| #
b9dbf6f9 |
| 30-Mar-2024 |
Peter Maydell <peter.maydell@linaro.org> |
Merge tag 'pull-tcg-20240329' of https://gitlab.com/rth7680/qemu into staging
linux-user: Fix shmat(NULL) for host != guest page size
tcg/optimize: Fix sign_mask for logical right-shift
accel/tcg: U
Merge tag 'pull-tcg-20240329' of https://gitlab.com/rth7680/qemu into staging
linux-user: Fix shmat(NULL) for host != guest page size
tcg/optimize: Fix sign_mask for logical right-shift
accel/tcg: Use CPUState.get_pc in cpu_io_recompile
disas: Show opcodes for target_disas and monitor_disas
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* tag 'pull-tcg-20240329' of https://gitlab.com/rth7680/qemu:
accel/tcg: Use CPUState.get_pc in cpu_io_recompile
disas: Show opcodes for target_disas and monitor_disas
tcg/optimize: Fix sign_mask for logical right-shift
tests/tcg: Test shmat(NULL)
linux-user: Fix shmat(NULL) for h != g
linux-user: Fix shmat() strace
linux-user: Fix semctl() strace
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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| #
2911e9b9 |
| 26-Mar-2024 |
Richard Henderson <richard.henderson@linaro.org> |
tcg/optimize: Fix sign_mask for logical right-shift
The 'sign' computation is attempting to locate the sign bit that has
been repeated, so that we can test if that bit is known zero. That
computati
tcg/optimize: Fix sign_mask for logical right-shift
The 'sign' computation is attempting to locate the sign bit that has
been repeated, so that we can test if that bit is known zero. That
computation can be zero if there are no known sign repetitions.
Cc: qemu-stable@nongnu.org
Fixes: 93a967fbb57 ("tcg/optimize: Propagate sign info for shifting")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2248
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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