Vladimir Kozlov
669fa7396d
7097546: Optimize use of CMOVE instructions
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Avoid CMove in a loop if possible. May generate CMove if it could be moved outside a loop.
Reviewed-by: never
2011-10-26 06:08:56 -07:00
Vladimir Kozlov
2407655ab1
7100757: The BitSet.nextSetBit() produces incorrect result in 32bit VM on Sparc
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Instruction countTrailingZerosL() should use iRegIsafe dst register since it is used in long arithmetic.
Reviewed-by: never, twisti
2011-10-14 10:07:28 -07:00
Vladimir Kozlov
9c87ea9062
7085137: -XX:+VerifyOops is broken
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Replace set() with patchable_set() to generate 8 instructions always.
Reviewed-by: iveresov, never, roland
2011-08-31 09:48:21 -07:00
Vladimir Kozlov
6446205688
7059037: Use BIS for zeroing on T4
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Use BIS for zeroing new allocated big (2Kb and more) objects and arrays.
Reviewed-by: never, twisti, ysr
2011-08-26 08:52:22 -07:00
Christian Thalinger
db338313bf
7079769: JSR 292: incorrect size() for CallStaticJavaHandle on sparc
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Reviewed-by: never, kvn
2011-08-17 11:52:22 -07:00
Vladimir Kozlov
90651b2666
7079329: Adjust allocation prefetching for T4
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On T4 2 BIS instructions should be issued to prefetch 64 bytes
Reviewed-by: iveresov, phh, twisti
2011-08-16 16:59:46 -07:00
Vladimir Kozlov
ac99f413d7
7063629: use cbcond in C2 generated code on T4
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Use new short branch instruction in C2 generated code.
Reviewed-by: never
2011-08-11 12:08:11 -07:00
Roland Westrelin
b543a07b9a
7074017: Introduce MemBarAcquireLock/MemBarReleaseLock nodes for monitor enter/exit code paths
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Replace MemBarAcquire/MemBarRelease nodes on the monitor enter/exit code paths with new MemBarAcquireLock/MemBarReleaseLock nodes
Reviewed-by: kvn, twisti
2011-08-02 18:36:40 +02:00
Vladimir Kozlov
18329266ea
7069452: Cleanup NodeFlags
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Remove flags which duplicate information in Node::NodeClasses.
Reviewed-by: never
2011-07-27 17:28:36 -07:00
Vladimir Kozlov
48c1293916
7063628: Use cbcond on T4
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Add new short branch instruction to Hotspot sparc assembler.
Reviewed-by: never, twisti, jrose
2011-07-21 11:25:07 -07:00
Vladimir Kozlov
20a26c54cd
7059034: Use movxtod/movdtox on T4
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Use new VIS3 mov instructions on T4 for move data between general and float registers.
Reviewed-by: never, twisti
2011-07-08 09:38:48 -07:00
Roland Westrelin
4171ca786e
7029017: Additional architecture support for c2 compiler
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Enables cross building of a c2 VM. Support masking of shift counts when the processor architecture mandates it.
Reviewed-by: kvn, never
2011-03-25 09:35:39 +01:00
Vladimir Kozlov
5d3ab72d1d
7017746: Regression : C2 compiler crash due to SIGSEGV in PhaseCFG::schedule_early()
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Add TEMP edges (and KILL projections) before duplicated operands are removed in Expand() methods.
Reviewed-by: never
2011-02-10 14:25:59 -08:00
Igor Veresov
18619a6ed6
7011627: C1: call_RT must support targets that don't fit in wdisp30
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Make both compilers emit near and far calls when necessary.
Reviewed-by: never, kvn, phh
2011-01-12 18:33:25 -08:00
Vladimir Kozlov
9fd396ce55
7006505: Use kstat info to identify SPARC processor
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Read Solaris kstat data to get more precise CPU information
Reviewed-by: iveresov, never, twisti, dholmes
2010-12-16 14:15:12 -08:00
Christian Thalinger
0563626b3c
7006044: materialize cheap non-oop pointers on 64-bit SPARC
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After 6961690 we load non-oop pointers for the constant table which could easily be materialized in a few instructions.
Reviewed-by: never, kvn
2010-12-14 12:44:30 -08:00
Vladimir Kozlov
797fb02b41
7004925: CTW: assert(nbits == 32 || -(1 << nbits-1) <= x && x < ( 1 << nbits-1)) failed: value out of range
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Set offset in register if it does not fit 13 bits.
Reviewed-by: iveresov
2010-12-07 11:00:02 -08:00
Christian Thalinger
ffaadcecea
6961690: load oops from constant table on SPARC
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Oops should be loaded from the constant table of an nmethod instead of materializing them with a long code sequence.
Reviewed-by: never, kvn
2010-12-03 01:34:31 -08:00
Christian Thalinger
a1396ef871
6996240: The BitSet.length method sometimes returns an index+1 value less than that of the highest bit set
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Reviewed-by: never, kvn
2010-11-02 14:56:40 -07:00
Vladimir Kozlov
249b1f6c4f
6987135: Performance regression on Intel platform with 32-bits edition between 6u13 and 6u14
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Use hardware DIV instruction for long division by constant when it is faster than code with multiply.
Reviewed-by: never
2010-11-02 09:00:37 -07:00
Christian Thalinger
a4b2fe3b1c
6978355: renaming for 6961697
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This is the renaming part of 6961697 to keep the actual changes small for review.
Reviewed-by: kvn, never
2010-08-25 05:27:54 -07:00
John R Rose
d6a9b93b5a
Merge
2010-06-02 22:45:42 -07:00
Vladimir Kozlov
a3005a16fc
6954029: Improve implicit null check generation with compressed oops
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Hoist DecodeN instruction above null check
Reviewed-by: never, twisti
2010-06-02 09:49:32 -07:00
Erik Trimble
ba7c173659
6941466: Oracle rebranding changes for Hotspot repositories
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Change all the Sun copyrights to Oracle copyright
Reviewed-by: ohair
2010-05-27 19:08:38 -07:00
Vladimir Kozlov
cc18a50e59
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
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Added new product ObjectAlignmentInBytes flag to control object alignment.
Reviewed-by: twisti, ysr, iveresov
2010-05-27 18:01:56 -07:00
Christian Thalinger
7a9f2e7625
6934104: JSR 292 needs to support SPARC C2
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C2 for SPARC needs to support JSR 292.
Reviewed-by: kvn, never
2010-05-25 02:38:48 -07:00
Hiroshi Yamauchi
cd48f31efe
6946040: add intrinsic for short and char reverseBytes
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Reviewed-by: never, twisti
2010-04-26 11:27:21 -07:00
Vladimir Kozlov
f6934fd3b7
6940726: Use BIS instruction for allocation prefetch on Sparc
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Use BIS instruction for allocation prefetch on Sparc
Reviewed-by: twisti
2010-04-07 12:39:27 -07:00
Vladimir Kozlov
fa2d360cd5
6910664: C2: java/util/Arrays/Sorting.java fails with DeoptimizeALot flag
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Matcher::float_in_double should be true only when FPU is used for floats.
Reviewed-by: never, twisti
2010-02-19 10:04:16 -08:00
Tom Rodriguez
96612c6e23
6909839: missing unsigned compare cases for some cmoves in sparc.ad
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Reviewed-by: kvn, jrose
2010-01-09 00:59:35 -08:00
Christian Thalinger
375527d84e
6829187: compiler optimizations required for JSR 292
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C2 implementation for invokedynamic support.
Reviewed-by: kvn, never
2010-01-05 13:05:58 +01:00
Christian Thalinger
ad6d07e80b
6893554: SPECjvm2008 mpegaudio fails with SecurityException
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The problem occurs with negative numbers, as the 32-bit input values are sign extended into the 64-bit registers.
Reviewed-by: kvn
2009-10-27 03:00:27 -07:00
Vladimir Kozlov
34324e30c0
6890984: Comparison of 2 arrays could cause VM crash
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Restore original null checks.
Reviewed-by: never, cfang
2009-10-14 15:03:32 -07:00
Volker Simonis
930f3d4570
6880034: SIGBUS during deoptimisation at a safepoint on 64bit-SPARC
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Fix problem with the double register encodings in sparc.ad
Reviewed-by: never, jrose
2009-10-06 10:15:38 -07:00
Vladimir Kozlov
243514d483
6827605: new String intrinsics may prevent EA scalar replacement
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6875866: Intrinsic for String.indexOf() is broken on x86 with SSE4.2
Modify String intrinsic methods to pass char[] pointers instead of string oops.
Reviewed-by: never
2009-09-14 12:14:20 -07:00
Christian Thalinger
6ef69eb7c3
6875967: CTW fails with./generated/adfiles/ad_sparc.cpp:6711
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Reviewed-by: cfang, never
2009-08-31 02:24:21 -07:00
Christian Thalinger
a9ad90fa87
5057225: Remove useless I2L conversions
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The optimizer should be told to normalize (AndL (ConvI2L x) 0xFF) to (ConvI2L (AndI x 0xFF)), and then the existing matcher rule will work for free.
Reviewed-by: kvn
2009-06-26 07:26:10 -07:00
Christian Thalinger
8a262ce04b
6814842: Load shortening optimizations
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6797305 handles load widening but no shortening which should be covered here.
Reviewed-by: never, kvn
2009-05-13 00:45:22 -07:00
Christian Thalinger
6a270f9f19
6823354: Add intrinsics for {Integer,Long}.{numberOfLeadingZeros,numberOfTrailingZeros}()
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These methods can be instrinsified by using bit scan, bit test, and population count instructions.
Reviewed-by: kvn, never
2009-05-06 00:27:52 -07:00
Tom Rodriguez
60e1a19b44
6833573: C2 sparc: assert(c < 64 && (c & 1) == 0,"bad double float register")
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Reviewed-by: twisti
2009-04-24 15:08:30 -07:00
Christian Thalinger
57d945fd3d
6822110: Add AddressLiteral class on SPARC
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The Address class on SPARC currently handles both, addresses and address literals, what makes the Address class more complicated than it has to be.
Reviewed-by: never, kvn
2009-04-21 11:16:30 -07:00
Changpeng Fang
c0d62ad9e6
6761600: Use sse 4.2 in intrinsics
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Use SSE 4.2 in intrinsics for String.{compareTo/equals/indexOf} and Arrays.equals.
Reviewed-by: kvn, never, jrose
2009-03-31 14:07:08 -07:00
Christian Thalinger
de67e52949
6378821: bitCount() should use POPC on SPARC processors and AMD+10h
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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
Christian Thalinger
05d1de7727
6810672: Comment typos
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I have collected some typos I have found while looking at the code.
Reviewed-by: kvn, never
2009-02-27 13:27:09 -08:00
Christian Thalinger
3b8452da93
6796746: rename LoadC (char) opcode class to LoadUS (unsigned short)
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Renaming LoadC to LoadUS would round up the planned introduction of LoadUB and LoadUI.
Reviewed-by: phh, kvn
2009-01-26 16:22:12 +01:00
Vladimir Kozlov
1ff1bdc3e6
6790182: matcher.cpp:1375: assert(false,"bad AD file")
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Add a match rule for regD_low in regD definition.
Reviewed-by: never
2009-01-07 11:23:28 -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
Tom Rodriguez
429a95440a
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
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Reviewed-by: kvn, rasbold
2008-10-28 09:31:30 -07:00
