Hardware 版 (精华区)

发信人: edmcgy (达达尼), 信区: Hardware
标  题:  DSP(Data Signal Processor)的应用(13)
发信站: 紫 丁 香 (Thu Apr 23 15:32:38 1998), 转信

Workaround/Solution

 WORKAROUND/SOLUTION
 ===================
  
 No workaround available. Problem will be fixed in next release.







 Title: The compiler may generate incorrect code for compare of two long vals.
 Bug #
                     Tool
                                  Version
                                               Fixed?
 SDSsq02453
                     Compiler
                                  V6.60
                                               Fixed, will appear in next release.
 Workaround/Solution

 WORKAROUND/SOLUTION
 ===================
  
 Problem will be fixed in next release.

 Bug Description

 The compiler may err when performing comparing two "long" expressions.
 When checking for overflow condition on the results of the compare
 it inadvertently resets the overflow bit, causing incorrect branch
 to be taken.
  
 i.e.
  
         long var1,var2;
  
         .
         .
         if ( var1 > -var2)    







 Title: Compiler may core dump when handling comma separated shift expressions..
 Bug #
                          Tool
                                            Version
                                                            Fixed?
 SDSsq02618
                          Compiler
                                            V6.60
                                                            Fixed, will appear in next release.
 Bug Description

 BUG DESCRIPTION
 ===============
  
 When handling this expression ...
  
         [memory operand] << [constant expression], [anything] the compiler may crash. For example: int i,j; i<<1, j++; 

 Workaround/Solution

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※ 来源:．紫 丁 香 bbs.hit.edu.cn．[FROM: edmcgy.hit.edu.c]