Re: [PATCH 12/24] tcg/aarch64: Implement negsetcond_*

[Richard Henderson]

On 8/10/23 09:39, Peter Maydell wrote:

+    case INDEX_op_negsetcond_i32:
+        a2 = (int32_t)a2;
+        /* FALLTHRU */

I see this is what we already do for setcond and movcond,
but how does it work when the 2nd input is a register?
Or is reg-reg guaranteed to always use the _i64 op?

For reg-reg, a2 < 31, so the sign-extend does nothing.


r~