accel/tcg: Precompute curr_cflags into cpu->tcg_cflags

The primary motivation is to remove a dozen insns along
the fast-path in tb_lookup.  As a byproduct, this allows
us to completely remove parallel_cpus.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2021-03-01 19:21:08 -08:00
parent 872ebd884d
commit 6cc9d67c6f
11 changed files with 30 additions and 27 deletions

View file

@ -82,9 +82,11 @@ static abi_ulong get_sigframe(struct target_sigaction *ka,
return (sp - frame_size) & -8ul;
}
/* Notice when we're in the middle of a gUSA region and reset.
Note that this will only occur for !parallel_cpus, as we will
translate such sequences differently in a parallel context. */
/*
* Notice when we're in the middle of a gUSA region and reset.
* Note that this will only occur when #CF_PARALLEL is unset, as we
* will translate such sequences differently in a parallel context.
*/
static void unwind_gusa(CPUSH4State *regs)
{
/* If the stack pointer is sufficiently negative, and we haven't