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* [Bug target/98020] New: PPC: mfvsrwz+extsw not merge to mtvsrwa
@ 2020-11-26 19:12 jens.seifert at de dot ibm.com
2020-12-08 23:15 ` [Bug target/98020] PPC: mfvsrwz+extsw not merged " segher at gcc dot gnu.org
2020-12-08 23:22 ` jens.seifert at de dot ibm.com
0 siblings, 2 replies; 3+ messages in thread
From: jens.seifert at de dot ibm.com @ 2020-11-26 19:12 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98020
Bug ID: 98020
Summary: PPC: mfvsrwz+extsw not merge to mtvsrwa
Product: gcc
Version: 8.3.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: jens.seifert at de dot ibm.com
Target Milestone: ---
int extract(vector signed int v)
{
return v[2];
}
Command line:
gcc -mcpu=power8 -maltivec -m64 -O3 -save-temps extract.C
Output:
_Z7extractDv4_i:
.LFB0:
.cfi_startproc
mfvsrwz 3,34
extsw 3,3
blr
^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug target/98020] PPC: mfvsrwz+extsw not merged to mtvsrwa
2020-11-26 19:12 [Bug target/98020] New: PPC: mfvsrwz+extsw not merge to mtvsrwa jens.seifert at de dot ibm.com
@ 2020-12-08 23:15 ` segher at gcc dot gnu.org
2020-12-08 23:22 ` jens.seifert at de dot ibm.com
1 sibling, 0 replies; 3+ messages in thread
From: segher at gcc dot gnu.org @ 2020-12-08 23:15 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98020
Segher Boessenkool <segher at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |WAITING
Last reconfirmed| |2020-12-08
Ever confirmed|0 |1
--- Comment #1 from Segher Boessenkool <segher at gcc dot gnu.org> ---
mtvsrwa is the wrong way around, and mfvsrwa does not exist. Am I missing
anything?
^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug target/98020] PPC: mfvsrwz+extsw not merged to mtvsrwa
2020-11-26 19:12 [Bug target/98020] New: PPC: mfvsrwz+extsw not merge to mtvsrwa jens.seifert at de dot ibm.com
2020-12-08 23:15 ` [Bug target/98020] PPC: mfvsrwz+extsw not merged " segher at gcc dot gnu.org
@ 2020-12-08 23:22 ` jens.seifert at de dot ibm.com
1 sibling, 0 replies; 3+ messages in thread
From: jens.seifert at de dot ibm.com @ 2020-12-08 23:22 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98020
Jens Seifert <jens.seifert at de dot ibm.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|WAITING |RESOLVED
Resolution|--- |INVALID
--- Comment #2 from Jens Seifert <jens.seifert at de dot ibm.com> ---
I thought they are symmetric.
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2020-12-08 23:22 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2020-11-26 19:12 [Bug target/98020] New: PPC: mfvsrwz+extsw not merge to mtvsrwa jens.seifert at de dot ibm.com
2020-12-08 23:15 ` [Bug target/98020] PPC: mfvsrwz+extsw not merged " segher at gcc dot gnu.org
2020-12-08 23:22 ` jens.seifert at de dot ibm.com
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