gcc/gcc/genattrtab.c

31    or a value that depends on tests on other attributes, the form of
68    insn.  EQ_ATTR tests are resolved, whenever possible, to a test that
250 /* An expression where all the unknown terms are EQ_ATTR tests can be
253    tests of the COND; the value of the expression given that combination is
258    If the set of EQ_ATTR tests used in an expression tests the value of N
276    `add_values_to_cover', all the EQ_ATTR tests in the original expression
1212   /* Make a COND with all tests but the last.  Select the last value via the
1329    explicitly tests each enumerated value.  */
1344   /* Make a COND with all tests but the last, and in the original order.
2371       /* See if any tests use addresses.  */
2561   rtunion *tests = (rtunion *) alloca (len * sizeof (rtunion));
2568   bcopy ((char *) XVEC (exp, 0)->elem, (char *) tests, len * sizeof (rtunion));
2574   /* Simplify the subexpressions, and see what tests we can get rid of.  */
2581       newtest = SIMPLIFY_TEST_EXP (tests[i].rtx, insn_code, insn_index);
2582       tests[i].rtx = newtest;
2584       newval = tests[i + 1].rtx;
2593 	     and discard this + any following tests.  */
2595 	  defval = tests[i + 1].rtx;
2603 	    tests[j].rtx = tests[j + 2].rtx;
2607       else if (i > 0 && attr_equal_p (newval, tests[i - 1].rtx))
2610 	     merge the tests.  */
2612 	  tests[i - 2].rtx
2613 	    = insert_right_side (IOR, tests[i - 2].rtx, newtest,
2618 	    tests[j].rtx = tests[j + 2].rtx;
2623 	tests[i + 1].rtx = newval;
2629   while (len > 0 && attr_equal_p (tests[len - 1].rtx, new_defval))
2637       if (! attr_equal_p (tests[i].rtx, XVECEXP (exp, 0, i)))
2660       bcopy ((char *) tests, (char *) XVEC (newexp, 0)->elem,
3603    equivalent expression that is a COND with the tests being all combinations
3687   /* Expand the tests and values by iterating over all values in the
3734      complex method where tests with the same value were combined didn't
3752    tests have known value.  */
4816    will be required to do any conditional tests in it.
5001 /* Write out a series of tests and assignment statements to perform tests and
5500 	 test, and the inner CASE tests the condition.  */
5648      the tests on the executing function within each.  */