[mythtv] [PATCH] march documentation update
Daniel Thor Kristjansson
danielk at mrl.nyu.edu
Tue Dec 28 18:00:11 UTC 2004
On Tue, 28 Dec 2004, Ivor Hewitt wrote:
]Daniel,
]
]The VIA C3 processor supports 3Dnow/SSE and MMX instructions, so compiling
]with i586 is probably unnecessarily restrictive.
]
]So for the C3: -march=i586 -m3dnow -mmmx
]and Nehemia: -march=i686 -msse -mmmx -mfpmath=sse
]
]Also recent gcc versions (>3.3?) support "-march=c3" (MMX+3DN) or
]"-march=c3-2" (MMX+SSE) anyway which is even simpler.
I just kept the existing recomendation for the C3 and Nehima, can
someone with a C3 or Nahima confirm that this works?
-- Daniel
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