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  • Glasgow Haskell Compiler
  • GHCGHC
  • Issues

  • Open 86
  • Closed 93
  • All 179
New issue
  • Priority Created date Last updated Milestone due date Due date Popularity Label priority Manual Title Weight Blocking
  • i386-validate build fails -dcmm-lint
    #21563 · created May 12, 2022 by Matthew Pickering   Phigh Tbug code generation ghc build failure
    • 2
    updated May 17, 2022
  • popCount doesn't use hardware support
    #21560 · created May 12, 2022 by Simon Jakobi   9.6.1   Pnormal Tfeature request code generation
    • 10
    updated May 17, 2022
  • In test EtaExpandLevPoly STG sees a levity polymorphic function being applied to concrete arguments.
    #21399 · created Apr 18, 2022 by Andreas Klebinger   Pnormal Tbug code generation
    • 1
    • 11
    updated May 03, 2022
  • Optimize record updates which represent identity.
    #21394 · created Apr 15, 2022 by Andreas Klebinger   Tfeature request code generation runtime perf
    • 0
    updated Apr 19, 2022
  • Add a WebAssembly back end   0 of 15 tasks completed
    #21200 · created Mar 08, 2022 by Norman Ramsey   9.6.1   Phigh Tfeature request code generation wasm
    • 1
    updated May 20, 2022
  • Add JavaScript backend
    #21078 · created Feb 14, 2022 by Sylvain Henry   Pnormal Ttask code generation cross-compilation javascript
    • 4
    • 3
    updated Mar 10, 2022
  • More dense jump table encoding
    #21042 · created Feb 04, 2022 by Ben Gamari   NCG backend Plow Tbug code generation runtime perf
    • 0
    updated Feb 04, 2022
  • Treatment of boolean values in Cmm is quite ad-hoc
    #20800 · created Dec 09, 2021 by Ben Gamari   Ttask code generation runtime perf
    • 0
    updated Dec 09, 2021
  • Inconsistent Cmm argument handling in 64-bit/32-bit architecture
    #20799 · created Dec 09, 2021 by Cheng Shao   Pnormal Tbug code generation runtime perf
    • 4
    updated Dec 22, 2021
  • Wrong short representation using FFI on M1 macbook with GHC 8.10.7 with optimizations
    #20735 · created Nov 24, 2021 by Gil Mizrahi   FFI Phigh Tbug aarch64 code generation
    • 5
    updated Nov 27, 2021
  • Interesting CSE/Code duplication issue.
    #20681 · created Nov 14, 2021 by Andreas Klebinger   CSE Pnormal code generation runtime perf simplifier
    • 7
    updated Nov 16, 2021
  • Inconsistent treatment of signedness of Cmm literals
    #20634 · created Nov 07, 2021 by Ben Gamari   Phigh Tbug code generation incorrect runtime result
    • 3
    updated Nov 25, 2021
  • Optionally add default case to all case analyses
    #20601 · created Nov 01, 2021 by Ben Gamari   Tfeature request code generation
    • 1
    • 6
    updated Dec 21, 2021
  • Apparent inconsistency in semantics of CmmInt?
    #20534 · created Oct 20, 2021 by Ben Gamari   Phigh Tquestion code generation
    • 7
    updated Oct 26, 2021
  • Some text benchmarks appear to be slower in HEAD (vs 9.2.1) - partial register stall with x86 byte operations
    #20405 · created Sep 22, 2021 by Matthew Pickering   9.4.1   Phigh Tbug code generation
    • 25
    updated Mar 30, 2022
  • Bad interaction between CmmSink limitations and unlifted data types.
    #20334 · created Sep 04, 2021 by Andreas Klebinger   Pnormal Tbug code generation
    • 1
    • 7
    updated Nov 15, 2021
  • During STG->Cmm we should not always be so eager to load free variables
    #20333 · created Sep 04, 2021 by Andreas Klebinger   Pnormal STG optimisations Tbug code generation runtime perf
    • 2
    updated Nov 15, 2021
  • Calling tagToEnum#, and then branching on the result produces bad code.
    #20332 · created Sep 04, 2021 by Andreas Klebinger   Pnormal Tbug code generation runtime perf simplifier
    • 1
    updated Oct 28, 2021
  • Should we inline constructor wrappers into boring contexts?
    #20313 · created Aug 31, 2021 by Andreas Klebinger   ⊥   Plow Ttask code generation runtime perf simplifier
    • 0
    updated Sep 02, 2021
  • LLVM backend generates slow code in some non-strict scenarios
    #20302 · created Aug 27, 2021 by julianbrunner   LLVM backend Pnormal Tbug code generation potential runtime perf regression runtime perf
    • 1
    updated Aug 31, 2021
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