I know, I am looking for a solution without using __asm macro On Thu, Aug 8, 2024 at 1:20 PM Georg-Johann Lay <a...@gjlay.de> wrote:
> You have already asked that question (and got an answer) in gcc-help@: > > https://gcc.gnu.org/pipermail/gcc-help/2024-August/thread.html#143628 > > Johann > > Am 08.08.24 um 03:54 schrieb Amit Hiremath: > > Hello, > > > > I want to add custom single precision floating point sine, cosine, exp > > instructions to risc-v gnu tool chain, and I have designed hardware for > > this. I was going through tutorials on how to add custom instructions at: > > https://pcotret.gitlab.io/riscv-custom/sw_toolchain.html after adding > > custom instructions, I think one has to use asm macro to use custom > > instructions in C. Is there anyway where one do not need to use this > macro? > > I would like the compiler to automatically map to custom instructions in > > the risc-v processor, like how it will map to fadd.s, fmul.s > instructions, > > where one does not need to use asm macro. > > > > I asked in riscv gnu tool chain forum about this issue: > > https://github.com/riscv-collab/riscv-gnu-toolchain/issues/1526 they > > suggested that I ask this query in the gcc forum. > > > > Can you please guide me? > > > > Many Thanks, > > -Amith >
