[Icc-mot] Interesting Optimizations

[Richard Man]

I will fix it...

At 10:53 AM 4/4/2008, Edward Karpicz wrote:
>Gene,
>
>>Yes, I didn't want to muddy the waters though.
>
>
>Acctually I muddied waters, sorry. You are rigth, you found the bug. 
>Richard, please fix it. Reconstructing minimal code:
>
>
>void main(void)
>{
>short i, j;
>
>   i = (i << 8) + 1;
>   j = (j << 8) | 2;
>}
>
>listing:
>
>                        .area text
>                ;              j -> 0,SP
>                ;              i -> 2,SP
>0000           _main::
>0000 1B9C              leas -4,S
>0002           ; void main(void)
>0002           ; {
>0002           ; short i, j;
>0002           ;
>0002           ;    i = (i << 8) + 1;
>0002 A682              ldaa 2,S    <<<#### - should be   ldaa 2+1,S
>0004 C601              ldab #1
>0006 B746              tfr D,Y
>0008 6D82              sty 2,S
>000A           ;    j = (j << 8) | 2;
>000A A680              ldaa 0,S    <<<#### - should be   ldaa 0+1,S
>000C C602              ldab #2
>000E B746              tfr D,Y
>0010 6C80              std 0,S
>0012           L1:
>0012                   .dbline 0 ; func end
>0012 1B84              leas 4,S
>0014 3D                rts
>
>Edward
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// richard (This email is for mailing lists. To reach me directly, 
please use richard at imagecraft.com)