10 Commits

Author SHA1 Message Date
Tobias Hartmann
f243173a18 8236721: C2 should better optimize not-equal integer comparisons
Narrow the type if an integer value is found to be unequal to it's lower/upper boundary.

Reviewed-by: roland, neliasso
2020-01-15 08:44:53 +01:00
Patric Hedlin
f054a79881 8220376: C2: Int >0 not recognized as !=0 for div by 0 check
Reviewed-by: neliasso, vlivanov, mdoerr
2019-11-15 16:39:08 +01:00
Derek Thomson
7a4b473edd 8157372: C2: Node::cmp() should return bool
The method Node::cmp() should return a boolean

Reviewed-by: vlivanov, kvn
2019-03-28 11:06:00 -07:00
Vladimir Ivanov
0a5a0b1a29 8217918: C2: -XX:+AggressiveUnboxing is broken
Reviewed-by: kvn
2019-02-01 18:50:22 -08:00
Coleen Phillimore
154a1a02bf 8216167: Update include guards to reflect correct directories
Use script and some manual fixup to fix directores names in include guards.

Reviewed-by: lfoltan, eosterlund, kbarrett
2019-01-10 15:13:51 -05:00
Roman Kennke
8b62a2ee9d 8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
Co-authored-by: Christine Flood <chf@redhat.com>
Co-authored-by: Aleksey Shipilev <shade@redhat.com>
Co-authored-by: Roland Westrelin <rwestrel@redhat.com>
Co-authored-by: Zhenygu Gu <zgu@redhat.com>
Co-authored-by: Andrew Haley <aph@redhat.com>
Co-authored-by: Andrew Dinn <adinn@redhat.com>
Co-authored-by: Mario Torre <mtorre@redhat.com>
Reviewed-by: kvn, roland, shade, coleenp, lmesnik, pliden, jgeorge, ihse, erikj
2018-12-10 15:47:44 +01:00
Tobias Hartmann
6b83ac96ab 8210215: C2 should optimize trichotomy calculations
Ideal transformation to optimize trichotomic comparisons.

Reviewed-by: kvn, jrose
2018-10-16 14:17:19 +02:00
Roland Westrelin
93691571bc 8200303: C2 should leverage profiling for lookupswitch/tableswitch
Reviewed-by: kvn, thartmann
2018-04-24 15:07:20 -07:00
Roland Westrelin
15a89eeee4 8201368: IfNode::fold_compares() may lead to incorrect execution
Reviewed-by: neliasso, kvn
2018-04-10 17:07:21 +02:00
Erik Joelsson
3789983e89 8187443: Forest Consolidation: Move files to unified layout
Reviewed-by: darcy, ihse
2017-09-12 19:03:39 +02:00