Byte permutation optimization

2008-07-12 Thread Nils Pipenbrinck
Hi there. I recently came across a nice micro-optimization to permutate bytes within a dword. On x86 all 24 combinations can be done using a maximum of 3 instructions (bswap, rotate32 and rotate16). I'd like to give it a try and write an optimization pass that detects such dword permutations

Re: GCC/GCJ, SWT, and license lock-in

2008-07-12 Thread David Daney
Steve Perkins wrote: I have a question about using GCC/GCJ to compile a Java application which uses the SWT framework for its GUI, and whether this locks you in or out of any licensing options. I apologize in advance if this question is somewhat off-topic... I searched "gnu.org" for a maili

GCC/GCJ, SWT, and license lock-in

2008-07-12 Thread Steve Perkins
I have a question about using GCC/GCJ to compile a Java application which uses the SWT framework for its GUI, and whether this locks you in or out of any licensing options. I apologize in advance if this question is somewhat off-topic... I searched "gnu.org" for a mailing list specifically

successful bootstrap

2008-07-12 Thread Christian Schüler
Successfully bootstrapped and installed gcc 4.3.1, using mingw32 (msys) under WinXP. config.guess is having problems though. $ gcc -v Using built-in specs. Target: mingw32 Configured with: ../gcc-4.3.1/configure --with-gcc --build=mingw32 --prefix=/mingw --with-mpfd=/usrlocal --with-gmp=/usrloc

Re: Recent libstdc++ regressions

2008-07-12 Thread Daniel Berlin
Okay, i isolated the problem (we are folding based on the wrong type for constants, so we have a case where 1 << 63 becomes 0 instead of a very large value). Working on a patch now. On Fri, Jul 11, 2008 at 1:56 PM, Daniel Berlin <[EMAIL PROTECTED]> wrote: > On Fri, Jul 11, 2008 at 1:17 PM, Paolo

Re: GCC 4.1 branch closed

2008-07-12 Thread Joseph S. Myers
On Sat, 12 Jul 2008, Gerald Pfeifer wrote: > Hi Joseph, > > On Fri, 4 Jul 2008, Joseph S. Myers wrote: > > The GCC 4.1 branch is now closed and should have no further commits. All > > open bugs at the 4.1.3 milestone, or marked as [4.1/4.2/4.3/4.4 > > Regression] or similar, have been updated

Re: Failure building GFortran (Cygwin)

2008-07-12 Thread Angelo Graziosi
Eric Blake ha scritto: -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 According to Jerry DeLisle on 6/29/2008 11:45 AM: | Ian Lance Taylor wrote: |> CC'ed to Eric. This may require some configury patches somewhere. |> | Adjust strsignal to POSIX 200x prototype. | * strsignal.c (s

Re: GCC 4.1 branch closed

2008-07-12 Thread Gerald Pfeifer
Hi Joseph, On Fri, 4 Jul 2008, Joseph S. Myers wrote: > The GCC 4.1 branch is now closed and should have no further commits. All > open bugs at the 4.1.3 milestone, or marked as [4.1/4.2/4.3/4.4 > Regression] or similar, have been updated accordingly. I wonder, could/should this also become a