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| author | Gabe Black <gblack@eecs.umich.edu> | 2010-09-14 12:31:37 -0700 |
|---|---|---|
| committer | Gabe Black <gblack@eecs.umich.edu> | 2010-09-14 12:31:37 -0700 |
| commit | 2dd9f4fcf02c68eb86a6742576eecb3eef3b9ddf (patch) | |
| tree | 90d78afa2e9225e737897ace7997306b18652daa | |
| parent | 0bbd88eb40e553deaabd6fbc935a596125701a86 (diff) | |
| download | gem5-2dd9f4fcf02c68eb86a6742576eecb3eef3b9ddf.tar.xz | |
X86: Make the halt microop non-speculative.
Executing this microop makes the CPU halt even if it was misspeculated.
| -rw-r--r-- | src/arch/x86/isa/microops/specop.isa | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/arch/x86/isa/microops/specop.isa b/src/arch/x86/isa/microops/specop.isa index f6978075b..52420f175 100644 --- a/src/arch/x86/isa/microops/specop.isa +++ b/src/arch/x86/isa/microops/specop.isa @@ -61,7 +61,9 @@ output header {{ public: MicroHalt(ExtMachInst _machInst, const char * instMnem, uint64_t setFlags) : - X86MicroopBase(_machInst, "halt", instMnem, setFlags, No_OpClass) + X86MicroopBase(_machInst, "halt", instMnem, + setFlags | (ULL(1) << StaticInst::IsNonSpeculative), + No_OpClass) { } |