On Wed, Feb 26, 2020 at 12:30 AM Richard Biener wrote:
>
> On Wed, 26 Feb 2020, luoxhu wrote:
>
> > On 2020/2/18 17:57, Richard Biener wrote:
> > > On Tue, 18 Feb 2020, Xionghu Luo wrote:
> > >
> > >> Store-merging pass should run twice, the reason is pass fre/pre will do
> > >> some kind of optim
On Wed, 26 Feb 2020, Richard Biener wrote:
> On Wed, 26 Feb 2020, luoxhu wrote:
>
> > On 2020/2/18 17:57, Richard Biener wrote:
> > > On Tue, 18 Feb 2020, Xionghu Luo wrote:
> > >
> > >> Store-merging pass should run twice, the reason is pass fre/pre will do
> > >> some kind of optimizations to
On Wed, Feb 26, 2020 at 04:09:16PM +0800, luoxhu wrote:
> Thanks Richard, not sure about my understanding and please correct if any.
>
> I tried Jukub's latest patch of "sccvn: Handle bitfields in push_partial_def".
> Got to know fre pass checks the load instruction's vuse chain and do the
> cons
On Wed, 26 Feb 2020, luoxhu wrote:
> On 2020/2/18 17:57, Richard Biener wrote:
> > On Tue, 18 Feb 2020, Xionghu Luo wrote:
> >
> >> Store-merging pass should run twice, the reason is pass fre/pre will do
> >> some kind of optimizations to instructions by:
> >>1. Converting the load from addre
On 2020/2/18 17:57, Richard Biener wrote:
> On Tue, 18 Feb 2020, Xionghu Luo wrote:
>
>> Store-merging pass should run twice, the reason is pass fre/pre will do
>> some kind of optimizations to instructions by:
>>1. Converting the load from address to load from function arguments
>>(store_
On Tue, 18 Feb 2020, Xionghu Luo wrote:
> Store-merging pass should run twice, the reason is pass fre/pre will do
> some kind of optimizations to instructions by:
> 1. Converting the load from address to load from function arguments
> (store_merging_30.c:foo1).
> 2. Converting the byte acces
On Tue, Feb 18, 2020 at 03:27:39AM -0600, Xionghu Luo wrote:
> Store-merging pass should run twice, the reason is pass fre/pre will do
> some kind of optimizations to instructions by:
> 1. Converting the load from address to load from function arguments
> (store_merging_30.c:foo1).
> 2. Conve
Store-merging pass should run twice, the reason is pass fre/pre will do
some kind of optimizations to instructions by:
1. Converting the load from address to load from function arguments
(store_merging_30.c:foo1).
2. Converting the byte access to BIT_FIELD_REF(store_merging_30.c:foo2).
3. O
