PR 49214 fd_gets should return NULL if nothing was read

[pf3gnuchains/gcc-fork.git] / gcc / caller-save.c

diff --git a/gcc/caller-save.c b/gcc/caller-save.c
index 54de30b..369b55c 100644 (file)
--- a/gcc/caller-save.c
+++ b/gcc/caller-save.c
@@ -82,7 +82,7 @@ static int reg_restore_code (int, enum machine_mode);
 
 struct saved_hard_reg;
 static void initiate_saved_hard_regs (void);
-static struct saved_hard_reg *new_saved_hard_reg (int, int);
+static void new_saved_hard_reg (int, int);
 static void finish_saved_hard_regs (void);
 static int saved_hard_reg_compare_func (const void *, const void *);
 
@@ -346,7 +346,7 @@ initiate_saved_hard_regs (void)
 
 /* Allocate and return new saved hard register with given REGNO and
    CALL_FREQ.  */
-static struct saved_hard_reg *
+static void
 new_saved_hard_reg (int regno, int call_freq)
 {
   struct saved_hard_reg *saved_reg;
@@ -359,7 +359,6 @@ new_saved_hard_reg (int regno, int call_freq)
   saved_reg->call_freq = call_freq;
   saved_reg->first_p = FALSE;
   saved_reg->next = -1;
-  return saved_reg;
 }
 
 /* Free memory allocated for the saved hard registers.  */
@@ -463,7 +462,7 @@ setup_save_areas (void)
            if (hard_reg_map[regno] != NULL)
              hard_reg_map[regno]->call_freq += freq;
            else
-             saved_reg = new_saved_hard_reg (regno, freq);
+             new_saved_hard_reg (regno, freq);
            SET_HARD_REG_BIT (hard_regs_used, regno);
          }
       /* Look through all live pseudos, mark their hard registers.  */
@@ -483,7 +482,7 @@ setup_save_areas (void)
                if (hard_reg_map[r] != NULL)
                  hard_reg_map[r]->call_freq += freq;
                else
-                 saved_reg = new_saved_hard_reg (r, freq);
+                 new_saved_hard_reg (r, freq);
                 SET_HARD_REG_BIT (hard_regs_to_save, r);
                 SET_HARD_REG_BIT (hard_regs_used, r);
              }