On 4/3/23 07:46, Peter Maydell wrote:
* I have written patch 3 on the assumption that curr_cflags()
is not such a hot codepath that we can't afford to have
a QOM cast macro in it; the alternative would be to
keep it using a global variable but make the global be
restricted to accel/tcg/internals.h. RTH: opinions welcome...
curr_cflags() is quite hot, called from lookup_tb_ptr every time we time we end a chain of
directly linked TBs. You'll see lookup_tb_ptr near the top of any tcg profile.
With a global variable, it might be worth combining with CPU_LOG_TB_NOCHAIN, recomputing
the global if either option changes.
r~
