Christian Thalinger
de67e52949
6378821: bitCount() should use POPC on SPARC processors and AMD+10h
...
BitCount() should use POPC on SPARC processors where POPC is implemented directly in hardware.
Reviewed-by: kvn, never
2009-03-13 11:35:17 -07:00
Vladimir Kozlov
69f9ddee90
6791178: Specialize for zero as the compressed oop vm heap base
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Use zero based compressed oops if java heap is below 32gb and unscaled compressed oops if java heap is below 4gb.
Reviewed-by: never, twisti, jcoomes, coleenp
2009-03-12 10:37:46 -07:00
Christian Thalinger
89cea91c48
6797305: Add LoadUB and LoadUI opcode class
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Add a LoadUB (unsigned byte) and LoadUI (unsigned int) opcode class so we have these load optimizations in the first place and do not need to handle them in the matcher.
Reviewed-by: never, kvn
2009-03-09 03:17:11 -07:00
John R Rose
26d192003f
6812831: factor duplicated assembly code for megamorphic invokeinterface (for 6655638)
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Code in vtableStubs and templateTable moved into MacroAssembler.
Reviewed-by: kvn
2009-03-06 21:36:50 -08:00
John R Rose
07321dec65
6812678: macro assembler needs delayed binding of a few constants (for 6655638)
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Minor assembler enhancements preparing for method handles
Reviewed-by: kvn
2009-03-04 09:58:39 -08:00
Vladimir Kozlov
7aae40a95f
6462850: generate biased locking code in C2 ideal graph
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Inline biased locking code in C2 ideal graph during macro nodes expansion
Reviewed-by: never
2008-11-07 09:29:38 -08:00
Vladimir Kozlov
55925534ec
6532536: Optimize arraycopy stubs for Intel cpus
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Use SSE2 movdqu in arraycopy stubs on newest Intel's cpus
Reviewed-by: rasbold
2008-10-14 15:10:26 -07:00
Andrey Petrusenko
b6aabd98fc
Merge
2008-09-17 16:49:18 +04:00
Tom Rodriguez
26c780da72
5108146: Merge i486 and amd64 cpu directories
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6459804: Want client (c1) compiler for x86_64 (amd64) for faster start-up
Reviewed-by: kvn
2008-08-27 00:21:55 -07:00
