bug in 2.2.2?

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2 total messages Started by Michael Gersten Sat, 03 Oct 1992 18:07

#1248

Author: Michael Gersten
Date: Sat, 03 Oct 1992 18:07

26 lines
1258 bytes

In optabs.c, routine expand_binop(), is code that looks like

      if (! (*insn_operand_predicate[icode][1]) (xop0, mode0))
	xop0 = copy_to_mode_reg (mode0, xop0);

Note that this calls the specified predicate, even if the predicate
was "", i.e., no restriction on this one. This turns into a call to
address 0.

Is this an error in my md? Or is this a gcc problem?

Here's the stuff from md:

(define_insn "addsi3"
        [ (set (match_operand:SI 0 "general_operand" "=r")
                (plus (match_operand:SI 1 "" "%0")
                        (match_operand:SI 2 "mode_RD_operand" "g"))
        )]
        ""
        "*
        { return make2Ins (\"DA\", MR|MD|MDX); }"
)
--
		Michael Gersten		michael@stb.info.com
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bug in 2.2.2?

#1251

Author: Richard Stallman
Date: Sat, 03 Oct 1992 20:16

1 lines
463 bytes

These insn patterns must always have a predicate.

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