Keil forum Keil5 compiler issue

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Keil5 compiler issue

JackShan over 5 years ago

Since I use level 3 (-O3) optimization in keil5，it is irrelevant with the with the value of the sentence

" !IS_POOL_ALIGNED(pPool, OS_MEM_POOL_BASE_ALIGN) ",

the judgement "if (!IS_POOL_ALIGNED(pPool, OS_MEM_POOL_BASE_ALIGN))" is always true,

so I always get "return LOS_NOK"

But if I use level 0 (-O0) , every thing is fun, why?

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 if (!IS_POOL_ALIGNED(pPool, OS_MEM_POOL_BASE_ALIGN))
        return LOS_NOK;
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 if (!IS_POOL_ALIGNED(pPool, OS_MEM_POOL_BASE_ALIGN))
        return LOS_NOK;