diff options
Diffstat (limited to 'llvm/lib/Target/X86/X86SchedSandyBridge.td')
| -rw-r--r-- | llvm/lib/Target/X86/X86SchedSandyBridge.td | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86SchedSandyBridge.td b/llvm/lib/Target/X86/X86SchedSandyBridge.td index 569ae366eaa..9dbf0976989 100644 --- a/llvm/lib/Target/X86/X86SchedSandyBridge.td +++ b/llvm/lib/Target/X86/X86SchedSandyBridge.td @@ -1112,6 +1112,13 @@ def SBWriteResGroupVzeroall : SchedWriteRes<[SBPort5]> { } def: InstRW<[SBWriteResGroupVzeroall], (instrs VZEROALL)>; +def SBWriteResGroupVzeroupper : SchedWriteRes<[]> { + let Latency = 1; + let NumMicroOps = 4; + let ResourceCycles = []; +} +def: InstRW<[SBWriteResGroupVzeroupper], (instrs VZEROUPPER)>; + def: InstRW<[WriteZero], (instrs CLC)>; // Intruction variants handled by the renamer. These might not need execution |
