From: Johnny Chen <johnny.chen@apple.com>
Date: Fri, 25 Mar 2011 17:31:16 +0000 (+0000)
Subject: Instruction formats of SWP/SWPB were changed from LdStExFrm to MiscFrm.  Modify the... 
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=6c3891067b6e2e2aa399a57ecae407677f22391d;p=oota-llvm.git

Instruction formats of SWP/SWPB were changed from LdStExFrm to MiscFrm.  Modify the disassembler to handle that.

rdar://problem/9184053


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128285 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/ARM/Disassembler/ARMDisassemblerCore.cpp b/lib/Target/ARM/Disassembler/ARMDisassemblerCore.cpp
index ff19a385cf4..3c48879eb36 100644
--- a/lib/Target/ARM/Disassembler/ARMDisassemblerCore.cpp
+++ b/lib/Target/ARM/Disassembler/ARMDisassemblerCore.cpp
@@ -2951,6 +2951,11 @@ static bool DisassembleMiscFrm(MCInst &MI, unsigned Opcode, uint32_t insn,
   case ARM::WFI:
   case ARM::SEV:
     return true;
+  case ARM::SWP:
+  case ARM::SWPB:
+    // SWP, SWPB: Rd Rm Rn
+    // Delegate to DisassembleLdStExFrm()....
+    return DisassembleLdStExFrm(MI, Opcode, insn, NumOps, NumOpsAdded, B);
   default:
     break;
   }
diff --git a/test/MC/Disassembler/ARM/arm-tests.txt b/test/MC/Disassembler/ARM/arm-tests.txt
index 16e6981382e..f4836772d5d 100644
--- a/test/MC/Disassembler/ARM/arm-tests.txt
+++ b/test/MC/Disassembler/ARM/arm-tests.txt
@@ -184,3 +184,6 @@
 
 # CHECK:	ldmdb	sp, {r0, r4, r8, r11, r12, pc}
 0x11 0x99 0x1d 0xe9
+
+# CHECK:	swpge	r3, r2, [r6]
+0x92 0x30 0x06 0xa1