accel/tcg: Move can_do_io to CPUNegativeOffsetState

Minimize the displacement to can_do_io, since it may
be touched at the start of each TranslationBlock.
It fits into other padding within the substructure.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/softmmu/icount.c b/softmmu/icount.c
index 144e24829c..956d15e343 100644
--- a/softmmu/icount.c
+++ b/softmmu/icount.c
@@ -111,7 +111,7 @@ static int64_t icount_get_raw_locked(void)
     CPUState *cpu = current_cpu;
 
     if (cpu && cpu->running) {
-        if (!cpu->can_do_io) {
+        if (!cpu->neg.can_do_io) {
             error_report("Bad icount read");
             exit(1);
         }