original vendor, but we're using their heavily modified version.) This brings in functions for long double emulation (both extended and quad formats), which may be useful for testing, and also for replacing libc/sparc64/fpu/.
Also use the proper number of underscores for internal names. (Changing the names should be fine, since apparently the symbols are currently unused.)
It should become useless when gcc 3.4 will be imported, as libgcc from gcc 3.4 contains this bits for arm.