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

From-SVN: r44442

* emit-rtl.c (adjust_address): Make a copy of the memory address.
From-SVN: r44442
c2f7bcc3 · Richard Henderson · Richard Henderson · 91d84fad · c2f7bcc3 · c2f7bcc3
Commit c2f7bcc3 authored Jul 28, 2001 by Richard Henderson Committed by Richard Henderson Jul 28, 2001
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gcc/ChangeLog
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gcc/emit-rtl.c
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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
 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.
 	(init_propagate_block_info): Use it.
 	(mark_set_1): Likewise.

--- 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