[Bug tree-optimization/21550] [4.0/4.1 Regression] i686 floating point performance 33% slower than gcc 3.4.3

--- Comment #2 from pinskia at gcc dot gnu dot org 2005-10-16 22:25 --- This has been fixed in 4.1.0. We no get: .L4: fldl(%edx,%eax,8) faddl (%ebx,%eax,8) fstpl (%edx,%eax,8) incl%eax cmpl%eax, %ecx jne .L4 Likewise fo

[Bug tree-optimization/21550] [4.0/4.1 Regression] i686 floating point performance 33% slower than gcc 3.4.3

-- What|Removed |Added GCC target triplet|i686-pc-linux-gnu |i686-*-* http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21550

[Bug tree-optimization/21550] [4.0/4.1 Regression] i686 floating point performance 33% slower than gcc 3.4.3

-- What|Removed |Added Target Milestone|4.0.2 |4.0.3 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21550

[Bug tree-optimization/21550] [4.0/4.1 Regression] i686 floating point performance 33% slower than gcc 3.4.3

-- What|Removed |Added Target Milestone|4.0.1 |4.0.2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21550

[Bug tree-optimization/21550] [4.0/4.1 Regression] i686 floating point performance 33% slower than gcc 3.4.3

--- Additional Comments From pinskia at gcc dot gnu dot org 2005-05-13 18:03 --- I think this basically goes back to the correct selection of IVs and i386 addressing mode, aka a*4+b and such, there are other bugs opened about that already. -- What|Removed