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emit-rtl.c (gen_highpart): Add check for NULL_RTX.

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2002-01-06  Craig Rodrigues  <rodrigc@gcc.gnu.org>

        * emit-rtl.c (gen_highpart): Add check for NULL_RTX.

From-SVN: r48586
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Craig Rodrigues 2002-01-06 20:54:52 +00:00
parent a858ca75e2
commit 13b8c631f3
2 changed files with 5 additions and 1 deletions
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gcc/ChangeLog
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@ -1,3 +1,7 @@
2002-01-06 Craig Rodrigues <rodrigc@gcc.gnu.org>
* emit-rtl.c (gen_highpart): Add check for NULL_RTX.
2002-01-06 Jakub Jelinek <jakub@redhat.com>
* objc/objc-act.c (handle_impent): Use assemble_variable to emit

2
gcc/emit-rtl.c
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@ -1200,7 +1200,7 @@ gen_highpart (mode, x)
/* simplify_gen_subreg is not guaranteed to return a valid operand for
the target if we have a MEM. gen_highpart must return a valid operand,
emitting code if necessary to do so. */
if (GET_CODE (result) == MEM)
if (result != NULL_RTX && GET_CODE (result) == MEM)
result = validize_mem (result);
if (!result)