https://gcc.gnu.org/bugzilla/show_bug.cgi?id=48037
Andrew Pinski changed:
What|Removed |Added
Resolution|--- |FIXED
See Also|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=48037
Andrew Pinski changed:
What|Removed |Added
Keywords||missed-optimization
Severity|n
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=48037
--- Comment #10 from Marc Glisse ---
We now generate just
sqrtpd %xmm0, %xmm0
for 2 and 4,
sqrtpd (%rdi), %xmm0
for 3, and
movupd (%rdi), %xmm0
sqrtpd %xmm0, %xmm0
for 1 (for alignment reasons I guess, the movu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48037
Marc Glisse changed:
What|Removed |Added
CC||glisse at gcc dot gnu.org
--- Com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48037
--- Comment #8 from Richard Guenther 2011-03-15
12:41:57 UTC ---
The patch fixed the pass-by-value cases to no longer go through stack memory.
The useless reg-reg moves prevail:
_Z6vsqrt2U8__vectord:
.LFB520:
.cfi_startproc
sqrts
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48037
--- Comment #7 from Richard Guenther 2011-03-15
12:22:18 UTC ---
Author: rguenth
Date: Tue Mar 15 12:22:12 2011
New Revision: 170986
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=170986
Log:
2011-03-15 Richard Guenther
PR tree-op
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48037
--- Comment #6 from Jeffrey A. Law 2011-03-14 15:54:57
UTC ---
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On 03/14/11 09:46, rguenth at gcc dot gnu.org wrote:
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48037
>
> --- Comment #5 from Richar
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48037
--- Comment #5 from Richard Guenther 2011-03-14
15:45:53 UTC ---
(In reply to comment #4)
> > --- Comment #3 from Eric Botcazou 2011-03-09
> > 12:01:10 UTC ---
> >> As of the register moves you are seeing, we have the long-time known
> >> prob
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48037
--- Comment #4 from Jeffrey A. Law 2011-03-14 15:39:53
UTC ---
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Hash: SHA1
On 03/09/11 05:01, ebotcazou at gcc dot gnu.org wrote:
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48037
>
> Eric Botcazou changed:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48037
Eric Botcazou changed:
What|Removed |Added
CC||ebotcazou at gcc dot
|
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48037
Richard Guenther changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48037
--- Comment #1 from Erik Schnetter 2011-03-09
03:32:42 UTC ---
Created attachment 23588
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=23588
Generated assembler code
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