/* Generate the machine mode enumeration and associated tables.
- Copyright (C) 2003
+ Copyright (C) 2003, 2004, 2005, 2006, 2007
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 - MODE_FLOAT only */
+ 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 *wider_2x; /* 2x wider mode */
struct mode_data *contained; /* Pointer to list of modes that have
this mode as a component. */
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 */
};
static struct mode_data *modes[MAX_MODE_CLASS];
static const struct mode_data blank_mode = {
0, "<unknown>", MAX_MODE_CLASS,
- -1, -1, -1, -1,
- 0, 0, 0, 0, 0,
- "<unknown>", 0
+ -1U, -1U, -1U, -1U,
+ 0, 0, 0, 0, 0, 0,
+ "<unknown>", 0, 0, 0, 0
};
static htab_t modes_by_name;
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;
}
}
struct mode_data key;
key.name = name;
- return htab_find (modes_by_name, &key);
+ 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 (name);
if (m)
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[class];
- modes[class] = m;
- n_modes[class]++;
+ m->next = modes[cl];
+ modes[cl] = m;
+ n_modes[cl]++;
*htab_find_slot (modes_by_name, m, INSERT) = m;
new_adjust (const char *name,
struct mode_adjust **category, const char *catname,
const char *adjustment,
- enum mode_class required_class,
+ 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);
return;
}
- if (required_class != MODE_RANDOM && mode->class != required_class)
+ if (required_class_from != MODE_RANDOM
+ && (mode->cl < required_class_from || mode->cl > required_class_to))
{
- error ("%s:%d: mode \"%s\" is not class %s",
- file, line, name, mode_class_names[required_class] + 5);
+ 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;
}
return;
}
- a = xmalloc (sizeof (struct mode_adjust));
+ a = XNEW (struct mode_adjust);
a->mode = mode;
a->adjustment = adjustment;
a->file = file;
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_format)
{
- validate_field (m, bitsize);
+ validate_field (m, precision);
validate_field (m, bytesize);
validate_field (m, component);
validate_field (m, ncomponents);
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. */
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_INT:
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. A float mode must have a
format. */
validate_mode (m, OPTIONAL, SET, UNSET, UNSET,
- m->class == MODE_FLOAT ? SET : UNSET);
+ (m->cl == MODE_FLOAT || m->cl == MODE_DECIMAL_FLOAT)
+ ? SET : UNSET);
m->ncomponents = 1;
m->component = 0;
/* Complex modes should have a component indicated, but no more. */
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, UNSET);
- if (m->component->bitsize != (unsigned int)-1)
- m->bitsize = m->ncomponents * m->component->bitsize;
+ 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;
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__)
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 = modes[class]; m; m = m->next)
+
+ for (m = modes[cl]; m; m = m->next)
{
/* 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)
/* Float complex modes are named SCmode, etc.
Int complex modes are named CSImode, etc.
This inconsistency should be eliminated. */
- if (class == MODE_FLOAT)
+ if (cl == MODE_FLOAT)
{
- char *p;
+ char *p, *q = 0;
strncpy (buf, m->name, sizeof buf);
p = strchr (buf, 'F');
if (p == 0)
+ q = strchr (buf, 'D');
+ if (p == 0 && q == 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);
continue;
}
- *p = 'C';
+ if (p != 0)
+ *p = 'C';
+ else
+ snprintf (buf, sizeof buf, "C%s", m->name);
}
else
snprintf (buf, sizeof buf, "C%s", m->name);
}
}
-/* 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,
+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 = 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)
#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 INT_MODE(N, Y) FRACTIONAL_INT_MODE (N, -1, 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_int_mode (const char *name,
- unsigned int bitsize, unsigned int bytesize,
+ 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->bitsize = bitsize;
+ 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 (cl, name, file, line);
+ m->bytesize = bytesize;
+ m->ibit = ibit;
+ m->fbit = fbit;
}
-#define FLOAT_MODE(N, Y, F) FRACTIONAL_FLOAT_MODE (N, -1, Y, F)
+#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 bitsize, unsigned int bytesize,
+ 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->bitsize = bitsize;
+ 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;
}
error ("%s:%d: no mode \"%s\"", file, line, name);
return;
}
- if (m->class != MODE_FLOAT)
+ if (m->cl != MODE_FLOAT && m->cl != MODE_DECIMAL_FLOAT)
{
- error ("%s:%d: mode \"%s\" is not class FLOAT", file, line, name);
+ error ("%s:%d: mode \"%s\" is not a FLOAT class", file, line, name);
return;
}
m->format = format;
/* 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__)
+ make_partial_integer_mode (#M, "P" #M, -1U, __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;
error ("%s:%d: no mode \"%s\"", file, line, name);
return;
}
- if (component->class != MODE_INT)
+ 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;
}
error ("%s:%d: no mode \"%s\"", file, line, base);
return;
}
- if (component->class != bclass)
+ 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);
ncomponents, base) >= sizeof namebuf)
{
error ("%s:%d: mode name \"%s\" is too long",
- base, file, line);
+ file, line, base);
return;
}
}
/* Adjustability. */
-#define _ADD_ADJUST(A, M, X, C) \
- new_adjust (#M, &adj_##A, #A, #X, MODE_##C, __FILE__, __LINE__)
+#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)
-#define ADJUST_ALIGNMENT(M, X) _ADD_ADJUST(alignment, M, X, RANDOM)
-#define ADJUST_FLOAT_FORMAT(M, X) _ADD_ADJUST(format, M, X, FLOAT)
+#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 void
create_modes (void)
/* 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;
/* Allocate max_n_modes + 1 entries to leave room for the extra null
pointer assigned after the qsort call below. */
- sortbuf = alloca ((max_n_modes + 1) * sizeof (struct mode_data *));
+ sortbuf = (struct mode_data **) alloca ((max_n_modes + 1) * sizeof (struct mode_data *));
for (c = 0; c < MAX_MODE_CLASS; c++)
{
for (prev = 0, m = modes[c]; m; m = next)
{
m->wider = void_mode;
+ m->wider_2x = void_mode;
/* this is nreverse */
next = m->next;
/* 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)
static void
emit_insn_modes_h (void)
{
- enum mode_class c;
+ int c;
struct mode_data *m, *first, *last;
printf ("/* Generated automatically from machmode.def%s%s\n",
for (c = 0; c < MAX_MODE_CLASS; c++)
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);
}
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)
first = first->next;
if (first && last)
#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");
puts ("\
\n\
#endif /* insn-modes.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_maybe_const_decl ("%sunsigned char", "mode_size",
static void
emit_mode_nunits (void)
{
- enum mode_class c;
+ int c;
struct mode_data *m;
print_decl ("unsigned char", "mode_nunits", "NUM_MACHINE_MODES");
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;
+ }
+
+ 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",
: ((unsigned HOST_WIDE_INT) 1 << (m)) - 1\n");
for_all_modes (c, m)
- if (m->bitsize != (unsigned int)-1)
- tagged_printf ("MODE_MASK (%u)", m->bitsize, m->name);
+ if (m->precision != (unsigned int)-1)
+ tagged_printf ("MODE_MASK (%u)", m->precision, m->name);
else
tagged_printf ("MODE_MASK (%u*BITS_PER_UNIT)", m->bytesize, m->name);
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");
static void
emit_mode_base_align (void)
{
- enum mode_class c;
+ int c;
struct mode_data *m;
print_maybe_const_decl ("%sunsigned char",
static void
emit_class_narrowest_mode (void)
{
- enum mode_class c;
+ int c;
print_decl ("unsigned char", "class_narrowest_mode", "MAX_MODE_CLASS");
/* Bleah, all this to get the comment right for MIN_MODE_INT. */
tagged_printf ("MIN_%s", mode_class_names[c],
modes[c]
- ? (modes[c]->bitsize != 1
+ ? (modes[c]->precision != 1
? modes[c]->name
: (modes[c]->next
? modes[c]->next->name
format);
#else
print_decl ("struct real_format *\n", "real_format_for_mode",
- "MAX_MODE_FLOAT - MIN_MODE_FLOAT + 1");
+ "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 ();
}
for (m = a->mode->contained; m; m = m->next_cont)
{
- switch (m->class)
+ switch (m->cl)
{
case MODE_COMPLEX_INT:
case MODE_COMPLEX_FLOAT:
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",
for (m = a->mode->contained; m; m = m->next_cont)
{
- switch (m->class)
+ switch (m->cl)
{
case MODE_COMPLEX_INT:
case MODE_COMPLEX_FLOAT:
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;
}
}
}
+
+ /* 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)
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 ();
+}
+
+
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_nunits ();
emit_mode_wider ();
emit_class_narrowest_mode ();
emit_real_format_for_mode ();
emit_mode_adjustments ();
+ emit_mode_ibit ();
+ emit_mode_fbit ();
}
static void
/* Master control. */
int
-main(int argc, char **argv)
+main (int argc, char **argv)
{
bool gen_header = false, gen_min = false;
progname = argv[0];
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