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-rw-r--r--gcc/lra-spills.cc27
1 files changed, 25 insertions, 2 deletions
diff --git a/gcc/lra-spills.cc b/gcc/lra-spills.cc
index 8b1a945..08ec247 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);
+ }
}
}
}