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75 Commits

Author SHA1 Message Date
Tobias Hotz
4b4c80bb31 8307351: (CmpI/L(AndI/L reg1 reg2)) on x86 can be optimized 
Reviewed-by: sviswanathan, qamai, thartmann
 2023-05-10 05:48:02 +00:00
Roberto Castañeda Lozano
1be80a4445 8287087: C2: perform SLP reduction analysis on-demand 
Reviewed-by: epeter, jbhateja, thartmann
 2023-04-27 09:39:53 +00:00
Kirill A. Korinsky
7551529854 8305995: Footprint regression from JDK-8224957 
Reviewed-by: kvn, thartmann
 2023-04-17 12:22:26 +00:00
Jan Kratochvil
37774556da 8302191: Performance degradation for float/double modulo on Linux 
Reviewed-by: dholmes, sviswanathan
 2023-03-22 15:55:57 +00:00
Jasmine K
8e41bf222f 8303238: Create generalizations for existing LShift ideal transforms 
Reviewed-by: redestad, thartmann
 2023-03-13 11:10:42 +00:00
Eric Caspole
81e23ab340 8298809: Clean up vm/compiler/InterfaceCalls JMH 
Reviewed-by: kvn
 2022-12-16 16:30:31 +00:00
Bhavana Kilambi
54e6d6aaeb 8293488: Add EOR3 backend rule for aarch64 SHA3 extension 
Reviewed-by: haosun, njian, eliu, aturbanov, ngasson
 2022-11-29 17:17:15 +00:00
SuperCoder79
cf5546b3ac 8291336: Add ideal rule to convert floating point multiply by 2 into addition 
Reviewed-by: qamai, thartmann, chagedorn
 2022-10-28 10:04:38 +00:00
Quan Anh Mai
703a6ef591 8283699: Improve the peephole mechanism of hotspot 
Reviewed-by: kvn, dlong
 2022-10-12 00:31:04 +00:00
Zhiqiang Zang
5dd851d872 8281453: New optimization: convert ~x into -1-x when ~x is used in an arithmetic expression 
Reviewed-by: kvn
 2022-10-06 22:15:20 +00:00
Fei Gao
aa48705ddd 8289422: Fix and re-enable vector conditional move 
Reviewed-by: thartmann, kvn
 2022-09-27 01:24:17 +00:00
Quan Anh Mai
01e7b88199 8290917: x86: Memory-operand arithmetic instructions have too low costs 
Reviewed-by: kvn, sviswanathan, jbhateja
 2022-09-16 20:07:59 +00:00
Pengfei Li
211fab8d36 8291669: [REDO] Fix array range check hoisting for some scaled loop iv 
Reviewed-by: roland, thartmann
 2022-09-14 14:20:39 +00:00
Hao Sun
cbee0bc9ef 8292587: AArch64: Support SVE fabd instruction 
Reviewed-by: njian, fgao, ngasson
 2022-09-13 02:19:02 +00:00
Eric Caspole
3a090777ba 8291337: Reduce runtime of vm.lamdba microbenchmarks 
Reviewed-by: rriggs
 2022-08-15 16:08:39 +00:00
Eric Caspole
1b66cecd31 8291729: Reduce runtime of vm.compiler microbenchmarks 
Reviewed-by: kvn
 2022-08-03 18:01:26 +00:00
Pengfei Li
a2cff2634c 8291597: [BACKOUT] JDK-8289996: Fix array range check hoisting for some scaled loop iv 
Reviewed-by: kvn, thartmann
 2022-08-02 06:50:55 +00:00
Eric Caspole
f0f78a9125 8290894: Reduce runtime of vm.lang microbenchmarks 
Reviewed-by: rriggs
 2022-07-26 20:06:35 +00:00
Pengfei Li
893909558b 8289996: Fix array range check hoisting for some scaled loop iv 
Co-authored-by: John R Rose <jrose@openjdk.org>
Reviewed-by: roland, kvn, thartmann
 2022-07-26 13:45:38 +00:00
Bhavana Kilambi
89458e36af 8288107: Auto-vectorization for integer min/max 
Reviewed-by: kvn, ngasson
 2022-07-20 15:36:39 +00:00
Fei Gao
a1795901ee 8283091: Support type conversion between different data sizes in SLP 
Reviewed-by: kvn, sviswanathan
 2022-06-16 02:40:59 +00:00
Claes Redestad
7e948f7ccb 8287903: Reduce runtime of java.math microbenchmarks 
Reviewed-by: ecaspole, aph
 2022-06-09 13:11:15 +00:00
Fei Gao
24fe8ad74c 8283307: Vectorize unsigned shift right on signed subword types 
Reviewed-by: jiefu, pli, sviswanathan, kvn
 2022-06-06 02:02:10 +00:00
wanghaomin
d65fba412e 8286452: The array length of testSmallConstArray should be small and const 
Reviewed-by: redestad
 2022-05-17 02:17:08 +00:00
Claes Redestad
1586bf862b 8286401: Address possibly lossy conversions in Microbenchmarks 
Reviewed-by: shade, ecaspole
 2022-05-11 20:51:57 +00:00
Pengfei Li
ea83b4455b 8280510: AArch64: Vectorize operations with loop induction variable 
Reviewed-by: adinn, thartmann
 2022-04-28 14:13:24 +00:00
Roland Westrelin
32593df392 8279888: Local variable independently used by multiple loops can interfere with loop optimizations 
Co-authored-by: Claes Redestad <redestad@openjdk.org>
Reviewed-by: thartmann, kvn
 2022-04-25 09:30:00 +00:00
Fei Yang
835c7e8d6d 8283907: Fix Huawei copyright in various files 
Reviewed-by: mli
 2022-03-31 00:46:44 +00:00
Quan Anh Mai
d8c55725e0 8282204: Use lea instructions for arithmetic operations on x86_64 
Reviewed-by: jiefu, sviswanathan, thartmann
 2022-03-23 09:45:23 +00:00
Swati Sharma
08cadb4754 8271195: Use largest available large page size smaller than LargePageSizeInBytes when available 
Co-authored-by: Jatin Bhateja <jbhateja@openjdk.org>
Reviewed-by: ayang, tschatzl
 2022-03-16 09:48:09 +00:00
Hao Sun
49245131e9 8265263: AArch64: Combine vneg with right shift count 
Reviewed-by: adinn, dlong
 2022-03-09 00:52:01 +00:00
Roland Westrelin
0dba170791 8278518: String(byte[], int, int, Charset) constructor and String.translateEscapes() miss bounds check elimination 
Co-authored-by: Sergey Tsypanov <stsypanov@openjdk.org>
Reviewed-by: kvn, jrose
 2022-01-27 08:44:58 +00:00
Zhiqiang Zang
0bf95a1a73 8279607: Existing optimization "~x+1" -> "-x" can be generalized to "~x+c" -> "(c-1)-x". 
Reviewed-by: thartmann, kvn
 2022-01-20 07:38:04 +00:00
Vamsi Parasa
c4518e257c 8278868: Add x86 vectorization support for Long.bitCount() 
Reviewed-by: jbhateja, sviswanathan, kvn
 2022-01-11 18:47:42 +00:00
Jie Fu
6a42fbaf9b 8279258: Auto-vectorization enhancement for two-dimensional array operations 
Reviewed-by: neliasso, kvn
 2022-01-07 00:04:51 +00:00
Jatin Bhateja
8703f14808 8273322: Enhance macro logic optimization for masked logic operations. 
Reviewed-by: kvn, sviswanathan
 2022-01-06 18:41:06 +00:00
Zhiqiang Zang
f326305396 8278114: New addnode ideal optimization: converting "x + x" into "x << 1" 
Reviewed-by: kvn, redestad
 2022-01-05 00:38:59 +00:00
Vladimir Kozlov
a1dfe57249 8276455: C2: iterative EA 
Reviewed-by: iveresov, neliasso, roland
 2021-12-14 19:24:13 +00:00
Zhiqiang Zang
352435581e 8277882: New subnode ideal optimization: converting "c0 - (x + c1)" into "(c0 - c1) - x" 
Reviewed-by: dlong, iveresov
 2021-12-09 00:18:59 +00:00
Xin Liu
21d9ca6cd9 8274983: C1 optimizes the invocation of private interface methods 
Reviewed-by: dlong, iveresov
 2021-11-30 18:55:24 +00:00
Faye Gao
9aa30de4bb 8275317: AArch64: Support some type conversion vectorization in SLP 
Reviewed-by: thartmann, ngasson
 2021-11-17 08:19:46 +00:00
MeryKitty
f3eb5014aa 8276162: Optimise unsigned comparison pattern 
Reviewed-by: thartmann, kvn
 2021-11-16 14:09:53 +00:00
Jie Fu
0ab910d626 8276066: Reset LoopPercentProfileLimit for x86 due to suboptimal performance 
Reviewed-by: thartmann, kvn
 2021-11-03 22:45:50 +00:00
Aleksey Shipilev
5a768f75c9 8276054: JMH benchmarks for Fences 
Reviewed-by: redestad
 2021-10-28 17:32:39 +00:00
Marcus G K Williams
87d2761f1b 8271883: Math CopySign optimization for x86 
Reviewed-by: jbhateja, sviswanathan, kvn
 2021-08-14 00:34:51 +00:00
Andrew Haley
6c68ce2d39 8270947: AArch64: C1: use zero_words to initialize all objects 
Reviewed-by: ngasson, adinn
 2021-07-30 18:02:11 +00:00
Yi Yang
afe957cd97 8268698: Use Objects.check{Index,FromToIndex,FromIndexSize} for java.base 
Reviewed-by: mchung, rriggs
 2021-07-13 02:23:16 +00:00
Patricio Chilano Mateo
2fd7943ec1 8256425: Obsolete Biased Locking in JDK 18 
Reviewed-by: kvn, dholmes, dcubed, rrich
 2021-06-24 18:54:41 +00:00
Yi Yang
4e6748c543 8267687: ModXNode::Ideal optimization is better than Parse::do_irem 
Reviewed-by: neliasso, kvn
 2021-06-04 23:29:35 +00:00
Wang Huang
599d07c0db 8263006: Add optimization for Max(*)Node and Min(*)Node 
Co-authored-by: Wang Huang <whuang@openjdk.org>
Co-authored-by: Wu Yan <wuyan34@huawei.com>
Reviewed-by: kvn
 2021-05-14 17:16:28 +00:00