]> birchwood-abbey.net Git - mit-scheme.git/commit
projects / mit-scheme.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: a49de16) | patch
Add open coding for bit-wise boolean operations, and
authorGuillermo J. Rozas <edu/mit/csail/zurich/gjr>
Tue, 26 Jun 1990 22:07:13 +0000 (22:07 +0000)
committerGuillermo J. Rozas <edu/mit/csail/zurich/gjr>
Tue, 26 Jun 1990 22:07:13 +0000 (22:07 +0000)
commitbead59c0c004f48f128db16d9551b04389d2a1e3
tree9fc1c5fb25629f9f58cd7fa5e079e7925fe00830tree | snapshot
parenta49de16ae1ceaa888f09bfc9108ac1d3599103e0commit | diff
Add open coding for bit-wise boolean operations, and
primitive-object-ref/set! .

Enable the open coding of fixnum-quotient and fixnum-remainder.

Add optimizations for these operations when the second operand is a
power of 2 (tricky, see GLS's paper "Arithmetic shifting considered
harmful").
v7/src/compiler/machines/bobcat/make.scm-68040 diff | blob | history
MIT/GNU Scheme is an implementation of the Scheme programming