/* Generate code from to output assembler insns as recognized from rtl.
Copyright (C) 1987, 1988, 1992, 1994, 1995, 1997, 1998, 1999, 2000, 2002,
- 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
+ 2003, 2004, 2005, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
This file is part of GCC.
/* This program reads the machine description for the compiler target machine
and produces a file containing these things:
- 1. An array of `struct insn_data', which is indexed by insn code number,
+ 1. An array of `struct insn_data_d', which is indexed by insn code number,
which contains:
a. `name' is the name for that pattern. Nameless patterns are
#include "tm.h"
#include "rtl.h"
#include "errors.h"
+#include "read-md.h"
#include "gensupport.h"
/* No instruction can have more operands than this. Sorry for this
{
struct data *next;
const char *name;
- const char *template;
+ const char *template_code;
int code_number;
int index_number;
const char *filename;
printf ("#include \"function.h\"\n");
printf ("#include \"regs.h\"\n");
printf ("#include \"hard-reg-set.h\"\n");
- printf ("#include \"real.h\"\n");
printf ("#include \"insn-config.h\"\n\n");
printf ("#include \"conditions.h\"\n");
printf ("#include \"insn-attr.h\"\n\n");
printf ("#include \"recog.h\"\n\n");
- printf ("#include \"toplev.h\"\n");
+ printf ("#include \"diagnostic-core.h\"\n");
printf ("#include \"output.h\"\n");
printf ("#include \"target.h\"\n");
printf ("#include \"tm-constrs.h\"\n");
printf (" %d,\n", d->strict_low);
+ printf (" %d,\n", d->constraint == NULL ? 1 : 0);
+
printf (" %d\n", d->eliminable);
printf(" },\n");
}
printf ("#if GCC_VERSION >= 2007\n__extension__\n#endif\n");
- printf ("\nconst struct insn_data insn_data[] = \n{\n");
+ printf ("\nconst struct insn_data_d insn_data[] = \n{\n");
for (d = idata; d; d = d->next)
{
break;
case INSN_OUTPUT_FORMAT_SINGLE:
{
- const char *p = d->template;
+ const char *p = d->template_code;
char prev = 0;
printf ("#if HAVE_DESIGNATED_INITIALIZERS\n");
max_opno = opno;
if (max_opno >= MAX_MAX_OPERANDS)
{
- message_with_line (d->lineno,
- "maximum number of operands exceeded");
- have_error = 1;
+ error_with_line (d->lineno, "maximum number of operands exceeded");
return;
}
if (d->operand[opno].seen)
- {
- message_with_line (d->lineno,
- "repeated operand number %d\n", opno);
- have_error = 1;
- }
+ error_with_line (d->lineno, "repeated operand number %d\n", opno);
d->operand[opno].seen = 1;
d->operand[opno].mode = GET_MODE (part);
max_opno = opno;
if (max_opno >= MAX_MAX_OPERANDS)
{
- message_with_line (d->lineno,
- "maximum number of operands exceeded");
- have_error = 1;
+ error_with_line (d->lineno, "maximum number of operands exceeded");
return;
}
if (d->operand[opno].seen)
- {
- message_with_line (d->lineno,
- "repeated operand number %d\n", opno);
- have_error = 1;
- }
+ error_with_line (d->lineno, "repeated operand number %d\n", opno);
d->operand[opno].seen = 1;
d->operand[opno].mode = GET_MODE (part);
max_opno = opno;
if (max_opno >= MAX_MAX_OPERANDS)
{
- message_with_line (d->lineno,
- "maximum number of operands exceeded");
- have_error = 1;
+ error_with_line (d->lineno, "maximum number of operands exceeded");
return;
}
if (d->operand[opno].seen)
- {
- message_with_line (d->lineno,
- "repeated operand number %d\n", opno);
- have_error = 1;
- }
+ error_with_line (d->lineno, "repeated operand number %d\n", opno);
d->operand[opno].seen = 1;
d->operand[opno].mode = GET_MODE (part);
templates, or C code to generate the assembler code template. */
static void
-process_template (struct data *d, const char *template)
+process_template (struct data *d, const char *template_code)
{
const char *cp;
int i;
/* Templates starting with * contain straight code to be run. */
- if (template[0] == '*')
+ if (template_code[0] == '*')
{
- d->template = 0;
+ d->template_code = 0;
d->output_format = INSN_OUTPUT_FORMAT_FUNCTION;
puts ("\nstatic const char *");
printf ("output_%d (rtx *operands ATTRIBUTE_UNUSED, rtx insn ATTRIBUTE_UNUSED)\n",
d->code_number);
puts ("{");
- print_rtx_ptr_loc (template);
- puts (template + 1);
+ print_md_ptr_loc (template_code);
+ puts (template_code + 1);
puts ("}");
}
/* If the assembler code template starts with a @ it is a newline-separated
list of assembler code templates, one for each alternative. */
- else if (template[0] == '@')
+ else if (template_code[0] == '@')
{
- d->template = 0;
+ d->template_code = 0;
d->output_format = INSN_OUTPUT_FORMAT_MULTI;
printf ("\nstatic const char * const output_%d[] = {\n", d->code_number);
- for (i = 0, cp = &template[1]; *cp; )
+ for (i = 0, cp = &template_code[1]; *cp; )
{
const char *ep, *sp;
message_with_line (d->lineno,
"'@' is redundant for output template with single alternative");
if (i != d->n_alternatives)
- {
- message_with_line (d->lineno,
- "wrong number of alternatives in the output template");
- have_error = 1;
- }
+ error_with_line (d->lineno,
+ "wrong number of alternatives in the output template");
printf ("};\n");
}
else
{
- d->template = template;
+ d->template_code = template_code;
d->output_format = INSN_OUTPUT_FORMAT_SINGLE;
}
}
if (len < 1 || (len > 1 && strchr (",#*+=&%!0123456789", c)))
{
- message_with_line (d->lineno,
- "invalid length %d for char '%c' in alternative %d of operand %d",
- len, c, which_alternative, start);
+ error_with_line (d->lineno,
+ "invalid length %d for char '%c' in"
+ " alternative %d of operand %d",
+ len, c, which_alternative, start);
len = 1;
- have_error = 1;
}
#endif
for (i = 1; i < len; i++)
if (p[i] == '\0')
{
- message_with_line (d->lineno,
- "NUL in alternative %d of operand %d",
- which_alternative, start);
+ error_with_line (d->lineno,
+ "NUL in alternative %d of operand %d",
+ which_alternative, start);
alternative_count_unsure = 1;
break;
}
else if (strchr (",#*", p[i]))
{
- message_with_line (d->lineno,
- "'%c' in alternative %d of operand %d",
- p[i], which_alternative, start);
+ error_with_line (d->lineno,
+ "'%c' in alternative %d of operand %d",
+ p[i], which_alternative, start);
alternative_count_unsure = 1;
}
}
- if (alternative_count_unsure)
- have_error = 1;
- else if (n == 0)
- n = d->operand[start].n_alternatives;
- else if (n != d->operand[start].n_alternatives)
+ if (!alternative_count_unsure)
{
- message_with_line (d->lineno,
+ if (n == 0)
+ n = d->operand[start].n_alternatives;
+ else if (n != d->operand[start].n_alternatives)
+ error_with_line (d->lineno,
"wrong number of alternatives in operand %d",
start);
- have_error = 1;
}
}
for (i = 0; i < d->n_operands; ++i)
if (d->operand[i].seen == 0)
- {
- message_with_line (d->lineno, "missing operand %d", i);
- have_error = 1;
- }
+ error_with_line (d->lineno, "missing operand %d", i);
+}
+
+static void
+validate_optab_operands (struct data *d)
+{
+ if (!d->name || d->name[0] == '\0' || d->name[0] == '*')
+ return;
+
+ /* Miscellaneous tests. */
+ if (strncmp (d->name, "cstore", 6) == 0
+ && d->name[strlen (d->name) - 1] == '4'
+ && d->operand[0].mode == VOIDmode)
+ {
+ message_with_line (d->lineno, "missing mode for operand 0 of cstore");
+ have_error = 1;
+ }
}
\f
/* Look at a define_insn just read. Assign its code number. Record
d->code_number = next_code_number;
d->index_number = next_index_number;
- d->filename = read_rtx_filename;
+ d->filename = read_md_filename;
d->lineno = lineno;
if (XSTR (insn, 0)[0])
d->name = XSTR (insn, 0);
#endif
validate_insn_operands (d);
validate_insn_alternatives (d);
+ validate_optab_operands (d);
place_operands (d);
process_template (d, XTMPL (insn, 3));
}
d->code_number = next_code_number;
d->index_number = next_index_number;
- d->filename = read_rtx_filename;
+ d->filename = read_md_filename;
d->lineno = lineno;
d->name = 0;
d->code_number = next_code_number;
d->index_number = next_index_number;
- d->filename = read_rtx_filename;
+ d->filename = read_md_filename;
d->lineno = lineno;
if (XSTR (insn, 0)[0])
d->name = XSTR (insn, 0);
d->n_operands = max_opno + 1;
d->n_dups = num_dups;
- d->template = 0;
+ d->template_code = 0;
d->output_format = INSN_OUTPUT_FORMAT_NONE;
validate_insn_alternatives (d);
+ validate_optab_operands (d);
place_operands (d);
}
\f
d->code_number = next_code_number;
d->index_number = next_index_number;
- d->filename = read_rtx_filename;
+ d->filename = read_md_filename;
d->lineno = lineno;
d->name = 0;
d->n_operands = max_opno + 1;
d->n_dups = 0;
d->n_alternatives = 0;
- d->template = 0;
+ d->template_code = 0;
d->output_format = INSN_OUTPUT_FORMAT_NONE;
place_operands (d);
progname = "genoutput";
- if (init_md_reader_args (argc, argv) != SUCCESS_EXIT_CODE)
+ if (!init_rtx_reader_args (argc, argv))
return (FATAL_EXIT_CODE);
output_prologue ();
{
const char *name = XSTR (exp, 0);
unsigned int namelen = strlen (name);
- struct constraint_data **iter, **slot, *new;
+ struct constraint_data **iter, **slot, *new_cdata;
- if (strchr (indep_constraints, name[0]))
+ /* The 'm' constraint is special here since that constraint letter
+ can be overridden by the back end by defining the
+ TARGET_MEM_CONSTRAINT macro. */
+ if (strchr (indep_constraints, name[0]) && name[0] != 'm')
{
if (name[1] == '\0')
- message_with_line (lineno, "constraint letter '%s' cannot be "
- "redefined by the machine description", name);
+ error_with_line (lineno, "constraint letter '%s' cannot be "
+ "redefined by the machine description", name);
else
- message_with_line (lineno, "constraint name '%s' cannot be defined by "
- "the machine description, as it begins with '%c'",
- name, name[0]);
- have_error = 1;
+ error_with_line (lineno, "constraint name '%s' cannot be defined by "
+ "the machine description, as it begins with '%c'",
+ name, name[0]);
return;
}
if (!strcmp ((*iter)->name, name))
{
- message_with_line (lineno, "redefinition of constraint '%s'", name);
+ error_with_line (lineno, "redefinition of constraint '%s'", name);
message_with_line ((*iter)->lineno, "previous definition is here");
- have_error = 1;
return;
}
else if (!strncmp ((*iter)->name, name, (*iter)->namelen))
{
- message_with_line (lineno, "defining constraint '%s' here", name);
+ error_with_line (lineno, "defining constraint '%s' here", name);
message_with_line ((*iter)->lineno, "renders constraint '%s' "
"(defined here) a prefix", (*iter)->name);
- have_error = 1;
return;
}
else if (!strncmp ((*iter)->name, name, namelen))
{
- message_with_line (lineno, "constraint '%s' is a prefix", name);
+ error_with_line (lineno, "constraint '%s' is a prefix", name);
message_with_line ((*iter)->lineno, "of constraint '%s' "
"(defined here)", (*iter)->name);
- have_error = 1;
return;
}
}
- new = xmalloc (sizeof (struct constraint_data) + namelen);
- strcpy ((char *)new + offsetof(struct constraint_data, name), name);
- new->namelen = namelen;
- new->lineno = lineno;
- new->next_this_letter = *slot;
- *slot = new;
+ new_cdata = XNEWVAR (struct constraint_data, sizeof (struct constraint_data) + namelen);
+ strcpy ((char *)new_cdata + offsetof(struct constraint_data, name), name);
+ new_cdata->namelen = namelen;
+ new_cdata->lineno = lineno;
+ new_cdata->next_this_letter = *slot;
+ *slot = new_cdata;
}
/* Return the length of the constraint name beginning at position S
if (!strncmp (s, p->name, p->namelen))
return p->namelen;
- message_with_line (lineno,
- "error: undefined machine-specific constraint "
- "at this point: \"%s\"", s);
+ error_with_line (lineno,
+ "error: undefined machine-specific constraint "
+ "at this point: \"%s\"", s);
message_with_line (lineno, "note: in operand %d", opno);
- have_error = 1;
return 1; /* safe */
}
OSDN Git Service
