sanchayanmaity/gem5
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Merge zizzer.eecs.umich.edu:/z/m5/Bitkeeper/m5

Browse source 
into  zizzer.eecs.umich.edu:/z/stever/bk/m5

--HG--
extra : convert_revision : 6e30fb802265c6a0d4afc00141b89ee529595549
This commit is contained in:
Steve Reinhardt 2006-02-09 14:58:56 -05:00
commit 2c528d5865
1 changed files with 22 additions and 25 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

47
arch/isa_parser.py
View file

@ -1068,7 +1068,7 @@ class OperandTraits:
(size, type, is_signed) = operandSizeMap[op_desc.eff_ext]
# Note that initializations in the declarations are solely
# to avoid 'uninitialized variable' errors from the compiler.
return type + ' ' + op_desc.munged_name + ' = 0;\n';
return type + ' ' + op_desc.base_name + ' = 0;\n';
class IntRegOperandTraits(OperandTraits):
def isReg(self):
@ -1093,19 +1093,19 @@ class IntRegOperandTraits(OperandTraits):
error(0, 'Attempt to read integer register as FP')
if (size == self.dflt_size):
return '%s = xc->readIntReg(this, %d);\n' % \
(op_desc.munged_name, op_desc.src_reg_idx)
(op_desc.base_name, op_desc.src_reg_idx)
else:
return '%s = bits(xc->readIntReg(this, %d), %d, 0);\n' % \
(op_desc.munged_name, op_desc.src_reg_idx, size-1)
(op_desc.base_name, op_desc.src_reg_idx, size-1)
def makeWrite(self, op_desc):
(size, type, is_signed) = operandSizeMap[op_desc.eff_ext]
if (type == 'float' or type == 'double'):
error(0, 'Attempt to write integer register as FP')
if (size != self.dflt_size and is_signed):
final_val = 'sext<%d>(%s)' % (size, op_desc.munged_name)
final_val = 'sext<%d>(%s)' % (size, op_desc.base_name)
else:
final_val = op_desc.munged_name
final_val = op_desc.base_name
wb = '''
{
%s final_val = %s;
@ -1146,13 +1146,13 @@ class FloatRegOperandTraits(OperandTraits):
(func, op_desc.src_reg_idx)
if bit_select:
return '%s = bits(%s, %d, 0);\n' % \
(op_desc.munged_name, base, size-1)
(op_desc.base_name, base, size-1)
else:
return '%s = %s;\n' % (op_desc.munged_name, base)
return '%s = %s;\n' % (op_desc.base_name, base)
def makeWrite(self, op_desc):
(size, type, is_signed) = operandSizeMap[op_desc.eff_ext]
final_val = op_desc.munged_name
final_val = op_desc.base_name
if (type == 'float'):
func = 'setFloatRegSingle'
elif (type == 'double'):
@ -1161,7 +1161,7 @@ class FloatRegOperandTraits(OperandTraits):
func = 'setFloatRegInt'
type = 'uint%d_t' % self.dflt_size
if (size != self.dflt_size and is_signed):
final_val = 'sext<%d>(%s)' % (size, op_desc.munged_name)
final_val = 'sext<%d>(%s)' % (size, op_desc.base_name)
wb = '''
{
%s final_val = %s;
@ -1194,18 +1194,18 @@ class ControlRegOperandTraits(OperandTraits):
error(0, 'Attempt to read control register as FP')
base = 'xc->read%s()' % self.reg_spec
if size == self.dflt_size:
return '%s = %s;\n' % (op_desc.munged_name, base)
return '%s = %s;\n' % (op_desc.base_name, base)
else:
return '%s = bits(%s, %d, 0);\n' % \
(op_desc.munged_name, base, size-1)
(op_desc.base_name, base, size-1)
def makeWrite(self, op_desc):
(size, type, is_signed) = operandSizeMap[op_desc.eff_ext]
if (type == 'float' or type == 'double'):
error(0, 'Attempt to write control register as FP')
wb = 'xc->set%s(%s);\n' % (self.reg_spec, op_desc.munged_name)
wb = 'xc->set%s(%s);\n' % (self.reg_spec, op_desc.base_name)
wb += 'if (traceData) { traceData->setData(%s); }' % \
op_desc.munged_name
op_desc.base_name
return wb
class MemOperandTraits(OperandTraits):
@ -1220,7 +1220,7 @@ class MemOperandTraits(OperandTraits):
# Note that initializations in the declarations are solely
# to avoid 'uninitialized variable' errors from the compiler.
# Declare memory data variable.
c = '%s %s = 0;\n' % (type, op_desc.munged_name)
c = '%s %s = 0;\n' % (type, op_desc.base_name)
# Declare var to hold memory access flags.
c += 'unsigned %s_flags = memAccessFlags;\n' % op_desc.base_name
# If this operand is a dest (i.e., it's a store operation),
@ -1234,16 +1234,16 @@ class MemOperandTraits(OperandTraits):
(size, type, is_signed) = operandSizeMap[op_desc.eff_ext]
eff_type = 'uint%d_t' % size
return 'fault = xc->read(EA, (%s&)%s, %s_flags);\n' \
% (eff_type, op_desc.munged_name, op_desc.base_name)
% (eff_type, op_desc.base_name, op_desc.base_name)
def makeWrite(self, op_desc):
(size, type, is_signed) = operandSizeMap[op_desc.eff_ext]
eff_type = 'uint%d_t' % size
wb = 'fault = xc->write((%s&)%s, EA, %s_flags, &%s_write_result);\n' \
% (eff_type, op_desc.munged_name, op_desc.base_name,
% (eff_type, op_desc.base_name, op_desc.base_name,
op_desc.base_name)
wb += 'if (traceData) { traceData->setData(%s); }' % \
op_desc.munged_name
op_desc.base_name
return wb
class NPCOperandTraits(OperandTraits):
@ -1251,10 +1251,10 @@ class NPCOperandTraits(OperandTraits):
return ''
def makeRead(self, op_desc):
return '%s = xc->readPC() + 4;\n' % op_desc.munged_name
return '%s = xc->readPC() + 4;\n' % op_desc.base_name
def makeWrite(self, op_desc):
return 'xc->setNextPC(%s);\n' % op_desc.munged_name
return 'xc->setNextPC(%s);\n' % op_desc.base_name
exportContextSymbols = ('IntRegOperandTraits', 'FloatRegOperandTraits',
@ -1317,14 +1317,10 @@ class OperandDescriptor:
self.traits = operandTraitsMap[base_name]
# The 'effective extension' (eff_ext) is either the actual
# extension, if one was explicitly provided, or the default.
# The 'munged name' replaces the '.' between the base and
# extension (if any) with a '_' to make a legal C++ variable name.
if ext:
self.eff_ext = ext
self.munged_name = base_name + '_' + ext
else:
self.eff_ext = self.traits.dflt_ext
self.munged_name = base_name
# Finalize additional fields (primarily code fields). This step
# is done separately since some of these fields may depend on the
@ -1467,9 +1463,10 @@ def findOperands(code):
return operands
# Munge operand names in code string to make legal C++ variable names.
# (Will match munged_name attribute of OperandDescriptor object.)
# This means getting rid of the type extension if any.
# (Will match base_name attribute of OperandDescriptor object.)
def substMungedOpNames(code):
return operandsWithExtRE.sub(r'\1_\2', code)
return operandsWithExtRE.sub(r'\1', code)
def joinLists(t):
return map(string.join, t)