/* Generate code from machine description to perform peephole optimizations.
- Copyright (C) 1987, 1989, 1992, 1997, 1998,
- 1999, 2000 Free Software Foundation, Inc.
+ Copyright (C) 1987-2015 Free Software Foundation, Inc.
This file is part of GCC.
GCC 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
+Software Foundation; either version 3, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
for more details.
You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING. If not, write to the Free
-Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA. */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
-#include "hconfig.h"
+#include "bconfig.h"
#include "system.h"
+#include "coretypes.h"
+#include "tm.h"
#include "rtl.h"
#include "errors.h"
#include "gensupport.h"
static int n_operands;
-/* Peephole optimizations get insn codes just like insn patterns.
- Count them so we know the code of the define_peephole we are handling. */
-
-static int insn_code_number = 0;
-
-static void gen_peephole PARAMS ((rtx));
-static void match_rtx PARAMS ((rtx, struct link *, int));
-static void print_path PARAMS ((struct link *));
-static void print_code PARAMS ((RTX_CODE));
+static void gen_peephole (rtx, int);
+static void match_rtx (rtx, struct link *, int);
+static void print_path (struct link *);
+static void print_code (RTX_CODE);
\f
static void
-gen_peephole (peep)
- rtx peep;
+gen_peephole (rtx peep, int insn_code_number)
{
int ninsns = XVECLEN (peep, 0);
int i;
n_operands = 0;
printf (" insn = ins1;\n");
-#if 0
- printf (" want_jump = 0;\n");
-#endif
for (i = 0; i < ninsns; i++)
{
printf (" do { insn = NEXT_INSN (insn);\n");
printf (" if (insn == 0) goto L%d; }\n",
insn_code_number);
- printf (" while (GET_CODE (insn) == NOTE\n");
- printf ("\t || (GET_CODE (insn) == INSN\n");
+ printf (" while (NOTE_P (insn)\n");
+ printf ("\t || (NONJUMP_INSN_P (insn)\n");
printf ("\t && (GET_CODE (PATTERN (insn)) == USE\n");
printf ("\t\t || GET_CODE (PATTERN (insn)) == CLOBBER)));\n");
- printf (" if (GET_CODE (insn) == CODE_LABEL\n\
- || GET_CODE (insn) == BARRIER)\n goto L%d;\n",
- insn_code_number);
+ printf (" if (LABEL_P (insn)\n\
+ || BARRIER_P (insn))\n goto L%d;\n",
+ insn_code_number);
}
-#if 0
- printf (" if (GET_CODE (insn) == JUMP_INSN)\n");
- printf (" want_jump = JUMP_LABEL (insn);\n");
-#endif
-
printf (" pat = PATTERN (insn);\n");
/* Walk the insn's pattern, remembering at all times the path
printf (" PATTERN (ins1) = gen_rtx_PARALLEL (VOIDmode, gen_rtvec_v (%d, operands));\n", n_operands);
-#if 0
- printf (" if (want_jump && GET_CODE (ins1) != JUMP_INSN)\n");
- printf (" {\n");
- printf (" rtx insn2 = emit_jump_insn_before (PATTERN (ins1), ins1);\n");
- printf (" delete_related_insns (ins1);\n");
- printf (" ins1 = ins2;\n");
- printf (" }\n");
-#endif
-
/* Record this define_peephole's insn code in the insn,
as if it had been recognized to match this. */
printf (" INSN_CODE (ins1) = %d;\n",
}
\f
static void
-match_rtx (x, path, fail_label)
- rtx x;
- struct link *path;
- int fail_label;
+match_rtx (rtx x, struct link *path, int fail_label)
{
RTX_CODE code;
int i;
}
return;
- case ADDRESS:
- match_rtx (XEXP (x, 0), path, fail_label);
- return;
-
default:
break;
}
printf (" if (XINT (x, %d) != %d) goto L%d;\n",
i, XINT (x, i), fail_label);
}
+ else if (fmt[i] == 'r')
+ {
+ gcc_assert (i == 0);
+ printf (" if (REGNO (x) != %d) goto L%d;\n",
+ REGNO (x), fail_label);
+ }
else if (fmt[i] == 'w')
{
/* Make sure that at run time `x' is the RTX we want to test. */
evaluate to the rtx at that point. */
static void
-print_path (path)
- struct link *path;
+print_path (struct link *path)
{
if (path == 0)
printf ("pat");
}
\f
static void
-print_code (code)
- RTX_CODE code;
+print_code (RTX_CODE code)
{
const char *p1;
for (p1 = GET_RTX_NAME (code); *p1; p1++)
- putchar (TOUPPER(*p1));
+ putchar (TOUPPER (*p1));
}
-extern int main PARAMS ((int, char **));
+extern int main (int, char **);
int
-main (argc, argv)
- int argc;
- char **argv;
+main (int argc, char **argv)
{
rtx desc;
progname = "genpeep";
- if (argc <= 1)
- fatal ("No input file name");
-
- if (init_md_reader_args (argc, argv) != SUCCESS_EXIT_CODE)
+ if (!init_rtx_reader_args (argc, argv))
return (FATAL_EXIT_CODE);
printf ("/* Generated automatically by the program `genpeep'\n\
printf ("#include \"config.h\"\n");
printf ("#include \"system.h\"\n");
+ printf ("#include \"coretypes.h\"\n");
+ printf ("#include \"tm.h\"\n");
printf ("#include \"insn-config.h\"\n");
+ printf ("#include \"hash-set.h\"\n");
+ printf ("#include \"machmode.h\"\n");
+ printf ("#include \"vec.h\"\n");
+ printf ("#include \"double-int.h\"\n");
+ printf ("#include \"input.h\"\n");
+ printf ("#include \"alias.h\"\n");
+ printf ("#include \"symtab.h\"\n");
+ printf ("#include \"wide-int.h\"\n");
+ printf ("#include \"inchash.h\"\n");
+ printf ("#include \"tree.h\"\n");
+ printf ("#include \"varasm.h\"\n");
+ printf ("#include \"stor-layout.h\"\n");
+ printf ("#include \"calls.h\"\n");
printf ("#include \"rtl.h\"\n");
printf ("#include \"tm_p.h\"\n");
printf ("#include \"regs.h\"\n");
printf ("#include \"output.h\"\n");
- printf ("#include \"real.h\"\n");
printf ("#include \"recog.h\"\n");
- printf ("#include \"except.h\"\n\n");
- printf ("#include \"function.h\"\n\n");
+ printf ("#include \"except.h\"\n");
+ printf ("#include \"function.h\"\n");
+ printf ("#include \"diagnostic-core.h\"\n");
+ printf ("#include \"flags.h\"\n");
+ printf ("#include \"tm-constrs.h\"\n\n");
- printf ("#ifdef HAVE_peephole\n");
printf ("extern rtx peep_operand[];\n\n");
printf ("#define operands peep_operand\n\n");
- printf ("rtx\npeephole (ins1)\n rtx ins1;\n{\n");
- printf (" rtx insn ATTRIBUTE_UNUSED, x ATTRIBUTE_UNUSED, pat ATTRIBUTE_UNUSED;\n\n");
+ printf ("rtx_insn *\npeephole (rtx_insn *ins1)\n{\n");
+ printf (" rtx_insn *insn ATTRIBUTE_UNUSED;\n");
+ printf (" rtx x ATTRIBUTE_UNUSED, pat ATTRIBUTE_UNUSED;\n\n");
/* Early out: no peepholes for insns followed by barriers. */
printf (" if (NEXT_INSN (ins1)\n");
- printf (" && GET_CODE (NEXT_INSN (ins1)) == BARRIER)\n");
+ printf (" && BARRIER_P (NEXT_INSN (ins1)))\n");
printf (" return 0;\n\n");
/* Read the machine description. */
while (1)
{
- int line_no, rtx_number = 0;
+ int line_no;
+ int insn_code_number;
- desc = read_md_rtx (&line_no, &rtx_number);
+ desc = read_md_rtx (&line_no, &insn_code_number);
if (desc == NULL)
break;
- if (GET_CODE (desc) == DEFINE_PEEPHOLE)
- {
- gen_peephole (desc);
- insn_code_number++;
- }
- if (GET_CODE (desc) == DEFINE_INSN
- || GET_CODE (desc) == DEFINE_EXPAND
- || GET_CODE (desc) == DEFINE_SPLIT
- || GET_CODE (desc) == DEFINE_PEEPHOLE2)
- {
- insn_code_number++;
- }
+ if (GET_CODE (desc) == DEFINE_PEEPHOLE)
+ gen_peephole (desc, insn_code_number);
}
printf (" return 0;\n}\n\n");
max_opno = 1;
printf ("rtx peep_operand[%d];\n", max_opno + 1);
- printf ("#endif\n");
fflush (stdout);
return (ferror (stdout) != 0 ? FATAL_EXIT_CODE : SUCCESS_EXIT_CODE);
}
-
-/* Define this so we can link with print-rtl.o to get debug_rtx function. */
-const char *
-get_insn_name (code)
- int code ATTRIBUTE_UNUSED;
-{
- return NULL;
-}
projects / gcc.git / blobdiff