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<h3>Raymond Toy pushed to branch rtoy-setexception-inexact at <a href="https://gitlab.common-lisp.net/cmucl/cmucl">cmucl / cmucl</a></h3>
<h4>
Commits:
</h4>
<ul>
<li>
<strong><a href="https://gitlab.common-lisp.net/cmucl/cmucl/commit/38e8ce5c1084e1c55f90028829c7491a47909835">38e8ce5c</a></strong>
<div>
<span>by Raymond Toy</span>
<i>at 2015-12-26T09:09:56Z</i>
</div>
<pre class='commit-message'>Fix bug on sparc and clean up.
On sparc and ppc (setf vm:floating-point-modes) takes an
(unsigned-byte 32) arg, so adjust the ldb byte appopriately.
Clean up code by putting the docstring into the macro.</pre>
</li>
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<h4>1 changed file:</h4>
<ul>
<li class='file-stats'>
<a href='#diff-0'>
src/code/float-trap.lisp
</a>
</li>
</ul>
<h4>Changes:</h4>
<li id='diff-0'>
<a href='https://gitlab.common-lisp.net/cmucl/cmucl/commit/38e8ce5c1084e1c55f90028829c7491a47909835#diff-0'>
<strong>
src/code/float-trap.lisp
</strong>
</a>
<hr>
<pre class="highlight"><code><span style="color: #000000;background-color: #ffdddd">--- a/src/code/float-trap.lisp
</span><span style="color: #000000;background-color: #ddffdd">+++ b/src/code/float-trap.lisp
</span><span style="color: #aaaaaa">@@ -374,6 +374,7 @@
</span> (let ((macro-name (symbolicate "WITH-FLOAT-TRAPS-" name)))
`(progn
(defmacro ,macro-name (traps &body body)
<span style="color: #000000;background-color: #ddffdd">+ ,docstring
</span> (let ((traps (dpb (float-trap-mask traps) float-traps-byte 0))
(exceptions (dpb (float-trap-mask traps) float-sticky-bits 0))
(trap-mask (dpb (lognot (float-trap-mask traps))
<span style="color: #aaaaaa">@@ -397,7 +398,9 @@
</span> (unwind-protect
(progn
(setf (floating-point-modes)
<span style="color: #000000;background-color: #ffdddd">- (ldb (byte 24 0)
</span><span style="color: #000000;background-color: #ddffdd">+ (ldb (byte #+x86 24
+ #-x86 32
+ 0)
</span> (,',logical-op ,orig-modes ,(logand trap-mask exception-mask))))
,@body)
;; Restore the original traps and exceptions.
<span style="color: #aaaaaa">@@ -407,25 +410,22 @@
</span> ,(logand trap-mask exception-mask)
#+ppc
,invalid-mask
<span style="color: #000000;background-color: #ffdddd">- #+mips ,(dpb 0 float-exceptions-byte #xffffffff))))))))
- ;; Set the docstring appropriately
- (setf (c::info function documentation ',macro-name)
- ,docstring)))))
</span><span style="color: #000000;background-color: #ddffdd">+ #+mips ,(dpb 0 float-exceptions-byte #xffffffff))))))))))))
</span> ;; Masked and Enabled only differ whether we AND in the bits or OR
;; them.
(with-float-traps masked logand
<span style="color: #000000;background-color: #ffdddd">- "Execute BODY with the floating point exceptions listed in TRAPS
- disabled. TRAPS should be a list of possible exceptions which
- includes :UNDERFLOW, :OVERFLOW, :INEXACT, :INVALID and
</span><span style="color: #000000;background-color: #ddffdd">+ _N"Execute BODY with the floating point exceptions listed in TRAPS
+ masked (disabled). TRAPS should be a list of possible exceptions
+ which includes :UNDERFLOW, :OVERFLOW, :INEXACT, :INVALID and
</span> :DIVIDE-BY-ZERO and on the X86 :DENORMALIZED-OPERAND. The respective
accrued exceptions are cleared at the start of the body to support
their testing within, and restored on exit.")
<span style="color: #000000;background-color: #ddffdd">+
</span> (with-float-traps enabled logorc2
<span style="color: #000000;background-color: #ffdddd">- "Execute BODY with the floating point exceptions listed in TRAPS
</span><span style="color: #000000;background-color: #ddffdd">+ _N"Execute BODY with the floating point exceptions listed in TRAPS
</span> enabled. TRAPS should be a list of possible exceptions which
includes :UNDERFLOW, :OVERFLOW, :INEXACT, :INVALID and
:DIVIDE-BY-ZERO and on the X86 :DENORMALIZED-OPERAND. The respective
accrued exceptions are cleared at the start of the body to support
their testing within, and restored on exit."))
<span style="color: #000000;background-color: #ffdddd">-;; Set up the appropriate documentation for these macros
</span>
</code></pre>
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