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riscv-gcc-1
Commit 37783865 by Zack Weinberg
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genmodes.c: Change the word "bitsize" to "precision" throughout. 

	* genmodes.c: Change the word "bitsize" to "precision" throughout.
	* machmode.def: Likewise.
	* machmode.h (GET_MODE_SIZE): Cast value to unsigned short.
	(GET_MODE_BITSIZE): Define as GET_MODE_SIZE * BITS_PER_UNIT.
	(GET_MODE_PRECISION): New macro.
	(mode_bitsize): Renamed mode_precision.
	* stor-layout.c (mode_for_size, smallest_mode_for_size):
	Use GET_MODE_PRECISION; clarify comments.
ada:
	* misc.c (fp_prec_to_size, fp_size_to_prec): Use GET_MODE_PRECISION
	and update for changed meaning of GET_MODE_BITSIZE.

From-SVN: r73295
parent 6c748c6c
Showing with 73 additions and 57 deletions
gcc/ChangeLog
2003-11-06 Zack Weinberg <zack@codesourcery.com>
* genmodes.c: Change the word "bitsize" to "precision" throughout.
* machmode.def: Likewise.
* machmode.h (GET_MODE_SIZE): Cast value to unsigned short.
(GET_MODE_BITSIZE): Define as GET_MODE_SIZE * BITS_PER_UNIT.
(GET_MODE_PRECISION): New macro.
(mode_bitsize): Renamed mode_precision.
* stor-layout.c (mode_for_size, smallest_mode_for_size):
Use GET_MODE_PRECISION; clarify comments.
2003-11-05 Joseph S. Myers <jsm@polyomino.org.uk>
* doc/install-old.texi: Remove old documentation of building
......
gcc/ada/ChangeLog
2003-11-06 Zack Weinberg <zack@codesourcery.com>
* misc.c (fp_prec_to_size, fp_size_to_prec): Use GET_MODE_PRECISION
and update for changed meaning of GET_MODE_BITSIZE.
2003-11-04 Doug Rupp <rupp@gnat.com>
* sysdep.c: Problem discovered during IA64 VMS port.
......
gcc/ada/misc.c
......@@ -973,8 +973,8 @@ fp_prec_to_size (int prec)
for (mode = GET_CLASS_NARROWEST_MODE (MODE_FLOAT); mode != VOIDmode;
mode = GET_MODE_WIDER_MODE (mode))
if (GET_MODE_BITSIZE (mode) == prec)
return GET_MODE_SIZE (mode) * BITS_PER_UNIT;
if (GET_MODE_PRECISION (mode) == prec)
return GET_MODE_BITSIZE (mode);
abort ();
}
......@@ -986,8 +986,8 @@ fp_size_to_prec (int size)
for (mode = GET_CLASS_NARROWEST_MODE (MODE_FLOAT); mode != VOIDmode;
mode = GET_MODE_WIDER_MODE (mode))
if (GET_MODE_SIZE (mode) * BITS_PER_UNIT == size)
return GET_MODE_BITSIZE (mode);
if (GET_MODE_BITSIZE (mode) == size)
return GET_MODE_PRECISION (mode);
abort ();
}
......
gcc/genmodes.c
......@@ -56,7 +56,7 @@ struct mode_data
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 */
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 */
......@@ -262,13 +262,13 @@ enum requirement { SET, UNSET, OPTIONAL };
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);
......@@ -304,7 +304,7 @@ complete_mode (struct mode_data *m)
validate_mode (m, UNSET, UNSET, UNSET, UNSET, UNSET);
m->bitsize = 0;
m->precision = 0;
m->bytesize = 0;
m->ncomponents = 0;
m->component = 0;
......@@ -349,8 +349,8 @@ complete_mode (struct mode_data *m)
/* 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;
......@@ -358,8 +358,8 @@ complete_mode (struct mode_data *m)
case MODE_VECTOR_FLOAT:
/* 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;
......@@ -413,7 +413,7 @@ make_complex_modes (enum mode_class class,
for (m = modes[class]; 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)
......@@ -479,7 +479,7 @@ make_vector_modes (enum mode_class class, unsigned int width,
not be necessary. */
if (class == MODE_FLOAT && m->bytesize == 1)
continue;
if (class == MODE_INT && m->bitsize == 1)
if (class == MODE_INT && m->precision == 1)
continue;
if ((size_t)snprintf (buf, sizeof buf, "V%u%s", ncomponents, m->name)
......@@ -515,12 +515,12 @@ make_special_mode (enum mode_class class, const char *name,
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 FLOAT_MODE(N, Y, F) FRACTIONAL_FLOAT_MODE (N, -1, Y, F)
......@@ -529,13 +529,13 @@ make_int_mode (const char *name,
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;
}
......@@ -565,7 +565,7 @@ reset_float_format (const char *name, const char *format,
make_partial_integer_mode (#M, "P" #M, -1, __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;
......@@ -582,7 +582,7 @@ make_partial_integer_mode (const char *base, const char *name,
}
m = new_mode (MODE_PARTIAL_INT, name, file, line);
m->bitsize = bitsize;
m->precision = precision;
m->component = component;
}
......@@ -645,18 +645,18 @@ 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)
{
......@@ -668,9 +668,9 @@ cmp_modes (const void *a, const void *b)
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)
......@@ -681,9 +681,9 @@ cmp_modes (const void *a, const void *b)
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;
......@@ -802,7 +802,7 @@ enum 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->bitsize == 1)
if (first && first->precision == 1)
first = first->next;
if (first && last)
......@@ -892,16 +892,16 @@ emit_mode_class (void)
}
static void
emit_mode_bitsize (void)
emit_mode_precision (void)
{
enum mode_class 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);
......@@ -968,8 +968,8 @@ emit_mode_mask (void)
: ((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);
......@@ -1020,7 +1020,7 @@ emit_class_narrowest_mode (void)
/* 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
......@@ -1156,7 +1156,7 @@ 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 ();
......
gcc/machmode.def
......@@ -47,7 +47,7 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
A MODE argument must be the printable name of a machine mode,
without quotation marks or trailing "mode". For instance, SI.
A BITSIZE, BYTESIZE, or COUNT argument must be a positive integer
A PRECISION, BYTESIZE, or COUNT argument must be a positive integer
constant.
A FORMAT argument must be one of the real_mode_format structures
......@@ -78,18 +78,18 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
declares MODE to be of class INT and BYTESIZE bytes wide.
All of the bits of its representation are significant.
FRACTIONAL_INT_MODE (MODE, BITSIZE, BYTESIZE);
FRACTIONAL_INT_MODE (MODE, PRECISION, BYTESIZE);
declares MODE to be of class INT, BYTESIZE bytes wide in
storage, but with only BITSIZE significant bits.
storage, but with only PRECISION significant bits.
FLOAT_MODE (MODE, BYTESIZE, FORMAT);
declares MODE to be of class FLOAT and BYTESIZE bytes wide,
using floating point format FORMAT.
All of the bits of its representation are significant.
FRACTIONAL_FLOAT_MODE (MODE, BITSIZE, BYTESIZE, FORMAT);
FRACTIONAL_FLOAT_MODE (MODE, PRECISION, BYTESIZE, FORMAT);
declares MODE to be of class FLOAT, BYTESIZE bytes wide in
storage, but with only BITSIZE significant bits, using
storage, but with only PRECISION significant bits, using
floating point format FORMAT.
RESET_FLOAT_FORMAT (MODE, FORMAT);
......@@ -101,7 +101,7 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
declares a mode of class PARTIAL_INT with the same size as
MODE (which must be an INT mode). The name of the new mode
is made by prefixing a P to the name MODE. This statement
may grow a BITSIZE argument in the future.
may grow a PRECISION argument in the future.
VECTOR_MODE (CLASS, MODE, COUNT);
Declare a vector mode whose component mode is MODE (of class
......
gcc/machmode.h
......@@ -76,15 +76,15 @@ extern const unsigned char mode_class[NUM_MACHINE_MODES];
#define SCALAR_FLOAT_MODE_P(MODE) \
(GET_MODE_CLASS (MODE) == MODE_FLOAT)
/* Get the size in bytes of an object of mode MODE. */
/* Get the size in bytes and bits of an object of mode MODE. */
extern CONST_MODE_SIZE unsigned char mode_size[NUM_MACHINE_MODES];
#define GET_MODE_SIZE(MODE) mode_size[MODE]
#define GET_MODE_SIZE(MODE) ((unsigned short) mode_size[MODE])
#define GET_MODE_BITSIZE(MODE) ((unsigned short) (GET_MODE_SIZE (MODE) * BITS_PER_UNIT))
/* Get the size in bits of an object of mode MODE. */
extern const unsigned short mode_bitsize[NUM_MACHINE_MODES];
#define GET_MODE_BITSIZE(MODE) mode_bitsize[MODE]
/* Get the number of value bits of an object of mode MODE. */
extern const unsigned short mode_precision[NUM_MACHINE_MODES];
#define GET_MODE_PRECISION(MODE) mode_precision[MODE]
/* Get a bitmask containing 1 for all bits in a word
that fit within mode MODE. */
......
gcc/stor-layout.c
......@@ -203,10 +203,10 @@ variable_size (tree size)
#define MAX_FIXED_MODE_SIZE GET_MODE_BITSIZE (DImode)
#endif
/* Return the machine mode to use for a nonscalar of SIZE bits.
The mode must be in class CLASS, and have exactly that many bits.
If LIMIT is nonzero, modes of wider than MAX_FIXED_MODE_SIZE will not
be used. */
/* Return the machine mode to use for a nonscalar of SIZE bits. The
mode must be in class CLASS, and have exactly that many value bits;
it may have padding as well. If LIMIT is nonzero, modes of wider
than MAX_FIXED_MODE_SIZE will not be used. */
enum machine_mode
mode_for_size (unsigned int size, enum mode_class class, int limit)
......@@ -219,7 +219,7 @@ mode_for_size (unsigned int size, enum mode_class class, int limit)
/* Get the first mode which has this size, in the specified class. */
for (mode = GET_CLASS_NARROWEST_MODE (class); mode != VOIDmode;
mode = GET_MODE_WIDER_MODE (mode))
if (GET_MODE_BITSIZE (mode) == size)
if (GET_MODE_PRECISION (mode) == size)
return mode;
return BLKmode;
......@@ -242,7 +242,7 @@ mode_for_size_tree (tree size, enum mode_class class, int limit)
}
/* Similar, but never return BLKmode; return the narrowest mode that
contains at least the requested number of bits. */
contains at least the requested number of value bits. */
enum machine_mode
smallest_mode_for_size (unsigned int size, enum mode_class class)
......@@ -253,7 +253,7 @@ smallest_mode_for_size (unsigned int size, enum mode_class class)
specified class. */
for (mode = GET_CLASS_NARROWEST_MODE (class); mode != VOIDmode;
mode = GET_MODE_WIDER_MODE (mode))
if (GET_MODE_BITSIZE (mode) >= size)
if (GET_MODE_PRECISION (mode) >= size)
return mode;
abort ();
......
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