Bug in h8300.c

Fri May 9 03:23:00 GMT 1997

 This bug still exists in the b18 sources...
______________________________ Reply Separator _________________________________
Subject: Re: Bug in h8300.c
Author: Geoffrey Noer <noer@cygnus.com> at Internet
Date: 5/8/97 3:01 PM
This was already fixed in development sources. Thanks anyway...

Geoff

Scott Mintz wrote:
>> I built a cygwin32 cross compiler for the H8300-hms on a WinNT machine 
> using the 17.1 CDK.
>> The file h8300.c in the gcc/config/h8300 subdirectory has the 
> following defined:
>> /* Output assembly language code for the function prologue. */ 
> static int push_order[FIRST_PSEUDO_REGISTER] =
> {0, 1, 2, 3, 4, 5, 6, -1, -1};
> static int pop_order[FIRST_PSEUDO_REGISTER] = 
> {6, 5, 4, 3, 2, 1, 0, -1, -1};
>> where FIRST_PSEUDO_REGISTER is defined to be 10. 
>> The last item in the above arrays gets defined as 0 because there are 
> only 9 initializers instead of 10.
>> This causes the generated interrupt prologue/epilogue code to be 
> incorrect.
>> The arrays should be defined this way: 
>> /* Output assembly language code for the function prologue. */ 
> static int push_order[FIRST_PSEUDO_REGISTER] =
> {0, 1, 2, 3, 4, 5, 6, -1, -1, -1};
> static int pop_order[FIRST_PSEUDO_REGISTER] = 
> {6, 5, 4, 3, 2, 1, 0, -1, -1, -1};
>> +------------------------------+------------------------------------+ 
> | Scott A. Mintz | voice: (216) 646-4805 | 
> | Allen-Bradley Company | fax: (216) 646-4961 | 
> | 1 Allen-Bradley Drive | email: scott.mintz@po.cle.ab.com | 
> | Mayfield Hts., OH 44124-6118 | CIS: 71461,632 | 
> +------------------------------+------------------------------------+ 
>> -
> For help on using this list (especially unsubscribing), send a message to 
> "gnu-win32-request@cygnus.com" with one line of text: "help".
> 

-- 
Geoffrey Noer
noer@cygnus.com
-
For help on using this list (especially unsubscribing), send a message to
"gnu-win32-request@cygnus.com" with one line of text: "help".