https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79202
Michael Meissner changed:
What|Removed |Added
Status|NEW |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79202
--- Comment #7 from Michael Meissner ---
Author: meissner
Date: Tue May 9 23:49:37 2017
New Revision: 247820
URL: https://gcc.gnu.org/viewcvs?rev=247820&root=gcc&view=rev
Log:
[gcc]
2017-05-09 Michael Meissner
Back port from mainlin
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79202
--- Comment #6 from Michael Meissner ---
Author: meissner
Date: Fri May 5 20:21:15 2017
New Revision: 247657
URL: https://gcc.gnu.org/viewcvs?rev=247657&root=gcc&view=rev
Log:
[gcc]
2017-05-05 Michael Meissner
PR target/79038
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79202
--- Comment #5 from Segher Boessenkool ---
Can't this just use a friz? If the cast to int wouldn't fit in
an int it is undefined behaviour.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79202
--- Comment #4 from Michael Meissner ---
Created attachment 40609
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40609&action=edit
Proposed patch to fix the problem.
This patch is believed to fix the following PRs
* target/79038 (__float
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79202
--- Comment #3 from Peter Bergner ---
(In reply to Peter Bergner from comment #2)
> Can we instead do:
>
> xscvdpsxws 32,1
> vupkhsw 1,0
> xvcvsxwdp 3,33
Replying to myself, the answer is no, the vupkhsw doesn't write it
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79202
--- Comment #2 from Peter Bergner ---
(In reply to Michael Meissner from comment #0)
> It may be more optimal to generate something like:
>
> xscvdpsxws 32,1
> vupkhsw 1,0
> xxpermdi 2,33,33,3
> fcfid 3,2
Can we
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79202
Peter Bergner changed:
What|Removed |Added
CC||bergner at gcc dot gnu.org
--- Comment #
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79202
Michael Meissner changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
