Merge pull request #824 from guillep/unspill

Add unspill and new translations using static type prediction

smalltalksrc/Melchor/VMClass.class.st

@@ -287,13 +287,6 @@ VMClass class >> objectRepresentationClass [
 	^self objectMemoryClass objectRepresentationClass
 ]
 
-{ #category : #accessing }
-VMClass class >> resetInitializationOptions [
-
-	self release.
-	InitializationOptions := nil
-]
-
 { #category : #translation }
 VMClass class >> renameSelectorIfStaticallyResolved: aString [
 
@@ -302,6 +295,13 @@ VMClass class >> renameSelectorIfStaticallyResolved: aString [
 		  ifFalse: [ ^ aString ]
 ]
 
+{ #category : #accessing }
+VMClass class >> resetInitializationOptions [
+
+	self release.
+	InitializationOptions := nil
+]
+
 { #category : #translation }
 VMClass class >> shouldGenerateTypedefFor: aStructClass [
 	"Hack to work-around multiple definitions.  Sometimes a type has been defined in an include."
@@ -577,6 +577,14 @@ VMClass >> druidForceIntepretation [
 	"Ignore in the interpreter"
 ]
 
+{ #category : #'druid support' }
+VMClass >> druidIf: conditionToCompile do: aBlock [
+
+	"Execute the block during interpretation, ignore it during compilation unless the compile option is given.
+	Should be used only to avoid extra fast-cases during compilation"
+	^ aBlock value
+]
+
 { #category : #'druid support' }
 VMClass >> druidIgnore: aBlock [
 
@@ -585,6 +593,14 @@ VMClass >> druidIgnore: aBlock [
 	^ aBlock value
 ]
 
+{ #category : #'druid support' }
+VMClass >> druidStageable: aBlock [
+
+	"Execute the block during interpretation, stage it during compilation.
+	Should be used only with expressions that are known to be constant at JIT-compile time"
+	^ aBlock value
+]
+
 { #category : #'memory access' }
 VMClass >> fetchSingleFloatAtPointer: pointer into: aFloat [
 	"This gets implemented by Macros in C, where its types will also be checked.

smalltalksrc/VMMaker/CogARMv8Compiler.class.st

@@ -5668,7 +5668,7 @@ CogARMv8Compiler >> rewriteCallFullAt: callSiteReturnAddress target: callTargetA
 	^self
 		rewriteFullTransferAt: callSiteReturnAddress
 		target: callTargetAddress
-		expectedInstruction: 16rE12FFF3C
+		expectedInstruction: 16rD63F0200
 ]
 
 { #category : #'inline cacheing' }