chicken-janitors
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[Chicken-janitors] Re: #64: "maze" benchmark produces incorrect result w


From: Chicken Trac
Subject: [Chicken-janitors] Re: #64: "maze" benchmark produces incorrect result when compiled wirth -block on x86-64
Date: Thu, 06 Aug 2009 09:50:49 -0000

#64: "maze" benchmark produces incorrect result when compiled wirth -block on
x86-64
----------------------------+-----------------------------------------------
 Reporter:  felix           |       Owner:       
     Type:  defect          |      Status:  new  
 Priority:  critical        |   Milestone:  4.2.0
Component:  core libraries  |     Version:  4.1.x
 Keywords:                  |  
----------------------------+-----------------------------------------------

Comment(by felix):

 Replying to [comment:3 sjamaan]:
 > The bitwise-and with a large unsigned integer on line 239 in maze.scm
 causes the result to be unsigned.
 >
 > {{{(bitwise-and -1 4611686018427387902) => 4611686018427387902}}}

 Isn't that correct?

 BTW, block mode will have an influence because of increased constant
 folding.

-- 
Ticket URL: <http://www.irp.oist.jp/trac/chicken/ticket/64#comment:4>
Chicken Scheme <http://www.call-with-current-continuation.org/>
Chicken Scheme is a compiler for the Scheme programming language.

reply via email to

[Prev in Thread] Current Thread [Next in Thread]