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- /* Subroutines for insn-output.c for GNU compiler. Elxsi version.
- Copyright (C) 1987, 1992 Free Software Foundation, Inc
- This port, done by Mike Stump <mrs@cygnus.com> in 1988, and is the first
- 64 bit port of GNU CC.
- Based upon the VAX port.
-
- 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>
- #include "config.h"
- #include "rtl.h"
-
- extern char *reg_names[];
- rtx cmp_op0=0, cmp_op1=0;
-
- /* table of relations for compares and branches */
- char *cmp_tab[] = {
- "gt", "gt", "eq", "eq", "ge", "ge", "lt", "lt", "ne", "ne",
- "le", "le" };
-
- /* type is the index into the above table */
- /* s is "" for signed, or "u" for unsigned */
- char *cmp_jmp(s, type, where) char *s; rtx where; {
- rtx br_ops[3];
- char template[50];
- char *f = "";
- char *bits = "64";
- if (GET_MODE (cmp_op0) == SFmode) f = "f", bits = "32";
- if (GET_MODE (cmp_op0) == DFmode) f = "f";
- br_ops[0] = where;
- br_ops[1] = cmp_op0;
- br_ops[2] = cmp_op1;
- if (cmp_op1)
- sprintf(template, "%scmp%s.br.%s\t%%1,%%2:j%s\t%%l0",
- f, s, bits, cmp_tab[type]);
- else if (*f)
- sprintf(template, "fcmp.br.%s\t%%1,=0:j%s\t%%l0",
- bits, cmp_tab[type]);
- else if (*s) /* can turn the below in to a jmp ... */
- sprintf(template, "cmpu.br.64\t%%1,=0:j%s\t%%l0", s, cmp_tab[type]);
- else
- sprintf(template, "jmp.%s\t%%1,%%l0", cmp_tab[type+1]);
- output_asm_insn(template, br_ops);
- return "";
- }
-
- char *cmp_set(s, type, reg) char *s, *type; rtx reg; {
- rtx br_ops[3];
- char template[50];
- char *f = "";
- char *bits = "64";
- if (GET_MODE (cmp_op0) == SFmode) f = "f", bits = "32";
- else if (GET_MODE (cmp_op0) == DFmode) f = "f";
- else if (GET_MODE (cmp_op0) == SImode) bits = "32";
- else if (GET_MODE (cmp_op0) == HImode) bits = "16";
- else if (GET_MODE (cmp_op0) == QImode) bits = "8";
- br_ops[0] = reg;
- br_ops[1] = cmp_op0;
- br_ops[2] = cmp_op1;
- if (cmp_op1)
- sprintf(template, "%scmp%s.%s\t%%0,%%1,%%2:%s",
- f, s, bits, type);
- else
- sprintf(template, "%scmp%s.%s\t%%0,%%1,=0:%s",
- f, s, bits, type);
- output_asm_insn(template, br_ops);
- return "";
- }
-
- 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:
- if (GET_CODE (XEXP (addr, 0)) == REG)
- fprintf (file, "%s", reg_names[REGNO (addr)]);
- else abort();
- break;
-
- case REG:
- fprintf (file, "[%s]", reg_names[REGNO (addr)]);
- break;
-
- case PLUS:
- reg1 = 0; reg2 = 0;
- ireg = 0; breg = 0;
- offset = 0;
- if (GET_CODE (XEXP (addr, 0)) == REG)
- {
- offset = XEXP (addr, 1);
- addr = XEXP (addr, 0);
- }
- else if (GET_CODE (XEXP (addr, 1)) == REG)
- {
- offset = XEXP (addr, 0);
- addr = XEXP (addr, 1);
- }
- fprintf (file, "[%s]", reg_names[REGNO (addr)]);
- output_address (offset);
- break;
-
- default:
- output_addr_const (file, addr);
- }
- }
-