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  • Glasgow Haskell Compiler
  • GHCGHC
  • Issues

  • Open 44
  • Closed 72
  • All 116
New issue
  • Priority Created date Last updated Milestone due date Due date Popularity Label priority Manual Title Weight Blocking
  • SSA-based tree-scan register allocator for NCG
    #21453 · created Apr 29, 2022 by Benjamin Maurer   NCG backend Pnormal Tfeature request
    • 1
    • 11
    updated May 05, 2022
  • Make sure we don't emit slow `lea` instructions.
    #21171 · created Mar 05, 2022 by Andreas Klebinger   NCG backend Pnormal Ttask runtime perf
    • 0
    updated Mar 08, 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
  • Very suspicious code in AArch64 NCG
    #21013 · created Jan 27, 2022 by Ben Gamari   NCG backend Ttask aarch64
    • 5
    updated Jan 27, 2022
  • Try to do better for lt,eq,otherwise comparisons against constants.
    #20714 · created Nov 20, 2021 by Andreas Klebinger   Cmm optimisations NCG backend Pnormal Ttask runtime perf
    • 2
    updated Feb 22, 2022
  • Cmm: Sinking, Hp invariants and aliasing.
    #20679 · created Nov 13, 2021 by Andreas Klebinger   9.6.1   Cmm optimisations NCG backend Pnormal Ttask
    • 10
    updated May 12, 2022
  • alex fails on hGetContents when building GHC using 9.2.1 on M1
    #20677 · created Nov 12, 2021 by Artem Pyanykh   9.2.2   NCG backend Phigh Tbug aarch64 aarch64-darwin
    • 1
    • 3
    updated Dec 09, 2021
  • Cmm's lack of signedness information is problematic for some platforms
    #20652 · created Nov 09, 2021 by Ben Gamari   NCG backend Pnormal Ttask aarch64
    • 4
    updated Nov 16, 2021
  • Signed arithmetic miscompiled on AArch64
    #20644 · created Nov 08, 2021 by Ben Gamari   9.2.2   NCG backend Phigh Tbug aarch64 incorrect runtime result
    • 8
    updated Mar 01, 2022
  • Sub-word right-arithmetic-shifts appear to be wrong on x86
    #20626 · created Nov 05, 2021 by Ben Gamari   9.0.2   NCG backend Phighest Tbug incorrect runtime result
    • 3
    updated Mar 07, 2022
  • tf-random's documentation fails to build with GHC 9.2.1's haddock on aarch64-linux
    #20594 · created Nov 01, 2021 by sterni   9.2.3   NCG backend Phighest Tbug incorrect runtime result
    • 17
    updated Mar 04, 2022
  • NCG: slight waste of time and space for inter-module data references (Darwin/PIC)
    #20152 · created Jul 23, 2021 by Sylvain Henry   NCG backend Pnormal Tbug code generation runtime perf
    • 1
    updated Jul 26, 2021
  • NcgImpl, missing documentation
    #19914 · created May 30, 2021 by Moritz Angermann   NCG backend Pnormal Ttask
    • 0
    updated May 31, 2021
  • AArch64 NCG: No unwinding
    #19913 · created May 30, 2021 by Moritz Angermann   ARM NCG backend Pnormal Ttask
    • 0
    updated May 31, 2021
  • AArch64 NCG does not support JumpTables
    #19912 · created May 30, 2021 by Moritz Angermann   ARM NCG backend Pnormal Ttask
    • 0
    updated May 31, 2021
  • AArch64 NCG does not check bounds on Immediates
    #19911 · created May 30, 2021 by Moritz Angermann   ARM NCG backend Pnormal Tbug
    • 0
    updated Jun 01, 2021
  • CallishMachOp not constant folded
    #19837 · created May 13, 2021 by Benjamin Maurer   NCG backend Pnormal Tfeature request code generation runtime perf
    • 3
    updated Feb 23, 2022
  • NCG: Do more efficient comparisons against zero.
    #19659 · created Apr 06, 2021 by Andreas Klebinger   NCG backend Pnormal newcomer runtime perf
    • 1
    • 5
    updated Mar 21, 2022
  • Pseudo-SSA in NCG
    #19453 · created Feb 27, 2021 by Benjamin Maurer   NCG backend Pnormal Tfeature request
    • 1
    • 15
    updated Apr 29, 2022
  • -fregs-iterative seems to be a pessimization?!
    #19449 · created Feb 26, 2021 by Simon Jakobi   NCG backend Pnormal Tbug documentation
    • 4
    updated Apr 29, 2022
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