2011/5/16 H.J. Lu <hjl.to...@gmail.com>: > On Sun, May 15, 2011 at 10:03 PM, Zuxy Meng <zuxy.m...@gmail.com> wrote: >> Misdetected as Athlon by GCC, K6-2+ and K6-3+ are processors that support >> extended 3DNow! but don't support extended MMX or CMOV. >> >> I don't own a K6-2 or Athlon machine. Can anybody have the patch tested? >> >> 2011-05-16 Zuxy Meng <zuxy.m...@gmail.com> >> PR i386/48743 >> * config/i386/cpuid.h (bit_MMXEXT): New >> * config/i386/cpuid.h (bit_3DNOWP): Deleted > > Why do you remove bit_3DNOWP? <cpuid.h> is a public header file.
Because this bit was added to detect Athlon and not used elsewhere. cpuid.h doesn't define all the feature bits available in the output of CPUID instruction so I thought only the actually used bits are to be included. -- Zuxy Beauty is truth, While truth is beauty. PGP KeyID: E8555ED6
