diff options
Diffstat (limited to 'gcc/yara-final.c')
| -rw-r--r-- | gcc/yara-final.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/gcc/yara-final.c b/gcc/yara-final.c index dae5d215ebe..3c05f683f3c 100644 --- a/gcc/yara-final.c +++ b/gcc/yara-final.c @@ -103,6 +103,10 @@ unnecessary_copy_p (copy_t cp) } else if (ALLOCNO_USE_EQUIV_CONST_P (dst)) return true; + else if (ALLOCNO_MEMORY_SLOT (dst) != NULL + && ALLOCNO_MEMORY_SLOT (dst)->mem != NULL_RTX + && reg_equiv_set_p [ALLOCNO_REGNO (dst)]) + return true; else if (ALLOCNO_MEMORY_SLOT (src) != NULL && ALLOCNO_MEMORY_SLOT (dst) != NULL) { @@ -618,9 +622,9 @@ initiate_locations (void) "location conflicts"); memset (reg_locs, 0, sizeof (reg_locs)); mem_locs = yara_allocate (sizeof (struct loc *) - * (slot_memory_size + equiv_memory_num)); + * (slot_memory_size + equiv_memory_num + 16)); memset (mem_locs, 0, - sizeof (struct loc *) * (slot_memory_size + equiv_memory_num)); + sizeof (struct loc *) * (slot_memory_size + equiv_memory_num + 16)); max_mem_loc_len = -1; for (i = 0; i < FIRST_PSEUDO_REGISTER; i++) reg_locs [i] = NULL; @@ -2883,7 +2887,7 @@ modify_insn (rtx insn, bool non_operand_p) else if (INSN_ALLOCNO_USE_WITHOUT_CHANGE_P (a)) ; else - *loc = copy_rtx (*INSN_ALLOCNO_LOC (origin)); + *loc = copy_rtx (*INSN_ALLOCNO_LOC (origin)); } else if (ALLOCNO_USE_EQUIV_CONST_P (a)) { |