https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68529
amker at gcc dot gnu.org changed:
What|Removed |Added
Status|ASSIGNED|RESOLVED
Resolution|--
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68529
--- Comment #7 from amker at gcc dot gnu.org ---
Author: amker
Date: Tue Dec 1 05:22:16 2015
New Revision: 231097
URL: https://gcc.gnu.org/viewcvs?rev=231097&root=gcc&view=rev
Log:
PR tree-optimization/68529
* tree-ssa-loop-nite
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68529
--- Comment #6 from majun ---
(In reply to bin.cheng from comment #5)
> The dump before ldist is as below:
>
> foo1 ()
> {
> unsigned int nchar;
> char c[1];
>
> :
> c = {};
>
> :
> # nchar_14 = PHI
> c[nchar_14] = 65;
> n
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68529
--- Comment #5 from bin.cheng ---
The dump before ldist is as below:
foo1 ()
{
unsigned int nchar;
char c[1];
:
c = {};
:
# nchar_14 = PHI
c[nchar_14] = 65;
nchar_5 = nchar_14 + 4294967295;
if (nchar_14 != 0)
goto ;
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68529
amker at gcc dot gnu.org changed:
What|Removed |Added
CC||amker at gcc dot gnu.org
--- C
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68529
--- Comment #3 from rguenther at suse dot de ---
On Wed, 25 Nov 2015, majun4950646 at 163 dot com wrote:
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68529
>
> --- Comment #2 from majun ---
> (In reply to Richard Biener from comment #1)
> >
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68529
--- Comment #2 from majun ---
(In reply to Richard Biener from comment #1)
> Confirmed, mine. This happens because get_inner_reference converts nchar_14
> to sizetype and thus we analyze the evolution of (uint64_t) nchar_14 which
> isn't affine
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68529
Richard Biener changed:
What|Removed |Added
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed|
