Re: Change x86 default arch for 4.5?

2010-02-23 Thread Piotr Wyderski
H.J. Lu wrote: > Default to SSE2 is a good first step. I concur; all the programs I'm working on require SSE2 and are not supposed to be back-portable to SSE or fpu. Simply too many vital optimizations require that ISA. Best regards Piotr Wyderski

Re: is -fno-toplevel-reorder going to deprecate

2010-02-23 Thread Richard Guenther
On Mon, Feb 22, 2010 at 9:21 PM, Ian Lance Taylor wrote: > Sergey Yakoushkin writes: > >> I'm cross-compiling glibc(eglibc) for new processor. >> As far as I can see -fno-toplevel-reorder option is critical for >> successful build. >> Without option some files (initfini.c, source for crt*.o) can

Re: PR 42485 Delete both -b and -V options

2010-02-23 Thread Richard Guenther
On Tue, 23 Feb 2010, Manuel López-Ibáñez wrote: > Bootstrapped and regression tested (it seems nothing was testing these > options) on x86_64-unknown-linux-gnu. > > OK? This is ok if nobody has serious objections and at the same time is willing to either fix these options for 4.5 or at least sho

Re: PR 42485 Delete both -b and -V options

2010-02-23 Thread Manuel López-Ibáñez
On 23 February 2010 12:00, Richard Guenther wrote: > On Tue, 23 Feb 2010, Manuel López-Ibáñez wrote: > >> Bootstrapped and regression tested (it seems nothing was testing these >> options) on x86_64-unknown-linux-gnu. >> >> OK? > > This is ok if nobody has serious objections and at the same time >

Re: Register Allocation Pref. in 3.3.3

2010-02-23 Thread Paulo J. Matos
On Mon, Feb 22, 2010 at 2:12 PM, Joern Rennecke wrote: > Quoting "Paulo J. Matos" : > >> Hi, >> >> For anyone who still remembers what went on with 3.3.3, in global.c, >> set_preference, why is there a bias to set preference for operand 0 of >> src? > > I don't remember the detail of this specific

Conditional clobbering

2010-02-23 Thread Paulo J. Matos
Hi all, I have a situation in writing a specific condition on an md file. I have an insn with 2 alternatives and then I use which_alternative to generate the assembler code but if which_alternative == 1 I am clobbering a register. How can I tell gcc that if it matches 1, a given register is clobbe

Re: Register Allocation Pref. in 3.3.3

2010-02-23 Thread Dave Korn
On 23/02/2010 13:23, Paulo J. Matos wrote: > That would make sense if the rtx is a set but in this case it is not. > local-alloc.c:set_preference, line 1612 in particular, is called with: > CALL set_preference > dest: > (reg/f:QI 31) > src: > (plus:QI (reg/f:QI 6 Y) > (reg:QI 215))

Re: Register Allocation Pref. in 3.3.3

2010-02-23 Thread Paulo J. Matos
On Tue, Feb 23, 2010 at 2:26 PM, Dave Korn wrote: > On 23/02/2010 13:23, Paulo J. Matos wrote: > >> That would make sense if the rtx is a set but in this case it is not. >> local-alloc.c:set_preference, line 1612 in particular, is called with: >> CALL set_preference >> dest: >> (reg/f:QI 31) >> sr

Hunting backend bugs

2010-02-23 Thread garbett peter
Hello there, this is my 1st post. I have become responsible for a private port of GCC to a custom microprocessor. It is a relatively simple 32 bit risc with delay slots. I have modified the gcc 3.4.4 port to work against gcc 4.4.3. This gives correct results against a set of gnat Ada acats tests,

Re: PR 42485 Delete both -b and -V options

2010-02-23 Thread Matthias Klose
On 23.02.2010 12:10, Manuel López-Ibáñez wrote: On 23 February 2010 12:00, Richard Guenther wrote: On Tue, 23 Feb 2010, Manuel López-Ibáñez wrote: Bootstrapped and regression tested (it seems nothing was testing these options) on x86_64-unknown-linux-gnu. OK? This is ok if nobody has serio

Re: Register Allocation Pref. in 3.3.3

2010-02-23 Thread Michael Matz
Hi, On Tue, 23 Feb 2010, Paulo J. Matos wrote: > On Tue, Feb 23, 2010 at 2:26 PM, Dave Korn > wrote: > > On 23/02/2010 13:23, Paulo J. Matos wrote: > > > >> That would make sense if the rtx is a set but in this case it is not. > >> local-alloc.c:set_preference, line 1612 in particular, is called

How to update my SSH authorized_keys on gcc.gnu.org?

2010-02-23 Thread H.J. Lu
Hi, Is there a way to update my SSH authorized_keys on gcc.gnu.org? I tried # scp -p authorized_keys gcc.gnu.org:.ssh/ Warning: Permanently added the RSA host key for IP address '209.132.180.131' to the list of known hosts. Permission denied (publickey,gssapi-with-mic). lost connection It didn't

Re: How to update my SSH authorized_keys on gcc.gnu.org?

2010-02-23 Thread Andreas Schwab
"H.J. Lu" writes: > Is there a way to update my SSH authorized_keys on gcc.gnu.org? See . Andreas. -- Andreas Schwab, sch...@redhat.com GPG Key fingerprint = D4E8 DBE3 3813 BB5D FA84 5EC7 45C6 250E 6F00 984E "And now for something com

Re: How to update my SSH authorized_keys on gcc.gnu.org?

2010-02-23 Thread Tobias Burnus
Hi, > Is there a way to update my SSH authorized_keys on gcc.gnu.org? I > tried As written at http://sourceware.org/cgi-bin/pdw/ps_form.cgi ssh sourceware.org updatekey < ~/.ssh/id_dsa.pub should do the deed. Tobias

Re: How to update my SSH authorized_keys on gcc.gnu.org?

2010-02-23 Thread H.J. Lu
On Tue, Feb 23, 2010 at 9:22 AM, Andreas Schwab wrote: > "H.J. Lu" writes: > >> Is there a way to update my SSH authorized_keys on gcc.gnu.org? > > See . > It doesn't work for me: # ssh sourceware.org replacekey < authorized_keys Permis

Re: How to update my SSH authorized_keys on gcc.gnu.org?

2010-02-23 Thread H.J. Lu
On Tue, Feb 23, 2010 at 9:26 AM, Tobias Burnus wrote: > Hi, > >> Is there a way to update my SSH authorized_keys on gcc.gnu.org? I >> tried > > As written at http://sourceware.org/cgi-bin/pdw/ps_form.cgi > > ssh sourceware.org updatekey < ~/.ssh/id_dsa.pub > > should do the deed. > Does it work f

Re: How to update my SSH authorized_keys on gcc.gnu.org?

2010-02-23 Thread Christopher Faylor
On Tue, Feb 23, 2010 at 09:27:35AM -0800, H.J. Lu wrote: >On Tue, Feb 23, 2010 at 9:22 AM, Andreas Schwab wrote: >> "H.J. Lu" writes: >> >>> Is there a way to update my SSH authorized_keys on gcc.gnu.org? >> >> See . >> > >It doesn't work

Re: How to update my SSH authorized_keys on gcc.gnu.org?

2010-02-23 Thread H.J. Lu
On Tue, Feb 23, 2010 at 9:35 AM, Christopher Faylor wrote: > On Tue, Feb 23, 2010 at 09:27:35AM -0800, H.J. Lu wrote: >>On Tue, Feb 23, 2010 at 9:22 AM, Andreas Schwab wrote: >>> "H.J. Lu" writes: >>> Is there a way to update my SSH authorized_keys on gcc.gnu.org? >>> >>> See

Re: Hunting backend bugs

2010-02-23 Thread Joern Rennecke
Quoting garbett peter : 1) What's the best way of finding out if the faults are down to my backend code? It's most likely down to the lack thereof, in particular the lack of multiply named patterns. See md.texi .

Re: Conditional clobbering

2010-02-23 Thread Joern Rennecke
Quoting "Paulo J. Matos" : I have a situation in writing a specific condition on an md file. I have an insn with 2 alternatives and then I use which_alternative to generate the assembler code but if which_alternative == 1 I am clobbering a register. How can I tell gcc that if it matches 1, a give

Re: Conditional clobbering

2010-02-23 Thread Paulo Matos
On 02/23/10 19:12, Joern Rennecke wrote: > Quoting "Paulo J. Matos" : >> I have a situation in writing a specific condition on an md file. >> I have an insn with 2 alternatives and then I use which_alternative to >> generate the assembler code but if which_alternative == 1 I am >> clobbering a regi

Re: Conditional clobbering

2010-02-23 Thread Joern Rennecke
Quoting Joern Rennecke : You use a clobber with a matching constraint for alternative 1 and X for other alternatives. Make sure the patten is not named. P.S.: Actually, named is fine if you use a match_scratch, or if it's not a standard name.

gcc-4.4-20100223 is now available

2010-02-23 Thread gccadmin
Snapshot gcc-4.4-20100223 is now available on ftp://gcc.gnu.org/pub/gcc/snapshots/4.4-20100223/ and on various mirrors, see http://gcc.gnu.org/mirrors.html for details. This snapshot has been generated from the GCC 4.4 SVN branch with the following options: svn://gcc.gnu.org/svn/gcc/branches