summaryrefslogtreecommitdiff
path: root/src/arch/x86/isa/microops/limmop.isa
diff options
context:
space:
mode:
Diffstat (limited to 'src/arch/x86/isa/microops/limmop.isa')
-rw-r--r--src/arch/x86/isa/microops/limmop.isa27
1 files changed, 19 insertions, 8 deletions
diff --git a/src/arch/x86/isa/microops/limmop.isa b/src/arch/x86/isa/microops/limmop.isa
index 2871d5a89..ac78b090d 100644
--- a/src/arch/x86/isa/microops/limmop.isa
+++ b/src/arch/x86/isa/microops/limmop.isa
@@ -114,8 +114,16 @@ let {{
self.dataSize = dataSize
def getAllocator(self, microFlags):
- allocator = '''new %(class_name)s(machInst, macrocodeBlock,
- %(flags)s, %(dest)s, %(imm)s, %(dataSize)s)''' % {
+ allocString = '''
+ (%(dataSize)s >= 4) ?
+ (StaticInstPtr)(new %(class_name)sBig(machInst,
+ macrocodeBlock, %(flags)s, %(dest)s, %(imm)s,
+ %(dataSize)s)) :
+ (StaticInstPtr)(new %(class_name)s(machInst,
+ macrocodeBlock, %(flags)s, %(dest)s, %(imm)s,
+ %(dataSize)s))
+ '''
+ allocator = allocString % {
"class_name" : self.className,
"mnemonic" : self.mnemonic,
"flags" : self.microFlagsText(microFlags),
@@ -152,12 +160,15 @@ let {{
let {{
# Build up the all register version of this micro op
- iop = InstObjParams("limm", "Limm", 'X86MicroopBase',
- {"code" : "DestReg = merge(DestReg, imm, dataSize);"})
- header_output += MicroLimmOpDeclare.subst(iop)
- decoder_output += MicroLimmOpConstructor.subst(iop)
- decoder_output += MicroLimmOpDisassembly.subst(iop)
- exec_output += MicroLimmOpExecute.subst(iop)
+ iops = [InstObjParams("limm", "Limm", 'X86MicroopBase',
+ {"code" : "DestReg = merge(DestReg, imm, dataSize);"}),
+ InstObjParams("limm", "LimmBig", 'X86MicroopBase',
+ {"code" : "DestReg = imm & mask(dataSize * 8);"})]
+ for iop in iops:
+ header_output += MicroLimmOpDeclare.subst(iop)
+ decoder_output += MicroLimmOpConstructor.subst(iop)
+ decoder_output += MicroLimmOpDisassembly.subst(iop)
+ exec_output += MicroLimmOpExecute.subst(iop)
iop = InstObjParams("lfpimm", "Lfpimm", 'X86MicroopBase',
{"code" : "FpDestReg.uqw = imm"})