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__divdf3
2011 Nov 02
0
[LLVMdev] Issues in compiler-rt __truncdfsf2 and __extendsfdf2 functions?
...dard defines that an operation involving a
signaling NaN should deliver a quiet NaN as its result but I don't know
if conversion from float to double qualifies as an operation. So I am
not sure what is the correct result here.
Next to these issues the TestFloat division tests fail because the
__divsf3 and __divdf3 implementations currently flush denormals to zero.
So I might want to have a go at trying to implement gradual underflow
with correct rounding, but I am not a floating point emulation expert so
any pointers on how to do that would be appreciated!
Jordy
[1] http://www.jhauser.us/arith...