(unroll_loop): Only use local_regno for pseudos.

From-SVN: r9641

diff --git a/gcc/unroll.c b/gcc/unroll.c
index d5a58208d83af9ab0408ae172c09edf333c58130..84a79ce2f25c9181633ba08b4035630918d03d34 100644 (file)
--- a/gcc/unroll.c
+++ b/gcc/unroll.c
@@ -728,7 +728,7 @@ unroll_loop (loop_end, insn_count, loop_start, end_insert_before,
     int copy_start_luid = INSN_LUID (copy_start);
     int copy_end_luid = INSN_LUID (copy_end);
 
-    for (j = 0; j < maxregnum; ++j)
+    for (j = FIRST_PSEUDO_REGISTER; j < maxregnum; ++j)
       {
        int first_uid = regno_first_uid[j];
        int last_uid = regno_last_uid[j];
@@ -952,7 +952,7 @@ unroll_loop (loop_end, insn_count, loop_start, end_insert_before,
                if (local_label[j])
                  map->label_map[j] = gen_label_rtx ();
 
-             for (j = 0; j < maxregnum; j++)
+             for (j = FIRST_PSEUDO_REGISTER; j < maxregnum; j++)
                if (local_regno[j])
                  map->reg_map[j] = gen_reg_rtx (GET_MODE (regno_reg_rtx[j]));
 
@@ -1093,7 +1093,7 @@ unroll_loop (loop_end, insn_count, loop_start, end_insert_before,
        if (local_label[j])
          map->label_map[j] = gen_label_rtx ();
 
-      for (j = 0; j < maxregnum; j++)
+      for (j = FIRST_PSEUDO_REGISTER; j < maxregnum; j++)
        if (local_regno[j])
          map->reg_map[j] = gen_reg_rtx (GET_MODE (regno_reg_rtx[j]));