soft floating point library

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http://gcc.gnu.org/onlinedocs/gccint/Soft-float-library-routines.html

— Runtime Function: unsigned int __fixunssfsi (float a)
— Runtime Function: unsigned int __fixunsdfsi (double a)
— Runtime Function: unsigned int __fixunstfsi (long double a)
— Runtime Function: unsigned int __fixunsxfsi (long double a)

These functions convert a to an unsigned integer, rounding toward zero.Negative values all become zero.

— Runtime Function: unsigned long __fixunssfdi (float a)
— Runtime Function: unsigned long __fixunsdfdi (double a)
— Runtime Function: unsigned long __fixunstfdi (long double a)
— Runtime Function: unsigned long __fixunsxfdi (long double a)

These functions convert a to an unsigned long, rounding toward zero.Negative values all become zero.

— Runtime Function: unsigned long long __fixunssfti (float a)
— Runtime Function: unsigned long long __fixunsdfti (double a)
— Runtime Function: unsigned long long __fixunstfti (long double a)
— Runtime Function: unsigned long long __fixunsxfti (long double a)

These functions convert a to an unsigned long long, rounding toward zero.Negative values all become zero