* recog.c (search_ofs): New static variable moved from...

	(peep2_find_free_register): ...here.
	(peephole2_optimize): Initialize it.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@204052 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 63e265a..9738fbc 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2013-10-25  Eric Botcazou  <ebotcazou@adacore.com>
+
+       * recog.c (search_ofs): New static variable moved from...
+       (peep2_find_free_register): ...here.
+       (peephole2_optimize): Initialize it.
+
 2013-10-02  John David Anglin  <danglin@gcc.gnu.org>
 
        * config.gcc (hppa*64*-*-linux*): Don't add pa/t-linux to tmake_file.

diff --git a/gcc/recog.c b/gcc/recog.c
index 4371162..32ed021 100644 (file)
--- a/gcc/recog.c
+++ b/gcc/recog.c
@@ -3030,6 +3030,9 @@ peep2_reg_dead_p (int ofs, rtx reg)
   return 1;
 }
 
+/* Regno offset to be used in the register search.  */
+static int search_ofs;
+
 /* Try to find a hard register of mode MODE, matching the register class in
    CLASS_STR, which is available at the beginning of insn CURRENT_INSN and
    remains available until the end of LAST_INSN.  LAST_INSN may be NULL_RTX,
@@ -3045,7 +3048,6 @@ rtx
 peep2_find_free_register (int from, int to, const char *class_str,
                          enum machine_mode mode, HARD_REG_SET *reg_set)
 {
-  static int search_ofs;
   enum reg_class cl;
   HARD_REG_SET live;
   df_ref *def_rec;
@@ -3488,6 +3490,7 @@ peephole2_optimize (void)
   /* Initialize the regsets we're going to use.  */
   for (i = 0; i < MAX_INSNS_PER_PEEP2 + 1; ++i)
     peep2_insn_data[i].live_before = BITMAP_ALLOC (&reg_obstack);
+  search_ofs = 0;
   live = BITMAP_ALLOC (&reg_obstack);
 
   FOR_EACH_BB_REVERSE (bb)