Re: [PATCH] target/s390x: Optimize save_link_info() using extract() TCG opcode

[Richard Henderson]

On 10/3/21 10:29 AM, Philippe Mathieu-Daudé wrote:

-    tcg_gen_shri_i64(t, psw_mask, 16);
-    tcg_gen_andi_i64(t, t, 0x0f000000);
+    tcg_gen_extract_i64(t, psw_mask, 40, 4);

No, the result should not be at bit 0, but bit 24.


r~