From: Evan Cheng <evan.cheng@apple.com>
Date: Wed, 11 Aug 2010 06:36:31 +0000 (+0000)
Subject: Really control isel of barrier instructions with cpu feature.
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=ee34987fd58ed98c6987ed46979ccb46e7420919;p=oota-llvm.git

Really control isel of barrier instructions with cpu feature.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110787 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td
index d4782793280..4a47b8c9a97 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 aaacefbb149..67c8c9594fa 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;