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#!/usr/bin/env python
from rpython.jit.backend.riscv.arch import FLEN, JITFRAME_FIXED_SIZE, XLEN
from rpython.jit.metainterp.history import FLOAT, INT
from rpython.rlib.rarithmetic import r_int32
class AssemblerLocation(object):
_immutable_ = True
type = INT
def is_imm(self):
return False
def is_stack(self):
return False
def is_raw_sp(self):
return False
def is_core_reg(self):
return False
def is_fp_reg(self):
return False
def is_imm_float(self):
return False
def is_float(self):
return False
def as_key(self):
raise NotImplementedError
def get_position(self):
raise NotImplementedError
class RegisterLocation(AssemblerLocation):
_immutable_ = True
width = XLEN
def __init__(self, value):
self.value = value
def __repr__(self):
return 'x%d' % self.value
def __int__(self):
return self.value
def is_core_reg(self):
return True
def as_key(self):
return self.value
class ZeroRegisterLocation(AssemblerLocation):
_immutable_ = True
width = XLEN
def __init__(self):
self.value = 0
def __repr__(self):
return "zero"
def __int__(self):
return self.value
def is_core_reg(self):
return True
def as_key(self):
return self.value
class FloatRegisterLocation(RegisterLocation):
_immutable_ = True
type = FLOAT
width = FLEN
def __repr__(self):
return 'f%d' % self.value
def __int__(self):
return self.value
def is_core_reg(self):
return False
def is_fp_reg(self):
return True
def as_key(self):
return self.value + 40
def is_float(self):
return True
class ImmLocation(AssemblerLocation):
_immutable_ = True
def __init__(self, value):
assert not isinstance(value, r_int32)
self.value = value
def __repr__(self):
return "imm(%d)" % (self.value)
def is_imm(self):
return True
class StackLocation(AssemblerLocation):
_immutable_ = True
def __init__(self, position, fp_offset, type=INT):
self.position = position
self.value = fp_offset
self.type = type
if type == FLOAT:
self.width = FLEN
else:
self.width = XLEN
def __repr__(self):
return 'FP(%s)+%d' % (self.type, self.position)
def get_position(self):
return self.position
def is_stack(self):
return True
def as_key(self):
return self.position + 10000
def is_float(self):
return self.type == FLOAT
def get_fp_offset(base_ofs, position):
return base_ofs + XLEN * (position + JITFRAME_FIXED_SIZE)
class FloatImmLocation(AssemblerLocation):
"""This class represents an imm float value (bitcasted to integer)"""
_immutable_ = True
type = FLOAT
def __init__(self, value):
self.value = value
def __repr__(self):
return "imm_float(bits=%x)" % (self.value)
def is_imm_float(self):
return True
def as_key(self):
return self.value
def is_float(self):
return True
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