[fpc-devel] Finally fixed that MOVZX/SX optimisation!

Sven Barth pascaldragon at googlemail.com
Wed Feb 19 22:03:27 CET 2020


Am 19.02.2020 um 20:37 schrieb Florian Klämpfl:
> Am 19.02.20 um 11:23 schrieb Sven Barth via fpc-devel:
>> J. Gareth Moreton <gareth at moreton-family.com 
>> <mailto:gareth at moreton-family.com>> schrieb am Mi., 19. Feb. 2020, 
>> 01:40:
>>
>>     Ah, I understand, thank you.
>>
>>     I chose those two tests in particular because the design with 
>> multiple
>>     typecasts opens it up to a lot of peephole optimisations.
>>
>>
>> The nightly testsuite is run multiple times with different settings, 
>> so as Joost said it shouldn't be necessary to single out tests for 
>> optimization levels.
>>
>
> If a particular bug is known to be only triggered by a certain 
> combination of command line switches, the test should be run always 
> with these switches imo.

But then in this specific case the test should be duplicated (as J. 
Gareth had done in his patch), maybe even moved to a different 
directory, cause the original test is *not* about the optimization.

Regards,
Sven


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