On 07/14/15 04:25, Thomas Schwinge wrote:

        addr = gen_rtx_MEM (mode, addr);
        addr = gen_rtx_UNSPEC (mode, gen_rtvec (1, addr), UNSPEC_SHARED_DATA);
-       if (pm & PM_read)
+       if (pm == PM_read)
          res = gen_rtx_SET (addr, reg);
-       if (pm & PM_write)
+       else if (pm == PM_write)
          res = gen_rtx_SET (reg, addr);
+       else
+         gcc_unreachable ();

OK. or maybe assert (pm == PM_write) inside the else?  your call

nathan

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