diff options
Diffstat (limited to 'llvm/lib/Target/ARM/ARMInstrInfo.td')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMInstrInfo.td | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/Target/ARM/ARMInstrInfo.td b/llvm/lib/Target/ARM/ARMInstrInfo.td index 239f4a0a224..eb8526bfead 100644 --- a/llvm/lib/Target/ARM/ARMInstrInfo.td +++ b/llvm/lib/Target/ARM/ARMInstrInfo.td @@ -280,6 +280,9 @@ def HasDSP : Predicate<"Subtarget->hasDSP()">, def HasDB : Predicate<"Subtarget->hasDataBarrier()">, AssemblerPredicate<"FeatureDB", "data-barriers">; +def HasDFB : Predicate<"Subtarget->hasFullDataBarrier()">, + AssemblerPredicate<"FeatureDFB", + "full-data-barrier">; def HasV7Clrex : Predicate<"Subtarget->hasV7Clrex()">, AssemblerPredicate<"FeatureV7Clrex", "v7 clrex">; @@ -5850,6 +5853,8 @@ include "ARMInstrNEON.td" def : InstAlias<"dmb", (DMB 0xf), 0>, Requires<[IsARM, HasDB]>; def : InstAlias<"dsb", (DSB 0xf), 0>, Requires<[IsARM, HasDB]>; def : InstAlias<"isb", (ISB 0xf), 0>, Requires<[IsARM, HasDB]>; +// Armv8-R 'Data Full Barrier' +def : InstAlias<"dfb", (DSB 0xc), 1>, Requires<[IsARM, HasDFB]>; // System instructions def : MnemonicAlias<"swi", "svc">; |
