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X86: Add a .serializing directive that makes a macroop serializing.

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This directive really just tells the macroop to set IsSerializing and
IsSerializeAfter on its final microop.
This commit is contained in:
Gabe Black 2010-08-23 09:44:19 -07:00
parent 5a1dbe4d99
commit 69fc2af006
1 changed files with 8 additions and 1 deletions
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9
src/arch/x86/isa/macroop.isa
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@ -139,12 +139,15 @@ let {{
self.adjust_imm += val self.adjust_imm += val
def adjustDisp(self, val): def adjustDisp(self, val):
self.adjust_disp += val self.adjust_disp += val
def serializing(self):
self.serializing = True
def __init__(self, name): def __init__(self, name):
super(X86Macroop, self).__init__(name) super(X86Macroop, self).__init__(name)
self.directives = { self.directives = {
"adjust_env" : self.setAdjustEnv, "adjust_env" : self.setAdjustEnv,
"adjust_imm" : self.adjustImm, "adjust_imm" : self.adjustImm,
"adjust_disp" : self.adjustDisp "adjust_disp" : self.adjustDisp,
"serializing" : self.serializing
} }
self.declared = False self.declared = False
self.adjust_env = "" self.adjust_env = ""
@ -159,6 +162,7 @@ let {{
//This is to pacify gcc in case the displacement isn't used. //This is to pacify gcc in case the displacement isn't used.
adjustedDisp = adjustedDisp; adjustedDisp = adjustedDisp;
''' '''
self.serializing = False
def getAllocator(self, env): def getAllocator(self, env):
return "new X86Macroop::%s(machInst, %s)" % \ return "new X86Macroop::%s(machInst, %s)" % \
(self.name, env.getAllocator()) (self.name, env.getAllocator())
@ -188,6 +192,9 @@ let {{
flags = ["IsMicroop"] flags = ["IsMicroop"]
if micropc == numMicroops - 1: if micropc == numMicroops - 1:
flags.append("IsLastMicroop") flags.append("IsLastMicroop")
if self.serializing:
flags.append("IsSerializing")
flags.append("IsSerializeAfter")
else: else:
flags.append("IsDelayedCommit") flags.append("IsDelayedCommit")
if micropc == 0: if micropc == 0: