https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117669
Feng Wang changed:
What|Removed |Added
CC||wangfeng at eswincomputing dot
com
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109592
--- Comment #8 from Feng Wang ---
(In reply to Jeffrey A. Law from comment #7)
> Attached is what I cobbled together. It doesn't use magic numbers. But it
> doesn't yet handle zero extensions in the simplify-rtx code. But I think it
> shows t
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109592
--- Comment #5 from Feng Wang ---
I found something interesting, these operations such as
zero_extend,sign_extend,zero_extract,sign_extract will be considered as
compound operation and will transform to the approriate shifts and AND
operations(T
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109592
--- Comment #2 from Feng Wang ---
(In reply to Feng Wang from comment #1)
> Hi Jeff,
>
> I have modified some code according to your suggestion.
> In simplify-rtx.cc I add below part in canonicalize_shift:
> if ((code == ASHIFTRT)
>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109592
Feng Wang changed:
What|Removed |Added
CC||wangfeng at eswincomputing dot
com
--- Com
