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-rw-r--r--gcc/lra-lives.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/gcc/lra-lives.c b/gcc/lra-lives.c
index 0e97cd81429..03def823a10 100644
--- a/gcc/lra-lives.c
+++ b/gcc/lra-lives.c
@@ -704,7 +704,13 @@ process_bb_lives (basic_block bb, int &curr_point)
set = single_set (curr_insn);
if (set != NULL_RTX
- && REG_P (SET_DEST (set)) && REGNO (SET_DEST (set)) >= FIRST_PSEUDO_REGISTER)
+ && REG_P (SET_DEST (set)) && REGNO (SET_DEST (set)) >= FIRST_PSEUDO_REGISTER
+ && find_reg_note (curr_insn, REG_EH_REGION, NULL_RTX) == NULL_RTX
+ && ! may_trap_p (PATTERN (curr_insn))
+ /* Don't do premature remove of pic offset pseudo as we can
+ start to use it after some reload generation. */
+ && (pic_offset_table_rtx == NULL_RTX
+ || pic_offset_table_rtx != SET_DEST (set)))
{
bool dead_insn_p = true;
@@ -1273,7 +1279,8 @@ lra_create_live_ranges (bool all_p)
df_get_postorder (DF_BACKWARD), df_get_n_blocks (DF_BACKWARD));
if (lra_dump_file != NULL)
{
- fprintf (lra_dump_file, "Global pseudo live data have be updated:\n");
+ fprintf (lra_dump_file,
+ "Global pseudo live data have been updated:\n");
basic_block bb;
FOR_EACH_BB_FN (bb, cfun)
{