ir1-finalize-nodes: leave mismatching cast values alone
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Add a :to :save just in case
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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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Try to not confuse stack-analyze in ir1-finalize-nodes
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recognize-known-call: the leaf may have no name
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recognize-known-call: there may be no leaf
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x86-64: can't use MOVE with :dword and expect it to not get removed
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Don't cut logxor constants if they don't change the width
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Don't do delete-lvar-use too late
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ir1-finalize-nodes: don't terminate blocks with bad uses
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Derive types even with unknown keys
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node-conservative-type: don't fail on multiple uses
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ppc64: add constant-folders identified by a test
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Remove fast- prefixes from VOPs
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Simplify template selection around ltn-policy
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define-vop: change the default from :fast to :fast-safe
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Don't do any cast movements if it's not going to emit a type-check
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x86-64, move-128-arg: byte/word mixup
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x86-64/move-immediate: check for imm32-p not just (signed-byte 32)
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Give better names to GC functions that visit binding stacks
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Put arena.lisp after gc.lisp in build order
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Adjust the reader conditional for compiling src/code/arena
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Define copy-number-to-heap in share-vm always
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Fix buggy optimization
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