| Message ID | DB6PR0802MB25048CBE894B5E971063BDDEE7A50@DB6PR0802MB2504.eurprd08.prod.outlook.com |
|---|---|
| State | New |
| Headers | show |
| Series | [wwwdocs] Mention -ftree-loop-distribution | expand |
On Tue, 3 Apr 2018, Bin Cheng wrote: > Option -ftree-loop-distribution is improved and enabled by default at > -O3 for GCC8. This patch describes the change, is it OK? Index: htdocs/gcc-8/changes.html =================================================================== + Classical loop nest optimization pass <code>-ftree-loop-distribution</code> "The classic loop nest..." (i.e., add the article and I believe classic is more appropriate than classical which connotates the arts,...). + It supports loop nest distribution in some restricted scenarios; it also + supports cancellable innermost loop distribution with loop versioning + under runtime alias checks. I believe that would be "run-time" (per codingconventions.html)? Fine with the change above and considering the second comment. Thank you, Gerald Index: htdocs/gcc-8/changes.html =================================================================== RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-8/changes.html,v retrieving revision 1.51 diff -u -r1.51 changes.html --- htdocs/gcc-8/changes.html 3 Apr 2018 06:52:04 -0000 1.51 +++ htdocs/gcc-8/changes.html 3 Apr 2018 14:26:31 -0000 @@ -101,6 +101,13 @@ are enabled by default at <code>-O3</code> and above. </li> <li> + Classical loop nest optimization pass <code>-ftree-loop-distribution</code> + has been improved and enabled by default at <code>-O3</code> and above. + It supports loop nest distribution in some restricted scenarios; it also + supports cancellable innermost loop distribution with loop versioning + under runtime alias checks. + </li> + <li> The new option <code>-fstack-clash-protection</code> causes the compiler to insert probes whenever stack space is allocated statically or dynamically to reliably detect stack overflows and
On Wed, Apr 4, 2018 at 8:08 AM, Gerald Pfeifer <gerald@pfeifer.com> wrote: > On Tue, 3 Apr 2018, Bin Cheng wrote: >> Option -ftree-loop-distribution is improved and enabled by default at >> -O3 for GCC8. This patch describes the change, is it OK? > > Index: htdocs/gcc-8/changes.html > =================================================================== > + Classical loop nest optimization pass <code>-ftree-loop-distribution</code> > > "The classic loop nest..." (i.e., add the article and I believe classic > is more appropriate than classical which connotates the arts,...). > > + It supports loop nest distribution in some restricted scenarios; it also > + supports cancellable innermost loop distribution with loop versioning > + under runtime alias checks. > > I believe that would be "run-time" (per codingconventions.html)? > > Fine with the change above and considering the second comment. Thanks for the suggestions, attachment is the updated change. Thanks, bin > > Thank you, > Gerald Index: htdocs/gcc-8/changes.html =================================================================== RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-8/changes.html,v retrieving revision 1.51 diff -u -r1.51 changes.html --- htdocs/gcc-8/changes.html 3 Apr 2018 06:52:04 -0000 1.51 +++ htdocs/gcc-8/changes.html 4 Apr 2018 08:55:11 -0000 @@ -101,6 +101,13 @@ are enabled by default at <code>-O3</code> and above. </li> <li> + The classic loop nest optimization pass <code>-ftree-loop-distribution</code> + has been improved and enabled by default at <code>-O3</code> and above. + It supports loop nest distribution in some restricted scenarios; it also + supports cancellable innermost loop distribution with loop versioning + under run-time alias checks. + </li> + <li> The new option <code>-fstack-clash-protection</code> causes the compiler to insert probes whenever stack space is allocated statically or dynamically to reliably detect stack overflows and
On Wed, 4 Apr 2018, Bin.Cheng wrote:
> Thanks for the suggestions, attachment is the updated change.
Ah, I thought (and would have been fine) you'd go ahead and commit
with those changes. ;-)
Yes, this is okay. Thanks,
Gerald
On 04/03/2018 09:51 AM, Bin Cheng wrote: > Hi, > > Option -ftree-loop-distribution is improved and enabled by default at -O3 for GCC8. > This patch describes the change, is it OK? Yes. This is fine. jeff
Index: htdocs/gcc-8/changes.html =================================================================== RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-8/changes.html,v retrieving revision 1.51 diff -u -r1.51 changes.html --- htdocs/gcc-8/changes.html 3 Apr 2018 06:52:04 -0000 1.51 +++ htdocs/gcc-8/changes.html 3 Apr 2018 14:26:31 -0000 @@ -101,6 +101,13 @@ are enabled by default at <code>-O3</code> and above. </li> <li> + Classical loop nest optimization pass <code>-ftree-loop-distribution</code> + has been improved and enabled by default at <code>-O3</code> and above. + It supports loop nest distribution in some restricted scenarios; it also + supports cancellable innermost loop distribution with loop versioning + under runtime alias checks. + </li> + <li> The new option <code>-fstack-clash-protection</code> causes the compiler to insert probes whenever stack space is allocated statically or dynamically to reliably detect stack overflows and