Displaying 2 results from an estimated 2 matches for "getfp128ty".
2019 Apr 11
2
128 bit float constant
Hi Tim,
Thanks for the hint.
I tried the following, (it's a C interface since that's what I need it for)
where a and b are
the top and bottom halves of the 128 bit value,
LLVMValueRef TestConst(LLVMContextRef C, uint64_t a, uint64_t b) {
Type *ty = Type::getFP128Ty(*unwrap(C));
ArrayRef<uint64_t> ar[2] = {a,b};
APInt ai(128,*ar);
APFloat quad(APFloat::IEEEquad(), ai);
return wrap(ConstantFP::get(ty,quad));
}
but for 1.0e0 it returns zero
store fp128 0xL00000000000000000000000000000000, fp128* %e, align 16
and for 1.23e0 returns this, which...
2019 Apr 10
2
128 bit float constant
Hi,
Just wondering if it's possible to construct a 128 bit quad precision
floating point
constant without converting the value back to a string.
Cheers Peter
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