Yi Yang
a73c06de2a
8273021: C2: Improve Add and Xor ideal optimizations
...
Co-authored-by: yulei <lei.yul@alibaba-inc.com>
Reviewed-by: thartmann, kvn
2021-09-13 02:10:45 +00:00
Zhengyu Gu
746fe5dc68
8270366: C2: Add associative rule to add/sub node
...
Reviewed-by: kvn, adinn
2021-07-15 16:40:30 +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
Nils Eliasson
4ba761381c
8267332: xor value should handle bounded values
...
Reviewed-by: thartmann, redestad
2021-05-21 14:06:18 +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
Cesar
67cb22af58
8266601: Fix bugs in AddLNode::Ideal transformations
...
Reviewed-by: kvn, vlivanov, thartmann
2021-05-11 09:28:37 +00:00
Roland Westrelin
d1baed677e
8263672: fatal error: no reachable node should have no use
...
Reviewed-by: vlivanov, thartmann
2021-03-17 08:52:14 +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
Eric Liu
23ee60d1b7
8261008: Optimize Xor
...
Reviewed-by: thartmann, kvn
2021-03-06 08:52:35 +00:00
Eric Liu
382e38dd24
8256438: AArch64: Implement match rules with ROR shift register value
...
Reviewed-by: aph, roland
2021-02-24 09:49:53 +00:00
Roland Westrelin
3d460bd295
8256655: rework long counted loop handling
...
Reviewed-by: kvn, thartmann, vlivanov
2020-12-01 07:30:51 +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
15805741f1
8255672: Replace PhaseTransform::eqv by pointer equality check
...
Reviewed-by: chagedorn, redestad, kvn
2020-11-03 07:17:58 +00:00
Tobias Hartmann
cfb02d4854
8250861: Crash in MinINode::Ideal(PhaseGVN*, bool)
...
Added missing NULL checks.
Reviewed-by: kvn, chagedorn
2020-10-20 14:58:40 -07:00
Tobias Hartmann
7c05f32bc9
8244924: Additional fix for JDK-8241119
...
Reviewed-by: kvn, vlivanov, rhalade, ahgross
2020-10-20 14:58:38 -07:00
Roberto Castaneda Lozano
f3ea0d362f
8252583: Clean up unused phi-to-copy degradation mechanism
...
Remove unused notion of 'PhiNode-to-copy degradation', where PhiNodes can be
degraded to copies by setting their RegionNode to NULL. Remove corresponding
PhiNode::is_copy() test, which always returned NULL (false). Assert that
PhiNodes have an associated RegionNode in PhiNode::Ideal().
Reviewed-by: thartmann, kvn
2020-09-24 08:10:56 +00:00
Vladimir Kozlov
1438ce097f
8252188: Crash in OrINode::Ideal(PhaseGVN*, bool)+0x8b9
...
Reviewed-by: vlivanov, thartmann, jbhateja
2020-09-19 16:06:35 +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
Roland Westrelin
57388f807f
8244504: C2: refactor counted loop code in preparation for long counted loop
...
Reviewed-by: jrose, thartmann
2020-05-28 14:34:01 +02:00
Jamsheed Mohammed C M
259a0b4a7b
8226627: assert(t->singleton()) failed: must be a constant
...
Implemented constant folding for MaxFD, MinFD.
Reviewed-by: thartmann, bsrbnd, pli
2019-07-05 00:24:54 -07:00
Erik Joelsson
3789983e89
8187443: Forest Consolidation: Move files to unified layout
...
Reviewed-by: darcy, ihse
2017-09-12 19:03:39 +02:00
