genoutput.c (data): Use a file_location to record the source position.

gcc/
	* genoutput.c (data): Use a file_location to record the source
	position.
	(nothing): Delete.
	(idata, idata_end): Remove initialization.
	(constraint_data): Replace lineno with a file_location.
	(output_insn_data): Update after changes to data.
	(gen_insn, gen_peephole, gen_expand, gen_split): Likewise.
	(scan_operands): Likewise, using *_at rather than *_with_line
	functions.
	(process_template): Likewise.
	(validate_insn_alternatives): Likewise.
	(validate_insn_operands): Likewise.
	(validate_optab_operands): Likewise.
	(init_insn_for_nothing): Initialize idata and idata_end.
	(note_constraint): Update after changes to constraint_data,
	using at rather than with_line functions.
	(mdep_constraint_len): Take a file_location rather than a
	line number.  Use at rather than with_line functions.

From-SVN: r225881
This commit is contained in:
Richard Sandiford 2015-07-16 13:47:48 +00:00 committed by Richard Sandiford
parent 8f2463105b
commit ca018d3cc0
2 changed files with 78 additions and 69 deletions

View File

@ -1,3 +1,24 @@
2015-07-16 Richard Sandiford <richard.sandiford@arm.com>
* genoutput.c (data): Use a file_location to record the source
position.
(nothing): Delete.
(idata, idata_end): Remove initialization.
(constraint_data): Replace lineno with a file_location.
(output_insn_data): Update after changes to data.
(gen_insn, gen_peephole, gen_expand, gen_split): Likewise.
(scan_operands): Likewise, using *_at rather than *_with_line
functions.
(process_template): Likewise.
(validate_insn_alternatives): Likewise.
(validate_insn_operands): Likewise.
(validate_optab_operands): Likewise.
(init_insn_for_nothing): Initialize idata and idata_end.
(note_constraint): Update after changes to constraint_data,
using at rather than with_line functions.
(mdep_constraint_len): Take a file_location rather than a
line number. Use at rather than with_line functions.
2015-07-16 Richard Sandiford <richard.sandiford@arm.com>
* read-md.h (fatal_at): Declare.

View File

@ -154,9 +154,8 @@ struct data
struct data *next;
const char *name;
const char *template_code;
file_location loc;
int code_number;
const char *filename;
int lineno;
int n_generator_args; /* Number of arguments passed to generator */
int n_operands; /* Number of operands this insn recognizes */
int n_dups; /* Number times match_dup appears in pattern */
@ -166,15 +165,12 @@ struct data
struct operand_data operand[MAX_MAX_OPERANDS];
};
/* A dummy insn, for CODE_FOR_nothing. */
static struct data nothing;
/* This variable points to the first link in the insn chain. */
static struct data *idata = &nothing;
static struct data *idata;
/* This variable points to the end of the insn chain. This is where
everything relevant from the machien description is appended to. */
static struct data **idata_end = &nothing.next;
static struct data **idata_end;
static void output_prologue (void);
@ -196,9 +192,9 @@ static void gen_split (rtx, int);
struct constraint_data
{
struct constraint_data *next_this_letter;
int lineno;
file_location loc;
unsigned int namelen;
const char name[1];
char name[1];
};
/* All machine-independent constraint characters (except digits) that
@ -208,7 +204,7 @@ static const char indep_constraints[] = ",=+%*?!^$#&g";
static struct constraint_data *
constraints_by_letter_table[1 << CHAR_BIT];
static int mdep_constraint_len (const char *, int, int);
static int mdep_constraint_len (const char *, file_location, int);
static void note_constraint (rtx, int);
static void
@ -306,7 +302,7 @@ output_insn_data (void)
for (d = idata; d; d = d->next)
{
printf (" /* %s:%d */\n", d->filename, d->lineno);
printf (" /* %s:%d */\n", d->loc.filename, d->loc.lineno);
printf (" {\n");
if (d->name)
@ -449,11 +445,11 @@ scan_operands (struct data *d, rtx part, int this_address_p,
opno = XINT (part, 0);
if (opno >= MAX_MAX_OPERANDS)
{
error_with_line (d->lineno, "maximum number of operands exceeded");
error_at (d->loc, "maximum number of operands exceeded");
return;
}
if (d->operand[opno].seen)
error_with_line (d->lineno, "repeated operand number %d\n", opno);
error_at (d->loc, "repeated operand number %d\n", opno);
d->operand[opno].seen = 1;
d->operand[opno].mode = GET_MODE (part);
@ -470,11 +466,11 @@ scan_operands (struct data *d, rtx part, int this_address_p,
opno = XINT (part, 0);
if (opno >= MAX_MAX_OPERANDS)
{
error_with_line (d->lineno, "maximum number of operands exceeded");
error_at (d->loc, "maximum number of operands exceeded");
return;
}
if (d->operand[opno].seen)
error_with_line (d->lineno, "repeated operand number %d\n", opno);
error_at (d->loc, "repeated operand number %d\n", opno);
d->operand[opno].seen = 1;
d->operand[opno].mode = GET_MODE (part);
@ -492,11 +488,11 @@ scan_operands (struct data *d, rtx part, int this_address_p,
opno = XINT (part, 0);
if (opno >= MAX_MAX_OPERANDS)
{
error_with_line (d->lineno, "maximum number of operands exceeded");
error_at (d->loc, "maximum number of operands exceeded");
return;
}
if (d->operand[opno].seen)
error_with_line (d->lineno, "repeated operand number %d\n", opno);
error_at (d->loc, "repeated operand number %d\n", opno);
d->operand[opno].seen = 1;
d->operand[opno].mode = GET_MODE (part);
@ -708,8 +704,7 @@ process_template (struct data *d, const char *template_code)
sp = ep + 1;
if (sp != ep)
message_with_line (d->lineno,
"trailing whitespace in output template");
message_at (d->loc, "trailing whitespace in output template");
while (cp < sp)
{
@ -732,11 +727,11 @@ process_template (struct data *d, const char *template_code)
i++;
}
if (i == 1)
message_with_line (d->lineno,
"'@' is redundant for output template with single alternative");
message_at (d->loc, "'@' is redundant for output template with"
" single alternative");
if (i != d->n_alternatives)
error_with_line (d->lineno,
"wrong number of alternatives in the output template");
error_at (d->loc, "wrong number of alternatives in the output"
" template");
if (found_star)
puts (" default: gcc_unreachable ();\n }\n}");
@ -773,9 +768,8 @@ validate_insn_alternatives (struct data *d)
{
if ((c == '%' || c == '=' || c == '+')
&& p != d->operand[start].constraint)
error_with_line (d->lineno,
"character '%c' can only be used at the"
" beginning of a constraint string", c);
error_at (d->loc, "character '%c' can only be used at the"
" beginning of a constraint string", c);
if (c == '=' || c == '+')
seen_write = true;
@ -783,10 +777,8 @@ validate_insn_alternatives (struct data *d)
/* Earlyclobber operands must always be marked write-only
or read/write. */
if (!seen_write && c == '&')
error_with_line (d->lineno,
"earlyclobber operands may not be"
" read-only in alternative %d",
which_alternative);
error_at (d->loc, "earlyclobber operands may not be"
" read-only in alternative %d", which_alternative);
if (ISSPACE (c) || strchr (indep_constraints, c))
len = 1;
@ -799,7 +791,7 @@ validate_insn_alternatives (struct data *d)
len = q - p;
}
else
len = mdep_constraint_len (p, d->lineno, start);
len = mdep_constraint_len (p, d->loc, start);
if (c == ',')
{
@ -810,17 +802,15 @@ validate_insn_alternatives (struct data *d)
for (i = 1; i < len; i++)
if (p[i] == '\0')
{
error_with_line (d->lineno,
"NUL in alternative %d of operand %d",
which_alternative, start);
error_at (d->loc, "NUL in alternative %d of operand %d",
which_alternative, start);
alternative_count_unsure = 1;
break;
}
else if (strchr (",#*", p[i]))
{
error_with_line (d->lineno,
"'%c' in alternative %d of operand %d",
p[i], which_alternative, start);
error_at (d->loc, "'%c' in alternative %d of operand %d",
p[i], which_alternative, start);
alternative_count_unsure = 1;
}
}
@ -829,9 +819,8 @@ validate_insn_alternatives (struct data *d)
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);
error_at (d->loc, "wrong number of alternatives in operand %d",
start);
}
}
@ -848,7 +837,7 @@ validate_insn_operands (struct data *d)
for (i = 0; i < d->n_operands; ++i)
if (d->operand[i].seen == 0)
error_with_line (d->lineno, "missing operand %d", i);
error_at (d->loc, "missing operand %d", i);
}
static void
@ -862,7 +851,7 @@ validate_optab_operands (struct data *d)
&& d->name[strlen (d->name) - 1] == '4'
&& d->operand[0].mode == VOIDmode)
{
message_with_line (d->lineno, "missing mode for operand 0 of cstore");
message_at (d->loc, "missing mode for operand 0 of cstore");
have_error = 1;
}
}
@ -875,12 +864,11 @@ static void
gen_insn (rtx insn, int lineno)
{
struct pattern_stats stats;
struct data *d = XNEW (struct data);
data *d = new data;
int i;
d->code_number = next_code_number;
d->filename = read_md_filename;
d->lineno = lineno;
d->loc = file_location (read_md_filename, lineno);
if (XSTR (insn, 0)[0])
d->name = XSTR (insn, 0);
else
@ -917,12 +905,11 @@ static void
gen_peephole (rtx peep, int lineno)
{
struct pattern_stats stats;
struct data *d = XNEW (struct data);
data *d = new data;
int i;
d->code_number = next_code_number;
d->filename = read_md_filename;
d->lineno = lineno;
d->loc = file_location (read_md_filename, lineno);
d->name = 0;
/* Build up the list in the same order as the insns are seen
@ -956,12 +943,11 @@ static void
gen_expand (rtx insn, int lineno)
{
struct pattern_stats stats;
struct data *d = XNEW (struct data);
data *d = new data;
int i;
d->code_number = next_code_number;
d->filename = read_md_filename;
d->lineno = lineno;
d->loc = file_location (read_md_filename, lineno);
if (XSTR (insn, 0)[0])
d->name = XSTR (insn, 0);
else
@ -1001,12 +987,11 @@ static void
gen_split (rtx split, int lineno)
{
struct pattern_stats stats;
struct data *d = XNEW (struct data);
data *d = new data;
int i;
d->code_number = next_code_number;
d->filename = read_md_filename;
d->lineno = lineno;
d->loc = file_location (read_md_filename, lineno);
d->name = 0;
/* Build up the list in the same order as the insns are seen
@ -1037,9 +1022,11 @@ gen_split (rtx split, int lineno)
static void
init_insn_for_nothing (void)
{
memset (&nothing, 0, sizeof (nothing));
nothing.name = "*placeholder_for_nothing";
nothing.filename = "<internal>";
idata = XCNEW (struct data);
new (idata) data ();
idata->name = "*placeholder_for_nothing";
idata->loc = file_location ("<internal>", 0);
idata_end = &idata->next;
}
extern int main (int, char **);
@ -1189,28 +1176,30 @@ note_constraint (rtx exp, int lineno)
if (!strcmp ((*iter)->name, name))
{
error_with_line (lineno, "redefinition of constraint '%s'", name);
message_with_line ((*iter)->lineno, "previous definition is here");
message_at ((*iter)->loc, "previous definition is here");
return;
}
else if (!strncmp ((*iter)->name, name, (*iter)->namelen))
{
error_with_line (lineno, "defining constraint '%s' here", name);
message_with_line ((*iter)->lineno, "renders constraint '%s' "
"(defined here) a prefix", (*iter)->name);
message_at ((*iter)->loc, "renders constraint '%s' "
"(defined here) a prefix", (*iter)->name);
return;
}
else if (!strncmp ((*iter)->name, name, namelen))
{
error_with_line (lineno, "constraint '%s' is a prefix", name);
message_with_line ((*iter)->lineno, "of constraint '%s' "
"(defined here)", (*iter)->name);
message_at ((*iter)->loc, "of constraint '%s' "
"(defined here)", (*iter)->name);
return;
}
}
new_cdata = XNEWVAR (struct constraint_data, sizeof (struct constraint_data) + namelen);
new_cdata = XNEWVAR (struct constraint_data,
sizeof (struct constraint_data) + namelen);
new (new_cdata) constraint_data ();
strcpy (CONST_CAST (char *, new_cdata->name), name);
new_cdata->namelen = namelen;
new_cdata->lineno = lineno;
new_cdata->loc = file_location (read_md_filename, lineno);
new_cdata->next_this_letter = *slot;
*slot = new_cdata;
}
@ -1220,7 +1209,7 @@ note_constraint (rtx exp, int lineno)
is no such constraint. Does not expect to be called for generic
constraints. */
static int
mdep_constraint_len (const char *s, int lineno, int opno)
mdep_constraint_len (const char *s, file_location loc, int opno)
{
struct constraint_data *p;
@ -1231,9 +1220,8 @@ mdep_constraint_len (const char *s, int lineno, int opno)
if (!strncmp (s, p->name, p->namelen))
return p->namelen;
error_with_line (lineno,
"error: undefined machine-specific constraint "
"at this point: \"%s\"", s);
message_with_line (lineno, "note: in operand %d", opno);
error_at (loc, "error: undefined machine-specific constraint "
"at this point: \"%s\"", s);
message_at (loc, "note: in operand %d", opno);
return 1; /* safe */
}