* config/rs6000/rs6000.c (is_mem_ref): Ignore STACK_TIE.
From-SVN: r130791
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@ -1,3 +1,7 @@
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2007-12-12 David Edelsohn <edelsohn@gnu.org>
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* config/rs6000/rs6000.c (is_mem_ref): Ignore STACK_TIE.
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2007-12-12 Aldy Hernandez <aldyh@redhat.com>
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2007-12-12 Aldy Hernandez <aldyh@redhat.com>
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PR tree-optimization/32901
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PR tree-optimization/32901
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@ -18383,6 +18383,11 @@ is_mem_ref (rtx pat)
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int i, j;
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int i, j;
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bool ret = false;
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bool ret = false;
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/* stack_tie does not produce any real memory traffic. */
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if (GET_CODE (pat) == UNSPEC
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&& XINT (pat, 1) == UNSPEC_TIE)
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return false;
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if (GET_CODE (pat) == MEM)
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if (GET_CODE (pat) == MEM)
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return true;
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return true;
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