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[compiler-rt][builtins][PowerPC] Implemented __floattitf builtin on PowerPC

Description

[compiler-rt][builtins][PowerPC] Implemented __floattitf builtin on PowerPC

This patch implements the long double __floattitf (int128_t) method for
PowerPC -- specifically to convert a 128 bit integer into a long double
(IBM double-double).

To invoke this method, one can do so by linking against compiler-rt, via the
--rtlib=compiler-rt command line option supplied to clang.

Differential Revision: https://reviews.llvm.org/D54313/

Details

Committed
amykJan 10 2019, 5:23 AM
Parents
rL350817: Correct the spelling of helpURI to helpUri.
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