From: Richard Henderson <rth@redhat.com>
Date: Sun, 29 Jul 2001 01:35:13 +0000 (-0700)
Subject: * emit-rtl.c (adjust_address): Make a copy of the memory address.
X-Git-Tag: prereleases/libstdc++-3.0.95~3000
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c2f7bcc3c2e2fab32cec4190d494137fab5e4307;p=thirdparty%2Fgcc.git

* emit-rtl.c (adjust_address): Make a copy of the memory address.

From-SVN: r44442
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 42d3f44744f0..085ae8bf5635 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2001-07-28  Richard Henderson  <rth@redhat.com>
+
+	* emit-rtl.c (adjust_address): Make a copy of the memory address.
+
 2001-07-28  Richard Henderson  <rth@redhat.com>
 
 	* flow.c (add_to_mem_set_list): New function.
diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c
index 5c021772a347..46243cd0c23e 100644
--- a/gcc/emit-rtl.c
+++ b/gcc/emit-rtl.c
@@ -1636,6 +1636,9 @@ adjust_address (memref, mode, offset)
      will do memref tracking.  */
   rtx addr = XEXP (memref, 0);
 
+  /* ??? Prefer to create garbage instead of creating shared rtl.  */
+  addr = copy_rtx (addr);
+
   /* If MEMREF is a LO_SUM and the offset is within the alignment of the
      object, we can merge it into the LO_SUM.  */
   if (GET_MODE (memref) != BLKmode && GET_CODE (addr) == LO_SUM