2bfecc160b
[vm] Update to constexpr in runtime/vm.
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TEST=build
Change-Id: I2dd8ae69764af27f480a19995b491e98f52476ae
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/293902
Reviewed-by: Liam Appelbe <liama@google.com >
Commit-Queue: Ryan Macnak <rmacnak@google.com >
2023-04-12 22:18:54 +00:00
c38e19cbbe
[vm/compiler] bit utilities
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Rationale:
Useful in the future when compiler wants to constant fold
operations related to leading/trailing/counting (non)zeros.
https://github.com/dart-lang/sdk/issues/38346
Change-Id: I158aca125d3a15019af20ca7c2a516b74e4d84c2
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/119920
Reviewed-by: Alexander Markov <alexmarkov@google.com >
Commit-Queue: Aart Bik <ajcbik@google.com >
2019-10-07 18:13:06 +00:00
a1bcf051d8
clang-format runtime/vm
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R=johnmccutchan@google.com
Review URL: https://codereview.chromium.org/2481873005 .
2016-11-08 13:54:47 -08:00
103881d01c
Make header include guards great again
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i.e. #ifndef VM_WHATEVER -> #ifndef RUNTIME_VM_WHATEVER
This lets us remove a hack from the PRESUBMIT.py script that existed
for reasons that are no longer valid, and sets us up to add some
presubmit checks for the GN build.
R=asiva@google.com , rmacnak@google.com
Review URL: https://codereview.chromium.org/2450713004 .
2016-10-26 00:26:03 -07:00
7b4b8880a7
Fix ARM: explicitly reduce shift count modulo word size.
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R=iposva@google.com
Review URL: https://codereview.chromium.org//559883002
git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@40080 260f80e4-7a28-3924-810f-c04153c831b5
2014-09-10 05:50:08 +00:00
06fb635a93
Speed up freelist by using intrinsics to find last set bit.
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Also add unit test for BitSet.
R=iposva@google.com
Review URL: https://codereview.chromium.org//538213003
git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@40057 260f80e4-7a28-3924-810f-c04153c831b5
2014-09-09 21:17:07 +00:00
cdafe57cac
During promotion, use bump allocation whenever there are no small blocks available.
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R=iposva@google.com
Review URL: https://codereview.chromium.org//534653002
git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@39893 260f80e4-7a28-3924-810f-c04153c831b5
2014-09-05 01:07:57 +00:00
547383694b
Improve the performance of bit set searches with a compiler intrinsic.
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Review URL: https://chromiumcodereview.appspot.com//10806078
git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9836 260f80e4-7a28-3924-810f-c04153c831b5
2012-07-24 02:45:31 +00:00
8aebf0a46f
Revert "Revert "Favor free list allocation to bump pointer allocation.""
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This reverts commit c3636953f7d7ab118b2c420b81058a0681fd237f.
Review URL: https://chromiumcodereview.appspot.com//10810048
git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9796 260f80e4-7a28-3924-810f-c04153c831b5
2012-07-21 00:55:47 +00:00
Ryan Macnak