Re: target hooks / plugins
On Wed, 23 Dec 2009, Joern Rennecke wrote: > I've attached what I have so far. If you want to have documentation extracted from source files, you need to engage with the SC and FSF at an early stage to get suitable license exception wording to permit the relevant text to be used in the manuals as well as the main (GPL) sources. Of course, the ordering and (especially) section divisions in the internals manual are human-designed not arbitrary so you need to retain the ability to put the documentation of each hook in an appropriate position in an appropriate section of the manual. If you can make this work it should reduce the risk of people not documenting new hooks, but for it to work the FSF agreement is critical as is ensuring it genuinely works as well as the existing system without regressions (including working in update_web_docs). -- Joseph S. Myers jos...@codesourcery.com
Re: target hooks / plugins
It appears you CC:ed your message to a closed mailing list ctuning-discussi...@googlegroups.com that bounces messages from non-subscribers. Please avoid doing this; messages to public lists should not be CC:ed to any list that will send bounces or other automatic replies to non-subscribers. You are free to forward GCC list messages manually to such a list, of course. -- Joseph S. Myers jos...@codesourcery.com
Re: Approval as AVR maintainer
On Wed, Dec 23, 2009 at 5:24 PM, Andrew Hutchinson wrote: > How does one get to be maintainer of port? > > Specifically AVR port - so that I do not need to get approval to commit > changes. The time it takes now is rather longer than getting approval on > other parts of GCC. > > The process does not seem to be written down anywhere - but I am sure > someone will correct me if I am wrong. Maintainers are appointed by the GCC Steering Committee. Someone nominates you or you nominate yourself through a member of the committee, like me. It helps to have support from / agreement of the current maintainers. Happy Holidays, David
gcc-4.5-20091224 is now available
Snapshot gcc-4.5-20091224 is now available on ftp://gcc.gnu.org/pub/gcc/snapshots/4.5-20091224/ and on various mirrors, see http://gcc.gnu.org/mirrors.html for details. This snapshot has been generated from the GCC 4.5 SVN branch with the following options: svn://gcc.gnu.org/svn/gcc/trunk revision 155461 You'll find: gcc-4.5-20091224.tar.bz2 Complete GCC (includes all of below) gcc-core-4.5-20091224.tar.bz2 C front end and core compiler gcc-ada-4.5-20091224.tar.bz2 Ada front end and runtime gcc-fortran-4.5-20091224.tar.bz2 Fortran front end and runtime gcc-g++-4.5-20091224.tar.bz2 C++ front end and runtime gcc-java-4.5-20091224.tar.bz2 Java front end and runtime gcc-objc-4.5-20091224.tar.bz2 Objective-C front end and runtime gcc-testsuite-4.5-20091224.tar.bz2The GCC testsuite Diffs from 4.5-20091217 are available in the diffs/ subdirectory. When a particular snapshot is ready for public consumption the LATEST-4.5 link is updated and a message is sent to the gcc list. Please do not use a snapshot before it has been announced that way.
Re: CSE & compare/branch template problem
Paolo Bonzini wrote: On 12/21/2009 08:10 PM, Richard Henderson wrote: (define_insn_and_split "*cmp" [(set (match_operand:SI 0 "register_operand" "=r") (lt:SI (match_operand:SI 1 "register_operand" "r") (match_operand:SI 2 "register_operand" "r")))] "" "cmp %0,%1,%2\;andi $0,$0,1" "" [(set (match_dup 0) (unspec:SI [(match_dup 1) (match_dup 2)] UNSPEC_CMP)) (set (match_dup 0) (and:SI (match_dup 0) (const_int 1)))] "") It's actually the MSB that is affected, and the entire register is set to zero if a == b. Basically cmp/cmpu prepare rD so that a signed compare-with-zero-and-branch will do the requested conditional branch. So, branches are easy, but cstores are tricky. Something like this should work; indeed you do not need any CC mode: Thanks. I'll take a look at this. There are some other quirks with the MicroBlaze architecture. The cmp/cmpu instructions only take a register. Other instructions which can be used for equality or signed comparisons (xor or sub) can take an immediate operand. I'll see how they can be added. -- Michael Eagerea...@eagercon.com 1960 Park Blvd., Palo Alto, CA 94306 650-325-8077
