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[Bug target/77308] surprisingly large stack usage for sha512 on arm
- From: "bernd.edlinger at hotmail dot de" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 01 Nov 2016 16:11:05 +0000
- Subject: [Bug target/77308] surprisingly large stack usage for sha512 on arm
- Auto-submitted: auto-generated
- References: <bug-77308-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77308
--- Comment #43 from Bernd Edlinger <bernd.edlinger at hotmail dot de> ---
(In reply to wilco from comment #41)
>
> ARM only uses the 2nd alternative (set_attr "arch" "any,a,t2,t2"), so this
> is correct. There is no need to support this pattern for ARM as ARM doesn't
> have ORN, and we expand early the whole pattern becomes redundant.
Oh I see. Thanks for clarifying that.