target/riscv: AMO operations always raise store/AMO fault

target/riscv: AMO operations always raise store/AMO fault

This patch adds one more word for tcg compile which can be obtained during
unwind time to determine fault type for original operation (example AMO).
Depending on that, fault can be promoted to store/AMO fault.

Signed-off-by: Deepak Gupta <debug@rivosinc.com>
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20241008225010.1861630-15-debug@rivosinc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>