[sdcc-devel] [ sdcc-Feature Requests-1793872 ] multiply by -1 not collapsed

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Feature Requests item #1793872, was opened at 2007-09-13 12:21
Message generated for change (Comment added) made by sf-robot
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Category: None
Group: None
>Status: Closed
Priority: 5
Private: No
Submitted By: Rich Walker (richwalker)
Assigned to: Borut Raem (borutr)
Summary:  multiply by -1 not collapsed

Initial Comment:
SDCC (for pic16) doesn't turn  
short a;
void foo(void) {
  a = -1*a;
}
into
a = - a;

sdcc -c -mpic16  --denable-peeps --optimize-goto --optimize-cmp --optimize-df  --verbose --i-code-in-asm main.c 

sdcc -v
SDCC : mcs51/gbz80/z80/avr/ds390/pic16/pic14/TININative/xa51/ds400/hc08 2.7.2 #4901 (Aug 20 2007) (UNIX)rw@woodstock:~/Projects/sdcc_test$ 


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>Comment By: SourceForge Robot (sf-robot)
Date: 2008-10-20 02:21

Message:
This Tracker item was closed automatically by the system. It was
previously set to a Pending status, and the original submitter
did not respond within 14 days (the time period specified by
the administrator of this Tracker).

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Comment By: Maarten Brock (maartenbrock)
Date: 2008-10-05 21:07

Message:
I assume this is fixed now in revision #5248.

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Comment By: Borut Raem (borutr)
Date: 2008-01-20 00:15

Message:
Logged In: YES 
user_id=568035
Originator: NO

Re-qualified to f Feature request.
Fixed multiplication with -1 in svn revision #4996.
Division with -1 still has to be fixed.

Borut

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You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=350599&aid=1793872&group_id=599