder for MethodMassage support.

=============== Diff against BytecodeSets.spur-cb.62 ===============

Item was added:
+ ----- Method: EncoderForSistaV1>>genBranchIfInstanceOf:distance: (in category 'extended bytecode generation') -----
+ genBranchIfInstanceOf: literalIndex distance: distance
+ 	self genBranchIfInstanceOf: literalIndex distance: distance orNot: false!

Item was added:
+ ----- Method: EncoderForSistaV1>>genBranchIfInstanceOf:distance:orNot: (in category 'extended bytecode generation') -----
+ genBranchIfInstanceOf: literalIndex distance: distance orNot: orNot
+ 	"254		11111110	kkkkkkkk	jjjjjjjj		branch If Not Instance Of Behavior/Array Of Behavior kkkkkkkk (+ Extend A * 256, where Extend A >= 0) distance jjjjjjjj (+ Extend B * 256, where Extend B >= 0)"
+ 							
+ 	| extendedIndex extendedDistance |
+ 	(literalIndex < 0 or: [literalIndex > 65535]) ifTrue:
+ 		[^self outOfRangeError: 'index' index: literalIndex range: 0 to: 65536].
+ 	(distance < 1 or: [distance > 32767]) ifTrue: 
+ 		[^self outOfRangeError: 'distance' index: distance range: 0 to: 32767].
+ 	(extendedIndex := literalIndex) > 255 ifTrue:
+ 		[self genUnsignedSingleExtendA: extendedIndex // 256.
+ 		 extendedIndex := extendedIndex \\ 256].
+ 	(orNot not or: [(extendedDistance := distance) > 255]) ifTrue:
+ 		[self genUnsignedSingleExtendB: (distance bitShift: -8) + (orNot not asBit  * 128).
+ 		extendedDistance := distance bitAnd: 255].
+ 	
+ 	stream
+ 		nextPut: 254;
+ 		nextPut: extendedIndex;
+ 		nextPut: extendedDistance!

Item was changed:
  ----- Method: EncoderForSistaV1>>genBranchIfNotInstanceOf:distance: (in category 'extended bytecode generation') -----
  genBranchIfNotInstanceOf: literalIndex distance: distance
+ 	self genBranchIfInstanceOf: literalIndex distance: distance orNot: true!
- 	"254		11111110	kkkkkkkk	jjjjjjjj		branch If Not Instance Of Behavior/Array Of Behavior kkkkkkkk (+ Extend A * 256, where Extend A >= 0) distance jjjjjjjj (+ Extend B * 256, where Extend B >= 0)"
- 							
- 	| extendedIndex extendedDistance |
- 	(literalIndex < 0 or: [literalIndex > 65535]) ifTrue:
- 		[^self outOfRangeError: 'index' index: literalIndex range: 0 to: 65536].
- 	(distance < 1 or: [distance > 32767]) ifTrue:
- 		[^self outOfRangeError: 'distance' index: distance range: 0 to: 32767].
- 	(extendedIndex := literalIndex) > 255 ifTrue:
- 		[self genUnsignedSingleExtendA: extendedIndex // 256.
- 		 extendedIndex := extendedIndex \\ 256].
- 	(extendedDistance := distance) > 255 ifTrue:
- 		[self genUnsignedSingleExtendB: (distance bitShift: -8).
- 		extendedDistance := distance bitAnd: 255].
- 	
- 	stream
- 		nextPut: 254;
- 		nextPut: extendedIndex;
- 		nextPut: extendedDistance!