sparseset.cc File Reference

#include "config.h"
#include "system.h"
#include "sparseset.h"

Include dependency graph for sparseset.cc:

Functions
sparseset	sparseset_alloc (SPARSESET_ELT_TYPE n_elms)
static void	sparseset_swap (sparseset s, SPARSESET_ELT_TYPE idx1, SPARSESET_ELT_TYPE idx2)
void	sparseset_clear_bit (sparseset s, SPARSESET_ELT_TYPE e)
void	sparseset_copy (sparseset d, sparseset s)
void	sparseset_and (sparseset d, sparseset a, sparseset b)
void	sparseset_and_compl (sparseset d, sparseset a, sparseset b)
void	sparseset_ior (sparseset d, sparseset a, sparseset b)
bool	sparseset_equal_p (sparseset a, sparseset b)

Function Documentation

sparseset_alloc()

sparseset sparseset_alloc

(

SPARSESET_ELT_TYPE

n_elms

)

SparseSet implementation.
   Copyright (C) 2007-2024 Free Software Foundation, Inc.
   Contributed by Peter Bergner <bergner@vnet.ibm.com>

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 3, or (at your option) any later
version.

GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.

You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3.  If not see
<http://www.gnu.org/licenses/>.   

Allocate and clear a n_elms SparseSet.   

References ggc_alloc(), sparseset_clear(), SPARSESET_ELT_TYPE, and VALGRIND_DISCARD.

Referenced by build_conflict_bit_table(), init_live_reload_and_inheritance_pseudos(), init_lives(), ira_create_allocno_live_ranges(), ira_flattening(), and lra_create_live_ranges_1().

sparseset_and()

void sparseset_and	(	sparseset	d,
		sparseset	a,
		sparseset	b )

Operation: D = A & B.
Restrictions: none.   

References a, b, EXECUTE_IF_SET_IN_SPARSESET, ggc_alloc(), sparseset_bit_p(), sparseset_cardinality(), sparseset_clear(), sparseset_clear_bit(), sparseset_copy(), SPARSESET_ELT_TYPE, and sparseset_set_bit().

sparseset_and_compl()

void sparseset_and_compl	(	sparseset	d,
		sparseset	a,
		sparseset	b )

Operation: D = A & ~B.
Restrictions: D != B, unless D == A == B.   

References a, b, EXECUTE_IF_SET_IN_SPARSESET, gcc_assert, sparseset_bit_p(), sparseset_cardinality(), sparseset_clear(), sparseset_clear_bit(), SPARSESET_ELT_TYPE, and sparseset_set_bit().

Referenced by process_bb_lives().

sparseset_clear_bit()

void sparseset_clear_bit	(	sparseset	s,
		SPARSESET_ELT_TYPE	e )

Operation: S = S - {e}
Delete e from the set S if it is a member of S.   

References sparseset_def::dense, sparseset_def::iter, sparseset_def::iter_inc, sparseset_def::iterating, sparseset_def::members, sparseset_def::sparse, sparseset_bit_p(), SPARSESET_ELT_TYPE, sparseset_insert_bit(), and sparseset_swap().

Referenced by build_conflict_bit_table(), check_pseudos_live_through_calls(), clear_sparseset_regnos(), find_hard_regno_for_1(), ira_flattening(), make_object_dead(), mark_pseudo_dead(), process_bb_lives(), sparseset_and(), and sparseset_and_compl().

sparseset_copy()

void sparseset_copy	(	sparseset	d,
		sparseset	s )

Operation: D = S
Restrictions: none.   

References sparseset_def::dense, i, sparseset_def::members, sparseset_clear(), SPARSESET_ELT_TYPE, and sparseset_insert_bit().

Referenced by process_bb_lives(), sparseset_and(), and sparseset_ior().

sparseset_equal_p()

bool sparseset_equal_p	(	sparseset	a,
		sparseset	b )

Operation: A == B
Restrictions: none.   

References a, b, EXECUTE_IF_SET_IN_SPARSESET, sparseset_bit_p(), sparseset_cardinality(), and SPARSESET_ELT_TYPE.

sparseset_ior()

void sparseset_ior	(	sparseset	d,
		sparseset	a,
		sparseset	b )

Operation: D = A | B.
Restrictions: none.   

References a, b, EXECUTE_IF_SET_IN_SPARSESET, sparseset_copy(), SPARSESET_ELT_TYPE, and sparseset_set_bit().

Referenced by process_bb_lives().

sparseset_swap()

static void sparseset_swap ( sparseset s, SPARSESET_ELT_TYPE idx1, SPARSESET_ELT_TYPE idx2 )

inlinestatic

Low level routine not meant for use outside of sparseset.[ch].
Assumes idx1 < s->members and idx2 < s->members.   

References sparseset_def::dense, ggc_alloc(), SPARSESET_ELT_TYPE, and sparseset_insert_bit().

Referenced by sparseset_clear_bit().