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| author | Gabe Black <gblack@eecs.umich.edu> | 2007-10-21 18:44:50 -0700 |
|---|---|---|
| committer | Gabe Black <gblack@eecs.umich.edu> | 2007-10-21 18:44:50 -0700 |
| commit | 4d15e4cf7b2c8eb1f2232e0cbcd09893e9cb9500 (patch) | |
| tree | dcc029105a1066916a0734928092fc0f6da1eadf /src/arch/x86/isa/microops/ldstop.isa | |
| parent | d8494325f07695e810e51dffbf9daf5145b10d1a (diff) | |
| download | gem5-4d15e4cf7b2c8eb1f2232e0cbcd09893e9cb9500.tar.xz | |
X86: Implement the stupd microop ("store with update", not "stupid") and use it in ENTER.
--HG--
extra : convert_revision : 9151f701162d31ef26298497467c42b7b0ed85d5
Diffstat (limited to 'src/arch/x86/isa/microops/ldstop.isa')
| -rw-r--r-- | src/arch/x86/isa/microops/ldstop.isa | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/arch/x86/isa/microops/ldstop.isa b/src/arch/x86/isa/microops/ldstop.isa index 32fefb5fa..c9ace4790 100644 --- a/src/arch/x86/isa/microops/ldstop.isa +++ b/src/arch/x86/isa/microops/ldstop.isa @@ -422,6 +422,11 @@ let {{ defineMicroStoreOp('St', 'Mem = Data;') defineMicroStoreOp('Stfp', 'Mem = FpData.uqw;') + defineMicroStoreOp('Stupd', ''' + Mem = Data; + Base = merge(Base, EA - SegBase, addressSize); + '''); + iop = InstObjParams("lea", "Lea", 'X86ISA::LdStOp', {"code": "Data = merge(Data, EA, dataSize);", |