On Mon, Sep 14, 2020 at 07:06:29PM +0100, Matthew Wilcox wrote:
> $ objdump -d test.o
> :
>0: 89 f8 mov%edi,%eax
>2: 83 e0 03and$0x3,%eax
>5: c3 retq
>
> Please stop submitting uglifying patches wi
On Mon, Sep 14, 2020 at 07:43:38PM +0200, mateusznos...@gmail.com wrote:
> From: Mateusz Nosek
>
> When flags A and B have equal values than the following code
>
> if(flags1 & A)
> flags2 |= B;
>
> is equivalent to
>
> flags2 |= (flags1 & A);
>
> The latter code should generate less ins
On Mon, Sep 14, 2020 at 07:43:38PM +0200, mateusznos...@gmail.com wrote:
> From: Mateusz Nosek
>
> When flags A and B have equal values than the following code
>
> if(flags1 & A)
> flags2 |= B;
>
> is equivalent to
>
> flags2 |= (flags1 & A);
>
> The latter code should generate less ins
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