More efficient MASK-SIGNED-FIELD
authorPaul Khuong <pvk@pvk.ca>
Fri, 17 May 2013 21:44:12 +0000 (17:44 -0400)
committerPaul Khuong <pvk@pvk.ca>
Sat, 18 May 2013 01:25:41 +0000 (21:25 -0400)
commit4043a71ea8933843efb6598c40f3371b754dae69
treeae49866b6d156cb576f7c008bf4304c5b8119c21
parent46f4a60387df5259b0e355169dccd97f541a8c31
More efficient MASK-SIGNED-FIELD

 Word => signed-word and {word, signed-word} => fixnum conversions
 are implemented with unchecked move VOPs.
src/compiler/ir2tran.lisp