On Fri, 2018-02-09 at 17:15 +0000, Richard Sandiford wrote:
> If the code you're adding is inherently specific to Advanced SIMD
> (not sure, but guessing yes based on this being aarch64-builtins.c)
> then like Kugan says, using to_constant is OK.
> Which code are you copying over?
OK, I found the is_constant member function and used that. I was
looking at the i386 code that generates calls to libmvec. Someone
here wrote vector sin/cos functions for V2DF and I want to test them
out to see if they would work with GCC/libmvec on aarch64.