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* tcg: Drop gen_io_end()Peter Maydell2021-09-081-3/+0Star
| | | | | | | | | | | | | | 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>
* docs/devel: add some notes on tcg-icount for developersAlex Bennée2020-07-111-0/+97
This attempts to bring together my understanding of the requirements for icount behaviour into one reference document for our developer notes. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Pavel Dovgalyuk <dovgaluk@ispras.ru> Cc: Peter Maydell <peter.maydell@linaro.org> Message-Id: <20200709141327.14631-3-alex.bennee@linaro.org>