changeset e207990ddd14 in /z/repo/m5
details: http://repo.m5sim.org/m5?cmd=changeset;node=e207990ddd14
description:
X86: Implement the lfpimm microop.
diffstat:
1 file changed, 31 insertions(+)
src/arch/x86/isa/microops/limmop.isa | 31 +++++++++++++++++++++++++++++++
diffs (46 lines):
diff -r da0f91a2d60b -r e207990ddd14 src/arch/x86/isa/microops/limmop.isa
--- a/src/arch/x86/isa/microops/limmop.isa Mon Aug 17 18:16:07 2009 -0700
+++ b/src/arch/x86/isa/microops/limmop.isa Mon Aug 17 18:17:26 2009 -0700
@@ -164,6 +164,30 @@
return allocator
microopClasses["limm"] = LimmOp
+
+ class LfpimmOp(X86Microop):
+ def __init__(self, dest, imm, dataSize="env.dataSize"):
+ self.className = "Lfpimm"
+ self.mnemonic = "lfpimm"
+ self.dest = dest
+ if isinstance(imm, (int, long)):
+ imm = "ULL(%d)" % imm
+ if isinstance(imm, float):
+ imm = "reinterpret_cast<uint64_t>((double)(%d))"
+ self.imm = imm
+ self.dataSize = dataSize
+
+ def getAllocator(self, *microFlags):
+ allocator = '''new %(class_name)s(machInst, macrocodeBlock
+ %(flags)s, %(dest)s, %(imm)s, %(dataSize)s)''' % {
+ "class_name" : self.className,
+ "mnemonic" : self.mnemonic,
+ "flags" : self.microFlagsText(microFlags),
+ "dest" : self.dest, "imm" : self.imm,
+ "dataSize" : self.dataSize}
+ return allocator
+
+ microopClasses["lfpimm"] = LfpimmOp
}};
let {{
@@ -174,4 +198,11 @@
decoder_output += MicroLimmOpConstructor.subst(iop)
decoder_output += MicroLimmOpDisassembly.subst(iop)
exec_output += MicroLimmOpExecute.subst(iop)
+
+ iop = InstObjParams("lfpimm", "Lfpimm", 'X86MicroopBase',
+ {"code" : "FpDestReg.uqw = imm"})
+ header_output += MicroLimmOpDeclare.subst(iop)
+ decoder_output += MicroLimmOpConstructor.subst(iop)
+ decoder_output += MicroLimmOpDisassembly.subst(iop)
+ exec_output += MicroLimmOpExecute.subst(iop)
}};
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