tree 8b3e6d9d0ca14105c8ef063827e5cd18481449c1
parent c97e8977dcacb3fa8362ee28bcee75ceb01fceaa
author Zack Buhman <zack@buhman.org> 1712373107 -1000
committer Richard Henderson <richard.henderson@linaro.org> 1712684611 -1000

target/sh4: Fix mac.w with saturation enabled

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

Reviewd-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Zack Buhman <zack@buhman.org>
Message-Id: <20240405233802.29128-3-zack@buhman.org>
[rth: Reformat helper_macw, add a test case.]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>