Re: [PATCH 59/76] target/arm: Handle FPCR.AH in negation steps in SVE FCADD

[Richard Henderson]

On 1/24/25 08:28, Peter Maydell wrote:

+            if (neg_real && !(fpcr_ah && float16_is_any_nan(e1))) {
+                e1 ^= neg_real;
+            }
+            if (neg_imag && !(fpcr_ah && float16_is_any_nan(e3))) {
+                e3 ^= neg_imag;
+            }

Drop the neg_real/neg_imag check?
Or do you imagine the is_any_nan check to be more expensive?


r~