On 05/31/2016 11:39 AM, Pranith Kumar wrote:
+ case INDEX_op_mb: + tcg_out_mb(s);
You need to look at the barrier type and DTRT. In particular, the Linux smp_rmb and smp_wmb types need not emit any code.
+ { INDEX_op_mb, { "r" } },
You certainly do *not* need the constant argument loaded into a register. This should remain { }.
r~
