From 7957f63caa7c50593e428a46e991708c6465f354 Mon Sep 17 00:00:00 2001 From: Jason Zaugg Date: Sun, 9 Feb 2014 19:01:35 +0100 Subject: Optimation: use AnyRefMap in GenASM javaName caches These are a hotspot in the backend. --- src/compiler/scala/tools/nsc/backend/jvm/GenASM.scala | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'src/compiler') diff --git a/src/compiler/scala/tools/nsc/backend/jvm/GenASM.scala b/src/compiler/scala/tools/nsc/backend/jvm/GenASM.scala index eb40e1dbde..b03519ce7d 100644 --- a/src/compiler/scala/tools/nsc/backend/jvm/GenASM.scala +++ b/src/compiler/scala/tools/nsc/backend/jvm/GenASM.scala @@ -171,10 +171,10 @@ abstract class GenASM extends SubComponent with BytecodeWriters with GenJVMASM { var pickledBytes = 0 // statistics - val javaNameCache = perRunCaches.newMap[Symbol, Name]() + val javaNameCache = perRunCaches.newAnyRefMap[Symbol, Name]() // unlike javaNameCache, reverseJavaName contains entries only for class symbols and their internal names. - val reverseJavaName = perRunCaches.newMap[String, Symbol]() + val reverseJavaName = perRunCaches.newAnyRefMap[String, Symbol]() private def mkFlags(args: Int*) = args.foldLeft(0)(_ | _) private def hasPublicBitSet(flags: Int) = (flags & asm.Opcodes.ACC_PUBLIC) != 0 -- cgit v1.2.3