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  1. JDK
  2. JDK-8200303

C2 should leverage profiling for lookupswitch/tableswitch

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    Details

    • Type: Enhancement
    • Status: Resolved
    • Priority: P4
    • Resolution: Fixed
    • Affects Version/s: 11
    • Fix Version/s: 11
    • Component/s: hotspot
    • Labels:
    • Subcomponent:
    • Resolved In Build:
      b11

      Description

      Same motivation as JDK-8058192 that seems to be used to cover graal.

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          Issue Links

          relates to

          Bug - A problem which impairs or prevents the functions of the product. JDK-8209544 AES encrypt performance regression in jdk11b11

          • P3 - Major loss of function.
          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. JDK-8210389 C2: assert(n->outcnt() != 0 || C->top() == n || n->is_Proj()) failed: No dead instructions after post-alloc

          • P3 - Major loss of function.
          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. JDK-8229855 C2 fails with assert(false) failed: bad AD file

          • P3 - Major loss of function.
          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. JDK-8251458 Parse::do_lookupswitch fails with "assert(_cnt >= 0) failed"

          • P3 - Major loss of function.
          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. JDK-8203196 C1 emits incorrect code due to integer overflow in _tableswitch keys

          • P2 - Crashes, loss of data, severe memory leak.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. JDK-8244301 OpenJDK 11.0.2+9 crashes once in a while on C2 Compile task, compute_tree_cost(SwitchRange*, SwitchRange*, float)

          • P3 - Major loss of function.
          • Closed

          Enhancement - null JDK-8201366 Improve output of dumpideal SA command for MachNodes

          • P4 - Minor loss of function, or other problem where easy workaround is present.
          • Open

          Enhancement - null JDK-8058192 compiler ignores lookupswitch and tableswitch branch profile numbers

          • P4 - Minor loss of function, or other problem where easy workaround is present.
          • Resolved

          Enhancement - null JDK-8229158 make UseSwitchProfiling non-experimental or false by-default

          • P4 - Minor loss of function, or other problem where easy workaround is present.
          • Resolved

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              Assignee:
              roland Roland Westrelin
              Reporter:
              roland Roland Westrelin
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                Dates

                Created:
                Updated:
                Resolved: