/* Generate the machine mode enumeration and associated tables.
- Copyright (C) 2003
- Free Software Foundation, Inc.
+ Copyright (C) 2003-2015 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 "bconfig.h"
#include "system.h"
struct mode_data *next; /* next this class - arbitrary order */
const char *name; /* printable mode name -- SI, not SImode */
- enum mode_class class; /* this mode class */
- unsigned int bitsize; /* size in bits, equiv to TYPE_PRECISION */
+ enum mode_class cl; /* this mode class */
+ unsigned int precision; /* size in bits, equiv to TYPE_PRECISION */
unsigned int bytesize; /* storage size in addressable units */
unsigned int ncomponents; /* number of subunits */
unsigned int alignment; /* mode alignment */
+ const char *format; /* floating point format - float modes only */
struct mode_data *component; /* mode of components */
struct mode_data *wider; /* next wider mode */
+ struct mode_data *contained; /* Pointer to list of modes that have
+ this mode as a component. */
+ struct mode_data *next_cont; /* Next mode in that list. */
+
const char *file; /* file and line of definition, */
unsigned int line; /* for error reporting */
+ unsigned int counter; /* Rank ordering of modes */
+ unsigned int ibit; /* the number of integral bits */
+ unsigned int fbit; /* the number of fractional bits */
+ bool need_bytesize_adj; /* true if this mode need dynamic size
+ adjustment */
+ unsigned int int_n; /* If nonzero, then __int<INT_N> will be defined */
};
-static struct mode_data *known_modes[MAX_MODE_CLASS];
+static struct mode_data *modes[MAX_MODE_CLASS];
static unsigned int n_modes[MAX_MODE_CLASS];
static struct mode_data *void_mode;
static const struct mode_data blank_mode = {
0, "<unknown>", MAX_MODE_CLASS,
- -1, -1, -1, -1,
- 0, 0,
- "<unknown>", 0
+ -1U, -1U, -1U, -1U,
+ 0, 0, 0, 0, 0,
+ "<unknown>", 0, 0, 0, 0, false, 0
+};
+
+static htab_t modes_by_name;
+
+/* Data structure for recording target-specified runtime adjustments
+ to a particular mode. We support varying the byte size, the
+ alignment, and the floating point format. */
+struct mode_adjust
+{
+ struct mode_adjust *next;
+ struct mode_data *mode;
+ const char *adjustment;
+
+ const char *file;
+ unsigned int line;
};
+static struct mode_adjust *adj_bytesize;
+static struct mode_adjust *adj_alignment;
+static struct mode_adjust *adj_format;
+static struct mode_adjust *adj_ibit;
+static struct mode_adjust *adj_fbit;
+
/* Mode class operations. */
static enum mode_class
-complex_class (enum mode_class class)
+complex_class (enum mode_class c)
{
- switch (class)
+ switch (c)
{
case MODE_INT: return MODE_COMPLEX_INT;
case MODE_FLOAT: return MODE_COMPLEX_FLOAT;
default:
- error ("no complex class for class %s", mode_class_names[class]);
+ error ("no complex class for class %s", mode_class_names[c]);
return MODE_RANDOM;
}
}
static enum mode_class
-vector_class (enum mode_class class)
+vector_class (enum mode_class cl)
{
- switch (class)
+ switch (cl)
{
case MODE_INT: return MODE_VECTOR_INT;
case MODE_FLOAT: return MODE_VECTOR_FLOAT;
+ case MODE_FRACT: return MODE_VECTOR_FRACT;
+ case MODE_UFRACT: return MODE_VECTOR_UFRACT;
+ case MODE_ACCUM: return MODE_VECTOR_ACCUM;
+ case MODE_UACCUM: return MODE_VECTOR_UACCUM;
default:
- error ("no vector class for class %s", mode_class_names[class]);
+ error ("no vector class for class %s", mode_class_names[cl]);
return MODE_RANDOM;
}
}
-static struct mode_data *
-find_mode (enum mode_class class, const char *name)
+/* Utility routines. */
+static inline struct mode_data *
+find_mode (const char *name)
{
- struct mode_data *m;
-
- for (m = known_modes[class]; m; m = m->next)
- if (!strcmp (name, m->name))
- return m;
+ struct mode_data key;
- return 0;
+ key.name = name;
+ return (struct mode_data *) htab_find (modes_by_name, &key);
}
static struct mode_data *
-new_mode (enum mode_class class, const char *name,
+new_mode (enum mode_class cl, const char *name,
const char *file, unsigned int line)
{
struct mode_data *m;
+ static unsigned int count = 0;
- m = find_mode (class, name);
+ m = find_mode (name);
if (m)
{
error ("%s:%d: duplicate definition of mode \"%s\"",
return m;
}
- m = xmalloc (sizeof (struct mode_data));
+ m = XNEW (struct mode_data);
memcpy (m, &blank_mode, sizeof (struct mode_data));
- m->class = class;
+ m->cl = cl;
m->name = name;
if (file)
m->file = trim_filename (file);
m->line = line;
+ m->counter = count++;
+
+ m->next = modes[cl];
+ modes[cl] = m;
+ n_modes[cl]++;
+
+ *htab_find_slot (modes_by_name, m, INSERT) = m;
- m->next = known_modes[class];
- known_modes[class] = m;
- n_modes[class]++;
return m;
}
+static hashval_t
+hash_mode (const void *p)
+{
+ const struct mode_data *m = (const struct mode_data *)p;
+ return htab_hash_string (m->name);
+}
+
+static int
+eq_mode (const void *p, const void *q)
+{
+ const struct mode_data *a = (const struct mode_data *)p;
+ const struct mode_data *b = (const struct mode_data *)q;
+
+ return !strcmp (a->name, b->name);
+}
+
#define for_all_modes(C, M) \
for (C = 0; C < MAX_MODE_CLASS; C++) \
- for (M = known_modes[C]; M; M = M->next)
+ for (M = modes[C]; M; M = M->next)
+
+static void ATTRIBUTE_UNUSED
+new_adjust (const char *name,
+ struct mode_adjust **category, const char *catname,
+ const char *adjustment,
+ enum mode_class required_class_from,
+ enum mode_class required_class_to,
+ const char *file, unsigned int line)
+{
+ struct mode_data *mode = find_mode (name);
+ struct mode_adjust *a;
+
+ file = trim_filename (file);
+
+ if (!mode)
+ {
+ error ("%s:%d: no mode \"%s\"", file, line, name);
+ return;
+ }
+
+ if (required_class_from != MODE_RANDOM
+ && (mode->cl < required_class_from || mode->cl > required_class_to))
+ {
+ error ("%s:%d: mode \"%s\" is not among class {%s, %s}",
+ file, line, name, mode_class_names[required_class_from] + 5,
+ mode_class_names[required_class_to] + 5);
+ return;
+ }
+
+ for (a = *category; a; a = a->next)
+ if (a->mode == mode)
+ {
+ error ("%s:%d: mode \"%s\" already has a %s adjustment",
+ file, line, name, catname);
+ error ("%s:%d: previous adjustment here", a->file, a->line);
+ return;
+ }
+
+ a = XNEW (struct mode_adjust);
+ a->mode = mode;
+ a->adjustment = adjustment;
+ a->file = file;
+ a->line = line;
+ a->next = *category;
+ *category = a;
+}
/* Diagnose failure to meet expectations in a partially filled out
mode structure. */
static void
validate_mode (struct mode_data *m,
- enum requirement r_bitsize,
+ enum requirement r_precision,
enum requirement r_bytesize,
enum requirement r_component,
- enum requirement r_ncomponents)
+ enum requirement r_ncomponents,
+ enum requirement r_format)
{
- validate_field (m, bitsize);
+ validate_field (m, precision);
validate_field (m, bytesize);
validate_field (m, component);
validate_field (m, ncomponents);
+ validate_field (m, format);
}
#undef validate_field
#undef validate_field_
error ("%s:%d: mode with no name", m->file, m->line);
return;
}
- if (m->class == MAX_MODE_CLASS)
+ if (m->cl == MAX_MODE_CLASS)
{
error ("%s:%d: %smode has no mode class", m->file, m->line, m->name);
return;
}
- switch (m->class)
+ switch (m->cl)
{
case MODE_RANDOM:
/* Nothing more need be said. */
if (!strcmp (m->name, "VOID"))
void_mode = m;
- validate_mode (m, UNSET, UNSET, UNSET, UNSET);
+ validate_mode (m, UNSET, UNSET, UNSET, UNSET, UNSET);
- m->bitsize = 0;
+ m->precision = 0;
m->bytesize = 0;
m->ncomponents = 0;
m->component = 0;
case MODE_CC:
/* Again, nothing more need be said. For historical reasons,
the size of a CC mode is four units. */
- validate_mode (m, UNSET, UNSET, UNSET, UNSET);
+ validate_mode (m, UNSET, UNSET, UNSET, UNSET, UNSET);
m->bytesize = 4;
- m->ncomponents = 0;
+ m->ncomponents = 1;
m->component = 0;
break;
case MODE_INT:
+ case MODE_POINTER_BOUNDS:
case MODE_FLOAT:
+ case MODE_DECIMAL_FLOAT:
+ case MODE_FRACT:
+ case MODE_UFRACT:
+ case MODE_ACCUM:
+ case MODE_UACCUM:
/* A scalar mode must have a byte size, may have a bit size,
- and must not have components. */
- validate_mode (m, OPTIONAL, SET, UNSET, UNSET);
+ and must not have components. A float mode must have a
+ format. */
+ validate_mode (m, OPTIONAL, SET, UNSET, UNSET,
+ (m->cl == MODE_FLOAT || m->cl == MODE_DECIMAL_FLOAT)
+ ? SET : UNSET);
- m->ncomponents = 0;
+ m->ncomponents = 1;
m->component = 0;
break;
/* A partial integer mode uses ->component to say what the
corresponding full-size integer mode is, and may also
specify a bit size. */
- validate_mode (m, OPTIONAL, UNSET, SET, UNSET);
+ validate_mode (m, OPTIONAL, UNSET, SET, UNSET, UNSET);
m->bytesize = m->component->bytesize;
- m->ncomponents = 0;
- m->component = 0; /* ??? preserve this */
+ m->ncomponents = 1;
break;
case MODE_COMPLEX_INT:
case MODE_COMPLEX_FLOAT:
/* Complex modes should have a component indicated, but no more. */
- validate_mode (m, UNSET, UNSET, SET, UNSET);
+ validate_mode (m, UNSET, UNSET, SET, UNSET, UNSET);
m->ncomponents = 2;
- if (m->component->bitsize != (unsigned int)-1)
- m->bitsize = 2 * m->component->bitsize;
+ if (m->component->precision != (unsigned int)-1)
+ m->precision = 2 * m->component->precision;
m->bytesize = 2 * m->component->bytesize;
break;
case MODE_VECTOR_INT:
case MODE_VECTOR_FLOAT:
+ case MODE_VECTOR_FRACT:
+ case MODE_VECTOR_UFRACT:
+ case MODE_VECTOR_ACCUM:
+ case MODE_VECTOR_UACCUM:
/* Vector modes should have a component and a number of components. */
- validate_mode (m, UNSET, UNSET, SET, SET);
- if (m->component->bitsize != (unsigned int)-1)
- m->bitsize = m->ncomponents * m->component->bitsize;
+ validate_mode (m, UNSET, UNSET, SET, SET, UNSET);
+ if (m->component->precision != (unsigned int)-1)
+ m->precision = m->ncomponents * m->component->precision;
m->bytesize = m->ncomponents * m->component->bytesize;
break;
default:
- abort ();
+ gcc_unreachable ();
}
/* If not already specified, the mode alignment defaults to the largest
power of two that divides the size of the object. Complex types are
not more aligned than their contents. */
- if (m->class == MODE_COMPLEX_INT || m->class == MODE_COMPLEX_FLOAT)
+ if (m->cl == MODE_COMPLEX_INT || m->cl == MODE_COMPLEX_FLOAT)
alignment = m->component->bytesize;
else
alignment = m->bytesize;
m->alignment = alignment & (~alignment + 1);
+
+ /* If this mode has components, make the component mode point back
+ to this mode, for the sake of adjustments. */
+ if (m->component)
+ {
+ m->next_cont = m->component->contained;
+ m->component->contained = m;
+ }
}
static void
complete_all_modes (void)
{
struct mode_data *m;
- enum mode_class c;
-
- for_all_modes (c, m)
+ int cl;
+
+ for_all_modes (cl, m)
complete_mode (m);
}
/* For each mode in class CLASS, construct a corresponding complex mode. */
-#define COMPLEX_MODES(C) make_complex_modes(MODE_##C, __FILE__, __LINE__)
+#define COMPLEX_MODES(C) make_complex_modes (MODE_##C, __FILE__, __LINE__)
static void
-make_complex_modes (enum mode_class class,
+make_complex_modes (enum mode_class cl,
const char *file, unsigned int line)
{
struct mode_data *m;
struct mode_data *c;
- char buf[8];
- enum mode_class cclass = complex_class (class);
+ enum mode_class cclass = complex_class (cl);
if (cclass == MODE_RANDOM)
return;
-
- for (m = known_modes[class]; m; m = m->next)
+
+ for (m = modes[cl]; m; m = m->next)
{
+ char *p, *buf;
+ size_t m_len;
+
/* Skip BImode. FIXME: BImode probably shouldn't be MODE_INT. */
- if (m->bitsize == 1)
+ if (m->precision == 1)
continue;
- if (strlen (m->name) >= sizeof buf)
- {
- error ("%s:%d:mode name \"%s\" is too long",
- m->file, m->line, m->name);
- continue;
- }
+ m_len = strlen (m->name);
+ /* The leading "1 +" is in case we prepend a "C" below. */
+ buf = (char *) xmalloc (1 + m_len + 1);
/* Float complex modes are named SCmode, etc.
Int complex modes are named CSImode, etc.
This inconsistency should be eliminated. */
- if (class == MODE_FLOAT)
+ p = 0;
+ if (cl == MODE_FLOAT)
{
- char *p;
- strncpy (buf, m->name, sizeof buf);
+ memcpy (buf, m->name, m_len + 1);
p = strchr (buf, 'F');
- if (p == 0)
+ if (p == 0 && strchr (buf, 'D') == 0)
{
- error ("%s:%d: float mode \"%s\" has no 'F'",
+ error ("%s:%d: float mode \"%s\" has no 'F' or 'D'",
m->file, m->line, m->name);
+ free (buf);
continue;
}
-
- *p = 'C';
}
+ if (p != 0)
+ *p = 'C';
else
- snprintf (buf, sizeof buf, "C%s", m->name);
+ {
+ buf[0] = 'C';
+ memcpy (buf + 1, m->name, m_len + 1);
+ }
- c = new_mode (cclass, xstrdup (buf), file, line);
+ c = new_mode (cclass, buf, file, line);
c->component = m;
}
}
-/* For all modes in class CLASS, construct vector modes of width
+/* For all modes in class CL, construct vector modes of width
WIDTH, having as many components as necessary. */
-#define VECTOR_MODES(C, W) make_vector_modes(MODE_##C, W, __FILE__, __LINE__)
-static void
-make_vector_modes (enum mode_class class, unsigned int width,
+#define VECTOR_MODES(C, W) make_vector_modes (MODE_##C, W, __FILE__, __LINE__)
+static void ATTRIBUTE_UNUSED
+make_vector_modes (enum mode_class cl, unsigned int width,
const char *file, unsigned int line)
{
struct mode_data *m;
struct mode_data *v;
char buf[8];
unsigned int ncomponents;
- enum mode_class vclass = vector_class (class);
+ enum mode_class vclass = vector_class (cl);
if (vclass == MODE_RANDOM)
return;
- for (m = known_modes[class]; m; m = m->next)
+ for (m = modes[cl]; m; m = m->next)
{
/* Do not construct vector modes with only one element, or
vector modes where the element size doesn't divide the full
/* Skip QFmode and BImode. FIXME: this special case should
not be necessary. */
- if (class == MODE_FLOAT && m->bytesize == 1)
+ if (cl == MODE_FLOAT && m->bytesize == 1)
continue;
- if (class == MODE_INT && m->bitsize == 1)
+ if (cl == MODE_INT && m->precision == 1)
continue;
if ((size_t)snprintf (buf, sizeof buf, "V%u%s", ncomponents, m->name)
/* Input. */
-#define _SPECIAL_MODE(C, N) make_special_mode(MODE_##C, #N, __FILE__, __LINE__)
+#define _SPECIAL_MODE(C, N) \
+ make_special_mode (MODE_##C, #N, __FILE__, __LINE__)
#define RANDOM_MODE(N) _SPECIAL_MODE (RANDOM, N)
#define CC_MODE(N) _SPECIAL_MODE (CC, N)
static void
-make_special_mode (enum mode_class class, const char *name,
+make_special_mode (enum mode_class cl, const char *name,
const char *file, unsigned int line)
{
- new_mode (class, name, file, line);
+ new_mode (cl, name, file, line);
+}
+
+#define POINTER_BOUNDS_MODE(N, Y) \
+ make_pointer_bounds_mode (#N, Y, __FILE__, __LINE__)
+
+static void ATTRIBUTE_UNUSED
+make_pointer_bounds_mode (const char *name,
+ unsigned int bytesize,
+ const char *file, unsigned int line)
+{
+ struct mode_data *m = new_mode (MODE_POINTER_BOUNDS, name, file, line);
+ m->bytesize = bytesize;
}
-#define _SCALAR_MODE(C, N, B, Y) \
- make_scalar_mode (MODE_##C, #N, B, Y, __FILE__, __LINE__)
-#define INT_MODE(N, Y) _SCALAR_MODE (INT, N, -1, Y)
-#define FRACTIONAL_INT_MODE(N, B, Y) _SCALAR_MODE (INT, N, B, Y)
-#define FLOAT_MODE(N, Y) _SCALAR_MODE (FLOAT, N, -1, Y)
-#define FRACTIONAL_FLOAT_MODE(N, B, Y) _SCALAR_MODE (FLOAT, N, B, Y)
+#define INT_MODE(N, Y) FRACTIONAL_INT_MODE (N, -1U, Y)
+#define FRACTIONAL_INT_MODE(N, B, Y) \
+ make_int_mode (#N, B, Y, __FILE__, __LINE__)
static void
-make_scalar_mode (enum mode_class class, const char *name,
- unsigned int bitsize, unsigned int bytesize,
- const char *file, unsigned int line)
+make_int_mode (const char *name,
+ unsigned int precision, unsigned int bytesize,
+ const char *file, unsigned int line)
+{
+ struct mode_data *m = new_mode (MODE_INT, name, file, line);
+ m->bytesize = bytesize;
+ m->precision = precision;
+}
+
+#define FRACT_MODE(N, Y, F) \
+ make_fixed_point_mode (MODE_FRACT, #N, Y, 0, F, __FILE__, __LINE__)
+
+#define UFRACT_MODE(N, Y, F) \
+ make_fixed_point_mode (MODE_UFRACT, #N, Y, 0, F, __FILE__, __LINE__)
+
+#define ACCUM_MODE(N, Y, I, F) \
+ make_fixed_point_mode (MODE_ACCUM, #N, Y, I, F, __FILE__, __LINE__)
+
+#define UACCUM_MODE(N, Y, I, F) \
+ make_fixed_point_mode (MODE_UACCUM, #N, Y, I, F, __FILE__, __LINE__)
+
+/* Create a fixed-point mode by setting CL, NAME, BYTESIZE, IBIT, FBIT,
+ FILE, and LINE. */
+
+static void
+make_fixed_point_mode (enum mode_class cl,
+ const char *name,
+ unsigned int bytesize,
+ unsigned int ibit,
+ unsigned int fbit,
+ const char *file, unsigned int line)
{
- struct mode_data *m = new_mode (class, name, file, line);
+ struct mode_data *m = new_mode (cl, name, file, line);
m->bytesize = bytesize;
- m->bitsize = bitsize;
+ m->ibit = ibit;
+ m->fbit = fbit;
}
-/* Partial integer modes are specified by relation to a full integer mode.
- For now, we do not attempt to narrow down their bit sizes. */
-#define PARTIAL_INT_MODE(M) \
- make_partial_integer_mode (#M, "P" #M, -1, __FILE__, __LINE__)
+#define FLOAT_MODE(N, Y, F) FRACTIONAL_FLOAT_MODE (N, -1U, Y, F)
+#define FRACTIONAL_FLOAT_MODE(N, B, Y, F) \
+ make_float_mode (#N, B, Y, #F, __FILE__, __LINE__)
+
+static void
+make_float_mode (const char *name,
+ unsigned int precision, unsigned int bytesize,
+ const char *format,
+ const char *file, unsigned int line)
+{
+ struct mode_data *m = new_mode (MODE_FLOAT, name, file, line);
+ m->bytesize = bytesize;
+ m->precision = precision;
+ m->format = format;
+}
+
+#define DECIMAL_FLOAT_MODE(N, Y, F) \
+ FRACTIONAL_DECIMAL_FLOAT_MODE (N, -1U, Y, F)
+#define FRACTIONAL_DECIMAL_FLOAT_MODE(N, B, Y, F) \
+ make_decimal_float_mode (#N, B, Y, #F, __FILE__, __LINE__)
+
+static void
+make_decimal_float_mode (const char *name,
+ unsigned int precision, unsigned int bytesize,
+ const char *format,
+ const char *file, unsigned int line)
+{
+ struct mode_data *m = new_mode (MODE_DECIMAL_FLOAT, name, file, line);
+ m->bytesize = bytesize;
+ m->precision = precision;
+ m->format = format;
+}
+
+#define RESET_FLOAT_FORMAT(N, F) \
+ reset_float_format (#N, #F, __FILE__, __LINE__)
+static void ATTRIBUTE_UNUSED
+reset_float_format (const char *name, const char *format,
+ const char *file, unsigned int line)
+{
+ struct mode_data *m = find_mode (name);
+ if (!m)
+ {
+ error ("%s:%d: no mode \"%s\"", file, line, name);
+ return;
+ }
+ if (m->cl != MODE_FLOAT && m->cl != MODE_DECIMAL_FLOAT)
+ {
+ error ("%s:%d: mode \"%s\" is not a FLOAT class", file, line, name);
+ return;
+ }
+ m->format = format;
+}
+
+/* __intN support. */
+#define INT_N(M,PREC) \
+ make_int_n (#M, PREC, __FILE__, __LINE__)
+static void ATTRIBUTE_UNUSED
+make_int_n (const char *m, int bitsize,
+ const char *file, unsigned int line)
+{
+ struct mode_data *component = find_mode (m);
+ if (!component)
+ {
+ error ("%s:%d: no mode \"%s\"", file, line, m);
+ return;
+ }
+ if (component->cl != MODE_INT
+ && component->cl != MODE_PARTIAL_INT)
+ {
+ error ("%s:%d: mode \"%s\" is not class INT or PARTIAL_INT", file, line, m);
+ return;
+ }
+ if (component->int_n != 0)
+ {
+ error ("%s:%d: mode \"%s\" already has an intN", file, line, m);
+ return;
+ }
+
+ component->int_n = bitsize;
+}
+
+/* Partial integer modes are specified by relation to a full integer
+ mode. */
+#define PARTIAL_INT_MODE(M,PREC,NAME) \
+ make_partial_integer_mode (#M, #NAME, PREC, __FILE__, __LINE__)
static void ATTRIBUTE_UNUSED
make_partial_integer_mode (const char *base, const char *name,
- unsigned int bitsize,
+ unsigned int precision,
const char *file, unsigned int line)
{
struct mode_data *m;
- struct mode_data *component = find_mode (MODE_INT, base);
+ struct mode_data *component = find_mode (base);
if (!component)
{
- error ("%s:%d: no mode \"%s\" in class INT", file, line, name);
+ error ("%s:%d: no mode \"%s\"", file, line, name);
+ return;
+ }
+ if (component->cl != MODE_INT)
+ {
+ error ("%s:%d: mode \"%s\" is not class INT", file, line, name);
return;
}
-
+
m = new_mode (MODE_PARTIAL_INT, name, file, line);
- m->bitsize = bitsize;
+ m->precision = precision;
m->component = component;
}
{
struct mode_data *v;
enum mode_class vclass = vector_class (bclass);
- struct mode_data *component = find_mode (bclass, base);
- char namebuf[8];
+ struct mode_data *component = find_mode (base);
+ char namebuf[16];
if (vclass == MODE_RANDOM)
return;
if (component == 0)
{
- error ("%s:%d: no mode \"%s\" in class %s",
+ error ("%s:%d: no mode \"%s\"", file, line, base);
+ return;
+ }
+ if (component->cl != bclass
+ && (component->cl != MODE_PARTIAL_INT
+ || bclass != MODE_INT))
+ {
+ error ("%s:%d: mode \"%s\" is not class %s",
file, line, base, mode_class_names[bclass] + 5);
return;
}
ncomponents, base) >= sizeof namebuf)
{
error ("%s:%d: mode name \"%s\" is too long",
- base, file, line);
+ file, line, base);
return;
}
v->ncomponents = ncomponents;
v->component = component;
}
-
+
+/* Adjustability. */
+#define _ADD_ADJUST(A, M, X, C1, C2) \
+ new_adjust (#M, &adj_##A, #A, #X, MODE_##C1, MODE_##C2, __FILE__, __LINE__)
+
+#define ADJUST_BYTESIZE(M, X) _ADD_ADJUST (bytesize, M, X, RANDOM, RANDOM)
+#define ADJUST_ALIGNMENT(M, X) _ADD_ADJUST (alignment, M, X, RANDOM, RANDOM)
+#define ADJUST_FLOAT_FORMAT(M, X) _ADD_ADJUST (format, M, X, FLOAT, FLOAT)
+#define ADJUST_IBIT(M, X) _ADD_ADJUST (ibit, M, X, ACCUM, UACCUM)
+#define ADJUST_FBIT(M, X) _ADD_ADJUST (fbit, M, X, FRACT, UACCUM)
+
+static int bits_per_unit;
+static int max_bitsize_mode_any_int;
static void
create_modes (void)
{
#include "machmode.def"
+
+ /* So put the default value unless the target needs a non standard
+ value. */
+#ifdef BITS_PER_UNIT
+ bits_per_unit = BITS_PER_UNIT;
+#else
+ bits_per_unit = 8;
+#endif
+
+#ifdef MAX_BITSIZE_MODE_ANY_INT
+ max_bitsize_mode_any_int = MAX_BITSIZE_MODE_ANY_INT;
+#else
+ max_bitsize_mode_any_int = 0;
+#endif
}
/* Processing. */
/* Sort a list of modes into the order needed for the WIDER field:
- major sort by bitsize, minor sort by component bitsize.
+ major sort by precision, minor sort by component precision.
For instance:
QI < HI < SI < DI < TI
V4QI < V2HI < V8QI < V4HI < V2SI.
- If the bitsize is not set, sort by the bytesize. A mode with
- bitsize set gets sorted before a mode without bitsize set, if
+ If the precision is not set, sort by the bytesize. A mode with
+ precision set gets sorted before a mode without precision set, if
they have the same bytesize; this is the right thing because
- the bitsize must always be smaller than the bytesize * BITS_PER_UNIT.
+ the precision must always be smaller than the bytesize * BITS_PER_UNIT.
We don't have to do anything special to get this done -- an unset
- bitsize shows up as (unsigned int)-1, i.e. UINT_MAX. */
+ precision shows up as (unsigned int)-1, i.e. UINT_MAX. */
static int
cmp_modes (const void *a, const void *b)
{
- struct mode_data *m = *(struct mode_data **)a;
- struct mode_data *n = *(struct mode_data **)b;
+ const struct mode_data *const m = *(const struct mode_data *const*)a;
+ const struct mode_data *const n = *(const struct mode_data *const*)b;
if (m->bytesize > n->bytesize)
return 1;
else if (m->bytesize < n->bytesize)
return -1;
- if (m->bitsize > n->bitsize)
+ if (m->precision > n->precision)
return 1;
- else if (m->bitsize < n->bitsize)
+ else if (m->precision < n->precision)
return -1;
if (!m->component && !n->component)
- return 0;
+ {
+ if (m->counter < n->counter)
+ return -1;
+ else
+ return 1;
+ }
if (m->component->bytesize > n->component->bytesize)
return 1;
else if (m->component->bytesize < n->component->bytesize)
return -1;
- if (m->component->bitsize > n->component->bitsize)
+ if (m->component->precision > n->component->precision)
return 1;
- else if (m->component->bitsize < n->component->bitsize)
+ else if (m->component->precision < n->component->precision)
return -1;
- return 0;
+ if (m->counter < n->counter)
+ return -1;
+ else
+ return 1;
}
static void
calc_wider_mode (void)
{
- enum mode_class c;
+ int c;
struct mode_data *m;
struct mode_data **sortbuf;
unsigned int max_n_modes = 0;
for (c = 0; c < MAX_MODE_CLASS; c++)
max_n_modes = MAX (max_n_modes, n_modes[c]);
- sortbuf = alloca (max_n_modes * sizeof (struct mode_data *));
+ /* Allocate max_n_modes + 1 entries to leave room for the extra null
+ pointer assigned after the qsort call below. */
+ sortbuf = XALLOCAVEC (struct mode_data *, max_n_modes + 1);
for (c = 0; c < MAX_MODE_CLASS; c++)
{
{
struct mode_data *prev, *next;
- for (prev = 0, m = known_modes[c]; m; m = next)
+ for (prev = 0, m = modes[c]; m; m = next)
{
m->wider = void_mode;
m->next = prev;
prev = m;
}
- known_modes[c] = prev;
+ modes[c] = prev;
}
else
{
- if (!known_modes[c])
+ if (!modes[c])
continue;
- for (i = 0, m = known_modes[c]; m; i++, m = m->next)
+ for (i = 0, m = modes[c]; m; i++, m = m->next)
sortbuf[i] = m;
qsort (sortbuf, i, sizeof (struct mode_data *), cmp_modes);
sortbuf[i] = 0;
for (j = 0; j < i; j++)
- sortbuf[j]->next = sortbuf[j]->wider = sortbuf[j + 1];
-
+ {
+ sortbuf[j]->next = sortbuf[j + 1];
+ if (c == MODE_PARTIAL_INT)
+ sortbuf[j]->wider = sortbuf[j]->component;
+ else
+ sortbuf[j]->wider = sortbuf[j]->next;
+ }
- known_modes[c] = sortbuf[0];
+ modes[c] = sortbuf[0];
}
}
}
/* Output routines. */
#define tagged_printf(FMT, ARG, TAG) do { \
- int count_; \
- printf (" " FMT ",%n", ARG, &count_); \
+ int count_ = printf (" " FMT ",", ARG); \
printf ("%*s/* %s */\n", 27 - count_, "", TAG); \
} while (0)
#define print_decl(TYPE, NAME, ASIZE) \
- printf ("\nconst %s %s[%s] =\n{\n", TYPE, NAME, ASIZE);
+ puts ("\nconst " TYPE " " NAME "[" ASIZE "] =\n{");
+
+#define print_maybe_const_decl(TYPE, NAME, ASIZE, CATEGORY) \
+ printf ("\n" TYPE " " NAME "[" ASIZE "] = \n{\n", \
+ adj_##CATEGORY ? "" : "const ")
#define print_closer() puts ("};")
+/* Compute the max bitsize of some of the classes of integers. It may
+ be that there are needs for the other integer classes, and this
+ code is easy to extend. */
+static void
+emit_max_int (void)
+{
+ unsigned int max, mmax;
+ struct mode_data *i;
+ int j;
+
+ puts ("");
+
+ printf ("#define BITS_PER_UNIT (%d)\n", bits_per_unit);
+
+ if (max_bitsize_mode_any_int == 0)
+ {
+ for (max = 1, i = modes[MODE_INT]; i; i = i->next)
+ if (max < i->bytesize)
+ max = i->bytesize;
+ mmax = max;
+ for (max = 1, i = modes[MODE_PARTIAL_INT]; i; i = i->next)
+ if (max < i->bytesize)
+ max = i->bytesize;
+ if (max > mmax)
+ mmax = max;
+ printf ("#define MAX_BITSIZE_MODE_ANY_INT (%d*BITS_PER_UNIT)\n", mmax);
+ }
+ else
+ printf ("#define MAX_BITSIZE_MODE_ANY_INT %d\n", max_bitsize_mode_any_int);
+
+ mmax = 0;
+ for (j = 0; j < MAX_MODE_CLASS; j++)
+ for (i = modes[j]; i; i = i->next)
+ if (mmax < i->bytesize)
+ mmax = i->bytesize;
+ printf ("#define MAX_BITSIZE_MODE_ANY_MODE (%d*BITS_PER_UNIT)\n", mmax);
+}
+
+/* Emit mode_size_inline routine into insn-modes.h header. */
+static void
+emit_mode_size_inline (void)
+{
+ int c;
+ struct mode_adjust *a;
+ struct mode_data *m;
+
+ /* Size adjustments must be propagated to all containing modes. */
+ for (a = adj_bytesize; a; a = a->next)
+ {
+ a->mode->need_bytesize_adj = true;
+ for (m = a->mode->contained; m; m = m->next_cont)
+ m->need_bytesize_adj = true;
+ }
+
+ printf ("\
+#ifdef __cplusplus\n\
+inline __attribute__((__always_inline__))\n\
+#else\n\
+extern __inline__ __attribute__((__always_inline__, __gnu_inline__))\n\
+#endif\n\
+unsigned char\n\
+mode_size_inline (machine_mode mode)\n\
+{\n\
+ extern %sunsigned char mode_size[NUM_MACHINE_MODES];\n\
+ switch (mode)\n\
+ {\n", adj_bytesize ? "" : "const ");
+
+ for_all_modes (c, m)
+ if (!m->need_bytesize_adj)
+ printf (" case %smode: return %u;\n", m->name, m->bytesize);
+
+ puts ("\
+ default: return mode_size[mode];\n\
+ }\n\
+}\n");
+}
+
+/* Emit mode_nunits_inline routine into insn-modes.h header. */
+static void
+emit_mode_nunits_inline (void)
+{
+ int c;
+ struct mode_data *m;
+
+ puts ("\
+#ifdef __cplusplus\n\
+inline __attribute__((__always_inline__))\n\
+#else\n\
+extern __inline__ __attribute__((__always_inline__, __gnu_inline__))\n\
+#endif\n\
+unsigned char\n\
+mode_nunits_inline (machine_mode mode)\n\
+{\n\
+ extern const unsigned char mode_nunits[NUM_MACHINE_MODES];\n\
+ switch (mode)\n\
+ {");
+
+ for_all_modes (c, m)
+ printf (" case %smode: return %u;\n", m->name, m->ncomponents);
+
+ puts ("\
+ default: return mode_nunits[mode];\n\
+ }\n\
+}\n");
+}
+
+/* Emit mode_inner_inline routine into insn-modes.h header. */
+static void
+emit_mode_inner_inline (void)
+{
+ int c;
+ struct mode_data *m;
+
+ puts ("\
+#ifdef __cplusplus\n\
+inline __attribute__((__always_inline__))\n\
+#else\n\
+extern __inline__ __attribute__((__always_inline__, __gnu_inline__))\n\
+#endif\n\
+unsigned char\n\
+mode_inner_inline (machine_mode mode)\n\
+{\n\
+ extern const unsigned char mode_inner[NUM_MACHINE_MODES];\n\
+ switch (mode)\n\
+ {");
+
+ for_all_modes (c, m)
+ printf (" case %smode: return %smode;\n", m->name,
+ c != MODE_PARTIAL_INT && m->component
+ ? m->component->name : void_mode->name);
+
+ puts ("\
+ default: return mode_inner[mode];\n\
+ }\n\
+}\n");
+}
+
static void
emit_insn_modes_h (void)
{
- enum mode_class c;
+ int c;
struct mode_data *m, *first, *last;
+ int n_int_n_ents = 0;
printf ("/* Generated automatically from machmode.def%s%s\n",
HAVE_EXTRA_MODES ? " and " : "",
enum machine_mode\n{");
for (c = 0; c < MAX_MODE_CLASS; c++)
- for (m = known_modes[c]; m; m = m->next)
+ for (m = modes[c]; m; m = m->next)
{
- int count_;
- printf (" %smode,%n", m->name, &count_);
+ int count_ = printf (" %smode,", m->name);
printf ("%*s/* %s:%d */\n", 27 - count_, "",
trim_filename (m->file), m->line);
+ printf ("#define HAVE_%smode\n", m->name);
}
puts (" MAX_MACHINE_MODE,\n");
for (c = 0; c < MAX_MODE_CLASS; c++)
{
- first = known_modes[c];
+ first = modes[c];
last = 0;
for (m = first; m; last = m, m = m->next)
;
end will try to use it for bitfields in structures and the
like, which we do not want. Only the target md file should
generate BImode widgets. */
- if (first && first->bitsize == 1)
+ if (first && first->precision == 1 && c == MODE_INT)
first = first->next;
if (first && last)
puts ("\
NUM_MACHINE_MODES = MAX_MACHINE_MODE\n\
-};\n\
+};\n");
+
+ /* I can't think of a better idea, can you? */
+ printf ("#define CONST_MODE_SIZE%s\n", adj_bytesize ? "" : " const");
+ printf ("#define CONST_MODE_BASE_ALIGN%s\n", adj_alignment ? "" : " const");
+#if 0 /* disabled for backward compatibility, temporary */
+ printf ("#define CONST_REAL_FORMAT_FOR_MODE%s\n", adj_format ? "" :" const");
+#endif
+ printf ("#define CONST_MODE_IBIT%s\n", adj_ibit ? "" : " const");
+ printf ("#define CONST_MODE_FBIT%s\n", adj_fbit ? "" : " const");
+ emit_max_int ();
+
+ for_all_modes (c, m)
+ if (m->int_n)
+ n_int_n_ents ++;
+
+ printf ("#define NUM_INT_N_ENTS %d\n", n_int_n_ents);
+
+ puts ("\n#if !defined (USED_FOR_TARGET) && GCC_VERSION >= 4001\n");
+ emit_mode_size_inline ();
+ emit_mode_nunits_inline ();
+ emit_mode_inner_inline ();
+ puts ("#endif /* GCC_VERSION >= 4001 */");
+
+ puts ("\
\n\
#endif /* insn-modes.h */");
}
puts ("\
by genmodes. */\n\
\n\
-#define GENERATOR_FILE /* This inhibits insn-flags.h and\n\
- insn-constants.h, which don't exist yet. */\n\
#include \"config.h\"\n\
#include \"system.h\"\n\
#include \"coretypes.h\"\n\
#include \"tm.h\"\n\
+#include \"machmode.h\"\n\
+#include \"real.h\"");
+}
+
+static void
+emit_min_insn_modes_c_header (void)
+{
+ printf ("/* Generated automatically from machmode.def%s%s\n",
+ HAVE_EXTRA_MODES ? " and " : "",
+ EXTRA_MODES_FILE);
+
+ puts ("\
+ by genmodes. */\n\
+\n\
+#include \"bconfig.h\"\n\
+#include \"system.h\"\n\
#include \"machmode.h\"");
}
static void
emit_mode_name (void)
{
- enum mode_class c;
+ int c;
struct mode_data *m;
print_decl ("char *const", "mode_name", "NUM_MACHINE_MODES");
static void
emit_mode_class (void)
{
- enum mode_class c;
+ int c;
struct mode_data *m;
print_decl ("unsigned char", "mode_class", "NUM_MACHINE_MODES");
for_all_modes (c, m)
- tagged_printf ("%s", mode_class_names[m->class], m->name);
+ tagged_printf ("%s", mode_class_names[m->cl], m->name);
print_closer ();
}
static void
-emit_mode_bitsize (void)
+emit_mode_precision (void)
{
- enum mode_class c;
+ int c;
struct mode_data *m;
- print_decl ("unsigned short", "mode_bitsize", "NUM_MACHINE_MODES");
+ print_decl ("unsigned short", "mode_precision", "NUM_MACHINE_MODES");
for_all_modes (c, m)
- if (m->bitsize != (unsigned int)-1)
- tagged_printf ("%u", m->bitsize, m->name);
+ if (m->precision != (unsigned int)-1)
+ tagged_printf ("%u", m->precision, m->name);
else
tagged_printf ("%u*BITS_PER_UNIT", m->bytesize, m->name);
static void
emit_mode_size (void)
{
- enum mode_class c;
+ int c;
struct mode_data *m;
- print_decl ("unsigned char", "mode_size", "NUM_MACHINE_MODES");
+ print_maybe_const_decl ("%sunsigned char", "mode_size",
+ "NUM_MACHINE_MODES", bytesize);
for_all_modes (c, m)
tagged_printf ("%u", m->bytesize, m->name);
}
static void
-emit_mode_unit_size (void)
+emit_mode_nunits (void)
{
- enum mode_class c;
+ int c;
struct mode_data *m;
- print_decl ("unsigned char", "mode_unit_size", "NUM_MACHINE_MODES");
+ print_decl ("unsigned char", "mode_nunits", "NUM_MACHINE_MODES");
for_all_modes (c, m)
- tagged_printf ("%u",
- m->component
- ? m->component->bytesize : m->bytesize,
- m->name);
+ tagged_printf ("%u", m->ncomponents, m->name);
print_closer ();
}
static void
emit_mode_wider (void)
{
- enum mode_class c;
+ int c;
struct mode_data *m;
print_decl ("unsigned char", "mode_wider", "NUM_MACHINE_MODES");
m->name);
print_closer ();
+ print_decl ("unsigned char", "mode_2xwider", "NUM_MACHINE_MODES");
+
+ for_all_modes (c, m)
+ {
+ struct mode_data * m2;
+
+ for (m2 = m;
+ m2 && m2 != void_mode;
+ m2 = m2->wider)
+ {
+ if (m2->bytesize < 2 * m->bytesize)
+ continue;
+ if (m->precision != (unsigned int) -1)
+ {
+ if (m2->precision != 2 * m->precision)
+ continue;
+ }
+ else
+ {
+ if (m2->precision != (unsigned int) -1)
+ continue;
+ }
+
+ /* For vectors we want twice the number of components,
+ with the same element type. */
+ if (m->cl == MODE_VECTOR_INT
+ || m->cl == MODE_VECTOR_FLOAT
+ || m->cl == MODE_VECTOR_FRACT
+ || m->cl == MODE_VECTOR_UFRACT
+ || m->cl == MODE_VECTOR_ACCUM
+ || m->cl == MODE_VECTOR_UACCUM)
+ {
+ if (m2->ncomponents != 2 * m->ncomponents)
+ continue;
+ if (m->component != m2->component)
+ continue;
+ }
+
+ break;
+ }
+ if (m2 == void_mode)
+ m2 = 0;
+ tagged_printf ("%smode",
+ m2 ? m2->name : void_mode->name,
+ m->name);
+ }
+
+ print_closer ();
}
static void
emit_mode_mask (void)
{
- enum mode_class c;
+ int c;
struct mode_data *m;
print_decl ("unsigned HOST_WIDE_INT", "mode_mask_array",
"NUM_MACHINE_MODES");
puts ("\
-#define MASK(m) \\\n\
+#define MODE_MASK(m) \\\n\
((m) >= HOST_BITS_PER_WIDE_INT) \\\n\
? ~(unsigned HOST_WIDE_INT) 0 \\\n\
: ((unsigned HOST_WIDE_INT) 1 << (m)) - 1\n");
for_all_modes (c, m)
- if (m->bitsize != (unsigned int)-1)
- tagged_printf ("MASK (%u)", m->bitsize, m->name);
+ if (m->precision != (unsigned int)-1)
+ tagged_printf ("MODE_MASK (%u)", m->precision, m->name);
else
- tagged_printf ("MASK (%u*BITS_PER_UNIT)", m->bytesize, m->name);
+ tagged_printf ("MODE_MASK (%u*BITS_PER_UNIT)", m->bytesize, m->name);
- puts ("#undef MASK");
+ puts ("#undef MODE_MASK");
print_closer ();
}
static void
emit_mode_inner (void)
{
- enum mode_class c;
+ int c;
struct mode_data *m;
print_decl ("unsigned char", "mode_inner", "NUM_MACHINE_MODES");
for_all_modes (c, m)
tagged_printf ("%smode",
- m->component ? m->component->name : void_mode->name,
+ c != MODE_PARTIAL_INT && m->component
+ ? m->component->name : void_mode->name,
m->name);
print_closer ();
static void
emit_mode_base_align (void)
{
- enum mode_class c;
+ int c;
struct mode_data *m;
- print_decl ("unsigned char", "mode_base_align", "NUM_MACHINE_MODES");
+ print_maybe_const_decl ("%sunsigned char",
+ "mode_base_align", "NUM_MACHINE_MODES",
+ alignment);
for_all_modes (c, m)
tagged_printf ("%u", m->alignment, m->name);
static void
emit_class_narrowest_mode (void)
{
- enum mode_class c;
+ int c;
print_decl ("unsigned char", "class_narrowest_mode", "MAX_MODE_CLASS");
for (c = 0; c < MAX_MODE_CLASS; c++)
/* Bleah, all this to get the comment right for MIN_MODE_INT. */
tagged_printf ("MIN_%s", mode_class_names[c],
- known_modes[c]
- ? (known_modes[c]->bitsize != 1
- ? known_modes[c]->name
- : (known_modes[c]->next
- ? known_modes[c]->next->name
+ modes[c]
+ ? ((c != MODE_INT || modes[c]->precision != 1)
+ ? modes[c]->name
+ : (modes[c]->next
+ ? modes[c]->next->name
: void_mode->name))
: void_mode->name);
-
+
+ print_closer ();
+}
+
+static void
+emit_real_format_for_mode (void)
+{
+ struct mode_data *m;
+
+ /* The entities pointed to by this table are constant, whether
+ or not the table itself is constant.
+
+ For backward compatibility this table is always writable
+ (several targets modify it in TARGET_OPTION_OVERRIDE). FIXME:
+ convert all said targets to use ADJUST_FORMAT instead. */
+#if 0
+ print_maybe_const_decl ("const struct real_format *%s",
+ "real_format_for_mode",
+ "MAX_MODE_FLOAT - MIN_MODE_FLOAT + 1",
+ format);
+#else
+ print_decl ("struct real_format *\n", "real_format_for_mode",
+ "MAX_MODE_FLOAT - MIN_MODE_FLOAT + 1 "
+ "+ MAX_MODE_DECIMAL_FLOAT - MIN_MODE_DECIMAL_FLOAT + 1");
+#endif
+
+ /* The beginning of the table is entries for float modes. */
+ for (m = modes[MODE_FLOAT]; m; m = m->next)
+ if (!strcmp (m->format, "0"))
+ tagged_printf ("%s", m->format, m->name);
+ else
+ tagged_printf ("&%s", m->format, m->name);
+
+ /* The end of the table is entries for decimal float modes. */
+ for (m = modes[MODE_DECIMAL_FLOAT]; m; m = m->next)
+ if (!strcmp (m->format, "0"))
+ tagged_printf ("%s", m->format, m->name);
+ else
+ tagged_printf ("&%s", m->format, m->name);
+
+ print_closer ();
+}
+
+static void
+emit_mode_adjustments (void)
+{
+ struct mode_adjust *a;
+ struct mode_data *m;
+
+ puts ("\
+\nvoid\
+\ninit_adjust_machine_modes (void)\
+\n{\
+\n size_t s ATTRIBUTE_UNUSED;");
+
+ /* Size adjustments must be propagated to all containing modes.
+ A size adjustment forces us to recalculate the alignment too. */
+ for (a = adj_bytesize; a; a = a->next)
+ {
+ printf ("\n /* %s:%d */\n s = %s;\n",
+ a->file, a->line, a->adjustment);
+ printf (" mode_size[%smode] = s;\n", a->mode->name);
+ printf (" mode_base_align[%smode] = s & (~s + 1);\n",
+ a->mode->name);
+
+ for (m = a->mode->contained; m; m = m->next_cont)
+ {
+ switch (m->cl)
+ {
+ case MODE_COMPLEX_INT:
+ case MODE_COMPLEX_FLOAT:
+ printf (" mode_size[%smode] = 2*s;\n", m->name);
+ printf (" mode_base_align[%smode] = s & (~s + 1);\n",
+ m->name);
+ break;
+
+ case MODE_VECTOR_INT:
+ case MODE_VECTOR_FLOAT:
+ case MODE_VECTOR_FRACT:
+ case MODE_VECTOR_UFRACT:
+ case MODE_VECTOR_ACCUM:
+ case MODE_VECTOR_UACCUM:
+ printf (" mode_size[%smode] = %d*s;\n",
+ m->name, m->ncomponents);
+ printf (" mode_base_align[%smode] = (%d*s) & (~(%d*s)+1);\n",
+ m->name, m->ncomponents, m->ncomponents);
+ break;
+
+ default:
+ internal_error (
+ "mode %s is neither vector nor complex but contains %s",
+ m->name, a->mode->name);
+ /* NOTREACHED */
+ }
+ }
+ }
+
+ /* Alignment adjustments propagate too.
+ ??? This may not be the right thing for vector modes. */
+ for (a = adj_alignment; a; a = a->next)
+ {
+ printf ("\n /* %s:%d */\n s = %s;\n",
+ a->file, a->line, a->adjustment);
+ printf (" mode_base_align[%smode] = s;\n", a->mode->name);
+
+ for (m = a->mode->contained; m; m = m->next_cont)
+ {
+ switch (m->cl)
+ {
+ case MODE_COMPLEX_INT:
+ case MODE_COMPLEX_FLOAT:
+ printf (" mode_base_align[%smode] = s;\n", m->name);
+ break;
+
+ case MODE_VECTOR_INT:
+ case MODE_VECTOR_FLOAT:
+ case MODE_VECTOR_FRACT:
+ case MODE_VECTOR_UFRACT:
+ case MODE_VECTOR_ACCUM:
+ case MODE_VECTOR_UACCUM:
+ printf (" mode_base_align[%smode] = %d*s;\n",
+ m->name, m->ncomponents);
+ break;
+
+ default:
+ internal_error (
+ "mode %s is neither vector nor complex but contains %s",
+ m->name, a->mode->name);
+ /* NOTREACHED */
+ }
+ }
+ }
+
+ /* Ibit adjustments don't have to propagate. */
+ for (a = adj_ibit; a; a = a->next)
+ {
+ printf ("\n /* %s:%d */\n s = %s;\n",
+ a->file, a->line, a->adjustment);
+ printf (" mode_ibit[%smode] = s;\n", a->mode->name);
+ }
+
+ /* Fbit adjustments don't have to propagate. */
+ for (a = adj_fbit; a; a = a->next)
+ {
+ printf ("\n /* %s:%d */\n s = %s;\n",
+ a->file, a->line, a->adjustment);
+ printf (" mode_fbit[%smode] = s;\n", a->mode->name);
+ }
+
+ /* Real mode formats don't have to propagate anywhere. */
+ for (a = adj_format; a; a = a->next)
+ printf ("\n /* %s:%d */\n REAL_MODE_FORMAT (%smode) = %s;\n",
+ a->file, a->line, a->mode->name, a->adjustment);
+
+ puts ("}");
+}
+
+/* Emit ibit for all modes. */
+
+static void
+emit_mode_ibit (void)
+{
+ int c;
+ struct mode_data *m;
+
+ print_maybe_const_decl ("%sunsigned char",
+ "mode_ibit", "NUM_MACHINE_MODES",
+ ibit);
+
+ for_all_modes (c, m)
+ tagged_printf ("%u", m->ibit, m->name);
+
print_closer ();
}
+/* Emit fbit for all modes. */
+
+static void
+emit_mode_fbit (void)
+{
+ int c;
+ struct mode_data *m;
+
+ print_maybe_const_decl ("%sunsigned char",
+ "mode_fbit", "NUM_MACHINE_MODES",
+ fbit);
+
+ for_all_modes (c, m)
+ tagged_printf ("%u", m->fbit, m->name);
+
+ print_closer ();
+}
+
+/* Emit __intN for all modes. */
+
+static void
+emit_mode_int_n (void)
+{
+ int c;
+ struct mode_data *m;
+ struct mode_data **mode_sort;
+ int n_modes = 0;
+ int i, j;
+
+ print_decl ("int_n_data_t", "int_n_data", "");
+
+ n_modes = 0;
+ for_all_modes (c, m)
+ if (m->int_n)
+ n_modes ++;
+ mode_sort = XALLOCAVEC (struct mode_data *, n_modes);
+
+ n_modes = 0;
+ for_all_modes (c, m)
+ if (m->int_n)
+ mode_sort[n_modes++] = m;
+
+ /* Yes, this is a bubblesort, but there are at most four (and
+ usually only 1-2) entries to sort. */
+ for (i = 0; i<n_modes - 1; i++)
+ for (j = i + 1; j < n_modes; j++)
+ if (mode_sort[i]->int_n > mode_sort[j]->int_n)
+ std::swap (mode_sort[i], mode_sort[j]);
+
+ for (i = 0; i < n_modes; i ++)
+ {
+ m = mode_sort[i];
+ printf(" {\n");
+ tagged_printf ("%u", m->int_n, m->name);
+ printf ("%smode,", m->name);
+ printf(" },\n");
+ }
+
+ print_closer ();
+}
+
+
static void
emit_insn_modes_c (void)
{
emit_insn_modes_c_header ();
emit_mode_name ();
emit_mode_class ();
- emit_mode_bitsize ();
+ emit_mode_precision ();
emit_mode_size ();
- emit_mode_unit_size ();
+ emit_mode_nunits ();
emit_mode_wider ();
emit_mode_mask ();
emit_mode_inner ();
emit_mode_base_align ();
emit_class_narrowest_mode ();
+ emit_real_format_for_mode ();
+ emit_mode_adjustments ();
+ emit_mode_ibit ();
+ emit_mode_fbit ();
+ emit_mode_int_n ();
+}
+
+static void
+emit_min_insn_modes_c (void)
+{
+ emit_min_insn_modes_c_header ();
+ emit_mode_name ();
+ emit_mode_class ();
+ emit_mode_wider ();
+ emit_class_narrowest_mode ();
}
/* Master control. */
int
-main(int argc, char **argv)
+main (int argc, char **argv)
{
- bool gen_header;
+ bool gen_header = false, gen_min = false;
progname = argv[0];
if (argc == 1)
- gen_header = false;
+ ;
else if (argc == 2 && !strcmp (argv[1], "-h"))
gen_header = true;
+ else if (argc == 2 && !strcmp (argv[1], "-m"))
+ gen_min = true;
else
{
- error ("usage: %s [-h] > file", progname);
+ error ("usage: %s [-h|-m] > file", progname);
return FATAL_EXIT_CODE;
}
+ modes_by_name = htab_create_alloc (64, hash_mode, eq_mode, 0, xcalloc, free);
+
create_modes ();
complete_all_modes ();
if (have_error)
return FATAL_EXIT_CODE;
-
+
calc_wider_mode ();
if (gen_header)
emit_insn_modes_h ();
+ else if (gen_min)
+ emit_min_insn_modes_c ();
else
emit_insn_modes_c ();
projects / gcc.git / blobdiff