arm64: better (logxor x most-positive-word)
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Add abs/s128 VOPs
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bignum-truncate: return when |x| < |y| before allocating
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Better out of line ABS for rationals
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sb-manual: port @EFFICIENCY-NOTES from CMUCL manual
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sb-manual: misc
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sb-manual: rework descriptor and non-destriptor stuff
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sb-manual: minor fixes to @NUMBERS
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sb-manual: @INTERNALS-DOCUMENTATION -> @CONTRIBUTING
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sb-manual: reorganize @NUMBERS
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sb-manual: raw port @NUMBERS from CMUCL manual
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sb-manual: unite two misc sections
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sb-manual: port @GENERAL-EFFICIENCY-HINTS from CMUCL manual
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sb-manual: generate .texinfo files
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envanal: Reuse existing dynamic extent infos.
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Clear inline expansions for %bignum-divide
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Better (zerop (rem integer integer)) on bignums
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Don't export SB-C:ALIGN-STACK-POINTER
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Don't create new references to unread variables for debug=3
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arm64: Pair stack slots for LDP and STP from even slots only.
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Remove wst-dev-t and aliased_dev_t
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Delete wst-blksize-t and wst-blkcnt-t
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Catch bad REPLACE before transforming to a loop
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Catch more bad make-array arguments
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Reuse costly coercions of a TN within a block.
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arm64: Use the extended register form for ADD and SUB of SP.
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arm64: Use ADD-SUB-IMMEDIATE in XEP-SETUP-SP.
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dabbrev-typo
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Add a few type declarations
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Add --allow-unknown-features to make-config.sh
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