------- Additional Comments From uros at kss-loka dot si 2005-01-24 11:16 ------- (In reply to comment #14) > Where are we standing with this one today?
gcc version 4.0.0 20050124 (experimental) g++ -O3 -ffast-math y.cc real 0m27.102s user 0m26.980s sys 0m0.016s g++ -O3 -ffast-math -D__NO_MATH_INLINES y.cc real 0m23.484s user 0m23.307s sys 0m0.076s g++ -O3 -march=pentium4 -ffast-math -D__NO_MATH_INLINES y.cc real 0m23.101s user 0m23.014s sys 0m0.078s g++ -O3 -march=pentium4 -mfpmath=sse -ffast-math -D__NO_MATH_INLINES y.cc real 0m31.650s user 0m31.605s sys 0m0.025s g++ -O3 -march=pentium4 -mfpmath=sse -ffast-math y.cc real 0m29.068s user 0m28.863s sys 0m0.023s g++ -O3 -march=pentium4 -mfpmath=sse y.cc real 0m35.343s user 0m34.848s sys 0m0.047s g++ -O3 -march=pentium4 -mfpmath=sse -ffast-math -mno-80387 -D__NO_MATH_INLINES y.cc *** FAILED: X422 = nan *** real 2m56.700s user 2m55.615s sys 0m0.145s g++ -O3 -march=pentium4 -mfpmath=sse -mno-80387 -D__NO_MATH_INLINES y.cc *** TIMEOUT AFTER 3min *** -mfpmath=sse runs a bit slow. -mno-80387 IMHO generates wrong code. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13712