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streamer-hooks.h (struct streamer_hooks): Add hooks input_location and output_location.

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2011-10-12  Gabriel Charette  <gchare@google.com>
	    Diego Novillo  <dnovillo@google.com>

	* streamer-hooks.h (struct streamer_hooks): Add hooks
	input_location and output_location.
	* lto-streamer-in.c (lto_input_location): Use
	streamer_hooks.input_location, if set.
	* lto-streamer-out.c (lto_output_location): Use
	streamer_hooks.output_location, if set.

Co-Authored-By: Diego Novillo <dnovillo@google.com>

From-SVN: r179927
This commit is contained in:
Gabriel Charette 2011-10-13 15:40:29 +00:00 committed by Diego Novillo
parent d8228b3034
commit a22286c349
4 changed files with 43 additions and 8 deletions
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10
gcc/ChangeLog
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@ -1,3 +1,13 @@
2011-10-13 Gabriel Charette <gchare@google.com>
Diego Novillo <dnovillo@google.com>
* streamer-hooks.h (struct streamer_hooks): Add hooks
input_location and output_location.
* lto-streamer-in.c (lto_input_location): Use
streamer_hooks.input_location, if set.
* lto-streamer-out.c (lto_output_location): Use
streamer_hooks.output_location, if set.
2011-10-13 Richard Guenther <rguenther@suse.de>
PR tree-optimization/50712

17
gcc/lto-streamer-in.c
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@ -50,6 +50,7 @@ along with GCC; see the file COPYING3. If not see
#include "lto-streamer.h"
#include "tree-streamer.h"
#include "tree-pass.h"
#include "streamer-hooks.h"
/* The table to hold the file names. */
static htab_t file_name_hash_table;
@ -180,15 +181,23 @@ lto_input_location_bitpack (struct data_in *data_in, struct bitpack_d *bp)
}
/* Read a location from input block IB. */
/* Read a location from input block IB.
If the input_location streamer hook exists, call it.
Otherwise, proceed with reading the location from the
expanded location bitpack. */
location_t
lto_input_location (struct lto_input_block *ib, struct data_in *data_in)
{
struct bitpack_d bp;
if (streamer_hooks.input_location)
return streamer_hooks.input_location (ib, data_in);
else
{
struct bitpack_d bp;
bp = streamer_read_bitpack (ib);
return lto_input_location_bitpack (data_in, &bp);
bp = streamer_read_bitpack (ib);
return lto_input_location_bitpack (data_in, &bp);
}
}

14
gcc/lto-streamer-out.c
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@ -172,15 +172,21 @@ lto_output_location_bitpack (struct bitpack_d *bp,
/* Emit location LOC to output block OB.
When bitpack is handy, it is more space effecient to call
If the output_location streamer hook exists, call it.
Otherwise, when bitpack is handy, it is more space efficient to call
lto_output_location_bitpack with existing bitpack. */
void
lto_output_location (struct output_block *ob, location_t loc)
{
struct bitpack_d bp = bitpack_create (ob->main_stream);
lto_output_location_bitpack (&bp, ob, loc);
streamer_write_bitpack (&bp);
if (streamer_hooks.output_location)
streamer_hooks.output_location (ob, loc);
else
{
struct bitpack_d bp = bitpack_create (ob->main_stream);
lto_output_location_bitpack (&bp, ob, loc);
streamer_write_bitpack (&bp);
}
}

10
gcc/streamer-hooks.h
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@ -51,6 +51,16 @@ struct streamer_hooks {
and descriptors needed by the unpickling routines. It returns the
tree instantiated from the stream. */
tree (*read_tree) (struct lto_input_block *, struct data_in *);
/* [OPT] Called by lto_input_location to retrieve the source location of the
tree currently being read. If this hook returns NULL, lto_input_location
defaults to calling lto_input_location_bitpack. */
location_t (*input_location) (struct lto_input_block *, struct data_in *);
/* [OPT] Called by lto_output_location to write the source_location of the
tree currently being written. If this hook returns NULL,
lto_output_location defaults to calling lto_output_location_bitpack. */
void (*output_location) (struct output_block *, location_t);
};
#define stream_write_tree(OB, EXPR, REF_P) \