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* This has not seen meaningful development for about a decade. * The Linux kernel port was never upstreamed. * The glibc port was never upstreamed. * GCC 15.1 recently deprecated support it. It may still make sense to support an ILP32 ABI on AArch64 more broadly (which we already have the Abi.ilp32 tag for), but, to the extent that it even existed in any "official" sense, the *GNU* ILP32 ABI is certainly dead.
Aro
A C compiler with the goal of providing fast compilation and low memory usage with good diagnostics.
Aro is included as an alternative C frontend in the Zig compiler
for translate-c and eventually compiling C files by translating them to Zig first.
Aro is developed in https://github.com/Vexu/arocc and the Zig dependency is
updated from there when needed.
Currently most of standard C is supported up to C23 and as are many of the common extensions from GNU, MSVC, and Clang
Basic code generation is supported for x86-64 linux and can produce a valid hello world:
$ cat hello.c
extern int printf(const char *restrict fmt, ...);
int main(void) {
printf("Hello, world!\n");
return 0;
}
$ zig build && ./zig-out/bin/arocc hello.c -o hello
$ ./hello
Hello, world!