diff options
Diffstat (limited to 'gcc/lra.c')
| -rw-r--r-- | gcc/lra.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/gcc/lra.c b/gcc/lra.c index ec20aed4492..42b58714d41 100644 --- a/gcc/lra.c +++ b/gcc/lra.c @@ -2473,7 +2473,7 @@ lra (FILE *f) But don't remove dead insns or change global live info as we can undo inheritance transformations after inheritance pseudo assigning. */ - lra_create_live_ranges (true, false); + lra_create_live_ranges (true, !lra_simple_p); live_p = true; /* If we don't spill non-reload and non-inheritance pseudos, there is no sense to run memory-memory move @@ -2514,6 +2514,11 @@ lra (FILE *f) } } while (fails_p); + if (! live_p) { + /* We need the correct reg notes for work of constraint sub-pass. */ + lra_create_live_ranges (true, true); + live_p = true; + } } /* Don't clear optional reloads bitmap until all constraints are satisfied as we need to differ them from regular reloads. */ |