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authorTrevor Saunders <tbsaunde+gcc@tbsaunde.org>2016-07-06 23:53:10 +0000
committerTrevor Saunders <tbsaunde@gcc.gnu.org>2016-07-06 23:53:10 +0000
commit5c576429715342e1a4a7f6346022bd93f473b8ee (patch)
tree48a9c4a28bb87559607794068742cad6c601ac45 /gcc/gcse.c
parent6dbe4c9e2480349578199074b959502b859f7fcc (diff)
remove unused loads rtx_insn_list
gcc/ChangeLog: 2016-07-06 Trevor Saunders <tbsaunde+gcc@tbsaunde.org> * gcse.c (struct ls_expr): Remove loads field. (ldst_entry): Adjust. (free_ldst_entry): Likewise. (print_ldst_list): Likewise. (compute_ld_motion_mems): Likewise. From-SVN: r238064
Diffstat (limited to 'gcc/gcse.c')
-rw-r--r--gcc/gcse.c14
1 files changed, 1 insertions, 13 deletions
diff --git a/gcc/gcse.c b/gcc/gcse.c
index a3a7dc31353..127a65a871d 100644
--- a/gcc/gcse.c
+++ b/gcc/gcse.c
@@ -342,7 +342,6 @@ struct ls_expr
struct gcse_expr * expr; /* Gcse expression reference for LM. */
rtx pattern; /* Pattern of this mem. */
rtx pattern_regs; /* List of registers mentioned by the mem. */
- rtx_insn_list *loads; /* INSN list of loads seen. */
rtx_insn_list *stores; /* INSN list of stores seen. */
struct ls_expr * next; /* Next in the list. */
int invalid; /* Invalid for some reason. */
@@ -3605,7 +3604,6 @@ ldst_entry (rtx x)
ptr->expr = NULL;
ptr->pattern = x;
ptr->pattern_regs = NULL_RTX;
- ptr->loads = NULL;
ptr->stores = NULL;
ptr->reaching_reg = NULL_RTX;
ptr->invalid = 0;
@@ -3622,7 +3620,6 @@ ldst_entry (rtx x)
static void
free_ldst_entry (struct ls_expr * ptr)
{
- free_INSN_LIST_list (& ptr->loads);
free_INSN_LIST_list (& ptr->stores);
free (ptr);
@@ -3663,13 +3660,6 @@ print_ldst_list (FILE * file)
print_rtl (file, ptr->pattern);
- fprintf (file, "\n Loads : ");
-
- if (ptr->loads)
- print_rtl (file, ptr->loads);
- else
- fprintf (file, "(nil)");
-
fprintf (file, "\n Stores : ");
if (ptr->stores)
@@ -3801,9 +3791,7 @@ compute_ld_motion_mems (void)
if (MEM_P (src) && simple_mem (src))
{
ptr = ldst_entry (src);
- if (REG_P (dest))
- ptr->loads = alloc_INSN_LIST (insn, ptr->loads);
- else
+ if (!REG_P (dest))
ptr->invalid = 1;
}
else