On 11/15/18 11:34 PM, Alistair Francis wrote: > +#define TCG_TARGET_HAS_extrl_i64_i32 0 > +#define TCG_TARGET_HAS_extrh_i64_i32 0
You need these two for rv64 to preserve the invariant that 32-bit values are sign-extended in a 64-bit register. Otherwise _i32 comparisons won't work reliably. The first is yet another alias for exts32_i64; the second is an arithmetic right shift of 32. Their existence changes how code is emitted in tcg-op.c. r~
