2 files changed, 4 insertions, 4 deletions
diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td
index d478279328..4a47b8c9a9 100644
--- a/lib/Target/ARM/ARMInstrInfo.td
+++ b/lib/Target/ARM/ARMInstrInfo.td
@@ -2371,7 +2371,7 @@ def MOVCCi : AI1<0b1101, (outs GPR:$dst),
 // memory barriers protect the atomic sequences
 let hasSideEffects = 1 in {
 def DMBsy : AInoP<(outs), (ins), Pseudo, NoItinerary, "dmb", "",
-                  [(ARMMemBarrier)]>, Requires<[IsARM, HasV7]> {
+                  [(ARMMemBarrier)]>, Requires<[IsARM, HasDB]> {
   let Inst{31-4} = 0xf57ff05;
   // FIXME: add support for options other than a full system DMB
   // See DMB disassembly-only variants below.
@@ -2379,7 +2379,7 @@ def DMBsy : AInoP<(outs), (ins), Pseudo, NoItinerary, "dmb", "",
 }
 
 def DSBsy : AInoP<(outs), (ins), Pseudo, NoItinerary, "dsb", "",
-                  [(ARMSyncBarrier)]>, Requires<[IsARM, HasV7]> {
+                  [(ARMSyncBarrier)]>, Requires<[IsARM, HasDB]> {
   let Inst{31-4} = 0xf57ff04;
   // FIXME: add support for options other than a full system DSB
   // See DSB disassembly-only variants below.
diff --git a/lib/Target/ARM/ARMInstrThumb2.td b/lib/Target/ARM/ARMInstrThumb2.td
index aaacefbb14..67c8c9594f 100644
--- a/lib/Target/ARM/ARMInstrThumb2.td
+++ b/lib/Target/ARM/ARMInstrThumb2.td
@@ -2230,14 +2230,14 @@ def t2MOVCCror : T2I_movcc_sh<0b11, (outs rGPR:$dst),
 // memory barriers protect the atomic sequences
 let hasSideEffects = 1 in {
 def t2DMBsy : AInoP<(outs), (ins), ThumbFrm, NoItinerary, "dmb", "",
-                    [(ARMMemBarrier)]>, Requires<[HasDB]> {
+                    [(ARMMemBarrier)]>, Requires<[IsThumb, HasDB]> {
   let Inst{31-4} = 0xF3BF8F5;
   // FIXME: add support for options other than a full system DMB
   let Inst{3-0} = 0b1111;
 }
 
 def t2DSBsy : AInoP<(outs), (ins), ThumbFrm, NoItinerary, "dsb", "",
-                    [(ARMSyncBarrier)]>, Requires<[HasDB]> {
+                    [(ARMSyncBarrier)]>, Requires<[IsThumb, HasDB]> {
   let Inst{31-4} = 0xF3BF8F4;
   // FIXME: add support for options other than a full system DSB
   let Inst{3-0} = 0b1111;