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[Bug target/78823] Poor code on PowerPC when moving SFmode values between GPRs and vector registers
- From: "meissner at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 15 Dec 2016 21:56:31 +0000
- Subject: [Bug target/78823] Poor code on PowerPC when moving SFmode values between GPRs and vector registers
- Auto-submitted: auto-generated
- References: <bug-78823-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78823
Michael Meissner <meissner at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target| |powerpc64-linux-gnu,
| |powerpc64le-linux-gnu
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed| |2016-12-15
Known to work| |4.8.5
Host| |powerpc64-linux-gnu,
| |powerpc64le-linux-gnu
Ever confirmed|0 |1
Build| |powerpc64-linux-gnu,
| |powerpc64le-linux-gnu
--- Comment #1 from Michael Meissner <meissner at gcc dot gnu.org> ---
This has been a bug since GCC 4.9. GCC 4.8 generated the correct code with
-mcpu=power8.