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Diffstat (limited to 'gcc/doc/md.texi')
| -rw-r--r-- | gcc/doc/md.texi | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/doc/md.texi b/gcc/doc/md.texi index 8c13fc1c2ed..f4f799dd86a 100644 --- a/gcc/doc/md.texi +++ b/gcc/doc/md.texi @@ -5999,6 +5999,14 @@ nondeterministic treatment means trying all alternatives, some of them may be rejected by reservations in the subsequent insns. You can not query functional unit reservations in nondeterministic automaton states. + +@item +@dfn{progress} means output of a progress bar showing how many states +were generated so far for automaton being processed. This is useful +during debugging a @acronym{DFA} description. If you see too many +generated states, you could interrupt the generator of the pipeline +hazard recognizer and try to figure out a reason for generation of the +huge automaton. @end itemize As an example, consider a superscalar @acronym{RISC} machine which can |