Floats Class Reference

#include <floats.hpp>

Inheritance diagram for Floats:

[legend]Collaboration diagram for Floats:


Public Types
	magic = 0xbadbabe0
	max_number_of_functions = 256
	zero
	one
	abs
	negated
	squared
	sqrt
	sin
	cos
	tan
	exp
	ln
	add
	subtract
	multiply
	divide
	modulo
	is_zero
	is_not_zero
	oopify
	is_equal
	is_not_equal
	is_less
	is_less_equal
	is_greater
	is_greater_equal
	number_of_functions
	undefined
	floatify
enum	Some_constants { magic = 0xbadbabe0, max_number_of_functions = 256 }
enum	Function { zero, one, abs, negated, squared, sqrt, sin, cos, tan, exp, ln, add, subtract, multiply, divide, modulo, is_zero, is_not_zero, oopify, is_equal, is_not_equal, is_less, is_less_equal, is_greater, is_greater_equal, number_of_functions, undefined, floatify }
Static Public Member Functions
static char *	function_name_for (Function f)
static bool	has_selector_for (Function f)
static symbolOop	selector_for (Function f)
static oop	magic_value ()
static bool	is_initialized ()
static void	init (MacroAssembler *masm)
static void	print ()
Static Public Attributes
static char *	_function_table [max_number_of_functions]
Static Private Member Functions
static void	generate_tst (MacroAssembler *masm, Assembler::Condition cc)
static void	generate_cmp (MacroAssembler *masm, Assembler::Condition cc)
static void	generate (MacroAssembler *masm, Function f)
Static Private Attributes
static bool	_is_initialized = false
static char *	_function_names []

Detailed Description

Definition at line 28 of file floats.hpp.

Member Enumeration Documentation

enum Floats::Function

Enumerator:

zero
one
abs
negated
squared
sqrt
sin
cos
tan
exp
ln
add
subtract
multiply
divide
modulo
is_zero
is_not_zero
oopify
is_equal
is_not_equal
is_less
is_less_equal
is_greater
is_greater_equal
number_of_functions
undefined
floatify

Definition at line 39 of file floats.hpp.

enum Floats::Some_constants

Enumerator:

magic
max_number_of_functions

Definition at line 30 of file floats.hpp.

Member Function Documentation

char * Floats::function_name_for ( Function f ) [static]

Definition at line 38 of file floats.cpp.

References _function_names, assert, and number_of_functions.

Referenced by generate(), generate_float_function_constant_method(), and print().

void Floats::generate	(	MacroAssembler *	masm,
		Function	f
	)			`[static, private]`

Definition at line 119 of file floats.cpp.

References _function_table, abs, add, Assembler::code(), cos, outputStream::cr(), divide, Assembler::equal, exp, Assembler::fabs(), Assembler::faddp(), Assembler::fchs(), Assembler::fdivp(), Assembler::fld1(), Assembler::fldz(), Assembler::fmul(), Assembler::fmulp(), Assembler::fprem(), Assembler::fsubp(), function_name_for(), Assembler::fxch(), generate_cmp(), generate_tst(), Assembler::greater, Assembler::greaterEqual, Assembler::hlt(), Assembler::int3(), is_equal, is_greater, is_greater_equal, is_less, is_less_equal, is_not_equal, is_not_zero, Disclaimer::is_product(), is_zero, Assembler::less, Assembler::lessEqual, ln, modulo, multiply, negated, Assembler::notEqual, Assembler::notZero, one, oopify, Assembler::pc(), outputStream::print(), Assembler::ret(), ShouldNotReachHere, sin, sqrt, squared, std, subtract, tan, Assembler::zero, and zero.

Referenced by init().

Here is the call graph for this function:

void Floats::generate_cmp	(	MacroAssembler *	masm,
		Assembler::Condition	cc
	)			`[static, private]`

Definition at line 103 of file floats.cpp.

References Assembler::bind(), eax, falseObj, Assembler::fcompp(), Assembler::fnstsw_ax(), MacroAssembler::fpu_mask_and_cond_for(), Assembler::fwait(), Assembler::jcc(), L, Assembler::movl(), Assembler::testl(), and trueObj.

Referenced by generate().

Here is the call graph for this function:

void Floats::generate_tst	(	MacroAssembler *	masm,
		Assembler::Condition	cc
	)			`[static, private]`

Definition at line 85 of file floats.cpp.

References Assembler::bind(), eax, falseObj, Assembler::fnstsw_ax(), MacroAssembler::fpop(), MacroAssembler::fpu_mask_and_cond_for(), Assembler::ftst(), Assembler::fwait(), Assembler::int3(), Assembler::jcc(), L, Assembler::movl(), Assembler::testl(), and trueObj.

Referenced by generate().

Here is the call graph for this function:

bool Floats::has_selector_for ( Function f ) [static]

Definition at line 44 of file floats.cpp.

References one, undefined, and zero.

void Floats::init ( MacroAssembler * masm ) [static]

Definition at line 177 of file floats.cpp.

References _function_names, _function_table, _is_initialized, abs, add, Assembler::code(), cos, outputStream::cr(), divide, exp, fatal, generate(), Assembler::hlt(), is_equal, is_greater, is_greater_equal, is_initialized(), is_less, is_less_equal, is_not_equal, is_not_zero, Disclaimer::is_product(), is_zero, ln, max_number_of_functions, modulo, multiply, negated, number_of_functions, one, oopify, Assembler::pc(), outputStream::print(), sin, sqrt, squared, std, subtract, tan, and zero.

Here is the call graph for this function:

static bool Floats::is_initialized ( ) [inline, static]

Definition at line 108 of file floats.hpp.

References _is_initialized.

Referenced by init().

static oop Floats::magic_value ( ) [inline, static]

Definition at line 105 of file floats.hpp.

References magic.

Referenced by frame::has_compiled_float_marker(), and frame::has_interpreted_float_marker().

void Floats::print ( ) [static]

Definition at line 234 of file floats.cpp.

References _function_table, _is_initialized, outputStream::cr(), function_name_for(), number_of_functions, outputStream::print(), outputStream::print_cr(), and std.

Here is the call graph for this function:

symbolOop Floats::selector_for ( Function f ) [static]

Member Data Documentation

char * Floats::_function_names [static, private]

Initial value:

 {
  "zero", "one",
  "abs", "negated", "squared", "sqrt", "sin", "cos", "tan", "exp", "ln",
  "add", "subtract", "multiply", "divide", "modulo",
  "is_zero", "is_not_zero", "oopify",
  "is_equal", "is_not_equal", "is_less", "is_less_equal", "is_greater", "is_greater_equal"
}