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29 Commits

Author SHA1 Message Date
Fei Yang
a86e196559 8235762: JVM crash in SWPointer during C2 compilation 
Reviewed-by: thartmann, chagedorn, neliasso
 2020-01-09 19:12:16 +08:00
Christian Hagedorn
2ee7b9d3a0 8233032: assert(in_bb(n)) failed: must be 
Find first and last memory state of a load pack without relying on bb indices.

Co-authored-by: Roland Westrelin <rwestrel@redhat.com>
Reviewed-by: roland, kvn, thartmann
 2019-12-10 09:28:38 +01:00
Christian Hagedorn
173dae8bc6 8229694: JVM crash in SWPointer during C2 OSR compilation 
Handle the case where there is only 1 pack and no operations left when calling SuperWord::find_align_to_ref() to find the best alignment again.

Reviewed-by: kvn, vlivanov, thartmann
 2019-11-11 10:41:03 +01:00
Jatin Bhateja
d3ca3a02ff 8226721: Missing intrinsics for Math.ceil, floor, rint 
Reviewed-by: neliasso, vlivanov, ecaspole
 2019-10-01 11:43:10 +02:00
Christian Hagedorn
08f652aa51 8230062: assert(i == p->size()-1) failed: must be last element of the pack 
Avoids vectorization of reduction chain in which an intermediate result is used.

Reviewed-by: roland, thartmann
 2019-09-30 09:29:10 +02:00
Erik Österlund
a42636d34b 8227407: ZGC: C2 loads and load barriers can get separated by safepoints 
Reviewed-by: neliasso, smonteith, roland
 2019-07-29 13:57:54 +02:00
Sandhya Viswanathan
707c30fae6 8222074: Enhance auto vectorization for x86 
Reviewed-by: kvn, vlivanov
 2019-05-07 13:33:27 -07:00
Patric Hedlin
fcbca82247 8223137: Rename predicate 'do_unroll_only()' to 'is_unroll_only()' 
Reviewed-by: vlivanov
 2019-04-17 14:52:25 +02:00
Vivek Deshpande
40031abde4 8220211: Small update to Fix generation of VNNI vector code by allowing adjacent LoadS nodes to be isomorphic (JDK-8216580) 
Reviewed-by: kvn
 2019-03-05 21:26:14 -08:00
Vivek Deshpande
8b57cdf5f8 8216580: Fix generation of VNNI vector code by allowing adjacent LoadS nodes to be isomorphic 
Reviewed-by: kvn, thartmann, rraghavan
 2019-03-05 14:07:30 -08:00
Roland Westrelin
6c640e1831 8215483: Off heap memory accesses should be vectorized 
Reviewed-by: neliasso, kvn
 2018-12-18 09:29:39 +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
Vivek Deshpande
05e175bf1b 8214751: X86: Support for VNNI Instructions 
Co-authored-by: Razvan A Lupusoru <razvan.a.lupusoru@intel.com>
Reviewed-by: kvn
 2018-12-12 14:48:34 -08:00
Thomas Schatzl
e98c176026 8208670: Compiler changes to allow enabling -Wreorder 
Reviewed-by: kvn
 2018-08-08 15:31:06 +02:00
Vivek Deshpande
29cd9fe2ea 8194740: UseSubwordForMaxVector causes performance regression 
Reviewed-by: kvn, thartmann
 2018-07-09 13:25:08 -07:00
Vladimir Kozlov
3ced42361d 8202948: C2: assert(init_offset >= 0) failed: positive offset from object start 
Convert the assert into compilation check which will skip superword optimization

Reviewed-by: roland, thartmann
 2018-06-15 08:28:08 -07:00
Roland Westrelin
0ef11c31c7 8201367: assert(current != first_mem) failed: corrupted memory graph in superword code 
Don't rely on the RPO order to find the "first" and "last" loads of the pack

Reviewed-by: kvn
 2018-04-26 12:48:35 -07:00
Roland Westrelin
a67480f33d 8200477: Integer dot product no longer autovectorised 
Reviewed-by: kvn
 2018-04-24 09:35:08 +02:00
Roland Westrelin
98db6d11f3 8193130: Bad graph when unrolled loop bounds conflicts with range checks 
Reviewed-by: kvn, thartmann
 2018-03-22 20:21:19 -07:00
Razvan Lupusoru
343cf9910d 8199421: Add support for vector popcount 
Reviewed-by: kvn
 2018-03-13 10:22:15 -07:00
Dean Long
4f496a5786 8194992: Null pointer dereference in MultiNode::proj_out related to loopexit() 
Reviewed-by: kvn, thartmann
 2018-01-18 10:05:32 -08:00
Roland Westrelin
d2db163edb 8193518: C2: Vector registers sometimes corrupted at safepoint 
Reviewed-by: neliasso, thartmann, kvn
 2017-12-15 10:26:45 -08:00
Razvan A Lupusoru
b96c85c640 8192846: Support cmov vectorization for float 
Reviewed-by: kvn
 2017-12-05 09:49:23 -08:00
Roland Westrelin
386e258e20 8186027: C2: loop strip mining 
Reviewed-by: kvn, neliasso
 2017-11-28 11:59:16 +01:00
Yang Zhang
27d7667a34 8181633: Vectorization fails for some multiplication with constant cases 
Reviewed-by: kvn
 2017-06-20 16:25:53 +08:00
Razvan Lupusoru
9b6a428212 8190800: Support vectorization of Math.sqrt() on floats 
Reviewed-by: vlivanov, kvn
 2017-11-22 14:43:37 +03:00
Vladimir Kozlov
0bf8a0fc34 8189064: Crash with compiler/codegen/*Vect.java on Solaris-sparc 
Unconditionally call cl->mark_loop_vectorized() when vectors are generated

Reviewed-by: thartmann
 2017-10-27 01:09:57 -07:00
Zhongwei Yao
2990ce8012 8187601: Unrolling more when SLP auto-vectorization failed 
Reviewed-by: kvn
 2017-09-20 18:30:32 +08:00
Erik Joelsson
3789983e89 8187443: Forest Consolidation: Move files to unified layout 
Reviewed-by: darcy, ihse
 2017-09-12 19:03:39 +02:00