Re: [Predef-contribute] RISC-V architecture defines

[Alibek O. <a1b...@gm...>]

Hi Aaron!

predef wiki is stalled but it's legacy lives in my fork, hosted at GitHub:
https://github.com/a1batross/predef

On RISC-V:
I've added info about it in this commit:
https://github.com/a1batross/predef/commit/10559927c79894c8550bf1d5003ba6a551f338c9
Though I didn't added every macro as I found official toolchain convention,
which at this moment seems to be followed by every compiler vendor. So
instead I just linked it.

Thanks for your help,
Alibek Omarov.

пн, 30 авг. 2021 г. в 14:23, Aaron Franke via Predef-contribute <
pre...@li...>:

> Hello,
>
> For this page which lists architecture defines:
> https://sourceforge.net/p/predef/wiki/Architectures/
>
> The page is missing defines for RISC-V. Here they are. These are pulled
> from GCC 9.3 and Clang 10.0 on a 64-bit RISC-V virtual machine
> (architecture rv64gc).
>
> GCC:
> #define __riscv 1
> #define __riscv_atomic 1UL
> #define __riscv_cmodel_pic 1
> #define __riscv_compressed 1
> #define __riscv_div 1
> #define __riscv_fdiv 1
> #define __riscv_flen 64
> #define __riscv_float_abi_double 1
> #define __riscv_fsqrt 1
> #define __riscv_mul 1
> #define __riscv_muldiv 1
> #define __riscv_xlen 64
>
> Clang/LLVM:
> #define __riscv 1
> #define __riscv_atomic 1
> #define __riscv_cmodel_medlow 1
> #define __riscv_compressed 1
> #define __riscv_div 1
> #define __riscv_fdiv 1
> #define __riscv_flen 64
> #define __riscv_float_abi_double 1
> #define __riscv_fsqrt 1
> #define __riscv_mul 1
> #define __riscv_muldiv 1
> #define __riscv_xlen 64
>
> These are defined on both (ignoring the difference for atomic of "1UL"
> for GCC and "1" for Clang/LLVM).
> #define __riscv 1
> #define __riscv_atomic 1
> #define __riscv_compressed 1
> #define __riscv_div 1
> #define __riscv_fdiv 1
> #define __riscv_flen 64
> #define __riscv_float_abi_double 1
> #define __riscv_fsqrt 1
> #define __riscv_mul 1
> #define __riscv_muldiv 1
> #define __riscv_xlen 64
>
> This is unique to GCC:
> #define __riscv_cmodel_pic 1
>
> This is unique to Clang/LLVM:
> #define __riscv_cmodel_medlow 1
>
> Please add this information to your list.
>
> Thanks,
>
> Aaron Franke
>
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