/* Generate from machine description:
- some #define configuration flags.
- Copyright (C) 1987-2015 Free Software Foundation, Inc.
+ Copyright (C) 1987-2019 Free Software Foundation, Inc.
This file is part of GCC.
static int dup_operands_seen_this_insn;
static void walk_insn_part (rtx, int, int);
-static void gen_insn (rtx);
-static void gen_expand (rtx);
-static void gen_split (rtx);
-static void gen_peephole (rtx);
-static void gen_peephole2 (rtx);
/* RECOG_P will be nonzero if this pattern was seen in a context where it will
be used to recognize, rather than just generate an insn.
case MATCH_OP_DUP:
case MATCH_PAR_DUP:
++dup_operands_seen_this_insn;
+ /* FALLTHRU */
case MATCH_SCRATCH:
case MATCH_PARALLEL:
case MATCH_OPERATOR:
break;
case LABEL_REF:
- if (GET_CODE (LABEL_REF_LABEL (part)) == MATCH_OPERAND
- || GET_CODE (LABEL_REF_LABEL (part)) == MATCH_DUP)
+ if (GET_CODE (XEXP (part, 0)) == MATCH_OPERAND
+ || GET_CODE (XEXP (part, 0)) == MATCH_DUP)
break;
return;
}
static void
-gen_insn (rtx insn)
+gen_insn (md_rtx_info *info)
{
int i;
/* Walk the insn pattern to gather the #define's status. */
+ rtx insn = info->def;
clobbers_seen_this_insn = 0;
dup_operands_seen_this_insn = 0;
if (XVEC (insn, 1) != 0)
/* Similar but scan a define_expand. */
static void
-gen_expand (rtx insn)
+gen_expand (md_rtx_info *info)
{
int i;
/* Note that we don't bother recording the number of MATCH_DUPs
that occur in a gen_expand, because only reload cares about that. */
+ rtx insn = info->def;
if (XVEC (insn, 1) != 0)
for (i = 0; i < XVECLEN (insn, 1); i++)
{
/* Similar but scan a define_split. */
static void
-gen_split (rtx split)
+gen_split (md_rtx_info *info)
{
int i;
/* Look through the patterns that are matched
to compute the maximum operand number. */
+ rtx split = info->def;
for (i = 0; i < XVECLEN (split, 0); i++)
walk_insn_part (XVECEXP (split, 0, i), 1, 0);
/* Look at the number of insns this insn could split into. */
}
static void
-gen_peephole (rtx peep)
+gen_peephole (md_rtx_info *info)
{
int i;
/* Look through the patterns that are matched
to compute the maximum operand number. */
+ rtx peep = info->def;
for (i = 0; i < XVECLEN (peep, 0); i++)
walk_insn_part (XVECEXP (peep, 0, i), 1, 0);
}
static void
-gen_peephole2 (rtx peep)
+gen_peephole2 (md_rtx_info *info)
{
int i, n;
/* Look through the patterns that are matched
to compute the maximum operand number. */
+ rtx peep = info->def;
for (i = XVECLEN (peep, 0) - 1; i >= 0; --i)
walk_insn_part (XVECEXP (peep, 0, i), 1, 0);
}
int
-main (int argc, char **argv)
+main (int argc, const char **argv)
{
- rtx desc;
-
progname = "genconfig";
if (!init_rtx_reader_args (argc, argv))
/* Read the machine description. */
- while (1)
- {
- int line_no, insn_code_number = 0;
+ md_rtx_info info;
+ while (read_md_rtx (&info))
+ switch (GET_CODE (info.def))
+ {
+ case DEFINE_INSN:
+ gen_insn (&info);
+ break;
- desc = read_md_rtx (&line_no, &insn_code_number);
- if (desc == NULL)
+ case DEFINE_EXPAND:
+ gen_expand (&info);
break;
- switch (GET_CODE (desc))
- {
- case DEFINE_INSN:
- gen_insn (desc);
- break;
-
- case DEFINE_EXPAND:
- gen_expand (desc);
- break;
-
- case DEFINE_SPLIT:
- gen_split (desc);
- break;
-
- case DEFINE_PEEPHOLE2:
- have_peephole2_flag = 1;
- gen_peephole2 (desc);
- break;
-
- case DEFINE_PEEPHOLE:
- have_peephole_flag = 1;
- gen_peephole (desc);
- break;
-
- default:
- break;
- }
- }
+ case DEFINE_SPLIT:
+ gen_split (&info);
+ break;
+
+ case DEFINE_PEEPHOLE2:
+ have_peephole2_flag = 1;
+ gen_peephole2 (&info);
+ break;
+
+ case DEFINE_PEEPHOLE:
+ have_peephole_flag = 1;
+ gen_peephole (&info);
+ break;
+
+ default:
+ break;
+ }
printf ("#define MAX_RECOG_OPERANDS %d\n", max_recog_operands + 1);
printf ("#define MAX_DUP_OPERANDS %d\n", max_dup_operands);
if (have_cond_exec_flag)
printf ("#define HAVE_conditional_execution 1\n");
+ else
+ printf ("#define HAVE_conditional_execution 0\n");
if (have_lo_sum_flag)
printf ("#define HAVE_lo_sum 1\n");
printf ("#define HAVE_peephole2 1\n");
printf ("#define MAX_INSNS_PER_PEEP2 %d\n", max_insns_per_peep2);
}
+ else
+ {
+ printf ("#define HAVE_peephole2 0\n");
+ printf ("#define MAX_INSNS_PER_PEEP2 0\n");
+ }
puts ("\n#endif /* GCC_INSN_CONFIG_H */");