diff options
Diffstat (limited to 'gcc/gcse.c')
| -rw-r--r-- | gcc/gcse.c | 5 |
1 files changed, 3 insertions, 2 deletions
@@ -1471,6 +1471,7 @@ hash_scan_set (rtx pat, rtx insn, struct hash_table_d *table) else if (flag_gcse_las && REG_P (src) && MEM_P (dest)) { unsigned int regno = REGNO (src); + int max_distance = 0; /* Do not do this for constant/copy propagation. */ if (! table->set_p @@ -1482,7 +1483,7 @@ hash_scan_set (rtx pat, rtx insn, struct hash_table_d *table) do that easily for EH edges so disable GCSE on these for now. */ && !can_throw_internal (insn) /* Is SET_DEST something we want to gcse? */ - && want_to_gcse_p (dest, NULL) + && want_to_gcse_p (dest, &max_distance) /* Don't CSE a nop. */ && ! set_noop_p (pat) /* Don't GCSE if it has attached REG_EQUIV note. @@ -1504,7 +1505,7 @@ hash_scan_set (rtx pat, rtx insn, struct hash_table_d *table) /* Record the memory expression (DEST) in the hash table. */ insert_expr_in_table (dest, GET_MODE (dest), insn, - antic_p, avail_p, 0, table); + antic_p, avail_p, max_distance, table); } } } |