view c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/TemplateFlag.java @ 1433:efba53f86c4f

various fixes and enhancements * correct refmap->oopmap conversion (register numbering, stack slot numbering) * fixes for inlining (correct scoping in exception handler lookup, NPE in scope conversion) * support for "jump to runtime stub" (patching code needs to be aware of jmp instruction) * provide more information about methods (to allow inlining: has_balanced_monitors, etc.) * fixes to signature type lookup * isSubTypeOf: correct handling of array classes * RiType: componentType/arrayOf * prologue: inline cache check, icmiss stub * klass state check (resolved but not initialized) in newinstance * card table write barriers * c1x classes are optional (to allow running c1 without them) * correct for stored frame pointer in calling conventions (methods with arguments on stack) * getType(Class<?>) for some basic types, used for optimizations and folding * RiMethod/RiType: throw exception instead of silent failure on unsupported operations * RiType: resolved/unresolved array type support * refactoring: new on-demand template generation mechanism * optimizations: template specialization for no_null_check, given length, etc.
author Lukas Stadler <lukas.stadler@oracle.com>
date Thu, 16 Sep 2010 19:42:20 -0700
parents
children 9e5e83ca2259
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package com.sun.hotspot.c1x;

enum TemplateFlag {
    NULL_CHECK, UNRESOLVED, READ_BARRIER, WRITE_BARRIER, STORE_CHECK, BOUNDS_CHECK, GIVEN_LENGTH, STATIC_METHOD, SYNCHRONIZED;

    private static long FIRST_FLAG = 0x0000000100000000L;
    public static long FLAGS_MASK = 0x0000FFFF00000000L;
    public static long INDEX_MASK = 0x00000000FFFFFFFFL;

    public long bits() {
        assert ((FIRST_FLAG << ordinal()) & FLAGS_MASK) != 0;
        return FIRST_FLAG << ordinal();
    }
}