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Home / sbcl / 2.0.4
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sbcl-2.0.4-sparc-solaris-binary.tar.bz2 2020-05-04 10.1 MB
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README 2020-04-27 2.0 kB
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sbcl-2.0.4-release-notes.txt 2020-04-27 2.0 kB
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sbcl-2.0.4-source.tar.bz2 2020-04-27 6.5 MB
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changes in sbcl-2.0.4 relative to sbcl-2.0.3:
  * platform support:
    ** 32-bit RISC-V is now fully supported. Unlike other ports, its backend
       is entirely shared with 64-bit RISC-V.
    ** native threads are now supported on RISC-V.
    ** fix and add some x86-64 vector instructions.  (reported by Shubhamkar
       Ayare)
    ** improve pointer representation on ppc64 for low-level performance
       improvement.
    ** threads are more stable on big-endian ppc64
  * enhancement: forward-referenced type tests can now be open-coded by using
    block compilation. The result is that mutually referential defstructs are
    now efficiently compiled in block compilation mode, superseding a lighter
    mechanism that worked in fewer contexts.  However, that lighter mechanism
    has been removed, so for now, users who want to efficiently compile
    mutually referential defstructs must explicitly opt-in using block
    compilation.
  * bug fix: defstructs with empty initforms in the sbcl source are now
    explicitly intiialized with NIL, as that is undefined behavior under
    ANSI.  This helps cross compilation hosts which do not implicitly
    initialize empty initform slots to NIL.  (Thanks to Karsten Poeck)
  * bug fix: backtracing through assembly routines now works properly on
    RISC-V.
  * bug fix: ASH no longer gets miscompiled in certain edge cases on RISC-V.
  * bug fix: &MORE args have been slightly optimized and are more correct on
    RISC-V.
  * bug fix: unused local functions with &REST/&KEY/&OPTIONAL now also issue a
    deletion note.
  * bug fix: APPLY on a large list ("large" being in excess of 2k to 16k items
    depending on the platform) can no longer crash the gencgc collector.
  * bug fix: sb-concurrency FRLOCK algorithm has been corrected.  (lp#1087955)
  * bug fix: block compilation now respects inlining declarations better (like
    CMUCL).
  * optimization: hashing of structures with raw slots for EQUALP hash tables
    has been improved.
Source: README, updated 2020-04-27