diff options
Diffstat (limited to 'gcc/lra-spills.cc')
| -rw-r--r-- | gcc/lra-spills.cc | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/gcc/lra-spills.cc b/gcc/lra-spills.cc index 8b1a945d632..08ec247bc00 100644 --- a/gcc/lra-spills.cc +++ b/gcc/lra-spills.cc @@ -566,8 +566,31 @@ spill_pseudos (void) "Debug insn #%u is reset because it referenced " "removed pseudo\n", INSN_UID (insn)); } - bitmap_and_compl_into (df_get_live_in (bb), spilled_pseudos); - bitmap_and_compl_into (df_get_live_out (bb), spilled_pseudos); + bitmap_and_compl_into (df_get_subreg_live_in (bb), spilled_pseudos); + bitmap_and_compl_into (df_get_subreg_live_out (bb), spilled_pseudos); + + if (flag_track_subreg_liveness) + { + bitmap_and_compl_into (df_get_subreg_live_full_in (bb), + spilled_pseudos); + bitmap partial_in = df_get_subreg_live_partial_in (bb); + subregs_live *range_in = df_get_subreg_live_range_in (bb); + unsigned int regno; + bitmap_iterator bi; + EXECUTE_IF_AND_IN_BITMAP (partial_in, spilled_pseudos, + FIRST_PSEUDO_REGISTER, regno, bi) + range_in->remove_range (regno); + bitmap_and_compl_into (partial_in, spilled_pseudos); + + bitmap_and_compl_into (df_get_subreg_live_full_out (bb), + spilled_pseudos); + bitmap partial_out = df_get_subreg_live_partial_out (bb); + subregs_live *range_out = df_get_subreg_live_range_out (bb); + EXECUTE_IF_AND_IN_BITMAP (partial_out, spilled_pseudos, + FIRST_PSEUDO_REGISTER, regno, bi) + range_out->remove_range (regno); + bitmap_and_compl_into (partial_out, spilled_pseudos); + } } } } |