Am 08.08.24 um 10:08 schrieb Amit Hiremath:
I know, I am looking for a solution without using __asm macro
I explained that, too. Did you even read my answer?
Johann
On Thu, Aug 8, 2024 at 1:20 PM Georg-Johann Lay
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
<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
<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
<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
