* flow.c (mark_used_reg): Set reg_cond_reg appropriately.

From-SVN: r35727

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 71c99bc..5f5960a 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2000-08-15  Richard Henderson  <rth@cygnus.com>
+
+       * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
+
 2000-08-15  Richard Earnshaw <rearnsha@arm.com>
 
        * arm.c (arm_function_ok_for_sibcall): New function.

diff --git a/gcc/flow.c b/gcc/flow.c
index e5df347..98ed692 100644 (file)
--- a/gcc/flow.c
+++ b/gcc/flow.c
@@ -4617,8 +4617,7 @@ mark_regno_cond_dead (pbi, regno, cond)
          splay_tree_insert (pbi->reg_cond_dead, regno,
                             (splay_tree_value) rcli);
 
-         SET_REGNO_REG_SET (pbi->reg_cond_reg,
-                            REGNO (XEXP (cond, 0)));
+         SET_REGNO_REG_SET (pbi->reg_cond_reg, REGNO (XEXP (cond, 0)));
 
          /* Not unconditionaly dead.  */
          return 0;
@@ -4639,8 +4638,7 @@ mark_regno_cond_dead (pbi, regno, cond)
            {
              rcli->condition = ncond;
 
-             SET_REGNO_REG_SET (pbi->reg_cond_reg,
-                                REGNO (XEXP (cond, 0)));
+             SET_REGNO_REG_SET (pbi->reg_cond_reg, REGNO (XEXP (cond, 0)));
 
              /* Not unconditionaly dead.  */
              return 0;
@@ -5240,7 +5238,10 @@ mark_used_reg (pbi, reg, cond, insn)
                  splay_tree_remove (pbi->reg_cond_dead, regno);
                }
              else
-               rcli->condition = ncond;
+               {
+                 rcli->condition = ncond;
+                 SET_REGNO_REG_SET (pbi->reg_cond_reg, REGNO (XEXP (cond, 0)));
+               }
            }
        }
       else
@@ -5251,6 +5252,8 @@ mark_used_reg (pbi, reg, cond, insn)
          rcli->condition = not_reg_cond (cond);
          splay_tree_insert (pbi->reg_cond_dead, regno,
                             (splay_tree_value) rcli);
+
+         SET_REGNO_REG_SET (pbi->reg_cond_reg, REGNO (XEXP (cond, 0)));
        }
     }
   else if (some_was_live)