[Vm-dev] VM Maker: VMMaker.oscog-cb.1931.mcz

[commits at source.squeak.org]

ClementBera uploaded a new version of VMMaker to project VM Maker:
http://source.squeak.org/VMMaker/VMMaker.oscog-cb.1931.mcz

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

Name: VMMaker.oscog-cb.1931
Author: cb
Time: 1 September 2016, 6:27:59.493903 pm
UUID: 48d66455-0094-45bf-9cc9-a55015674de7
Ancestors: VMMaker.oscog-eem.1930

Fixed machine code generation of UByteNumBytes

=============== Diff against VMMaker.oscog-eem.1930 ===============

Item was changed:
  ----- Method: SistaCogit>>genUnaryInlinePrimitive: (in category 'inline primitive generators') -----
  genUnaryInlinePrimitive: prim
  	"Unary inline primitives."
  	"SistaV1: 248		11111000 	iiiiiiii		mjjjjjjj		Call Primitive #iiiiiiii + (jjjjjjj * 256) m=1 means inlined primitive, no hard return after execution.
  	 See EncoderForSistaV1's class comment and StackInterpreter>>#unaryInlinePrimitive:"
  	| rcvrReg resultReg |
  	rcvrReg := self allocateRegForStackEntryAt: 0.
  	resultReg := self allocateRegNotConflictingWith: (self registerMaskFor: rcvrReg).
  	prim
  		caseOf: {
  					"00		unchecked class"
  			[1] ->	"01		unchecked pointer numSlots"
  				[self ssTop popToReg: rcvrReg.
  				 self ssPop: 1.
  				 objectRepresentation
  					genGetNumSlotsOf: rcvrReg into: resultReg;
  					genConvertIntegerToSmallIntegerInReg: resultReg].
  					"02		unchecked pointer basicSize"
  			[3] ->	"03		unchecked byte numBytes"
+ 				[self ssTop popToReg: rcvrReg.
+ 				 self ssPop: 1.
+ 				 objectRepresentation
- 				[objectRepresentation
  					genGetNumBytesOf: rcvrReg into: resultReg;
  					genConvertIntegerToSmallIntegerInReg: resultReg].
  					"04		unchecked short16Type format numShorts"
  					"05		unchecked word32Type format numWords"
  					"06		unchecked doubleWord64Type format numDoubleWords"
  			[11] ->	"11		unchecked fixed pointer basicNew"
  				[self ssTop type ~= SSConstant ifTrue:
  					[^EncounteredUnknownBytecode].
  				 (objectRepresentation
  					genGetInstanceOf: self ssTop constant
  						into: resultReg
  							initializingIf: self extBSpecifiesInitializeInstance) ~= 0 ifTrue:
  					[^ShouldNotJIT]. "e.g. bad class"
  				 self ssPop: 1]
  				  }
  		otherwise:
  			[^EncounteredUnknownBytecode].
  	extB := 0.
  	self ssPushRegister: resultReg.
  	^0!