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tcg: Drop gen_io_end()

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Now we have removed all the uses of gen_io_end() from target frontends,
the only callsite is inside gen_tb_start(). Inline the code there,
and remove the reference to it from the documentation.

While we are inlining the code, switch it to use tcg_constant_i32()
so we don't have to manually create and destroy a TCG temporary.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210724134902.7785-3-peter.maydell@linaro.org>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
This commit is contained in:
Peter Maydell 2021-07-24 14:49:02 +01:00 • committed by Mark Cave-Ayland
parent b5328172a9
commit f383eb80f6
2 changed files with 10 additions and 20 deletions
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3
docs/devel/tcg-icount.rst
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@ -92,6 +92,3 @@ When the translator is handling an instruction of this kind:
}
* it must end the TB immediately after this instruction
Note that some older front-ends call a "gen_io_end()" function:
this is obsolete and should not be used.