PR target/50617

[pf3gnuchains/gcc-fork.git] / gcc / jump.c

diff --git a/gcc/jump.c b/gcc/jump.c
index 8dc78f2..f852f82 100644 (file)
--- a/gcc/jump.c
+++ b/gcc/jump.c
@@ -29,7 +29,8 @@ along with GCC; see the file COPYING3.  If not see
    JUMP_LABEL internal field.  With this we can detect labels that
    become unused because of the deletion of all the jumps that
    formerly used them.  The JUMP_LABEL info is sometimes looked
-   at by later passes.
+   at by later passes.  For return insns, it contains either a
+   RETURN or a SIMPLE_RETURN rtx.
 
    The subroutines redirect_jump and invert_jump are used
    from other passes as well.  */
@@ -775,10 +776,10 @@ condjump_p (const_rtx insn)
     return (GET_CODE (x) == IF_THEN_ELSE
            && ((GET_CODE (XEXP (x, 2)) == PC
                 && (GET_CODE (XEXP (x, 1)) == LABEL_REF
-                    || GET_CODE (XEXP (x, 1)) == RETURN))
+                    || ANY_RETURN_P (XEXP (x, 1))))
                || (GET_CODE (XEXP (x, 1)) == PC
                    && (GET_CODE (XEXP (x, 2)) == LABEL_REF
-                       || GET_CODE (XEXP (x, 2)) == RETURN))));
+                       || ANY_RETURN_P (XEXP (x, 2))))));
 }
 
 /* Return nonzero if INSN is a (possibly) conditional jump inside a
@@ -807,11 +808,11 @@ condjump_in_parallel_p (const_rtx insn)
     return 0;
   if (XEXP (SET_SRC (x), 2) == pc_rtx
       && (GET_CODE (XEXP (SET_SRC (x), 1)) == LABEL_REF
-         || GET_CODE (XEXP (SET_SRC (x), 1)) == RETURN))
+         || ANY_RETURN_P (XEXP (SET_SRC (x), 1))))
     return 1;
   if (XEXP (SET_SRC (x), 1) == pc_rtx
       && (GET_CODE (XEXP (SET_SRC (x), 2)) == LABEL_REF
-         || GET_CODE (XEXP (SET_SRC (x), 2)) == RETURN))
+         || ANY_RETURN_P (XEXP (SET_SRC (x), 2))))
     return 1;
   return 0;
 }
@@ -873,8 +874,9 @@ any_condjump_p (const_rtx insn)
   a = GET_CODE (XEXP (SET_SRC (x), 1));
   b = GET_CODE (XEXP (SET_SRC (x), 2));
 
-  return ((b == PC && (a == LABEL_REF || a == RETURN))
-         || (a == PC && (b == LABEL_REF || b == RETURN)));
+  return ((b == PC && (a == LABEL_REF || a == RETURN || a == SIMPLE_RETURN))
+         || (a == PC
+             && (b == LABEL_REF || b == RETURN || b == SIMPLE_RETURN)));
 }
 
 /* Return the label of a conditional jump.  */
@@ -911,6 +913,7 @@ returnjump_p_1 (rtx *loc, void *data ATTRIBUTE_UNUSED)
   switch (GET_CODE (x))
     {
     case RETURN:
+    case SIMPLE_RETURN:
     case EH_RETURN:
       return true;
 
@@ -1083,6 +1086,7 @@ mark_jump_label_1 (rtx x, rtx insn, bool in_mem, bool is_target)
       return;
 
     case RETURN:
+    case SIMPLE_RETURN:
       if (is_target)
        {
          gcc_assert (JUMP_LABEL (insn) == NULL || JUMP_LABEL (insn) == x);
@@ -1405,7 +1409,7 @@ redirect_exp_1 (rtx *loc, rtx olabel, rtx nlabel, rtx insn)
   int i;
   const char *fmt;
 
-      if ((code == LABEL_REF && XEXP (x, 0) == olabel)
+  if ((code == LABEL_REF && XEXP (x, 0) == olabel)
       || x == olabel)
     {
       x = redirect_target (nlabel);