predefined_function_abi Class Reference

#include <function-abi.h>

Public Member Functions
unsigned int	id () const
bool	initialized_p () const
bool	clobbers_full_reg_p (unsigned int regno) const
bool	clobbers_at_least_part_of_reg_p (unsigned int regno) const
bool	clobbers_reg_p (machine_mode mode, unsigned int regno) const
HARD_REG_SET	full_reg_clobbers () const
HARD_REG_SET	full_and_partial_reg_clobbers () const
HARD_REG_SET	mode_clobbers (machine_mode mode) const
void	initialize (unsigned int, const_hard_reg_set)
void	add_full_reg_clobber (unsigned int)

Private Attributes
unsigned int	m_id: NUM_ABI_IDS
unsigned int	m_initialized: 1
HARD_REG_SET	m_full_reg_clobbers
HARD_REG_SET	m_full_and_partial_reg_clobbers
HARD_REG_SET	m_mode_clobbers [NUM_MACHINE_MODES]

Detailed Description

Information about one of the target's predefined ABIs.   

Member Function Documentation

add_full_reg_clobber()

void predefined_function_abi::add_full_reg_clobber

(

unsigned int

regno

)

If the ABI has been initialized, add REGNO to the set of registers
that can be completely altered by a call.   

References i, m_full_and_partial_reg_clobbers, m_full_reg_clobbers, m_initialized, m_mode_clobbers, and SET_HARD_REG_BIT.

clobbers_at_least_part_of_reg_p()

bool predefined_function_abi::clobbers_at_least_part_of_reg_p ( unsigned int regno ) const

inline

References m_full_and_partial_reg_clobbers, and TEST_HARD_REG_BIT.

clobbers_full_reg_p()

bool predefined_function_abi::clobbers_full_reg_p ( unsigned int regno ) const

inline

References m_full_reg_clobbers, and TEST_HARD_REG_BIT.

Referenced by aggregate_value_p().

clobbers_reg_p()

bool predefined_function_abi::clobbers_reg_p ( machine_mode mode, unsigned int regno ) const

inline

References m_mode_clobbers, and overlaps_hard_reg_set_p().

Referenced by choose_hard_reg_mode().

full_and_partial_reg_clobbers()

HARD_REG_SET predefined_function_abi::full_and_partial_reg_clobbers ( ) const

inline

References m_full_and_partial_reg_clobbers.

full_reg_clobbers()

HARD_REG_SET predefined_function_abi::full_reg_clobbers ( ) const

inline

References m_full_reg_clobbers.

Referenced by initialize().

id()

unsigned int predefined_function_abi::id ( ) const

inline

References m_id.

Referenced by initialize().

initialize()

void predefined_function_abi::initialize	(	unsigned int	id,
		const_hard_reg_set	full_reg_clobbers )

Initialize a predefined function ABI with the given values of
ID and FULL_REG_CLOBBERS.   

References full_reg_clobbers(), gcc_assert, hard_regno_nregs(), i, id(), m_full_and_partial_reg_clobbers, m_full_reg_clobbers, m_id, m_initialized, m_mode_clobbers, overlaps_hard_reg_set_p(), remove_from_hard_reg_set(), SET_HARD_REG_BIT, and targetm.

initialized_p()

bool predefined_function_abi::initialized_p ( ) const

inline

References m_initialized.

mode_clobbers()

HARD_REG_SET predefined_function_abi::mode_clobbers ( machine_mode mode ) const

inline

References m_mode_clobbers.

Referenced by function_abi_aggregator::caller_save_regs().

Field Documentation

m_full_and_partial_reg_clobbers

HARD_REG_SET predefined_function_abi::m_full_and_partial_reg_clobbers

private

Referenced by add_full_reg_clobber(), clobbers_at_least_part_of_reg_p(), full_and_partial_reg_clobbers(), and initialize().

m_full_reg_clobbers

HARD_REG_SET predefined_function_abi::m_full_reg_clobbers

private

Referenced by add_full_reg_clobber(), clobbers_full_reg_p(), full_reg_clobbers(), and initialize().

m_id

unsigned int predefined_function_abi::m_id

private

Referenced by id(), and initialize().

m_initialized

unsigned int predefined_function_abi::m_initialized

private

Referenced by add_full_reg_clobber(), initialize(), and initialized_p().

m_mode_clobbers

HARD_REG_SET predefined_function_abi::m_mode_clobbers[NUM_MACHINE_MODES]

private

Referenced by add_full_reg_clobber(), clobbers_reg_p(), initialize(), and mode_clobbers().

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The documentation for this class was generated from the following files:

• function-abi.h
• function-abi.cc