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c365e6b070
qemu/target/sh4
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Philippe Mathieu-Daudé c365e6b070 target/sh4: Fix ADDV opcode 
The documentation says:

  ADDV Rm, Rn        Rn + Rm -> Rn, overflow -> T

But QEMU implementation was:

  ADDV Rm, Rn        Rn + Rm -> Rm, overflow -> T

Fix by filling the correct Rm register.

Add tests provided by Paul Cercueil.

Cc: qemu-stable@nongnu.org
Fixes: ad8d25a11f ("target-sh4: implement addv and subv using TCG")
Reported-by: Paul Cercueil <paul@crapouillou.net>
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2317
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Message-Id: <20240430163125.77430-2-philmd@linaro.org>
2024-05-03 17:33:26 +02:00
..
cpu-param.h target/sh4: Remove NB_MMU_MODES define 2023-03-13 06:44:37 -07:00
cpu-qom.h target: Move ArchCPUClass definition to 'cpu.h' 2023-11-07 13:08:48 +01:00
cpu.c hw, target: Add ResetType argument to hold and exit phase methods 2024-04-25 10:21:06 +01:00
cpu.h target/sh4: Merge mach and macl into a union 2024-04-09 07:43:31 -10:00
gdbstub.c target/sh4: Prefer fast cpu_env() over slower CPU QOM cast macro 2024-03-12 12:04:24 +01:00
helper.c target/sh4: Prefer fast cpu_env() over slower CPU QOM cast macro 2024-03-12 12:04:24 +01:00
helper.h target/sh4: Fix mac.w with saturation enabled 2024-04-09 07:43:31 -10:00
Kconfig meson: Introduce target-specific Kconfig 2021-07-09 18:21:34 +02:00
meson.build meson: Rename target_softmmu_arch -> target_system_arch 2023-10-07 19:03:07 +02:00
monitor.c hmp: Pass monitor to mon_get_cpu_env() 2020-11-13 12:45:51 +00:00
op_helper.c target/sh4: Fix mac.w with saturation enabled 2024-04-09 07:43:31 -10:00
translate.c target/sh4: Fix ADDV opcode 2024-05-03 17:33:26 +02:00