/* Generic streaming support for various data types.
- Copyright 2011 Free Software Foundation, Inc.
+ Copyright (C) 2011-2021 Free Software Foundation, Inc.
Contributed by Diego Novillo <dnovillo@google.com>
This file is part of GCC.
#ifndef GCC_DATA_STREAMER_H
#define GCC_DATA_STREAMER_H
-#include "vec.h"
#include "lto-streamer.h"
/* Data structures used to pack values and bitflags into a vector of
static unsigned const BITS_PER_BITPACK_WORD = HOST_BITS_PER_WIDE_INT;
typedef unsigned HOST_WIDE_INT bitpack_word_t;
-DEF_VEC_I(bitpack_word_t);
-DEF_VEC_ALLOC_I(bitpack_word_t, heap);
struct bitpack_d
{
void *stream;
};
-
-/* String hashing. */
-struct string_slot
-{
- const char *s;
- int len;
- unsigned int slot_num;
-};
-
/* In data-streamer.c */
void bp_pack_var_len_unsigned (struct bitpack_d *, unsigned HOST_WIDE_INT);
void bp_pack_var_len_int (struct bitpack_d *, HOST_WIDE_INT);
void streamer_write_zero (struct output_block *);
void streamer_write_uhwi (struct output_block *, unsigned HOST_WIDE_INT);
void streamer_write_hwi (struct output_block *, HOST_WIDE_INT);
+void streamer_write_poly_uint64 (struct output_block *, poly_uint64);
+void streamer_write_poly_int64 (struct output_block *, poly_int64);
+void streamer_write_gcov_count (struct output_block *, gcov_type);
void streamer_write_string (struct output_block *, struct lto_output_stream *,
const char *, bool);
-unsigned streamer_string_index (struct output_block *, const char *,
- unsigned int, bool);
void streamer_write_string_with_length (struct output_block *,
struct lto_output_stream *,
const char *, unsigned int, bool);
void streamer_write_uhwi_stream (struct lto_output_stream *,
unsigned HOST_WIDE_INT);
void streamer_write_hwi_stream (struct lto_output_stream *, HOST_WIDE_INT);
+void streamer_write_gcov_count_stream (struct lto_output_stream *, gcov_type);
+void streamer_write_data_stream (struct lto_output_stream *, const void *,
+ size_t);
+void streamer_write_wide_int (struct output_block *, const wide_int &);
+void streamer_write_widest_int (struct output_block *, const widest_int &);
/* In data-streamer-in.c */
-const char *string_for_index (struct data_in *, unsigned int, unsigned int *);
-const char *streamer_read_string (struct data_in *, struct lto_input_block *);
-const char *streamer_read_indexed_string (struct data_in *,
- struct lto_input_block *,
+const char *streamer_read_string (class data_in *, class lto_input_block *);
+const char *streamer_read_indexed_string (class data_in *,
+ class lto_input_block *,
unsigned int *);
-const char *bp_unpack_indexed_string (struct data_in *, struct bitpack_d *,
+const char *bp_unpack_indexed_string (class data_in *, struct bitpack_d *,
unsigned int *);
-const char *bp_unpack_string (struct data_in *, struct bitpack_d *);
-unsigned HOST_WIDE_INT streamer_read_uhwi (struct lto_input_block *);
-HOST_WIDE_INT streamer_read_hwi (struct lto_input_block *);
-
-/* Returns a hash code for P. Adapted from libiberty's htab_hash_string
- to support strings that may not end in '\0'. */
-
-static inline hashval_t
-hash_string_slot_node (const void *p)
-{
- const struct string_slot *ds = (const struct string_slot *) p;
- hashval_t r = ds->len;
- int i;
-
- for (i = 0; i < ds->len; i++)
- r = r * 67 + (unsigned)ds->s[i] - 113;
- return r;
-}
-
-/* Returns nonzero if P1 and P2 are equal. */
-
-static inline int
-eq_string_slot_node (const void *p1, const void *p2)
-{
- const struct string_slot *ds1 = (const struct string_slot *) p1;
- const struct string_slot *ds2 = (const struct string_slot *) p2;
-
- if (ds1->len == ds2->len)
- return memcmp (ds1->s, ds2->s, ds1->len) == 0;
-
- return 0;
-}
+const char *bp_unpack_string (class data_in *, struct bitpack_d *);
+unsigned HOST_WIDE_INT streamer_read_uhwi (class lto_input_block *);
+HOST_WIDE_INT streamer_read_hwi (class lto_input_block *);
+poly_uint64 streamer_read_poly_uint64 (class lto_input_block *);
+poly_int64 streamer_read_poly_int64 (class lto_input_block *);
+gcov_type streamer_read_gcov_count (class lto_input_block *);
+wide_int streamer_read_wide_int (class lto_input_block *);
+widest_int streamer_read_widest_int (class lto_input_block *);
/* Returns a new bit-packing context for bit-packing into S. */
static inline struct bitpack_d
bp->pos = pos;
}
+/* Pack VAL into the bit-packing context BP, using NBITS for each
+ coefficient. */
+static inline void
+bp_pack_poly_value (struct bitpack_d *bp,
+ const poly_int<NUM_POLY_INT_COEFFS, bitpack_word_t> &val,
+ unsigned nbits)
+{
+ for (int i = 0; i < NUM_POLY_INT_COEFFS; ++i)
+ bp_pack_value (bp, val.coeffs[i], nbits);
+}
+
/* Finishes bit-packing of BP. */
static inline void
streamer_write_bitpack (struct bitpack_d *bp)
/* Returns a new bit-packing context for bit-unpacking from IB. */
static inline struct bitpack_d
-streamer_read_bitpack (struct lto_input_block *ib)
+streamer_read_bitpack (class lto_input_block *ib)
{
struct bitpack_d bp;
bp.word = streamer_read_uhwi (ib);
if (pos + nbits > BITS_PER_BITPACK_WORD)
{
bp->word = val
- = streamer_read_uhwi ((struct lto_input_block *)bp->stream);
+ = streamer_read_uhwi ((class lto_input_block *)bp->stream);
bp->pos = nbits;
return val & mask;
}
return val & mask;
}
+/* Unpacks a polynomial value from the bit-packing context BP in which each
+ coefficient has NBITS bits. */
+static inline poly_int<NUM_POLY_INT_COEFFS, bitpack_word_t>
+bp_unpack_poly_value (struct bitpack_d *bp, unsigned nbits)
+{
+ poly_int_pod<NUM_POLY_INT_COEFFS, bitpack_word_t> x;
+ for (int i = 0; i < NUM_POLY_INT_COEFFS; ++i)
+ x.coeffs[i] = bp_unpack_value (bp, nbits);
+ return x;
+}
+
/* Write a character to the output block. */
lto_append_block (obs);
/* Write the actual character. */
- *obs->current_pointer = c;
- obs->current_pointer++;
+ char *current_pointer = obs->current_pointer;
+ *(current_pointer++) = c;
+ obs->current_pointer = current_pointer;
obs->total_size++;
obs->left_in_block--;
}
/* Read byte from the input block. */
static inline unsigned char
-streamer_read_uchar (struct lto_input_block *ib)
+streamer_read_uchar (class lto_input_block *ib)
{
if (ib->p >= ib->len)
lto_section_overrun (ib);
&& range < 0x7fffffff);
val -= min;
- streamer_write_char_stream (obs, val & 255);
- if (range >= 0xff)
- streamer_write_char_stream (obs, (val >> 8) & 255);
- if (range >= 0xffff)
- streamer_write_char_stream (obs, (val >> 16) & 255);
- if (range >= 0xffffff)
- streamer_write_char_stream (obs, (val >> 24) & 255);
+ streamer_write_uhwi_stream (obs, (unsigned HOST_WIDE_INT) val);
}
/* Input VAL into OBS and verify it is in range MIN...MAX that is supposed
to be compile time constant. PURPOSE is used for error reporting. */
static inline HOST_WIDE_INT
-streamer_read_hwi_in_range (struct lto_input_block *ib,
+streamer_read_hwi_in_range (class lto_input_block *ib,
const char *purpose,
HOST_WIDE_INT min,
HOST_WIDE_INT max)
{
HOST_WIDE_INT range = max - min;
- HOST_WIDE_INT val = streamer_read_uchar (ib);
+ unsigned HOST_WIDE_INT uval = streamer_read_uhwi (ib);
gcc_checking_assert (range > 0 && range < 0x7fffffff);
- if (range >= 0xff)
- val |= ((HOST_WIDE_INT)streamer_read_uchar (ib)) << 8;
- if (range >= 0xffff)
- val |= ((HOST_WIDE_INT)streamer_read_uchar (ib)) << 16;
- if (range >= 0xffffff)
- val |= ((HOST_WIDE_INT)streamer_read_uchar (ib)) << 24;
- val += min;
+ HOST_WIDE_INT val = (HOST_WIDE_INT) (uval + (unsigned HOST_WIDE_INT) min);
if (val < min || val > max)
lto_value_range_error (purpose, val, min, max);
return val;
/* Return the next tag in the input block IB. */
static inline enum LTO_tags
-streamer_read_record_start (struct lto_input_block *ib)
+streamer_read_record_start (class lto_input_block *ib)
{
return streamer_read_enum (ib, LTO_tags, LTO_NUM_TAGS);
}
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