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The Thumb BKPT insn is 16-bit, and the ESR_ELx syndrome register definition requires that we set the IL bit to 0 for this, and 1 for the 32-bit A32 and A64 BKPT/BRK. We used to do this correctly, but accidentally lost it in the conversion to decodetree, because we converted the A32 BKPT first, and then when we converted the T16 BKPT we forgot that trans_BKPT() was unconditionally setting IL=1. Pass the right value for syn_aa32_bkpt()'s is_16bit argument. Cc: qemu-stable@nongnu.org Resolves: https://gitlab.com/qemu-project/qemu/-/work_items/3474 Fixes:43f7e42c7d("target/arm: Convert T16, Miscellaneous 16-bit instructions") Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20260505103726.419195-1-peter.maydell@linaro.org (cherry picked from commitf443b68763) Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>