/* Generate the machine mode enumeration and associated tables.
- Copyright (C) 2003
- Free Software Foundation, Inc.
+ Copyright (C) 2003-2014 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"
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 */
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 *modes[MAX_MODE_CLASS];
0, "<unknown>", MAX_MODE_CLASS,
-1U, -1U, -1U, -1U,
0, 0, 0, 0, 0,
- "<unknown>", 0
+ "<unknown>", 0, 0, 0, 0, false, 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
{
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[cl]);
return MODE_RANDOM;
const char *file, unsigned int line)
{
struct mode_data *m;
+ static unsigned int count = 0;
m = find_mode (name);
if (m)
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;
-
+
return 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->cl != 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;
}
-
+
for (a = *category; a; a = a->next)
if (a->mode == mode)
{
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. A float mode must have a
format. */
validate_mode (m, OPTIONAL, SET, UNSET, UNSET,
- m->cl == MODE_FLOAT ? SET : UNSET);
+ (m->cl == MODE_FLOAT || m->cl == MODE_DECIMAL_FLOAT)
+ ? SET : UNSET);
m->ncomponents = 1;
m->component = 0;
m->bytesize = m->component->bytesize;
m->ncomponents = 1;
- m->component = 0; /* ??? preserve this */
break;
case MODE_COMPLEX_INT:
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->precision != (unsigned int)-1)
break;
default:
- abort ();
+ gcc_unreachable ();
}
/* If not already specified, the mode alignment defaults to the largest
}
/* 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 cl,
const char *file, unsigned int line)
{
struct mode_data *m;
struct mode_data *c;
- char buf[8];
enum mode_class cclass = complex_class (cl);
if (cclass == MODE_RANDOM)
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->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. */
+ 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 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__)
+#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)
/* 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)
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 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__)
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, -1U, Y, F)
#define FRACTIONAL_FLOAT_MODE(N, B, Y, F) \
make_float_mode (#N, B, Y, #F, __FILE__, __LINE__)
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
error ("%s:%d: no mode \"%s\"", file, line, name);
return;
}
- if (m->cl != 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, -1U, __FILE__, __LINE__)
+/* __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 precision,
struct mode_data *v;
enum mode_class vclass = vector_class (bclass);
struct mode_data *component = find_mode (base);
- char namebuf[8];
+ char namebuf[16];
if (vclass == MODE_RANDOM)
return;
error ("%s:%d: no mode \"%s\"", file, line, base);
return;
}
- if (component->cl != 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 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. */
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;
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->precision < n->component->precision)
return -1;
- return 0;
+ if (m->counter < n->counter)
+ return -1;
+ else
+ return 1;
}
static void
/* Allocate max_n_modes + 1 entries to leave room for the extra null
pointer assigned after the qsort call below. */
- sortbuf = (struct mode_data **) alloca ((max_n_modes + 1) * sizeof (struct mode_data *));
+ sortbuf = XALLOCAVEC (struct mode_data *, max_n_modes + 1);
for (c = 0; c < MAX_MODE_CLASS; c++)
{
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;
+ }
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_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)
{
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 " : "",
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);
+ printf ("#define HAVE_%smode\n", m->name);
}
puts (" MAX_MACHINE_MODE,\n");
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->precision == 1)
+ if (first && first->precision == 1 && c == MODE_INT)
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");
+ 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 */");
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
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 ();
/* Bleah, all this to get the comment right for MIN_MODE_INT. */
tagged_printf ("MIN_%s", mode_class_names[c],
modes[c]
- ? (modes[c]->precision != 1
+ ? ((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 ();
}
or not the table itself is constant.
For backward compatibility this table is always writable
- (several targets modify it in OVERRIDE_OPTIONS). FIXME:
+ (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",
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 ();
}
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",
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)
printf ("\n /* %s:%d */\n REAL_MODE_FORMAT (%smode) = %s;\n",
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)
+ {
+ m = mode_sort[i];
+ mode_sort[i] = mode_sort[j];
+ mode_sort[j] = m;
+ }
+
+ 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_class_narrowest_mode ();
emit_real_format_for_mode ();
emit_mode_adjustments ();
+ emit_mode_ibit ();
+ emit_mode_fbit ();
+ emit_mode_int_n ();
}
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];
if (have_error)
return FATAL_EXIT_CODE;
-
+
calc_wider_mode ();
if (gen_header)
projects / gcc.git / blobdiff