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tcg: check CF_PARALLEL instead of parallel_cpus

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Thereby decoupling the resulting translated code from the current state
of the system.

The tb->cflags field is not passed to tcg generation functions. So
we add a field to TCGContext, storing there a copy of tb->cflags.

Most architectures have <= 32 registers, which results in a 4-byte hole
in TCGContext. Use this hole for the new field.

Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Emilio G. Cota <cota@braap.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Emilio G. Cota 2017-07-16 15:13:52 -04:00 • committed by Richard Henderson
parent 87d757d60d
commit e82d5a2460
3 changed files with 7 additions and 5 deletions
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accel/tcg/translate-all.c
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@ -1296,6 +1296,7 @@ TranslationBlock *tb_gen_code(CPUState *cpu,
tb->flags = flags;
tb->cflags = cflags;
tb->trace_vcpu_dstate = *cpu->trace_dstate;
tcg_ctx.tb_cflags = cflags;
#ifdef CONFIG_PROFILER
tcg_ctx.tb_count1++; /* includes aborted translations because of