[mythtv] [PATCH] dtk libsoundtouch bug
Daniel Thor Kristjansson
danielk at mrl.nyu.edu
Sat Jan 29 09:27:24 EST 2005
On Sat, 29 Jan 2005, Mark Spieth wrote:
]found it. couple of transcription errors in the old macros only. new
]inrtinsic code worked fine. all shifts require a 64bit shift arg so
]made them regs again to minimize mem accesses.
Thanks for hunting that down.
]also dont need the -fPIC
]options. so I removed them too. static lib after all.
Isn't this getting statically linked into a dynamic lib?
Is it safe to get rid of -fPIC then?
]also the "new" intrisics are much slower. I had a look at the assembly
]produced and its quite inefficient at optimising the registers (gcc3.3.4).
]Id keep the older macros for now for performance reasons.
Yep. But icc and newer gcc's like them. And those compilers may even
clobber the old intrinsics in certain situations.
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