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author | Iulian Dragos <jaguarul@gmail.com> | 2007-08-28 14:36:31 +0000 |
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committer | Iulian Dragos <jaguarul@gmail.com> | 2007-08-28 14:36:31 +0000 |
commit | 22f1be16fb364a8ae9749c0a59f0535cbe18b561 (patch) | |
tree | f690b65c7afc77ef65e118e054052c6f154a581c /src/compiler | |
parent | 44c08fe2e46779d465fd231726b7ee01d27a8c56 (diff) | |
download | scala-22f1be16fb364a8ae9749c0a59f0535cbe18b561.tar.gz scala-22f1be16fb364a8ae9749c0a59f0535cbe18b561.tar.bz2 scala-22f1be16fb364a8ae9749c0a59f0535cbe18b561.zip |
Improved boxing optimization.
Diffstat (limited to 'src/compiler')
-rw-r--r-- | src/compiler/scala/tools/nsc/backend/icode/GenICode.scala | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/src/compiler/scala/tools/nsc/backend/icode/GenICode.scala b/src/compiler/scala/tools/nsc/backend/icode/GenICode.scala index 59ea8b82b9..8ea3f68ebe 100644 --- a/src/compiler/scala/tools/nsc/backend/icode/GenICode.scala +++ b/src/compiler/scala/tools/nsc/backend/icode/GenICode.scala @@ -690,8 +690,6 @@ abstract class GenICode extends SubComponent { log("BOX : " + fun.symbol.fullNameString); val ctx1 = genLoad(expr, ctx, toTypeKind(expr.tpe)) val nativeKind = toTypeKind(expr.tpe) - ctx1.bb.emit(BOX(nativeKind), expr.pos) - generatedType = toTypeKind(fun.symbol.tpe.resultType) if (settings.Xdce.value) { // we store this boxed value to a local, even if not really needed. // boxing optimization might use it, and dead code elimination will @@ -699,13 +697,15 @@ abstract class GenICode extends SubComponent { var loc1 = new Local(ctx.method.symbol.newVariable( tree.pos, unit.fresh.newName("boxed")) - .setInfo(definitions.ObjectClass.tpe) + .setInfo(expr.tpe) .setFlag(Flags.SYNTHETIC), - ANY_REF_CLASS, false) + nativeKind, false) loc1 = ctx.method.addLocal(loc1) - ctx1.bb.emit(DUP(ANY_REF_CLASS)) ctx1.bb.emit(STORE_LOCAL(loc1)) + ctx1.bb.emit(LOAD_LOCAL(loc1)) } + ctx1.bb.emit(BOX(nativeKind), expr.pos) + generatedType = toTypeKind(fun.symbol.tpe.resultType) ctx1 case Apply(fun @ _, List(expr)) if (definitions.isUnbox(fun.symbol)) => |