add directory gnu
This commit is contained in:
gohigh
234
gnu/gcc/gcc-2.2.2/print-rtl.c
Normal file
234
gnu/gcc/gcc-2.2.2/print-rtl.c
Normal file
@@ -0,0 +1,234 @@
|
||||
/* Print RTL for GNU C Compiler.
|
||||
Copyright (C) 1987, 1991 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 2, 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 "config.h"
|
||||
#include <ctype.h>
|
||||
#include <stdio.h>
|
||||
#include "rtl.h"
|
||||
|
||||
|
||||
static FILE *outfile;
|
||||
|
||||
char spaces[] = " ";
|
||||
|
||||
static int sawclose = 0;
|
||||
|
||||
/* Names for patterns. Non-zero only when linked with insn-output.c. */
|
||||
|
||||
extern char **insn_name_ptr;
|
||||
|
||||
/* Print IN_RTX onto OUTFILE. This is the recursive part of printing. */
|
||||
|
||||
static void
|
||||
print_rtx (in_rtx)
|
||||
register rtx in_rtx;
|
||||
{
|
||||
static int indent;
|
||||
register int i, j;
|
||||
register char *format_ptr;
|
||||
register int is_insn;
|
||||
|
||||
if (sawclose)
|
||||
{
|
||||
fprintf (outfile, "\n%s",
|
||||
(spaces + (sizeof spaces - indent * 2)));
|
||||
sawclose = 0;
|
||||
}
|
||||
|
||||
if (in_rtx == 0)
|
||||
{
|
||||
fprintf (outfile, "(nil)");
|
||||
sawclose = 1;
|
||||
return;
|
||||
}
|
||||
|
||||
/* print name of expression code */
|
||||
fprintf (outfile, "(%s", GET_RTX_NAME (GET_CODE (in_rtx)));
|
||||
|
||||
if (in_rtx->in_struct)
|
||||
fprintf (outfile, "/s");
|
||||
|
||||
if (in_rtx->volatil)
|
||||
fprintf (outfile, "/v");
|
||||
|
||||
if (in_rtx->unchanging)
|
||||
fprintf (outfile, "/u");
|
||||
|
||||
if (in_rtx->integrated)
|
||||
fprintf (outfile, "/i");
|
||||
|
||||
if (GET_MODE (in_rtx) != VOIDmode)
|
||||
{
|
||||
/* Print REG_NOTE names for EXPR_LIST and INSN_LIST. */
|
||||
if (GET_CODE (in_rtx) == EXPR_LIST || GET_CODE (in_rtx) == INSN_LIST)
|
||||
fprintf (outfile, ":%s", GET_REG_NOTE_NAME (GET_MODE (in_rtx)));
|
||||
else
|
||||
fprintf (outfile, ":%s", GET_MODE_NAME (GET_MODE (in_rtx)));
|
||||
}
|
||||
|
||||
is_insn = (GET_RTX_CLASS (GET_CODE (in_rtx)) == 'i');
|
||||
format_ptr = GET_RTX_FORMAT (GET_CODE (in_rtx));
|
||||
|
||||
for (i = 0; i < GET_RTX_LENGTH (GET_CODE (in_rtx)); i++)
|
||||
switch (*format_ptr++)
|
||||
{
|
||||
case 'S':
|
||||
case 's':
|
||||
if (XSTR (in_rtx, i) == 0)
|
||||
fprintf (outfile, " \"\"");
|
||||
else
|
||||
fprintf (outfile, " (\"%s\")", XSTR (in_rtx, i));
|
||||
sawclose = 1;
|
||||
break;
|
||||
|
||||
/* 0 indicates a field for internal use that should not be printed. */
|
||||
case '0':
|
||||
break;
|
||||
|
||||
case 'e':
|
||||
indent += 2;
|
||||
if (!sawclose)
|
||||
fprintf (outfile, " ");
|
||||
print_rtx (XEXP (in_rtx, i));
|
||||
indent -= 2;
|
||||
break;
|
||||
|
||||
case 'E':
|
||||
case 'V':
|
||||
indent += 2;
|
||||
if (sawclose)
|
||||
{
|
||||
fprintf (outfile, "\n%s",
|
||||
(spaces + (sizeof spaces - indent * 2)));
|
||||
sawclose = 0;
|
||||
}
|
||||
fprintf (outfile, "[ ");
|
||||
if (NULL != XVEC (in_rtx, i))
|
||||
{
|
||||
indent += 2;
|
||||
if (XVECLEN (in_rtx, i))
|
||||
sawclose = 1;
|
||||
|
||||
for (j = 0; j < XVECLEN (in_rtx, i); j++)
|
||||
print_rtx (XVECEXP (in_rtx, i, j));
|
||||
|
||||
indent -= 2;
|
||||
}
|
||||
if (sawclose)
|
||||
fprintf (outfile, "\n%s",
|
||||
(spaces + (sizeof spaces - indent * 2)));
|
||||
|
||||
fprintf (outfile, "] ");
|
||||
sawclose = 1;
|
||||
indent -= 2;
|
||||
break;
|
||||
|
||||
case 'i':
|
||||
fprintf (outfile, " %d", XINT (in_rtx, i));
|
||||
if (is_insn && &INSN_CODE (in_rtx) == &XINT (in_rtx, i)
|
||||
&& insn_name_ptr
|
||||
&& XINT (in_rtx, i) >= 0)
|
||||
fprintf (outfile, " {%s}", insn_name_ptr[XINT (in_rtx, i)]);
|
||||
sawclose = 0;
|
||||
break;
|
||||
|
||||
/* Print NOTE_INSN names rather than integer codes. */
|
||||
|
||||
case 'n':
|
||||
if (XINT (in_rtx, i) <= 0)
|
||||
fprintf (outfile, " %s", GET_NOTE_INSN_NAME (XINT (in_rtx, i)));
|
||||
else
|
||||
fprintf (outfile, " %d", XINT (in_rtx, i));
|
||||
sawclose = 0;
|
||||
break;
|
||||
|
||||
case 'u':
|
||||
if (XEXP (in_rtx, i) != NULL)
|
||||
fprintf (outfile, " %d", INSN_UID (XEXP (in_rtx, i)));
|
||||
else
|
||||
fprintf (outfile, " 0");
|
||||
sawclose = 0;
|
||||
break;
|
||||
|
||||
case '*':
|
||||
fprintf (outfile, " Unknown");
|
||||
sawclose = 0;
|
||||
break;
|
||||
|
||||
default:
|
||||
fprintf (stderr,
|
||||
"switch format wrong in rtl.print_rtx(). format was: %c.\n",
|
||||
format_ptr[-1]);
|
||||
abort ();
|
||||
}
|
||||
|
||||
fprintf (outfile, ")");
|
||||
sawclose = 1;
|
||||
}
|
||||
|
||||
/* Call this function from the debugger to see what X looks like. */
|
||||
|
||||
void
|
||||
debug_rtx (x)
|
||||
rtx x;
|
||||
{
|
||||
outfile = stderr;
|
||||
print_rtx (x);
|
||||
fprintf (stderr, "\n");
|
||||
}
|
||||
|
||||
/* External entry point for printing a chain of insns
|
||||
starting with RTX_FIRST onto file OUTF.
|
||||
A blank line separates insns.
|
||||
|
||||
If RTX_FIRST is not an insn, then it alone is printed, with no newline. */
|
||||
|
||||
void
|
||||
print_rtl (outf, rtx_first)
|
||||
FILE *outf;
|
||||
rtx rtx_first;
|
||||
{
|
||||
register rtx tmp_rtx;
|
||||
|
||||
outfile = outf;
|
||||
sawclose = 0;
|
||||
|
||||
if (rtx_first == 0)
|
||||
fprintf (outf, "(nil)\n");
|
||||
else
|
||||
switch (GET_CODE (rtx_first))
|
||||
{
|
||||
case INSN:
|
||||
case JUMP_INSN:
|
||||
case CALL_INSN:
|
||||
case NOTE:
|
||||
case CODE_LABEL:
|
||||
case BARRIER:
|
||||
for (tmp_rtx = rtx_first; NULL != tmp_rtx; tmp_rtx = NEXT_INSN (tmp_rtx))
|
||||
{
|
||||
print_rtx (tmp_rtx);
|
||||
fprintf (outfile, "\n");
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
print_rtx (rtx_first);
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user