On Tue, Sep 24, 2019 at 5:41 PM Max Filippov <jcmvb...@gmail.com> wrote: > > Xtensa hwloop_optimize segfaults when zero overhead loop is about to be > inserted as the first instruction of the function. > Insert zero overhead loop instruction into new basic block before the > loop when basic block that precedes the loop is empty. > > 2019-09-24 Max Filippov <jcmvb...@gmail.com> > gcc/ > * config/xtensa/xtensa.c (hwloop_optimize): Insert zero overhead > loop instruction into new basic block before the loop when basic > block that precedes the loop is empty. > > gcc/testsuite/ > * gcc.target/xtensa/pr91880.c: New test case. > * gcc.target/xtensa/xtensa.exp: New test suite. > --- > gcc/config/xtensa/xtensa.c | 5 ++-- > gcc/testsuite/gcc.target/xtensa/pr91880.c | 10 ++++++++ > gcc/testsuite/gcc.target/xtensa/xtensa.exp | 41 > ++++++++++++++++++++++++++++++ > 3 files changed, 54 insertions(+), 2 deletions(-) > create mode 100644 gcc/testsuite/gcc.target/xtensa/pr91880.c > create mode 100644 gcc/testsuite/gcc.target/xtensa/xtensa.exp
Approved. Thanks.
