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-rw-r--r--gcc/store-motion.c24
1 files changed, 13 insertions, 11 deletions
diff --git a/gcc/store-motion.c b/gcc/store-motion.c
index 8d6f5f4..fdbc6b3 100644
--- a/gcc/store-motion.c
+++ b/gcc/store-motion.c
@@ -72,9 +72,9 @@ struct st_expr
/* List of registers mentioned by the mem. */
rtx pattern_regs;
/* INSN list of stores that are locally anticipatable. */
- rtx antic_stores;
+ rtx_insn_list *antic_stores;
/* INSN list of stores that are locally available. */
- rtx avail_stores;
+ rtx_insn_list *avail_stores;
/* Next in the list. */
struct st_expr * next;
/* Store ID in the dataflow bitmaps. */
@@ -156,8 +156,8 @@ st_expr_entry (rtx x)
ptr->next = store_motion_mems;
ptr->pattern = x;
ptr->pattern_regs = NULL_RTX;
- ptr->antic_stores = NULL_RTX;
- ptr->avail_stores = NULL_RTX;
+ ptr->antic_stores = NULL;
+ ptr->avail_stores = NULL;
ptr->reaching_reg = NULL_RTX;
ptr->index = 0;
ptr->hash_index = hash;
@@ -540,7 +540,7 @@ static void
find_moveable_store (rtx_insn *insn, int *regs_set_before, int *regs_set_after)
{
struct st_expr * ptr;
- rtx dest, set, tmp;
+ rtx dest, set;
int check_anticipatable, check_available;
basic_block bb = BLOCK_FOR_INSN (insn);
@@ -587,15 +587,16 @@ find_moveable_store (rtx_insn *insn, int *regs_set_before, int *regs_set_after)
check_anticipatable = 1;
else
{
- tmp = XEXP (ptr->antic_stores, 0);
+ rtx_insn *tmp = ptr->antic_stores->insn ();
if (tmp != NULL_RTX
&& BLOCK_FOR_INSN (tmp) != bb)
check_anticipatable = 1;
}
if (check_anticipatable)
{
+ rtx_insn *tmp;
if (store_killed_before (dest, ptr->pattern_regs, insn, bb, regs_set_before))
- tmp = NULL_RTX;
+ tmp = NULL;
else
tmp = insn;
ptr->antic_stores = alloc_INSN_LIST (tmp, ptr->antic_stores);
@@ -609,7 +610,7 @@ find_moveable_store (rtx_insn *insn, int *regs_set_before, int *regs_set_after)
check_available = 1;
else
{
- tmp = XEXP (ptr->avail_stores, 0);
+ rtx_insn *tmp = ptr->avail_stores->insn ();
if (BLOCK_FOR_INSN (tmp) != bb)
check_available = 1;
}
@@ -619,6 +620,7 @@ find_moveable_store (rtx_insn *insn, int *regs_set_before, int *regs_set_after)
failed last time. */
if (LAST_AVAIL_CHECK_FAILURE (ptr))
{
+ rtx_insn *tmp;
for (tmp = BB_END (bb);
tmp != insn && tmp != LAST_AVAIL_CHECK_FAILURE (ptr);
tmp = PREV_INSN (tmp))
@@ -646,7 +648,7 @@ compute_store_table (void)
unsigned regno;
#endif
rtx_insn *insn;
- rtx tmp;
+ rtx_insn *tmp;
df_ref def;
int *last_set_in, *already_set;
struct st_expr * ptr, **prev_next_ptr_ptr;
@@ -701,8 +703,8 @@ compute_store_table (void)
{
LAST_AVAIL_CHECK_FAILURE (ptr) = NULL_RTX;
if (ptr->antic_stores
- && (tmp = XEXP (ptr->antic_stores, 0)) == NULL_RTX)
- ptr->antic_stores = XEXP (ptr->antic_stores, 1);
+ && (tmp = ptr->antic_stores->insn ()) == NULL_RTX)
+ ptr->antic_stores = ptr->antic_stores->next ();
}
}