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1.0.15.19: use TEST X X when possible in SIGNED-BYTE-*-LEN VOPS
[sbcl.git]
/
OPTIMIZATIONS
diff --git
a/OPTIMIZATIONS
b/OPTIMIZATIONS
index
47a7e41
..
0308f85
100644
(file)
--- a/
OPTIMIZATIONS
+++ b/
OPTIMIZATIONS
@@
-162,15
+162,6
@@
through TYPEP UNBOXED-ARRAY, within the compiler itself.
rather than either constant-folding or manipulating NIL-VALUE or
NULL-TN directly.
--------------------------------------------------------------------------------
rather than either constant-folding or manipulating NIL-VALUE or
NULL-TN directly.
--------------------------------------------------------------------------------
-#19
- (let ((dx (if (foo)
- (list x)
- (list y z))))
- (declare (dynamic-extent dx))
- ...)
-
-DX is not allocated on stack.
---------------------------------------------------------------------------------
#20
(defun-with-dx foo (x)
(flet ((make (x)
#20
(defun-with-dx foo (x)
(flet ((make (x)