Dealing with alignment on atomic operations.

2012-08-10 Thread Andrew MacLeod
I punted on determinig what to do with alignment issues when implementing atomics for 4.7. The time has come however to address what is to be done. I've put together a wiki page and discussed its contents with a few people to get this cut. Hopefully it seems reasonably sane. :-) I've added

Re: New GCC takes 19x as long to compile my program (compared to old GCC), plus void** patch suggestion

2012-08-10 Thread Elmar Krieger
Hi Ian, hi Richard, hi Andi! Many thanks for your comments. >>> The slowdown is not the same with other files, so I'm essentially sure >>> that this specific source file has some 'feature' that catches GCC at >>> the wrong leg. This raises my hopes that one of the GCC experts wants >>> to take a

Re: New GCC takes 19x as long to compile my program (compared to old GCC), plus void** patch suggestion

2012-08-10 Thread Andrew Haley
On 08/10/2012 04:44 PM, Elmar Krieger wrote: > I downloaded the latest official GCC 4.7.1, but unfortunately configure > stopped with "Building GCC requires GMP 4.2+, MPFR 2.3.1+ and MPC > 0.8.0+.", and for my CentOS Linux, only older versions of this libs are > available as RPMs. Go into the t

Re: New GCC takes 19x as long to compile my program (compared to old GCC), plus void** patch suggestion

2012-08-10 Thread Jonathan Wakely
On 10 August 2012 16:53, Andrew Haley wrote: > On 08/10/2012 04:44 PM, Elmar Krieger wrote: >> I downloaded the latest official GCC 4.7.1, but unfortunately configure >> stopped with "Building GCC requires GMP 4.2+, MPFR 2.3.1+ and MPC >> 0.8.0+.", and for my CentOS Linux, only older versions of th

Re: Excluding dejagnu testcases for subtargets

2012-08-10 Thread Janis Johnson
On 08/09/2012 10:52 PM, Senthil Kumar Selvaraj wrote: > Hi, > > What is the recommended way to skip specific (non target specific) testcases > for a subtargets? > > There are a bunch of tests in the gcc testsuite that are too big (in > terms of code size or memory) for a subtarget of the avr

Re: New GCC takes 19x as long to compile my program (compared to old GCC), plus void** patch suggestion

2012-08-10 Thread Joel Sherrill
On 08/10/2012 10:44 AM, Elmar Krieger wrote: Hi Ian, hi Richard, hi Andi! Many thanks for your comments. >>> The slowdown is not the same with other files, so I'm essentially sure >>> that this specific source file has some 'feature' that catches GCC at >>> the wrong leg. This raises m

gcc-4.6-20120810 is now available

2012-08-10 Thread gccadmin
Snapshot gcc-4.6-20120810 is now available on ftp://gcc.gnu.org/pub/gcc/snapshots/4.6-20120810/ and on various mirrors, see http://gcc.gnu.org/mirrors.html for details. This snapshot has been generated from the GCC 4.6 SVN branch with the following options: svn://gcc.gnu.org/svn/gcc/branches