On Sun, 19 Feb 2012, Kumar, Venkataramanan wrote:
Sphinx3 benchmark segmented when built and ran with -Ofast and -fprefecth-loop-arrays.
[...]
In my case the register 367 is sNAN.
-Ofast implies -ffast-math which implies -ffinite-math-only: Allow optimizations for floating-point arithmetic that assume that arguments and results are not NaNs or +-Infs. so I am not sure what you expect exactly. -- Marc Glisse