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- Log ----------------------------------------------------------------- commit cdf11377fbdb369d3a3810dd9bd01a8a73007255 Author: Raymond Toy toy.raymond@gmail.com Date: Sat Dec 22 08:29:09 2012 -0800

Fix ticket:60.

This fixes the immediate issue, but there are still problems with very long strings. The bit-index for such strings won't fit in an (unsigned-byte 32).

vm-fndb.lisp: o Correct the defknown to have the correct arg types (vm::offset instead of index).

vm-tran.lisp: o Update deftransform to use vm::offset instead of index.

diff --git a/src/compiler/generic/vm-fndb.lisp b/src/compiler/generic/vm-fndb.lisp index 0c726f3..80e5630 100644 --- a/src/compiler/generic/vm-fndb.lisp +++ b/src/compiler/generic/vm-fndb.lisp @@ -307,8 +307,8 @@ ())

(defknown bit-bash-copy - ((simple-unboxed-array (*)) index - (simple-unboxed-array (*)) index index) + ((simple-unboxed-array (*)) vm::offset + (simple-unboxed-array (*)) vm::offset vm::offset) t ())

diff --git a/src/compiler/generic/vm-tran.lisp b/src/compiler/generic/vm-tran.lisp index 62bf92b..3376163 100644 --- a/src/compiler/generic/vm-tran.lisp +++ b/src/compiler/generic/vm-tran.lisp @@ -240,22 +240,22 @@ (deftransform replace ((string1 string2 &key (start1 0) (start2 0) end1 end2) (simple-string simple-string &rest t)) - '(locally (declare (optimize (safety 0))) - (bit-bash-copy string2 - (the index - (+ (the index (* start2 vm:char-bits)) - vector-data-bit-offset)) - string1 - (the index - (+ (the index (* start1 vm:char-bits)) - vector-data-bit-offset)) - (the index - (* (min (the index (- (or end1 (length string1)) - start1)) - (the index (- (or end2 (length string2)) - start2))) - vm:char-bits))) - string1)) + '(locally (declare (optimize (safety 0))) + (bit-bash-copy string2 + (the vm::offset + (+ (the vm::offset (* start2 vm:char-bits)) + vector-data-bit-offset)) + string1 + (the vm::offset + (+ (the vm::offset (* start1 vm:char-bits)) + vector-data-bit-offset)) + (the vm::offset + (* (min (the vm::offset (- (or end1 (length string1)) + start1)) + (the vm::offset (- (or end2 (length string2)) + start2))) + vm:char-bits))) + string1))

;; The original version of this deftransform seemed to cause the ;; compiler to spend huge amounts of time deriving the type of the

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Summary of changes: src/compiler/generic/vm-fndb.lisp | 4 ++-- src/compiler/generic/vm-tran.lisp | 32 ++++++++++++++++---------------- 2 files changed, 18 insertions(+), 18 deletions(-)

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