gcc-9-20191102 is now available

2019-11-02 Thread gccadmin
Snapshot gcc-9-20191102 is now available on ftp://gcc.gnu.org/pub/gcc/snapshots/9-20191102/ and on various mirrors, see http://gcc.gnu.org/mirrors.html for details. This snapshot has been generated from the GCC 9 SVN branch with the following options: svn://gcc.gnu.org/svn/gcc/branches/gcc-9

Re: cc0 -> CCmode questions

2019-11-02 Thread Segher Boessenkool
On Sat, Nov 02, 2019 at 10:14:15AM -0600, Jeff Law wrote: > On 11/2/19 9:51 AM, Georg-Johann Lay wrote: > > Segher Boessenkool schrieb: > >>> Btw, does GCC support clobbering registers in branches (or > >>> cbranch4 for that matter)?  This requirement would come up when > >>> transitioning avr to c

Re: Fixing cvs2svn branchpoints

2019-11-02 Thread Eric S. Raymond
Joseph Myers : > And here are corresponding lists of tags where the commit cvs2svn > generated for the tag should be reparented. Make that issue 2, please. Also, open an issue 3 about how you want those mid-branch deletes handled. I agree that the right thing is just to nuke them, but I have a

Re: cc0 -> CCmode questions

2019-11-02 Thread Jeff Law
On 11/2/19 9:51 AM, Georg-Johann Lay wrote: > Segher Boessenkool schrieb: >>> Btw, does GCC support clobbering registers in branches (or >>> cbranch4 for that matter)?  This requirement would come up when >>> transitioning avr to cc_mode because cbranches would live post reload. >> >> Of course.  Y

cc0 -> CCmode questions

2019-11-02 Thread Georg-Johann Lay
Segher Boessenkool schrieb: Btw, does GCC support clobbering registers in branches (or cbranch4 for that matter)? This requirement would come up when transitioning avr to cc_mode because cbranches would live post reload. Of course. You cannot have *reloads* on branches, that is all. Segher