Planet SBCL

September 12, 2026

SBCL Commitsarm64: support signed-128

arm64: support signed-128
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SBCL CommitsPotential life-time issues

Potential life-time issues
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SBCL Commitsx86-64: add unboxed signed 128 bit registers

x86-64: add unboxed signed 128 bit registers
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SBCL CommitsFix an eql+abs transform

Fix an eql+abs transform
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Launchpad Bugs[2167161] Incorrect value computed (ABS, CASE)

Affects Status Importance Assigned to Bug watch
sbcl Fix Released Undecided -
 

SBCL CommitsAdd a type deriver for SB-SYS:WITH-INTERRUPTS

Add a type deriver for SB-SYS:WITH-INTERRUPTS
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Launchpad Bugs[2167153] LMDB's unwind-protect* breaks type checking

Affects Status Importance Assigned to Bug watch
sbcl Fix Committed Undecided -
 

September 11, 2026

SBCL CommitsTurn (+ unsigned-word -constant) into (- unsigned-word constant)

Turn (+ unsigned-word -constant) into (- unsigned-word constant)
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SBCL CommitsTypo.

 

SBCL CommitsFix some avx512 k* instructions encodings

Fix some avx512 k* instructions encodings
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SBCL CommitsAdd sb-impl::*read-line-buffers* to *ignore-symbol-value-change*

Add sb-impl::read-line-buffers to ignore-symbol-value-change
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SBCL Commitsarm64: better single-float-bits

arm64: better single-float-bits
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SBCL CommitsRevert "x86-64: implement disassembler support for Intel APX EVEX instructions"

Revert "x86-64: implement disassembler support for Intel APX EVEX instructions"
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SBCL CommitsRevert "x86-64: implement Intel APX (Advanced Performance Extensions) and hardware fuzz suite"

Revert "x86-64: implement Intel APX (Advanced Performance Extensions) and hardware fuzz suite"
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Launchpad Bugs[2167121] test failure with large heap

Affects Status Importance Assigned to Bug watch
sbcl Fix Committed Undecided -
 

SBCL Commitslife: Remove FASTP kludge.

life: Remove FASTP kludge.
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SBCL CommitsBetter diagnostics for make-host-1 warnings

Better diagnostics for make-host-1 warnings
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SBCL Commitsarm64: more compact double-float-high-bits

arm64: more compact double-float-high-bits
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SBCL CommitsSimplify single-float handling in struct by value on x86-64

Simplify single-float handling in struct by value on x86-64
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SBCL Commitsarm64: faster imagpart

arm64: faster imagpart
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SBCL Commitsarm64: improve complex float multiplication vops

arm64: improve complex float multiplication vops
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SBCL Commitsx86-64: use SSE3 for (* complex-float complex-float)

x86-64: use SSE3 for (* complex-float complex-float)
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September 10, 2026

SBCL Commitsarm64: fix direct call vops not saving NFP

arm64: fix direct call vops not saving NFP
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SBCL CommitsFix tests on -x86-64

Fix tests on -x86-64
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SBCL Commitstests(x86-64): add bit-exact encoding assertions for vbroadcastss and vbroadcastsd

tests(x86-64): add bit-exact encoding assertions for vbroadcastss and vbroadcastsd
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SBCL Commitsfeat(sb-simd): support Intel AVX10.1 and AVX10.2 instruction sets

feat(sb-simd): support Intel AVX10.1 and AVX10.2 instruction sets
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SBCL Commitsx86-64: implement Intel AVX10.1 and AVX10.2 converged vector instructions and CPUID

x86-64: implement Intel AVX10.1 and AVX10.2 converged vector instructions and CPUID
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SBCL Commitsx86-64: implement Intel APX (Advanced Performance Extensions) and hardware fuzz suite

x86-64: implement Intel APX (Advanced Performance Extensions) and hardware fuzz suite
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SBCL Commitsx86-64: implement disassembler support for Intel APX EVEX instructions

x86-64: implement disassembler support for Intel APX EVEX instructions
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SBCL Commitstests(sb-simd): add regression tests for sap-ref bindings, CPUID bounds, and missing instructions

tests(sb-simd): add regression tests for sap-ref bindings, CPUID bounds, and missing instructions
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Last updated: September 12, 2026 11:20 PM