[cmucl-cvs] [git] CMU Common Lisp branch master updated. snapshot-2012-12-23-gbb144c9

[Raymond Toy]

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- Log -----------------------------------------------------------------
commit bb144c9d0f653d19d32bb1a703b445a651cb131f
Author: Raymond Toy <toy.raymond at gmail.com>
Date:   Tue Jan 1 10:34:38 2013 -0800

    Micro-optimization for move-from-signed, eliminating one inst.

diff --git a/src/compiler/sparc/move.lisp b/src/compiler/sparc/move.lisp
index 6ad7391..7b683b5 100644
--- a/src/compiler/sparc/move.lisp
+++ b/src/compiler/sparc/move.lisp
@@ -260,8 +260,7 @@
       ;; Frode Vatvedt Fjeld: (zerop (logand #b110 (1+ temp)))
       (inst srln temp x positive-fixnum-bits)
       (inst add temp 1)
-      (inst and temp #b110)
-      (inst cmp temp)
+      (inst andcc temp #b110)
       (inst b :eq done)
       (inst slln y x fixnum-tag-bits)
       

-----------------------------------------------------------------------

Summary of changes:
 src/compiler/sparc/move.lisp |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)


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