Merge tag 'pull-misc-20240409' of https://gitlab.com/rth7680/qemu into staging

target/m68k: Fix fp accrued exception reporting
target/hppa: Fix IIAOQ, IIASQ for pa2.0
target/sh4: Fixes to mac.l and

Merge tag 'pull-misc-20240409' of https://gitlab.com/rth7680/qemu into staging

target/m68k: Fix fp accrued exception reporting
target/hppa: Fix IIAOQ, IIASQ for pa2.0
target/sh4: Fixes to mac.l and mac.w saturation
target/sh4: Fixes to illegal delay slot reporting
linux-user: Fix waitid return of siginfo_t and rusage
linux-user: Preserve unswapped siginfo_t for strace
tcg/optimize: Do not attempt to constant fold neg_vec
accel/tcg: Improve can_do_io management, mmio bug fix

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* tag 'pull-misc-20240409' of https://gitlab.com/rth7680/qemu:
linux-user: Preserve unswapped siginfo_t for strace
accel/tcg: Improve can_do_io management
target/s390x: Use insn_start from DisasContextBase
target/riscv: Use insn_start from DisasContextBase
target/microblaze: Use insn_start from DisasContextBase
target/i386: Preserve DisasContextBase.insn_start across rewind
target/hppa: Use insn_start from DisasContextBase
target/arm: Use insn_start from DisasContextBase
accel/tcg: Add insn_start to DisasContextBase
tcg: Add TCGContext.emit_before_op
target/m68k: Map FPU exceptions to FPSR register
target/sh4: add missing CHECK_NOT_DELAY_SLOT
target/sh4: Fix mac.w with saturation enabled
target/sh4: Fix mac.l with saturation enabled
target/sh4: Merge mach and macl into a union
target/sh4: mac.w: memory accesses are 16-bit words
target/hppa: Fix IIAOQ, IIASQ for pa2.0
linux-user: replace calloc() with g_new0()
linux-user: Fix waitid return of siginfo_t and rusage
tcg/optimize: Do not attempt to constant fold neg_vec

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

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target/sh4: Fix mac.l with saturation enabled

The saturation arithmetic logic in helper_macl is not correct.
I tested and verified this behavior on a SH7091.

Signed-off-by: Zack Buhman <zack@buhman

target/sh4: Fix mac.l with saturation enabled

The saturation arithmetic logic in helper_macl is not correct.
I tested and verified this behavior on a SH7091.

Signed-off-by: Zack Buhman <zack@buhman.org>
Message-Id: <20240404162641.27528-2-zack@buhman.org>
[rth: Reformat helper_macl, add a test case.]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>

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