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6919934: JSR 292 needs to support x86 C1

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This implements JSR 292 support for C1 x86.

Reviewed-by: never, jrose, kvn
This commit is contained in:
Christian Thalinger 2010-03-09 20:16:19 +01:00
parent 94a808f51d
commit ffec4c00c4
37 changed files with 420 additions and 287 deletions
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16
hotspot/src/share/vm/c1/c1_Canonicalizer.cpp
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@ -1,5 +1,5 @@
/*
* Copyright 1999-2006 Sun Microsystems, Inc. All Rights Reserved.
* Copyright 1999-2010 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -222,11 +222,15 @@ void Canonicalizer::do_ArrayLength (ArrayLength* x) {
}
} else {
LoadField* lf = x->array()->as_LoadField();
if (lf != NULL && lf->field()->is_constant()) {
ciObject* c = lf->field()->constant_value().as_object();
if (c->is_array()) {
ciArray* array = (ciArray*) c;
set_constant(array->length());
if (lf != NULL) {
ciField* field = lf->field();
if (field->is_constant() && field->is_static()) {
// final static field
ciObject* c = field->constant_value().as_object();
if (c->is_array()) {
ciArray* array = (ciArray*) c;
set_constant(array->length());
}
}
}
}