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X86: Add an fp move microop.

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--HG--
extra : convert_revision : a9d6d3568cd2c6a65df91bf56ee1e43523f04630
This commit is contained in:
Gabe Black
2007-08-29 20:36:44 -07:00
parent 22830c0747
commit 3b97b6e0e2
1 changed files with 21 additions and 15 deletions
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36
src/arch/x86/isa/microops/regop.isa
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@@ -357,7 +357,7 @@ let {{
# This creates a python representations of a microop which are a cross
# product of reg/immediate and flag/no flag versions.
def defineMicroRegOp(mnemonic, code, flagCode=genCCFlagBits, \
cc=False, elseCode=";"):
cc=False, doImm=True, elseCode=";"):
Name = mnemonic
name = mnemonic.lower()
@@ -392,21 +392,22 @@ let {{
regCode, flagCode=regFlagCode,
condCheck=condCode, elseCode=elseCode);
class RegOpChildImm(RegOpImm):
mnemonic = name + 'i'
className = Name + 'Imm'
def __init__(self, dest, src1, src2, \
flags=None, dataSize="env.dataSize"):
super(RegOpChildImm, self).__init__(dest, src1, src2, \
flags, dataSize)
if doImm:
class RegOpChildImm(RegOpImm):
mnemonic = name + 'i'
className = Name + 'Imm'
def __init__(self, dest, src1, src2, \
flags=None, dataSize="env.dataSize"):
super(RegOpChildImm, self).__init__(dest, src1, src2, \
flags, dataSize)
microopClasses[name + 'i'] = RegOpChildImm
microopClasses[name + 'i'] = RegOpChildImm
setUpMicroRegOp(name + "i", Name + "Imm", "X86ISA::RegOpImm", \
immCode, imm=True);
setUpMicroRegOp(name + "i", Name + "ImmFlags", "X86ISA::RegOpImm",
immCode, flagCode=immFlagCode,
condCheck=condCode, elseCode=elseCode, imm=True);
setUpMicroRegOp(name + "i", Name + "Imm", "X86ISA::RegOpImm", \
immCode, imm=True);
setUpMicroRegOp(name + "i", Name + "ImmFlags", "X86ISA::RegOpImm",
immCode, flagCode=immFlagCode,
condCheck=condCode, elseCode=elseCode, imm=True);
# This has it's own function because Wr ops have implicit destinations
def defineMicroRegOpWr(mnemonic, code, elseCode=";"):
@@ -562,9 +563,14 @@ let {{
#
# HACK HACK HACK HACK - Put psrc1 in here but make it inert to shut up gcc.
#
defineMicroRegOp('Mov', 'DestReg = merge(SrcReg1, psrc1 * 0 + op2, dataSize)',
defineMicroRegOp('Mov',
'DestReg = merge(SrcReg1, psrc1 * 0 + op2, dataSize)',
elseCode='DestReg=DestReg;', cc=True)
defineMicroRegOp('Movfp',
'FpDestReg = FpSrcReg2 + psrc1 * 0 + psrc2 * 0',
elseCode='FpDestReg=FpDestReg;', cc=True, doImm=False)
# Shift instructions
defineMicroRegOp('Sll', '''
uint8_t shiftAmt = (op2 & ((dataSize == 8) ? mask(6) : mask(5)));