From: Steve Ellcey <sje@cup.hp.com>
Date: Wed, 3 Apr 2002 02:33:07 +0000 (+0000)
Subject: builtins.c (expand_builtin_prefetch): Force op0 pointer to Pmode if POINTERS_EXTEND_U... 
X-Git-Tag: releases/gcc-3.3.0~5937
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=1e533e4b01eb29c88d4f8f09a7018eba5560b4f2;p=thirdparty%2Fgcc.git

builtins.c (expand_builtin_prefetch): Force op0 pointer to Pmode if POINTERS_EXTEND_UNSIGNED is defined.

        * builtins.c (expand_builtin_prefetch): Force op0 pointer to Pmode
        if POINTERS_EXTEND_UNSIGNED is defined.

From-SVN: r51778
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f26b3c892484..55596999468a 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2002-04-02  Steve Ellcey  <sje@cup.hp.com>
+
+	* builtins.c (expand_builtin_prefetch): Force op0 pointer to Pmode
+	if POINTERS_EXTEND_UNSIGNED is defined.
+
 2002-04-02  Richard Henderson  <rth@redhat.com>
 
 	PR opt/3967
diff --git a/gcc/builtins.c b/gcc/builtins.c
index effd70d43ed3..dcbc6dab23e5 100644
--- a/gcc/builtins.c
+++ b/gcc/builtins.c
@@ -787,10 +787,17 @@ expand_builtin_prefetch (arglist)
 #ifdef HAVE_prefetch
   if (HAVE_prefetch)
     {
-      if (! (*insn_data[(int)CODE_FOR_prefetch].operand[0].predicate)
-	    (op0,
-	     insn_data[(int)CODE_FOR_prefetch].operand[0].mode))
-        op0 = force_reg (Pmode, op0);
+      if ((! (*insn_data[(int)CODE_FOR_prefetch].operand[0].predicate)
+	     (op0,
+	      insn_data[(int)CODE_FOR_prefetch].operand[0].mode)) ||
+          (GET_MODE(op0) != Pmode))
+        {
+#ifdef POINTERS_EXTEND_UNSIGNED
+	  if (GET_MODE(op0) != Pmode)
+	    op0 = convert_memory_address (Pmode, op0);
+#endif
+          op0 = force_reg (Pmode, op0);
+        }
       emit_insn (gen_prefetch (op0, op1, op2));
     }
   else