On Tue, Feb 18, 2025 at 7:10 AM Dan via Gcc <gcc@gcc.gnu.org> wrote: > > Hello! > > I'm trying to compile for Texas Instruments (TI) C6000 Digital Signal > Processor (DSP) using GCC. I'm aware that TI has its own compiler, but I > want to use GCC. > > The documentation indicates that GCC has *some* support for C6x DSPs, as > shown in this link: https://gcc.gnu.org/onlinedocs/gcc/C6X-Options.html > > However, when I run a simple command like gcc -c main.c -march=c674x > -I/include -Tlinker.ld, it fails with this error: main.c:1:0: error: bad > value (c674x) for -mtune= switch. > > I've read on forums that GCC 4.7 has *some* level of support for C6X DSPs, > but even after installing GCC 4.7.4, it still doesn't work. > > Some forums also mentioned a GCC-based toolchain developed by CodeSourcery > (later acquired by Mentor Graphics, and subsequently by Siemens EDA) that > supported C6x DSPs. However, it's no longer available; I can't seem to find > any download links online. > > Could someone please advise on which GCC version is compatible with C6X > DSPs? Any guidance would be greatly appreciated.
All of them. Well, there's the c6x backend but it's not actively maintained. I don't see a -mtune switch for the port, so I do wonder whether you built the compiler from source or got it from somewhere else. Richard. > > Thanks in advance!
