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/* Subroutines for insn-output.c for Vax.
Copyright (C) 1987 Free Software Foundation, Inc.
This file is part of GNU CC.
GNU CC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 1, or (at your option)
any later version.
GNU CC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU CC; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#include <stdio.h>
/* This function allows any constant operand, even on VMS where some
constants are not normally legitimate. */
int
supergeneral_operand (x, mode)
rtx x;
enum machine_mode mode;
{
return (CONSTANT_P (x) || general_operand (x, mode));
}
print_operand_address (file, addr)
FILE *file;
register rtx addr;
{
register rtx reg1, reg2, breg, ireg;
rtx offset;
retry:
switch (GET_CODE (addr))
{
case MEM:
fprintf (file, "*");
addr = XEXP (addr, 0);
goto retry;
case REG:
fprintf (file, "(%s)", reg_names[REGNO (addr)]);
break;
case PRE_DEC:
fprintf (file, "-(%s)", reg_names[REGNO (XEXP (addr, 0))]);
break;
case POST_INC:
fprintf (file, "(%s)+", reg_names[REGNO (XEXP (addr, 0))]);
break;
case PLUS:
reg1 = 0; reg2 = 0;
ireg = 0; breg = 0;
offset = 0;
if (CONSTANT_ADDRESS_P (XEXP (addr, 0))
|| GET_CODE (XEXP (addr, 0)) == MEM)
{
offset = XEXP (addr, 0);
addr = XEXP (addr, 1);
}
else if (CONSTANT_ADDRESS_P (XEXP (addr, 1))
|| GET_CODE (XEXP (addr, 1)) == MEM)
{
offset = XEXP (addr, 1);
addr = XEXP (addr, 0);
}
if (GET_CODE (addr) != PLUS)
;
else if (GET_CODE (XEXP (addr, 0)) == MULT)
{
reg1 = XEXP (addr, 0);
addr = XEXP (addr, 1);
}
else if (GET_CODE (XEXP (addr, 1)) == MULT)
{
reg1 = XEXP (addr, 1);
addr = XEXP (addr, 0);
}
else if (GET_CODE (XEXP (addr, 0)) == REG)
{
reg1 = XEXP (addr, 0);
addr = XEXP (addr, 1);
}
else if (GET_CODE (XEXP (addr, 1)) == REG)
{
reg1 = XEXP (addr, 1);
addr = XEXP (addr, 0);
}
if (GET_CODE (addr) == REG || GET_CODE (addr) == MULT)
{
if (reg1 == 0)
reg1 = addr;
else
reg2 = addr;
addr = 0;
}
if (offset != 0)
{
if (addr != 0) abort ();
addr = offset;
}
if (reg1 != 0 && GET_CODE (reg1) == MULT)
{
breg = reg2;
ireg = reg1;
}
else if (reg2 != 0 && GET_CODE (reg2) == MULT)
{
breg = reg1;
ireg = reg2;
}
else if (reg2 != 0 || GET_CODE (addr) == MEM)
{
breg = reg2;
ireg = reg1;
}
else
{
breg = reg1;
ireg = reg2;
}
if (addr != 0)
output_address (addr);
if (breg != 0)
{
if (GET_CODE (breg) != REG)
abort ();
fprintf (file, "(%s)", reg_names[REGNO (breg)]);
}
if (ireg != 0)
{
if (GET_CODE (ireg) == MULT)
ireg = XEXP (ireg, 0);
if (GET_CODE (ireg) != REG)
abort ();
fprintf (file, "[%s]", reg_names[REGNO (ireg)]);
}
break;
default:
output_addr_const (file, addr);
}
}
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