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genmodes.c (emit_mode_unit_size_inline): New function. 

2015-08-19  David Sherwood  <david.sherwood@arm.com>

    gcc/
	* genmodes.c (emit_mode_unit_size_inline): New function.
	(emit_mode_unit_precision_inline): New function.
	(emit_insn_modes_h): Emit new #define.  Emit new functions.
	(emit_mode_unit_size): New function.
	(emit_mode_unit_precision): New function.
	(emit_mode_adjustments): Add mode_unit_size adjustments.
	(emit_insn_modes_c): Emit new arrays.
	* machmode.h (GET_MODE_UNIT_SIZE, GET_MODE_UNIT_PRECISION): Update to
	use new inline methods.

From-SVN: r227013
This commit is contained in:
David Sherwood 2015-08-19 15:23:11 +00:00 committed by David Sherwood
parent 8d55c61ba8
commit 8dc89e4d7e
3 changed files with 152 additions and 2 deletions
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12
gcc/ChangeLog
View File

@ -1,3 +1,15 @@
2015-08-19 David Sherwood <david.sherwood@arm.com>
* genmodes.c (emit_mode_unit_size_inline): New function.
(emit_mode_unit_precision_inline): New function.
(emit_insn_modes_h): Emit new #define. Emit new functions.
(emit_mode_unit_size): New function.
(emit_mode_unit_precision): New function.
(emit_mode_adjustments): Add mode_unit_size adjustments.
(emit_insn_modes_c): Emit new arrays.
* machmode.h (GET_MODE_UNIT_SIZE, GET_MODE_UNIT_PRECISION): Update to
use new inline methods.
2015-08-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
* config/aarch64/aarch64.c (bit_count): Delete prototype

122
gcc/genmodes.c
View File

@ -1047,6 +1047,79 @@ mode_inner_inline (machine_mode mode)\n\
}\n");
}
/* Emit mode_unit_size_inline routine into insn-modes.h header. */
static void
emit_mode_unit_size_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_unit_size_inline (machine_mode mode)\n\
{\n\
extern unsigned char mode_unit_size[NUM_MACHINE_MODES];\n\
switch (mode)\n\
{");
for_all_modes (c, m)
{
const char *name = m->name;
struct mode_data *m2 = m;
if (c != MODE_PARTIAL_INT && m2->component)
m2 = m2->component;
if (!m2->need_bytesize_adj)
printf (" case %smode: return %u;\n", name, m2->bytesize);
}
puts ("\
default: return mode_unit_size[mode];\n\
}\n\
}\n");
}
/* Emit mode_unit_precision_inline routine into insn-modes.h header. */
static void
emit_mode_unit_precision_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 short\n\
mode_unit_precision_inline (machine_mode mode)\n\
{\n\
extern const unsigned short mode_unit_precision[NUM_MACHINE_MODES];\n\
switch (mode)\n\
{");
for_all_modes (c, m)
{
struct mode_data *m2
= (c != MODE_PARTIAL_INT && m->component) ? m->component : m;
if (m2->precision != (unsigned int)-1)
printf (" case %smode: return %u;\n", m->name, m2->precision);
else
printf (" case %smode: return %u*BITS_PER_UNIT;\n",
m->name, m2->bytesize);
}
puts ("\
default: return mode_unit_precision[mode];\n\
}\n\
}\n");
}
static void
emit_insn_modes_h (void)
{
@ -1107,6 +1180,7 @@ enum machine_mode\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_UNIT_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");
@ -1125,6 +1199,8 @@ enum machine_mode\n{");
emit_mode_size_inline ();
emit_mode_nunits_inline ();
emit_mode_inner_inline ();
emit_mode_unit_size_inline ();
emit_mode_unit_precision_inline ();
puts ("#endif /* GCC_VERSION >= 4001 */");
puts ("\
@ -1344,6 +1420,47 @@ emit_mode_inner (void)
print_closer ();
}
/* Emit mode_unit_size array into insn-modes.c file. */
static void
emit_mode_unit_size (void)
{
int c;
struct mode_data *m;
print_maybe_const_decl ("%sunsigned char", "mode_unit_size",
"NUM_MACHINE_MODES", bytesize);
for_all_modes (c, m)
tagged_printf ("%u",
c != MODE_PARTIAL_INT && m->component
? m->component->bytesize : m->bytesize, m->name);
print_closer ();
}
/* Emit mode_unit_precision array into insn-modes.c file. */
static void
emit_mode_unit_precision (void)
{
int c;
struct mode_data *m;
print_decl ("unsigned short", "mode_unit_precision", "NUM_MACHINE_MODES");
for_all_modes (c, m)
{
struct mode_data *m2 = (c != MODE_PARTIAL_INT && m->component) ?
m->component : m;
if (m2->precision != (unsigned int)-1)
tagged_printf ("%u", m2->precision, m->name);
else
tagged_printf ("%u*BITS_PER_UNIT", m2->bytesize, m->name);
}
print_closer ();
}
static void
emit_mode_base_align (void)
{
@ -1439,6 +1556,7 @@ emit_mode_adjustments (void)
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_unit_size[%smode] = s;\n", a->mode->name);
printf (" mode_base_align[%smode] = s & (~s + 1);\n",
a->mode->name);
@ -1449,6 +1567,7 @@ emit_mode_adjustments (void)
case MODE_COMPLEX_INT:
case MODE_COMPLEX_FLOAT:
printf (" mode_size[%smode] = 2*s;\n", m->name);
printf (" mode_unit_size[%smode] = s;\n", m->name);
printf (" mode_base_align[%smode] = s & (~s + 1);\n",
m->name);
break;
@ -1461,6 +1580,7 @@ emit_mode_adjustments (void)
case MODE_VECTOR_UACCUM:
printf (" mode_size[%smode] = %d*s;\n",
m->name, m->ncomponents);
printf (" mode_unit_size[%smode] = s;\n", m->name);
printf (" mode_base_align[%smode] = (%d*s) & (~(%d*s)+1);\n",
m->name, m->ncomponents, m->ncomponents);
break;
@ -1626,6 +1746,8 @@ emit_insn_modes_c (void)
emit_mode_wider ();
emit_mode_mask ();
emit_mode_inner ();
emit_mode_unit_size ();
emit_mode_unit_precision ();
emit_mode_base_align ();
emit_class_narrowest_mode ();
emit_real_format_for_mode ();

20
gcc/machmode.h
View File

@ -225,12 +225,28 @@ extern const unsigned char mode_inner[NUM_MACHINE_MODES];
/* Get the size in bytes or bits of the basic parts of an
object of mode MODE. */
#define GET_MODE_UNIT_SIZE(MODE) GET_MODE_SIZE (GET_MODE_INNER (MODE))
extern CONST_MODE_UNIT_SIZE unsigned char mode_unit_size[NUM_MACHINE_MODES];
#if GCC_VERSION >= 4001
#define GET_MODE_UNIT_SIZE(MODE) \
((unsigned char) (__builtin_constant_p (MODE) \
? mode_unit_size_inline (MODE) : mode_unit_size[MODE]))
#else
#define GET_MODE_UNIT_SIZE(MODE) mode_unit_size[MODE]
#endif
#define GET_MODE_UNIT_BITSIZE(MODE) \
((unsigned short) (GET_MODE_UNIT_SIZE (MODE) * BITS_PER_UNIT))
#define GET_MODE_UNIT_PRECISION(MODE) GET_MODE_PRECISION (GET_MODE_INNER (MODE))
extern const unsigned short mode_unit_precision[NUM_MACHINE_MODES];
#if GCC_VERSION >= 4001
#define GET_MODE_UNIT_PRECISION(MODE) \
((unsigned short) (__builtin_constant_p (MODE) \
? mode_unit_precision_inline (MODE)\
: mode_unit_precision[MODE]))
#else
#define GET_MODE_UNIT_PRECISION(MODE) mode_unit_precision[MODE]
#endif
/* Get the number of units in the object. */