https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81763
--- Comment #7 from H.J. Lu <hjl.tools at gmail dot com> --- (In reply to Mike Lothian from comment #6) > I tried the test case with > > gcc -O2 -march=native test.c -o test > > and > > gcc -O2 -march=native -mno-bmi test.c -o test > > Both executables seem to run with no output > > I've only seen the issue in radeonsi in Mesa with LLVM, I'm not sure what's > happening as the problem doesn't manifest when debugging is enabled so I'm > not sure how to create a smaller test case Compile radeonsi one function at a time with and without -mbmi to find out the smallest function which causes the problem with -mbmi. If the function is small enough, we can take a guess.
