Planet SBCL is a meta blog that collects the contents of various SBCL-related blogs. It was inspired by Planet Lisp.
Most times are listed in GMT.
select-tagging: don't count lvars twice
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convert-one-cmov: check SCs when coalescing values
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| Affects | Status | Importance | Assigned to | Bug watch | |
|---|---|---|---|---|---|
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sbcl | Fix Committed | Undecided | - | |
arm64: restore mul+add=>madd instcombine
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Add -MODFX/SIGNED=>SIGNED VOPs
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select-tagging: consider multi-sc args too
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Don't propagate constants to %type-check-error
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x86-64, range</c: switch to shifting only after imm32-p
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tagged-template-p: ignore VOPs that accept fixnums and signed-regs
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Add :related-args to %dpb
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select-tagging: don't connect the amount in (ash x amount) to x
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More portable use of LOOP
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arm, arm64: fix local calls returning arguments in NFP
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Prefer untagged VOPs if the values don't need to be tagged
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arm32: allow running with 64K pages
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x86-64: fix *-MOD64 VOPs
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| Affects | Status | Importance | Assigned to | Bug watch | |
|---|---|---|---|---|---|
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sbcl | Fix Released | Undecided | - | |
ir1-optimize-return: set node-derived-type to a values-type
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| Affects | Status | Importance | Assigned to | Bug watch | |
|---|---|---|---|---|---|
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sbcl | Fix Committed | Undecided | - | |
sb-manual: add some documentation for LDB
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Fix ltn-analyze-if where move-conditional-result is present (arm64)
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ltn-analyze-if: don't redo immediately-used-p
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Off by one in mv-principal-lvar-ref-use
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Save a move, sometimes
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| Affects | Status | Importance | Assigned to | Bug watch | |
|---|---|---|---|---|---|
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sbcl | Fix Committed | Undecided | - | |
Add a :to :save just in case
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ir1-finalize-nodes: leave mismatching cast values alone
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Accept any-reg tags for THROW everywhere
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arm64: accept any-reg tags for THROW
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Try not to confuse stack-analyze even more
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Last updated: September 20, 2026 06:56 PM
