JCX writes:
> Hello, I am working on a gcc porting for a new instruction. This
> instruction needs to move data from memory to two registers. So I use
> the SET rtx, and the dest of SET is an UNSPEC rtx with two registers.
> By using such a rtl pattern, gcc performs very differently. It makes
> m
Hello, I am working on a gcc porting for a new instruction. This
instruction needs to move data from memory to two registers. So I use
the SET rtx, and the dest of SET is an UNSPEC rtx with two registers.
By using such a rtl pattern, gcc performs very differently. It makes
mistakes for register rep
