Don't use MEM_ALIAS_SET on a REG

From-SVN: r38653

Don't use MEM_ALIAS_SET on a REG
From-SVN: r38653
432fd734 · Bernd Schmidt · Bernd Schmidt · 1104c18d · 432fd734 · 432fd734
Commit 432fd734 authored Jan 03, 2001 by Bernd Schmidt Committed by Bernd Schmidt Jan 03, 2001
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gcc/ChangeLog
+5 -0

gcc/builtins.c
+2 -1

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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
+2001-01-01  Bernd Schmidt  <bernds@redhat.com>
+
+	* builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
+	a REG rtx.
+
 2001-01-03  Alexandre Oliva  <aoliva@redhat.com>

 	* combine.c (simplify_shift_const): Even if we're sign-extracting,

--- a/gcc/builtins.c
+++ b/gcc/builtins.c
@@ -432,8 +432,9 @@ expand_builtin_return_addr (fndecl_code, count, tem)
      tem = DYNAMIC_CHAIN_ADDRESS (tem);
 #endif
      tem = memory_address (Pmode, tem);
-      tem = copy_to_reg (gen_rtx_MEM (Pmode, tem));
+      tem = gen_rtx_MEM (Pmode, tem);
      MEM_ALIAS_SET (tem) = get_frame_alias_set ();
+      tem = copy_to_reg (tem);
    }

  /* For __builtin_frame_address, return what we've got.  */