Change Details

__extendxftf2 and __trunctfxf2 build on x86 not aarch64 and riscv.

__extendxftf2 and __trunctfxf2 build on amd64 not aarch64 and riscv.

__extendxftf2 and __trunctfxf2 build on x86amd64 not aarch64 and riscv.