Mercurial > hg > truffle
diff src/cpu/sparc/vm/sparc.ad @ 124:b130b98db9cf
6689060: Escape Analysis does not work with Compressed Oops
Summary: 64-bits VM crashes with -XX:+AggresiveOpts (Escape Analysis + Compressed Oops)
Reviewed-by: never, sgoldman
| author | kvn |
|---|---|
| date | Wed, 23 Apr 2008 11:20:36 -0700 |
| parents | ba764ed4b6f2 |
| children | 885ed790ecf0 |
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--- a/src/cpu/sparc/vm/sparc.ad Thu Apr 17 07:16:03 2008 -0700 +++ b/src/cpu/sparc/vm/sparc.ad Wed Apr 23 11:20:36 2008 -0700 @@ -5957,15 +5957,27 @@ // Convert oop pointer into compressed form instruct encodeHeapOop(iRegN dst, iRegP src) %{ + predicate(n->bottom_type()->is_narrowoop()->make_oopptr()->ptr() != TypePtr::NotNull); match(Set dst (EncodeP src)); - format %{ "SRL $src,3,$dst\t encodeHeapOop" %} + format %{ "encode_heap_oop $src, $dst" %} ins_encode %{ __ encode_heap_oop($src$$Register, $dst$$Register); %} ins_pipe(ialu_reg); %} +instruct encodeHeapOop_not_null(iRegN dst, iRegP src) %{ + predicate(n->bottom_type()->is_narrowoop()->make_oopptr()->ptr() == TypePtr::NotNull); + match(Set dst (EncodeP src)); + format %{ "encode_heap_oop_not_null $src, $dst" %} + ins_encode %{ + __ encode_heap_oop_not_null($src$$Register, $dst$$Register); + %} + ins_pipe(ialu_reg); +%} + instruct decodeHeapOop(iRegP dst, iRegN src) %{ + predicate(n->bottom_type()->is_oopptr()->ptr() != TypePtr::NotNull); match(Set dst (DecodeN src)); format %{ "decode_heap_oop $src, $dst" %} ins_encode %{ @@ -5974,6 +5986,16 @@ ins_pipe(ialu_reg); %} +instruct decodeHeapOop_not_null(iRegP dst, iRegN src) %{ + predicate(n->bottom_type()->is_oopptr()->ptr() == TypePtr::NotNull); + match(Set dst (DecodeN src)); + format %{ "decode_heap_oop_not_null $src, $dst" %} + ins_encode %{ + __ decode_heap_oop_not_null($src$$Register, $dst$$Register); + %} + ins_pipe(ialu_reg); +%} + // Store Zero into Aligned Packed Bytes instruct storeA8B0(memory mem, immI0 zero) %{