20 Commits

Author SHA1 Message Date
David Holmes
cb7128b58e 8266950: Remove vestigial support for non-strict floating-point execution
Co-authored-by: Vladimir Ivanov <vlivanov@openjdk.org>
Reviewed-by: vlivanov, kvn
2021-06-01 22:04:02 +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
Roland Westrelin
20297a1beb 8263577: C2: reachable nodes shouldn't have dead uses at the end of optimizations
Reviewed-by: vlivanov, neliasso
2021-03-16 08:20:52 +00:00
Claes Redestad
9d160aa1b7 8257815: Replace global log2 functions with efficient implementations
Reviewed-by: kbarrett, stefank
2021-01-04 21:01:25 +00:00
Christian Hagedorn
4a85514963 8257182: JCK test failures in integer / long rotation tests
Reviewed-by: mdoerr, vlivanov, thartmann, kvn
2020-12-04 08:10:31 +00:00
Tobias Hartmann
1c4c99eae2 8256823: C2 compilation fails with "assert(isShiftCount(imm8 >> 1)) failed: illegal shift count"
Reviewed-by: vlivanov, kvn, chagedorn
2020-11-24 16:52:13 +00:00
Claes Redestad
f55ae9595e 8256858: C2: Devirtualize PhaseIterGVN-specific methods
Reviewed-by: kvn, thartmann
2020-11-24 14:33:47 +00:00
Tobias Hartmann
5bcf898b97 8256478: C2 compilation fails with assert(t1->isa_long()) failed: Type must be a long
Reviewed-by: roland, chagedorn, kvn
2020-11-18 11:52:47 +00:00
Eric Liu
30a2ad5501 8254872: Optimize Rotate on AArch64
Reviewed-by: aph, kvn
2020-11-17 01:55:09 +00:00
Tobias Hartmann
15805741f1 8255672: Replace PhaseTransform::eqv by pointer equality check
Reviewed-by: chagedorn, redestad, kvn
2020-11-03 07:17:58 +00:00
Jatin Bhateja
3ed56830b4 8248830: C2: Optimize Rotate API on x86
Improved existing scalar rotate operations, added support for vector rotate operations using new AVX512 instructions.

Reviewed-by: vlivanov, kvn
2020-08-09 02:03:09 +05:30
Eric Liu
babaab2edb 8242429: Better implementation for sign extract
Reviewed-by: vlivanov, thartmann
2020-05-12 10:19:01 +08:00
Stefan Karlsson
e4b27a48a0 8183574: Unify the is_power_of_2 functions
Reviewed-by: kbarrett, redestad
2020-02-17 10:03:17 +01:00
Vivek Deshpande
996968d480 8216050: Superword optimization fails with assert(0 <= i && i < _len) failed: illegal index
Fix for the crash by matching the operands by swapping to right positions.

Reviewed-by: thartmann, kvn
2019-01-15 11:19:14 -08:00
Roland Westrelin
efcfec81ce 8214189: test/hotspot/jtreg/compiler/intrinsics/mathexact/MulExactLConstantTest.java fails on Windows x64 when run with -XX:-TieredCompilation
Reviewed-by: kvn
2018-11-26 17:35:35 +01:00
Roland Westrelin
e530ca5cc2 8214206: Fix for JDK-8213419 is broken on 32-bit
Reviewed-by: mdoerr, shade
2018-11-22 17:25:47 +01:00
Roland Westrelin
11e54e0749 8213419: C2 may hang in MulLNode::Ideal()/MulINode::Ideal() with gcc 8.2.1
Reviewed-by: kvn, dlong, aph
2018-11-14 13:15:54 +01:00
Mikael Vidstedt
6ffd168ad1 8207011: Remove uses of the register storage class specifier
Reviewed-by: kbarrett, kvn
2018-07-12 17:29:48 -07:00
Coleen Phillimore
e908052a71 8189610: Reconcile jvm.h and all jvm_md.h between java.base and hotspot
Removed hotspot version of jvm*h and jni*h files.

Reviewed-by: ihse, mchung, dholmes
2017-10-31 11:55:09 -04:00
Erik Joelsson
3789983e89 8187443: Forest Consolidation: Move files to unified layout
Reviewed-by: darcy, ihse
2017-09-12 19:03:39 +02:00