Kunal Parmar <[EMAIL PROTECTED]> writes: > I am working on porting GCC to a new RISC architecture. The ISA does > not have a "Jump and Link Register" instruction. So I am simulating > one by replacing > jal [reg] > by > load ra, Lret > jr reg > Lret: > > in RTL. > But my return label is getting optimized away. Could you please tell > me how to avoid this.
Make sure the load label instruction is using a LABEL_REF. Look at sh.md for various examples. Ian