Add missed mayStore flag to STREXD / t2STREXD

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148742 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td
index 99d180a56957c62bbe295310db2f48c73a1cc2f6..64a47aad4de6b892f070697e2649f7e132f9b7b6 100644 (file)
--- a/lib/Target/ARM/ARMInstrInfo.td
+++ b/lib/Target/ARM/ARMInstrInfo.td
@@ -4273,14 +4273,14 @@ def STREXH: AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
                     NoItinerary, "strexh", "\t$Rd, $Rt, $addr", []>;
 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
                     NoItinerary, "strex", "\t$Rd, $Rt, $addr", []>;
-}
-
-let hasExtraSrcRegAllocReq = 1, Constraints = "@earlyclobber $Rd" in
+let hasExtraSrcRegAllocReq = 1 in
 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
                     (ins GPR:$Rt, GPR:$Rt2, addr_offset_none:$addr),
                     NoItinerary, "strexd", "\t$Rd, $Rt, $Rt2, $addr", []> {
   let DecoderMethod = "DecodeDoubleRegStore";
 }
+}
+
 
 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex", []>,
             Requires<[IsARM, HasV7]>  {

diff --git a/lib/Target/ARM/ARMInstrThumb2.td b/lib/Target/ARM/ARMInstrThumb2.td
index bbac56d0b5be538c8a5901f72405699425ead665..638b37a00041877066d5747ebda0c60591834b03 100644 (file)
--- a/lib/Target/ARM/ARMInstrThumb2.td
+++ b/lib/Target/ARM/ARMInstrThumb2.td
@@ -3065,9 +3065,7 @@ def t2STREX  : Thumb2I<(outs rGPR:$Rd), (ins rGPR:$Rt,
   let Inst{11-8}  = Rd;
   let Inst{7-0} = addr{7-0};
 }
-}
-
-let hasExtraSrcRegAllocReq = 1, Constraints = "@earlyclobber $Rd" in
+let hasExtraSrcRegAllocReq = 1 in
 def t2STREXD : T2I_strex<0b11, (outs rGPR:$Rd),
                          (ins rGPR:$Rt, rGPR:$Rt2, addr_offset_none:$addr),
                          AddrModeNone, 4, NoItinerary,
@@ -3076,6 +3074,7 @@ def t2STREXD : T2I_strex<0b11, (outs rGPR:$Rd),
   bits<4> Rt2;
   let Inst{11-8} = Rt2;
 }
+}
 
 def t2CLREX : T2I<(outs), (ins), NoItinerary, "clrex", "", []>,
             Requires<[IsThumb2, HasV7]>  {