[fpc-devel] ARM compiler. Internal error 200312022
jura at ce.blagovest.com
Mon Jul 4 08:18:40 CEST 2005
From: "Florian Klaempfl" <F.Klaempfl at gmx.de>
>>>> i: integer;
>>>> Yury Sidorov.
>>> Fixed, hopefully I didn't destroy much because I didn't test the fix.
>>> Maybe you can create a system.s before applying the patch and diff it
>>> with a system.s from the new ppcarm.
>> system.s is generated properly as before.
>> But fix is incorrect. The following strange code is generated for
> 123 is not aligned to a 32 bit boundary so byte moves are generated (try
> with 120 instead), at least arm-linux require proper alignment. I agree
> that the code is suboptimal and that it should generate 4 ld/st
> instructions but the code is correct imo.
>> ldr r0,.L9
>> mov r3,#123
>> mov r1,#4
>> ldrb r2,[r3], #1
>> subs r1,r1,#1
>> strb r2,[r0], #1
>> bne .L10
>> .long U_P$TEST_I
Indeed, it must be processed in such way. With address 120 the code is much
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