[PATCH, i386] PR 48743 Correctly detect AMD K6-2+ and K6-3+

Zuxy Meng zuxy.meng@gmail.com
Mon May 16 10:37:00 GMT 2011


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.meng@gmail.com>
PR i386/48743
* config/i386/cpuid.h (bit_MMXEXT): New
* config/i386/cpuid.h (bit_3DNOWP): Deleted
* config/i386/driver-i386.c (host_detect_local_cpu): Detect Athlon by the 
presence of extended MMX instead of extended 3DNow!

--
Zuxy 
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