[PATCH v2 03/10] tcg: Use one-insn-per-tb accelerator property in curr_cflags()
Richard Henderson
richard.henderson at linaro.org
Mon Apr 3 18:33:49 UTC 2023
On 4/3/23 07:46, Peter Maydell wrote:
> uint32_t curr_cflags(CPUState *cpu)
> {
> uint32_t cflags = cpu->tcg_cflags;
> + TCGState *tcgstate = TCG_STATE(current_accel());
As mentioned against the cover, this is a very hot path.
We should try for something less expensive. Perhaps as simple as
return cpu->tcg_cflags | tcg_cflags_global;
where cpu->tcg_cflags is updated with cpu->singlestep_enabled.
r~
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