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Carl Shapiro
cmucl
Commits
549c1e26
Commit
549c1e26
authored
11 years ago
by
Raymond Toy
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src/general-info/release-20f.txt
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549c1e26
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@@ -21,7 +21,10 @@ New in this release:
* Known issues:
* Feature enhancements
* Trig functions are signficantly faster.
* Accuracy of trig functions improved. (Previously, they could be
off by one or two ulp.)
* Changes
* Update to ASDF 3.0.3.
* When *PRINT-CASE* is :DOWNCASE, integers are printed with
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@@ -29,13 +32,32 @@ New in this release:
* Micro-optimize KERNEL:DOUBLE-FLOAT-BITS for x86/sse2.
* Add micro-optimization for unary FTRUNCATE for x86/sse2.
* Compiler can derive the types of the results of DECODE-FLOAT.
* Main disassembly routines in the DISASSEMBLE package accept
:BASE, :CASE, and :RADIX keyword arguments, like
DISASSEMBLE:DISASSEMBLE.
* Micro optimizations for sse2 to allow descriptor regs for many
operations so that the operands can be in memory instead of a
register, thereby removing a register load instruction.
* Support for darwin/ppc 10.5 and gcc 4.8.
* Micro-optimization: (expt -1 power) just returns -1 or 1
without actually computing the power.
* ANSI compliance fixes:
* The values on the branch cuts for the inverse trig and
hyperbolic functions have been updated. Instead of following
the text in the CLHS, the values are defined according to the
definitions in the formulas. In particular (atanh x) for x real
and on the branch cut is now continuous with different
quadrants. This differs from the description of the branch cut
for atanh in the CLHS.
* Bugfixes:
* Fix error in pi reduction on x87. It was not noticed previously
because the returned values were not used optimally.
* Better error message for empty cond clauses.
* Trac Tickets:
* Ticket #90 fixed.
* Other changes:
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