From b8093d021225d5b4d492c34c2c5442868e4767ca Mon Sep 17 00:00:00 2001
From: Richard Stallman <rms@gnu.org>
Date: Fri, 6 Mar 1992 03:15:07 +0000
Subject: [PATCH] *** empty log message ***

From-SVN: r399
---
 gcc/objc/objc-act.c | 29 +++++++++++++++--------------
 gcc/reload1.c       |  2 +-
 2 files changed, 16 insertions(+), 15 deletions(-)

diff --git a/gcc/objc/objc-act.c b/gcc/objc/objc-act.c
index 48645923499..3e525cf3994 100644
--- a/gcc/objc/objc-act.c
+++ b/gcc/objc/objc-act.c
@@ -2603,24 +2603,25 @@ receiver_is_class_object (receiver)
    * ...check if it is a call to objc_getClass, if so, give it
    * special treatment.
    */
-  tree exp = 0;
+  tree exp = TREE_OPERAND (receiver, 0);
 
-  if ((exp = TREE_OPERAND (receiver, 0)) && (TREE_CODE (exp) == ADDR_EXPR))
+  if (exp != 0 && (TREE_CODE (exp) == ADDR_EXPR))
     {
-      if ((exp = TREE_OPERAND (exp, 0)) && 
-	  (TREE_CODE (exp) == FUNCTION_DECL) && exp == objc_getClass_decl)
+      exp = TREE_OPERAND (exp, 0);
+      if (exp != 0
+	  && TREE_CODE (exp) == FUNCTION_DECL && exp == objc_getClass_decl)
 	{
 	  /* we have a call to objc_getClass! */
-	  tree arg = 0;
-    
-	  if ((arg = TREE_OPERAND (receiver, 1)) &&
-	      (TREE_CODE (arg) == TREE_LIST) &&
-	      (arg = TREE_VALUE (arg)) &&
-	      (TREE_CODE (arg) == NOP_EXPR) &&
-	      (arg = TREE_OPERAND (arg, 0)) &&
-	      (TREE_CODE (arg) == ADDR_EXPR) &&
-	      (arg = TREE_OPERAND (arg, 0)) &&
-	      (TREE_CODE (arg) == STRING_CST))
+	  tree arg = TREE_OPERAND (receiver, 1);
+
+	  if (arg != 0
+	      && TREE_CODE (arg) == TREE_LIST
+	      && arg = TREE_VALUE (arg)
+	      && TREE_CODE (arg) == NOP_EXPR
+	      && arg = TREE_OPERAND (arg, 0)
+	      && TREE_CODE (arg) == ADDR_EXPR
+	      && arg = TREE_OPERAND (arg, 0)
+	      && TREE_CODE (arg) == STRING_CST)
 	    /* finally, we have the class name */
 	    return get_identifier (TREE_STRING_POINTER (arg));
 	}
diff --git a/gcc/reload1.c b/gcc/reload1.c
index 0ecb2fe378e..6daca822107 100644
--- a/gcc/reload1.c
+++ b/gcc/reload1.c
@@ -702,7 +702,7 @@ reload (first, global, dumpfile)
     if (reg_renumber[i] == -1 && reg_n_refs[i] != 0)
       break;
 
-  if (i == max_regno && num_eliminable = 0 && ! caller_save_needed)
+  if (i == max_regno && num_eliminable == 0 && ! caller_save_needed)
     return;
 #endif