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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Fix emit-avx512-inst-imm
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Disassemble more avx512 instructions
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Reset dstate-disp-n to 0
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Fix disassembler
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Fix avx512 instruction encoding for ymm16-31
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Save avx-512 registers around foreign calls
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Remove debug output
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Don't save avx512 registers in alloc tramps
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Fix avx-512 register allocation
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Fix %make-simd-pack-512-single
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arm64: fix %make-simd-pack-double/single
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Stop touching avx512 registers in c-call
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| Affects | Status | Importance | Assigned to | Bug watch | |
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sbcl | Fix Released | Undecided | - | |
Add an assertion
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Correctly signal encoding errors from string-to-octets
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| Affects | Status | Importance | Assigned to | Bug watch | |
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sbcl | Fix Committed | Undecided | - | |
Remove defknowns for removed functions
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avx2/utf8-strlen: fix the 1/2 byte fast path
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Add a folder stub for reverse-values-list
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Improve utf-8 tests
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| Affects | Status | Importance | Assigned to | Bug watch | |
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sbcl | New | Undecided | - | |
Augment genesis/number-types.h, don't make more headers
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x86-64: Permute Lisp arg-passing registers
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arm64/character-string-to-utf8: jump to ascii-loop from a better place
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Apply various micro-optimizations to VECTOR-FILL/T
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arm64/character-string-to-utf8: escape back to ascii-loop
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arm64/character-string-to-utf8: add a fast-path for 1-2 bytes
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Move an instruction.
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Make EMIT-EA more complicated
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build-all-cores
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Last updated: August 26, 2026 02:10 AM
