[Bug 696] New: Zero fails to handle fast_aldc and fast_aldc_w in hs20

[bugzilla-daemon at icedtea.classpath.org]

http://icedtea.classpath.org/bugzilla/show_bug.cgi?id=696

           Summary: Zero fails to handle fast_aldc and fast_aldc_w in hs20
           Product: IcedTea
           Version: 6-hg
          Platform: all
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P5
         Component: Zero
        AssignedTo: unassigned at icedtea.classpath.org
        ReportedBy: xerxes at zafena.se


hs20 uses two new internal instructions fast_aldc and fast_aldc_w.
see: openjdk/hotspot/src/share/vm/interpreter/bytecodes.hpp

This are handled by Zero in hotspot_comp upstream.


We need to backport the following:

This part from 7032458: Zero and Shark fixes
http://hg.openjdk.java.net/jdk7/hotspot-comp/hotspot/rev/e863062e521d
--- a/src/share/vm/interpreter/bytecodeInterpreter.cpp Sun Apr 03 12:00:54 2011
+0200
+++ b/src/share/vm/interpreter/bytecodeInterpreter.cpp Mon Apr 04 03:02:00 2011
-0700
@@ -568,7 +568,7 @@ BytecodeInterpreter::run(interpreterStat
/* 0xDC */ &&opc_default, &&opc_default, &&opc_default, &&opc_default,
/* 0xE0 */ &&opc_default, &&opc_default, &&opc_default, &&opc_default,
-/* 0xE4 */ &&opc_default, &&opc_return_register_finalizer, &&opc_default,
&&opc_default,
+/* 0xE4 */ &&opc_default, &&opc_default, &&opc_default,
&&opc_return_register_finalizer,
/* 0xE8 */ &&opc_default, &&opc_default, &&opc_default, &&opc_default,
/* 0xEC */ &&opc_default, &&opc_default, &&opc_default, &&opc_default,

And this changeset from 7030207: Zero tweak to remove accidentally incorporated
code:
http://hg.openjdk.java.net/jdk7/hotspot-comp/hotspot/rev/151da0c145a8


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