1 /* Print RTL for GNU C Compiler.
2 Copyright (C) 1987, 1991 Free Software Foundation, Inc.
4 This file is part of GNU CC.
6 GNU CC is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
11 GNU CC is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GNU CC; see the file COPYING. If not, write to
18 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
31 static int sawclose = 0;
33 /* Names for patterns. Non-zero only when linked with insn-output.c. */
35 extern char **insn_name_ptr;
37 /* Print IN_RTX onto OUTFILE. This is the recursive part of printing. */
45 register char *format_ptr;
50 fprintf (outfile, "\n%s",
51 (spaces + (sizeof spaces - indent * 2)));
57 fprintf (outfile, "(nil)");
62 /* print name of expression code */
63 fprintf (outfile, "(%s", GET_RTX_NAME (GET_CODE (in_rtx)));
65 if (in_rtx->in_struct)
66 fprintf (outfile, "/s");
69 fprintf (outfile, "/v");
71 if (in_rtx->unchanging)
72 fprintf (outfile, "/u");
74 if (in_rtx->integrated)
75 fprintf (outfile, "/i");
77 if (GET_MODE (in_rtx) != VOIDmode)
79 /* Print REG_NOTE names for EXPR_LIST and INSN_LIST. */
80 if (GET_CODE (in_rtx) == EXPR_LIST || GET_CODE (in_rtx) == INSN_LIST)
81 fprintf (outfile, ":%s", GET_REG_NOTE_NAME (GET_MODE (in_rtx)));
83 fprintf (outfile, ":%s", GET_MODE_NAME (GET_MODE (in_rtx)));
86 is_insn = (GET_RTX_CLASS (GET_CODE (in_rtx)) == 'i');
87 format_ptr = GET_RTX_FORMAT (GET_CODE (in_rtx));
89 for (i = 0; i < GET_RTX_LENGTH (GET_CODE (in_rtx)); i++)
90 switch (*format_ptr++)
94 if (XSTR (in_rtx, i) == 0)
95 fprintf (outfile, " \"\"");
97 fprintf (outfile, " (\"%s\")", XSTR (in_rtx, i));
101 /* 0 indicates a field for internal use that should not be printed. */
108 fprintf (outfile, " ");
109 print_rtx (XEXP (in_rtx, i));
118 fprintf (outfile, "\n%s",
119 (spaces + (sizeof spaces - indent * 2)));
122 fprintf (outfile, "[ ");
123 if (NULL != XVEC (in_rtx, i))
126 if (XVECLEN (in_rtx, i))
129 for (j = 0; j < XVECLEN (in_rtx, i); j++)
130 print_rtx (XVECEXP (in_rtx, i, j));
135 fprintf (outfile, "\n%s",
136 (spaces + (sizeof spaces - indent * 2)));
138 fprintf (outfile, "] ");
144 fprintf (outfile, " %d", XINT (in_rtx, i));
145 if (is_insn && &INSN_CODE (in_rtx) == &XINT (in_rtx, i)
147 && XINT (in_rtx, i) >= 0)
148 fprintf (outfile, " {%s}", insn_name_ptr[XINT (in_rtx, i)]);
152 /* Print NOTE_INSN names rather than integer codes. */
155 if (XINT (in_rtx, i) <= 0)
156 fprintf (outfile, " %s", GET_NOTE_INSN_NAME (XINT (in_rtx, i)));
158 fprintf (outfile, " %d", XINT (in_rtx, i));
163 if (XEXP (in_rtx, i) != NULL)
164 fprintf(outfile, " %d", INSN_UID (XEXP (in_rtx, i)));
166 fprintf(outfile, " 0");
172 "switch format wrong in rtl.print_rtx(). format was: %c.\n",
177 fprintf (outfile, ")");
181 /* Call this function from the debugger to see what X looks like. */
189 fprintf (stderr, "\n");
192 /* External entry point for printing a chain of insns
193 starting with RTX_FIRST onto file OUTF.
194 A blank line separates insns.
196 If RTX_FIRST is not an insn, then it alone is printed, with no newline. */
199 print_rtl (outf, rtx_first)
203 register rtx tmp_rtx;
209 fprintf (outf, "(nil)\n");
211 switch (GET_CODE (rtx_first))
219 for (tmp_rtx = rtx_first; NULL != tmp_rtx; tmp_rtx = NEXT_INSN (tmp_rtx))
222 fprintf (outfile, "\n");
227 print_rtx (rtx_first);