Results from SPEC2006 FP analysis done at Richard`s request {late July / early August}

Dear all, Overall, I think the WIP new if converter is holding up relatively well, but there is obviously opportunity to do better, at least if the numbers mean what they look like they mean, i.e. the old converter`s code was fully OK and so is the new one`s. By "fully OK" I mean e.g. no crashing

gcc-4.9-20150812 is now available

Snapshot gcc-4.9-20150812 is now available on ftp://gcc.gnu.org/pub/gcc/snapshots/4.9-20150812/ and on various mirrors, see http://gcc.gnu.org/mirrors.html for details. This snapshot has been generated from the GCC 4.9 SVN branch with the following options: svn://gcc.gnu.org/svn/gcc/branches

Re: replacing multiplication by bit shifts, etc

Hi! All compilers can replace multiplication operation by bit shifts and LEA x86 instruction (if current target arch is x86). Can I ask, where in GCC this happens? I can't find it in source code. See gcc/expmed.c, search for "choose_mult_variant". HTH Alan

replacing multiplication with bit shifts, etc

Hi! All compilers can replace multiplication operation by bit shifts and LEA x86 instruction (if current target arch is x86). Can I ask, where in GCC this happens? I can't find it in source code.