Re: [MiNT] GCC 4.4.0 cross-compiler available

[Alan Hourihane <alanh@fairlite.co.uk>]

On Mon, 2009-04-27 at 19:01 +0200, Vincent Rivière wrote:
> GCC 4.4.0 has been released last week, I have updated the MiNT patches and 
> the Cygwin binaries. They are available at the usual place:
> http://vincent.riviere.free.fr/soft/m68k-atari-mint/
> 
> On one of my own projects using intensive C++ templates and inlining, I 
> noticed an improvement when using -O3. As expected, the generated code is 
> faster (and bigger) than when using the standard -O2. In previous versions, 
> I had to use -O2 and specific optimization flags to achieve the same 
> performance. It is even a bit better.
> 
> I didn't notice any other significant change.
> The full list of new features is here:
> http://gcc.gnu.org/gcc-4.4/changes.html
> 
> There is no known problem with the C compiler.
> 
> In C++, there is still the "cout bug" when outputting an int to cout. It 
> appeared several versions ago. I was thinking it was a bug in GCC appearing 
> only on a.out targets. I've just noticed that it crashes differently between 
> ARAnyM (MiNT) and Steem (TOS), so the problem may be elsewhere.
> 
> About multilib:
> I removed the m68020-60/mshort multilib, because as far as I know it is 
> totally useless.
> I also added a new multilib named "mcfv4e" for compiling code for CPUs of 
> the ColdFire V4e family (reduced instruction set, FPU, MMU). It can be used 
> by compiling with "-mcfv4e". Currently, only the GCC libraries (libc.a and 
> libstdc++.a) are available for that target.
> 
> About native RPM:
> Mark and Keith have made a lot of work for providing a native RPM of GCC 
> 4.3.3. There is still work to do (MPFR testcases failing, etc...)
> So I left my old patches here if someone needs them:
> http://vincent.riviere.free.fr/soft/m68k-atari-mint/archives/unsupported/old/
> However, the compilation process of GCC 4.4.0 is exactly the same as with 
> GCC 4.3.3, so their work can probably be easily continued by using the new 
> version. I upgraded the GMP and MPFR versions, too, without any problem.
> 
> I didn't update the binutils, there is still work in progress for the stack 
> settings.
> 
> Let's continue to keep the tools up to date !

Nice. Thank you Vincent again for your work on this.

I'm wondering if we should start sending the patches upstream so we can
keep the patchset smaller for future releases ??

I'm sure you are best placed to do this Vincent.

Comments ?

Alan.