X86: Make the halt microop non-speculative.

Executing this microop makes the CPU halt even if it was misspeculated.
2010-09-14 12:31:37 -07:00 · 2010-09-14 12:31:37 -07:00 · 2dd9f4fcf0
commit 2dd9f4fcf0
parent 0bbd88eb40
1 changed files with 3 additions and 1 deletions
--- 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)
        {
        }