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29 Commits

Author SHA1 Message Date
Jatin Bhateja
a49ecb26c5 8352635: Improve inferencing of Float16 operations with constant inputs 
Reviewed-by: epeter, sviswanathan
 2025-06-26 15:42:43 +00:00
Cesar Soares Lucas
704b5990a7 8358534: Bailout in Conv2B::Ideal when type of cmp input is not supported 
Reviewed-by: shade
 2025-06-03 20:15:20 +00:00
Roland Westrelin
bcac42aabc 8349479: C2: when a Type node becomes dead, make CFG path that uses it unreachable 
Reviewed-by: chagedorn, vlivanov
 2025-04-10 07:04:15 +00:00
Aleksey Shipilev
b73663a2b4 8351155: C1/C2: Remove 32-bit x86 specific FP rounding support 
Reviewed-by: vlivanov, kvn
 2025-03-27 18:10:53 +00:00
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
36993aea9a 8316918: Optimize conversions duplicated across phi nodes 
Reviewed-by: thartmann, kvn
 2023-10-16 12:52:01 +00:00
Kim Barrett
c077be4768 8314694: Separate checked_cast from globalDefinitions.hpp 
Reviewed-by: stuefe, coleenp, sspitsyn
 2023-08-23 22:32:37 +00:00
Jasmine Karthikeyan
fb0b1f0c23 8051725: Improve expansion of Conv2B nodes in the middle-end 
Reviewed-by: thartmann, qamai, sviswanathan
 2023-05-30 14:11:12 +00:00
Emanuel Peter
cc894d849a 8303466: C2: failed: malformed control flow. Limit type made precise with MaxL/MinL 
Reviewed-by: roland, kvn, chagedorn, thartmann
 2023-04-26 05:42:26 +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
Vladimir Kozlov
8cfd74f76a 8302976: C2 intrinsification of Float.floatToFloat16 and Float.float16ToFloat yields different result than the interpreter 
Reviewed-by: sviswanathan, jbhateja, vlivanov
 2023-03-09 03:26:38 +00:00
Smita Kamath
07946aa49c 8289552: Make intrinsic conversions between bit representations of half precision values and floats 
Reviewed-by: kvn, sviswanathan, jbhateja
 2022-10-11 17:06:19 +00:00
Roland Westrelin
cbaf6e807e 8288022: c2: Transform (CastLL (AddL into (AddL (CastLL when possible 
Reviewed-by: thartmann, kvn
 2022-07-06 11:36:12 +00:00
Emanuel Peter
06cadb36e0 8230382: Clean up ConvI2L, CastII and CastLL::Ideal methods 
Reviewed-by: thartmann, roland
 2022-02-28 12:13:35 +00:00
Aleksey Shipilev
0488ebdf14 8276105: C2: Conv(D|F)2(I|L)Nodes::Ideal should handle rounding correctly 
Reviewed-by: kvn, thartmann
 2021-11-02 06:38:26 +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
Roland Westrelin
d93293f31b 8256730: Code that uses Object.checkIndex() range checks doesn't optimize well 
Reviewed-by: vlivanov, thartmann
 2020-12-10 08:09:08 +00:00
Roland Westrelin
3d460bd295 8256655: rework long counted loop handling 
Reviewed-by: kvn, thartmann, vlivanov
 2020-12-01 07:30:51 +00:00
Roberto Castañeda Lozano
432c387e21 8254317: C2: Resource consumption of ConvI2LNode::Ideal() grows exponentially 
Prevent exponential number of calls to ConvI2LNode::Ideal() when AddIs are used
multiple times by other AddIs in the optimization ConvI2L(AddI(x, y)) ->
AddL(ConvI2L(x), ConvI2L(y)). This is achieved by (1) reusing existing ConvI2Ls
if possible rather than eagerly creating new ones and (2) postponing the
optimization of newly created ConvI2Ls. Remove hook node solution introduced in
8217359, since this is subsumed by (2). Use phase->is_IterGVN() rather than
can_reshape to check if ConvI2LNode::Ideal() is called within iterative GVN, for
clarity. Add regression tests that cover different shapes and sizes of AddI
subgraphs, implicitly checking (by not timing out) that there is no
combinatorial explosion.

Co-authored-by: Vladimir Ivanov <vlivanov@openjdk.org>
Reviewed-by: vlivanov, kvn
 2020-11-11 10:18:36 +00:00
Tobias Hartmann
eb85b8da32 8255665: C2 should aggressively remove temporary hook nodes 
Reviewed-by: chagedorn, kvn
 2020-11-05 08:02:47 +00:00
Vladimir Ivanov
7e2640432b 8255000: C2: Unify IGVN processing when loop opts are over 
Reviewed-by: neliasso, iveresov, kvn
 2020-10-21 08:09:00 +00:00
Roland Westrelin
e76de18956 8223051: support loops with long (64b) trip counts 
Reviewed-by: vlivanov, thartmann, jrose
 2020-10-19 11:30:13 +00:00
Tobias Hartmann
326ba31787 8237950: C2 compilation fails with "Live Node limit exceeded limit" during ConvI2L::Ideal optimization 
Postpone ConvI2L::Ideal optimization to IGVN.

Reviewed-by: kvn, neliasso
 2020-06-19 11:32:51 +02:00
Michihiro Horie
f004d45d3d 8231649: PPC64: Intrinsics for Math.ceil, floor, rint on Power 
Reviewed-by: mdoerr, vlivanov
 2019-10-22 21:26:45 -05:00
Jatin Bhateja
d3ca3a02ff 8226721: Missing intrinsics for Math.ceil, floor, rint 
Reviewed-by: neliasso, vlivanov, ecaspole
 2019-10-01 11:43:10 +02:00
Tao Ji
3626d59867 8217359: C2 compiler triggers SIGSEGV after transformation in ConvI2LNode::Ideal 
Reviewed-by: thartmann
 2019-01-21 13:31:42 +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
Erik Joelsson
3789983e89 8187443: Forest Consolidation: Move files to unified layout 
Reviewed-by: darcy, ihse
 2017-09-12 19:03:39 +02:00