[Bug target/63783] [4.9/5 Regression] [SH] Miscompilation of boolean negation on SH4 using -O2

[gcc-bugzilla at mkarcher dot dialup.fu-berlin.de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63783

--- Comment #8 from Michael Karcher <gcc-bugzilla at mkarcher dot dialup.fu-berlin.de> ---
Actually, the whole issue got me curious - I will try prepare a different patch
along your suggestions and compare the compiler output. If I don't report back
today, I probably won't do that in time, so don't hold your breath, though.