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51 Commits

Author SHA1 Message Date
Jatin Bhateja
4b463ee70e 8342103: C2 compiler support for Float16 type and associated scalar operations 
Co-authored-by: Paul Sandoz <psandoz@openjdk.org>
Co-authored-by: Bhavana Kilambi <bkilambi@openjdk.org>
Co-authored-by: Joe Darcy <darcy@openjdk.org>
Co-authored-by: Raffaello Giulietti <rgiulietti@openjdk.org>
Reviewed-by: psandoz, epeter, sviswanathan
 2025-02-12 17:02:51 +00:00
Stefan Karlsson
c33c1cfe73 8347909: Automatic precompiled.hpp inclusion 
Reviewed-by: lkorinth, erikj, dholmes, ihse
 2025-01-21 10:21:24 +00:00
Jasmine Karthikeyan
92431049fd 8335444: Generalize implementation of AndNode mul_ring 
Reviewed-by: chagedorn, qamai, dfenacci
 2024-09-10 16:52:59 +00:00
Christian Hagedorn
c1a568c9c4 8314307: Improve loop handling 
Co-authored-by: Christian Hagedorn <chagedorn@openjdk.org>
Co-authored-by: Roland Westrelin <rwestrel@redhat.com>
Co-authored-by: Emanuel Peter <epeter@openjdk.org>
Reviewed-by: mschoene, rhalade, thartmann, epeter
 2024-01-16 05:55:56 +00:00
Zhiqiang Zang
8569227473 8322589: Add Ideal transformation: (~a) & (~b) => ~(a | b) 
Reviewed-by: thartmann, epeter
 2024-01-10 07:31:56 +00:00
Jasmine Karthikeyan
4977922a3f 8320330: Improve implementation of RShift Value 
Reviewed-by: thartmann, chagedorn
 2023-11-27 14:44:08 +00:00
Fei Gao
37c6b23f5b 8308340: C2: Idealize Fma nodes 
Reviewed-by: kvn, epeter
 2023-08-15 01:04:22 +00:00
Dean Long
d0761c19d1 8312077: Fix signed integer overflow, final part 
Reviewed-by: kvn, amitkumar
 2023-07-24 20:40:08 +00:00
Dean Long
da0f8325de 8310606: Fix signed integer overflow, part 3 
Reviewed-by: kvn, thartmann
 2023-06-28 20:31:08 +00:00
Emanuel Peter
b6a9f5c304 8307619: C2 failed: Not monotonic (AndI CastII LShiftI) in TestShiftCastAndNotification.java 
Reviewed-by: chagedorn, thartmann
 2023-05-22 06:23:19 +00:00
Dean Long
7fcb0fdcd4 8307139: Fix signed integer overflow in compiler code, part 1 
Reviewed-by: thartmann, rcastanedalo, kvn
 2023-05-11 18:06:43 +00:00
Jasmine K
a6b72f56f5 8304230: LShift ideal transform assertion 
Reviewed-by: thartmann
 2023-03-21 06:03:05 +00:00
Christian Hagedorn
c466cdf973 8299546: C2: MulLNode::mul_ring() wrongly returns bottom type due to casting errors with large numbers 
Reviewed-by: iveresov, kvn, qamai
 2023-03-14 14:57:47 +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
Johan Sjölen
5726d31e56 8301074: Replace NULL with nullptr in share/opto/ 
Reviewed-by: kvn, jwilhelm
 2023-03-09 20:28:26 +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
Emanuel Peter
83abfa5d82 8255670: Improve C2's detection of modified nodes 
Reviewed-by: kvn, thartmann, roland
 2022-09-22 07:44:50 +00:00
Pengfei Li
a88a9e344f 8291466: C2: assert(false) failed: infinite loop in PhaseIterGVN::transform_old with -XX:+StressIGVN 
Reviewed-by: roland, chagedorn
 2022-08-29 13:06:20 +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
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
Christian Hagedorn
ed714af854 8288564: C2: LShiftLNode::Ideal produces wrong result after JDK-8278114 
Reviewed-by: kvn, iveresov, thartmann
 2022-06-20 06:47:40 +00:00
Roland Westrelin
e98ac23553 8285793: C2: optimization of mask checks in counted loops fail in the presence of cast nodes 
Reviewed-by: kvn, thartmann
 2022-04-29 11:19:27 +00:00
Roland Westrelin
19f877981e 8278784: C2: Refactor PhaseIdealLoop::remix_address_expressions() so it operates on longs 
Reviewed-by: chagedorn, thartmann
 2022-01-21 07:32:08 +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
Roland Westrelin
06206c7199 8278949: Cleanups for 8277850 
Co-authored-by: John R Rose <jrose@openjdk.org>
Reviewed-by: kvn, jrose
 2021-12-20 10:00:14 +00:00
Roland Westrelin
8af3b27ce9 8277850: C2: optimize mask checks in counted loops 
Reviewed-by: kvn, thartmann
 2021-12-08 16:39:24 +00:00
Roland Westrelin
5dcdee4bcd 8262341: Refine identical code in AddI/LNode. 
Reviewed-by: thartmann, eliu
 2021-12-08 07:55:12 +00:00
vamsi-parasa
af7c56b85b 8275167: x86 intrinsic for unsignedMultiplyHigh 
Reviewed-by: kvn, sviswanathan
 2021-10-20 22:40:51 +00:00
Aleksey Shipilev
756d22c356 8274130: C2: MulNode::Ideal chained transformations may act on wrong nodes 
Reviewed-by: thartmann, kvn
 2021-09-29 05:41:34 +00:00
Aleksey Shipilev
c77ebe8874 8274060: C2: Incorrect computation after JDK-8273454 
Reviewed-by: thartmann, neliasso, chagedorn
 2021-09-22 08:40:04 +00:00
Zhengyu Gu
7c9868c0b3 8273454: C2: Transform (-a)*(-b) into a*b 
Reviewed-by: thartmann, eliu, chagedorn
 2021-09-18 23:11:06 +00:00
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