Planet SBCL is a meta blog that collects the contents of various SBCL-related blogs. It was inspired by Planet Lisp.
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Disable a test
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Distinguish between full and partial constant pass-through
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(aref (vector a) 0) => a
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More thorough tracking of macro argument modifications
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More constant tracking for destructive modification detection
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Resolve an improper use of functional-kind
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Don't dx the list in (dx-let ((a (list a b))) (reverse a))
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Don't specify :result-arg for REVERSE
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| Affects | Status | Importance | Assigned to | Bug watch | |
|---|---|---|---|---|---|
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sbcl | New | Undecided | - | |
Don't issue bt instead of cmp x, imm
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x86-64, arm64: use tst instead of cmp if it can use immediates
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x86-64: use test x, x instead of bt more often
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Remove comment rendered obsolete by rev 0f08e80e
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Remove a symbol-macrolet
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sub-access-debug-var-slot: use mask-signed-field
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arm64/simd-pack: use stp during allocation
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arm64: store to the untagged pointer after allocation
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| Affects | Status | Importance | Assigned to | Bug watch | |
|---|---|---|---|---|---|
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sbcl | New | Undecided | - | |
Facilitate making array of lispobj fields in struct thread
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build-all-cores
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debug-dump: don't store var symbol packages twice
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dump-1-packed-dfun: match what compute-args returns
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Slightly more compact debug register encoding
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debug-dump: store package-ids
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Remove fast-read-var-u-integer
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Output lisp-readable list of cold function addresses
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x86-64: Disallow :full-call as an asm routine return style
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Remove clc instructions that do nothing
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Remove R/M/W memory operation from alloc-alien-stack-space
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Last updated: August 30, 2026 02:22 AM
