From f0586f08dfd5bf1889c15849e9c603b3985fce4a Mon Sep 17 00:00:00 2001
From: Kevin Enderby <enderby@apple.com>
Date: Wed, 21 Mar 2012 20:54:32 +0000
Subject: [PATCH] Fix ARM disassembly of VST1 and VST2 instructions with
 writeback.  And add test case for all opcodes handed by
 DecodeVSTInstruction() in ARMDisassembler.cpp .

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153218 91177308-0d34-0410-b5e6-96231b3b80d8
---
 .../ARM/Disassembler/ARMDisassembler.cpp      |  19 ++
 test/MC/Disassembler/ARM/neon.txt             | 185 ++++++++++++++++++
 test/MC/Disassembler/ARM/neont2.txt           | 183 +++++++++++++++++
 3 files changed, 387 insertions(+)

diff --git a/lib/Target/ARM/Disassembler/ARMDisassembler.cpp b/lib/Target/ARM/Disassembler/ARMDisassembler.cpp
index e52e6c7f077..ce4587b7d7c 100644
--- a/lib/Target/ARM/Disassembler/ARMDisassembler.cpp
+++ b/lib/Target/ARM/Disassembler/ARMDisassembler.cpp
@@ -2319,6 +2319,8 @@ static DecodeStatus DecodeVSTInstruction(llvm::MCInst &Inst, unsigned Insn,
     case ARM::VST2b8wb_register:
     case ARM::VST2b16wb_register:
     case ARM::VST2b32wb_register:
+      Inst.addOperand(MCOperand::CreateImm(0));
+      break;
     case ARM::VST3d8_UPD:
     case ARM::VST3d16_UPD:
     case ARM::VST3d32_UPD:
@@ -2360,6 +2362,23 @@ static DecodeStatus DecodeVSTInstruction(llvm::MCInst &Inst, unsigned Insn,
     case ARM::VST1q16wb_fixed:
     case ARM::VST1q32wb_fixed:
     case ARM::VST1q64wb_fixed:
+    case ARM::VST1d8Twb_fixed:
+    case ARM::VST1d16Twb_fixed:
+    case ARM::VST1d32Twb_fixed:
+    case ARM::VST1d64Twb_fixed:
+    case ARM::VST1d8Qwb_fixed:
+    case ARM::VST1d16Qwb_fixed:
+    case ARM::VST1d32Qwb_fixed:
+    case ARM::VST1d64Qwb_fixed:
+    case ARM::VST2d8wb_fixed:
+    case ARM::VST2d16wb_fixed:
+    case ARM::VST2d32wb_fixed:
+    case ARM::VST2q8wb_fixed:
+    case ARM::VST2q16wb_fixed:
+    case ARM::VST2q32wb_fixed:
+    case ARM::VST2b8wb_fixed:
+    case ARM::VST2b16wb_fixed:
+    case ARM::VST2b32wb_fixed:
       break;
   }
 
diff --git a/test/MC/Disassembler/ARM/neon.txt b/test/MC/Disassembler/ARM/neon.txt
index 609527f7127..998e9e86f0a 100644
--- a/test/MC/Disassembler/ARM/neon.txt
+++ b/test/MC/Disassembler/ARM/neon.txt
@@ -1876,3 +1876,188 @@
 # CHECK vld2.8	{d17[], d19[]}, [r7, :16]!
 0xe7 0xf9 0x3f 0x1d
 # CHECK vld2.8	{d17[], d19[]}, [r7, :16]
+
+# rdar://11034702
+0x0d 0x87 0x04 0xf4
+# CHECK: vst1.8	{d8}, [r4]!            
+0x4d 0x87 0x04 0xf4
+# CHECK: vst1.16	{d8}, [r4]!             
+0x8d 0x87 0x04 0xf4
+# CHECK: vst1.32	{d8}, [r4]!             
+0xcd 0x87 0x04 0xf4
+# CHECK: vst1.64	{d8}, [r4]!             
+0x06 0x87 0x04 0xf4
+# CHECK: vst1.8	{d8}, [r4], r6          
+0x46 0x87 0x04 0xf4
+# CHECK: vst1.16	{d8}, [r4], r6          
+0x86 0x87 0x04 0xf4
+# CHECK: vst1.32	{d8}, [r4], r6          
+0xc6 0x87 0x04 0xf4
+# CHECK: vst1.64	{d8}, [r4], r6          
+
+0x0d 0x8a 0x04 0xf4
+# CHECK: vst1.8	{d8, d9}, [r4]!         
+0x4d 0x8a 0x04 0xf4
+# CHECK: vst1.16	{d8, d9}, [r4]!         
+0x8d 0x8a 0x04 0xf4
+# CHECK: vst1.32	{d8, d9}, [r4]!         
+0xcd 0x8a 0x04 0xf4
+# CHECK: vst1.64	{d8, d9}, [r4]!         
+0x06 0x8a 0x04 0xf4
+# CHECK: vst1.8	{d8, d9}, [r4], r6      
+0x46 0x8a 0x04 0xf4
+# CHECK: vst1.16	{d8, d9}, [r4], r6      
+0x86 0x8a 0x04 0xf4
+# CHECK: vst1.32	{d8, d9}, [r4], r6      
+0xc6 0x8a 0x04 0xf4
+# CHECK: vst1.64	{d8, d9}, [r4], r6      
+
+0x0d 0x86 0x04 0xf4
+# CHECK: vst1.8	{d8, d9, d10}, [r4]!    
+0x4d 0x86 0x04 0xf4
+# CHECK: vst1.16	{d8, d9, d10}, [r4]!    
+0x8d 0x86 0x04 0xf4
+# CHECK: vst1.32	{d8, d9, d10}, [r4]!    
+0xcd 0x86 0x04 0xf4
+# CHECK: vst1.64	{d8, d9, d10}, [r4]!    
+0x06 0x86 0x04 0xf4
+# CHECK: vst1.8	{d8, d9, d10}, [r4], r6 
+0x46 0x86 0x04 0xf4
+# CHECK: vst1.16	{d8, d9, d10}, [r4], r6 
+0x86 0x86 0x04 0xf4
+# CHECK: vst1.32	{d8, d9, d10}, [r4], r6 
+0xc6 0x86 0x04 0xf4
+# CHECK: vst1.64	{d8, d9, d10}, [r4], r6 
+
+0x0d 0x82 0x04 0xf4
+# CHECK: vst1.8	{d8, d9, d10, d11}, [r4]! 
+0x4d 0x82 0x04 0xf4
+# CHECK: vst1.16	{d8, d9, d10, d11}, [r4]! 
+0x8d 0x82 0x04 0xf4
+# CHECK: vst1.32	{d8, d9, d10, d11}, [r4]! 
+0xcd 0x82 0x04 0xf4
+# CHECK: vst1.64	{d8, d9, d10, d11}, [r4]! 
+0x06 0x82 0x04 0xf4
+# CHECK: vst1.8	{d8, d9, d10, d11}, [r4], r6 
+0x46 0x82 0x04 0xf4
+# CHECK: vst1.16	{d8, d9, d10, d11}, [r4], r6 
+0x86 0x82 0x04 0xf4
+# CHECK: vst1.32	{d8, d9, d10, d11}, [r4], r6 
+0xc6 0x82 0x04 0xf4
+# CHECK: vst1.64	{d8, d9, d10, d11}, [r4], r6 
+
+0x0d 0x88 0x04 0xf4
+# CHECK: vst2.8	{d8, d9}, [r4]!         
+0x4d 0x88 0x04 0xf4
+# CHECK: vst2.16	{d8, d9}, [r4]!         
+0x8d 0x88 0x04 0xf4
+# CHECK: vst2.32	{d8, d9}, [r4]!         
+0x06 0x88 0x04 0xf4
+# CHECK: vst2.8	{d8, d9}, [r4], r6      
+0x46 0x88 0x04 0xf4
+# CHECK: vst2.16	{d8, d9}, [r4], r6      
+0x86 0x88 0x04 0xf4
+# CHECK: vst2.32	{d8, d9}, [r4], r6      
+
+0x0d 0x89 0x04 0xf4
+# CHECK: vst2.8	{d8, d10}, [r4]!        
+0x4d 0x89 0x04 0xf4
+# CHECK: vst2.16	{d8, d10}, [r4]!        
+0x8d 0x89 0x04 0xf4
+# CHECK: vst2.32	{d8, d10}, [r4]!        
+0x06 0x89 0x04 0xf4
+# CHECK: vst2.8	{d8, d10}, [r4], r6     
+0x46 0x89 0x04 0xf4
+# CHECK: vst2.16	{d8, d10}, [r4], r6     
+0x86 0x89 0x04 0xf4
+# CHECK: vst2.32	{d8, d10}, [r4], r6     
+
+0x0d 0x84 0x04 0xf4
+# CHECK: vst3.8	{d8, d9, d10}, [r4]!    
+0x4d 0x84 0x04 0xf4
+# CHECK: vst3.16	{d8, d9, d10}, [r4]!    
+0x8d 0x84 0x04 0xf4
+# CHECK: vst3.32	{d8, d9, d10}, [r4]!    
+0x06 0x85 0x04 0xf4
+# CHECK: vst3.8	{d8, d10, d12}, [r4], r6 
+0x46 0x85 0x04 0xf4
+# CHECK: vst3.16	{d8, d10, d12}, [r4], r6 
+0x86 0x85 0x04 0xf4
+# CHECK: vst3.32	{d8, d10, d12}, [r4], r6 
+
+0x0d 0x80 0x04 0xf4
+# CHECK: vst4.8	{d8, d9, d10, d11}, [r4]! 
+0x4d 0x80 0x04 0xf4
+# CHECK: vst4.16	{d8, d9, d10, d11}, [r4]! 
+0x8d 0x80 0x04 0xf4
+# CHECK: vst4.32	{d8, d9, d10, d11}, [r4]! 
+0x06 0x81 0x04 0xf4
+# CHECK: vst4.8	{d8, d10, d12, d14}, [r4], r6 
+0x46 0x81 0x04 0xf4
+# CHECK: vst4.16	{d8, d10, d12, d14}, [r4], r6 
+0x86 0x81 0x04 0xf4
+# CHECK: vst4.32	{d8, d10, d12, d14}, [r4], r6 
+
+0x4f 0x8a 0x04 0xf4
+# CHECK: vst1.16	{d8, d9}, [r4]          
+0x8f 0x8a 0x04 0xf4
+# CHECK: vst1.32	{d8, d9}, [r4]          
+0xcf 0x8a 0x04 0xf4
+# CHECK: vst1.64	{d8, d9}, [r4]          
+0x0f 0x8a 0x04 0xf4
+# CHECK: vst1.8	{d8, d9}, [r4]          
+
+0x4f 0x88 0x04 0xf4
+# CHECK: vst2.16	{d8, d9}, [r4]          
+0x8f 0x88 0x04 0xf4
+# CHECK: vst2.32	{d8, d9}, [r4]          
+0x0f 0x88 0x04 0xf4
+# CHECK: vst2.8	{d8, d9}, [r4]          
+
+0x4d 0x88 0x04 0xf4
+# CHECK: vst2.16	{d8, d9}, [r4]!         
+0x46 0x88 0x04 0xf4
+# CHECK: vst2.16	{d8, d9}, [r4], r6      
+0x8d 0x88 0x04 0xf4
+# CHECK: vst2.32	{d8, d9}, [r4]!         
+0x86 0x88 0x04 0xf4
+# CHECK: vst2.32	{d8, d9}, [r4], r6      
+0x0d 0x88 0x04 0xf4
+# CHECK: vst2.8	{d8, d9}, [r4]!         
+0x06 0x88 0x04 0xf4
+# CHECK: vst2.8	{d8, d9}, [r4], r6      
+
+0x4f 0x89 0x04 0xf4
+# CHECK: vst2.16	{d8, d10}, [r4]         
+0x8f 0x89 0x04 0xf4
+# CHECK: vst2.32	{d8, d10}, [r4]         
+0x0f 0x89 0x04 0xf4
+# CHECK: vst2.8	{d8, d10}, [r4]         
+
+0x0f 0x84 0x04 0xf4
+# CHECK: vst3.8	{d8, d9, d10}, [r4]     
+0x4f 0x84 0x04 0xf4
+# CHECK: vst3.16	{d8, d9, d10}, [r4]     
+0x8f 0x84 0x04 0xf4
+# CHECK: vst3.32	{d8, d9, d10}, [r4]     
+
+0x0f 0x80 0x04 0xf4
+# CHECK: vst4.8	{d8, d9, d10, d11}, [r4] 
+0x4f 0x80 0x04 0xf4
+# CHECK: vst4.16	{d8, d9, d10, d11}, [r4] 
+0x8f 0x80 0x04 0xf4
+# CHECK: vst4.32	{d8, d9, d10, d11}, [r4] 
+
+0x0f 0x85 0x04 0xf4
+# CHECK: vst3.8	{d8, d10, d12}, [r4]    
+0x4f 0x85 0x04 0xf4
+# CHECK: vst3.16	{d8, d10, d12}, [r4]    
+0x8f 0x85 0x04 0xf4
+# CHECK: vst3.32	{d8, d10, d12}, [r4]    
+
+0x0f 0x81 0x04 0xf4
+# CHECK: vst4.8	{d8, d10, d12, d14}, [r4] 
+0x4f 0x81 0x04 0xf4
+# CHECK: vst4.16	{d8, d10, d12, d14}, [r4] 
+0x8f 0x81 0x04 0xf4
+# CHECK: vst4.32	{d8, d10, d12, d14}, [r4] 
diff --git a/test/MC/Disassembler/ARM/neont2.txt b/test/MC/Disassembler/ARM/neont2.txt
index 7da4c89483e..f8e7dbe5474 100644
--- a/test/MC/Disassembler/ARM/neont2.txt
+++ b/test/MC/Disassembler/ARM/neont2.txt
@@ -1595,3 +1595,186 @@
 # CHECK vld2.8	{d17[], d19[]}, [r7, :16]!
 0xe7 0xf9 0x3f 0x1d
 # CHECK vld2.8	{d17[], d19[]}, [r7, :16]
+
+# rdar://11034702
+0x04 0xf9 0x0d 0x87
+# CHECK: vst1.8	{d8}, [r4]!             
+0x04 0xf9 0x4d 0x87
+# CHECK: vst1.16	{d8}, [r4]!             
+0x04 0xf9 0x8d 0x87
+# CHECK: vst1.32	{d8}, [r4]!             
+0x04 0xf9 0xcd 0x87
+# CHECK: vst1.64	{d8}, [r4]!             
+0x04 0xf9 0x06 0x87
+# CHECK: vst1.8	{d8}, [r4], r6          
+0x04 0xf9 0x46 0x87
+# CHECK: vst1.16	{d8}, [r4], r6          
+0x04 0xf9 0x86 0x87
+# CHECK: vst1.32	{d8}, [r4], r6          
+0x04 0xf9 0xc6 0x87
+# CHECK: vst1.64	{d8}, [r4], r6          
+
+0x04 0xf9 0x0d 0x8a
+# CHECK: vst1.8	{d8, d9}, [r4]!         
+0x04 0xf9 0x4d 0x8a
+# CHECK: vst1.16	{d8, d9}, [r4]!         
+0x04 0xf9 0x8d 0x8a
+# CHECK: vst1.32	{d8, d9}, [r4]!         
+0x04 0xf9 0xcd 0x8a
+# CHECK: vst1.64	{d8, d9}, [r4]!         
+0x04 0xf9 0x06 0x8a
+# CHECK: vst1.8	{d8, d9}, [r4], r6      
+0x04 0xf9 0x46 0x8a
+# CHECK: vst1.16	{d8, d9}, [r4], r6      
+0x04 0xf9 0x86 0x8a
+# CHECK: vst1.32	{d8, d9}, [r4], r6      
+0x04 0xf9 0xc6 0x8a
+# CHECK: vst1.64	{d8, d9}, [r4], r6      
+
+0x04 0xf9 0x0d 0x86
+# CHECK: vst1.8	{d8, d9, d10}, [r4]!    
+0x04 0xf9 0x4d 0x86
+# CHECK: vst1.16	{d8, d9, d10}, [r4]!    
+0x04 0xf9 0x8d 0x86
+# CHECK: vst1.32	{d8, d9, d10}, [r4]!    
+0x04 0xf9 0xcd 0x86
+# CHECK: vst1.64	{d8, d9, d10}, [r4]!    
+0x04 0xf9 0x06 0x86
+# CHECK: vst1.8	{d8, d9, d10}, [r4], r6 
+0x04 0xf9 0x46 0x86
+# CHECK: vst1.16	{d8, d9, d10}, [r4], r6 
+0x04 0xf9 0x86 0x86
+# CHECK: vst1.32	{d8, d9, d10}, [r4], r6 
+0x04 0xf9 0xc6 0x86
+# CHECK: vst1.64	{d8, d9, d10}, [r4], r6 
+
+0x04 0xf9 0x0d 0x82
+# CHECK: vst1.8	{d8, d9, d10, d11}, [r4]! 
+0x04 0xf9 0x4d 0x82
+# CHECK: vst1.16	{d8, d9, d10, d11}, [r4]! 
+0x04 0xf9 0x8d 0x82
+# CHECK: vst1.32	{d8, d9, d10, d11}, [r4]! 
+0x04 0xf9 0xcd 0x82
+# CHECK: vst1.64	{d8, d9, d10, d11}, [r4]! 
+0x04 0xf9 0x06 0x82
+# CHECK: vst1.8	{d8, d9, d10, d11}, [r4], r6 
+0x04 0xf9 0x46 0x82
+# CHECK: vst1.16	{d8, d9, d10, d11}, [r4], r6 
+0x04 0xf9 0x86 0x82
+# CHECK: vst1.32	{d8, d9, d10, d11}, [r4], r6 
+0x04 0xf9 0xc6 0x82
+# CHECK: vst1.64	{d8, d9, d10, d11}, [r4], r6 
+
+0x04 0xf9 0x0d 0x88
+# CHECK: vst2.8	{d8, d9}, [r4]!         
+0x04 0xf9 0x4d 0x88
+# CHECK: vst2.16	{d8, d9}, [r4]!         
+0x04 0xf9 0x8d 0x88
+# CHECK: vst2.32	{d8, d9}, [r4]!         
+0x04 0xf9 0x06 0x88
+# CHECK: vst2.8	{d8, d9}, [r4], r6      
+0x04 0xf9 0x46 0x88
+# CHECK: vst2.16	{d8, d9}, [r4], r6      
+0x04 0xf9 0x86 0x88
+# CHECK: vst2.32	{d8, d9}, [r4], r6      
+
+0x04 0xf9 0x0d 0x89
+# CHECK: vst2.8	{d8, d10}, [r4]!        
+0x04 0xf9 0x4d 0x89
+# CHECK: vst2.16	{d8, d10}, [r4]!        
+0x04 0xf9 0x8d 0x89
+# CHECK: vst2.32	{d8, d10}, [r4]!        
+0x04 0xf9 0x06 0x89
+# CHECK: vst2.8	{d8, d10}, [r4], r6     
+0x04 0xf9 0x46 0x89
+# CHECK: vst2.16	{d8, d10}, [r4], r6     
+0x04 0xf9 0x86 0x89
+# CHECK: vst2.32	{d8, d10}, [r4], r6     
+
+0x04 0xf9 0x0d 0x84
+# CHECK: vst3.8	{d8, d9, d10}, [r4]!    
+0x04 0xf9 0x4d 0x84
+# CHECK: vst3.16	{d8, d9, d10}, [r4]!    
+0x04 0xf9 0x8d 0x84
+# CHECK: vst3.32	{d8, d9, d10}, [r4]!    
+0x04 0xf9 0x06 0x85
+# CHECK: vst3.8	{d8, d10, d12}, [r4], r6 
+0x04 0xf9 0x46 0x85
+# CHECK: vst3.16	{d8, d10, d12}, [r4], r6 
+0x04 0xf9 0x86 0x85
+# CHECK: vst3.32	{d8, d10, d12}, [r4], r6 
+
+0x04 0xf9 0x0d 0x80
+# CHECK: vst4.8	{d8, d9, d10, d11}, [r4]!
+0x04 0xf9 0x4d 0x80
+# CHECK: vst4.16	{d8, d9, d10, d11}, [r4]!
+0x04 0xf9 0x8d 0x80
+# CHECK: vst4.32	{d8, d9, d10, d11}, [r4]!
+0x04 0xf9 0x06 0x81
+# CHECK: vst4.8	{d8, d10, d12, d14}, [r4], r6
+0x04 0xf9 0x46 0x81
+# CHECK: vst4.16	{d8, d10, d12, d14}, [r4], r6
+0x04 0xf9 0x86 0x81
+# CHECK: vst4.32	{d8, d10, d12, d14}, [r4], r6
+
+0x04 0xf9 0x4f 0x8a
+# CHECK: vst1.16	{d8, d9}, [r4]          
+0x04 0xf9 0x8f 0x8a
+# CHECK: vst1.32	{d8, d9}, [r4]          
+0x04 0xf9 0xcf 0x8a
+# CHECK: vst1.64	{d8, d9}, [r4]          
+0x04 0xf9 0x0f 0x8a
+# CHECK: vst1.8	{d8, d9}, [r4]          
+0x04 0xf9 0x4f 0x88
+# CHECK: vst2.16	{d8, d9}, [r4]          
+0x04 0xf9 0x8f 0x88
+# CHECK: vst2.32	{d8, d9}, [r4]          
+0x04 0xf9 0x0f 0x88
+# CHECK: vst2.8	{d8, d9}, [r4]          
+0x04 0xf9 0x4d 0x88
+# CHECK: vst2.16	{d8, d9}, [r4]!         
+0x04 0xf9 0x46 0x88
+# CHECK: vst2.16	{d8, d9}, [r4], r6      
+0x04 0xf9 0x8d 0x88
+# CHECK: vst2.32	{d8, d9}, [r4]!         
+0x04 0xf9 0x86 0x88
+# CHECK: vst2.32	{d8, d9}, [r4], r6      
+0x04 0xf9 0x0d 0x88
+# CHECK: vst2.8	{d8, d9}, [r4]!         
+0x04 0xf9 0x06 0x88
+# CHECK: vst2.8	{d8, d9}, [r4], r6      
+
+0x04 0xf9 0x4f 0x89
+# CHECK: vst2.16	{d8, d10}, [r4]        
+0x04 0xf9 0x8f 0x89
+# CHECK: vst2.32	{d8, d10}, [r4]        
+0x04 0xf9 0x0f 0x89
+# CHECK: vst2.8	{d8, d10}, [r4]        
+
+0x04 0xf9 0x0f 0x84
+# CHECK: vst3.8	{d8, d9, d10}, [r4]    
+0x04 0xf9 0x4f 0x84
+# CHECK: vst3.16	{d8, d9, d10}, [r4]    
+0x04 0xf9 0x8f 0x84
+# CHECK: vst3.32	{d8, d9, d10}, [r4]    
+
+0x04 0xf9 0x0f 0x80
+# CHECK: vst4.8	{d8, d9, d10, d11}, [r4]
+0x04 0xf9 0x4f 0x80
+# CHECK: vst4.16	{d8, d9, d10, d11}, [r4]
+0x04 0xf9 0x8f 0x80
+# CHECK: vst4.32	{d8, d9, d10, d11}, [r4]
+
+0x04 0xf9 0x0f 0x85
+# CHECK: vst3.8	{d8, d10, d12}, [r4]   
+0x04 0xf9 0x4f 0x85
+# CHECK: vst3.16	{d8, d10, d12}, [r4]   
+0x04 0xf9 0x8f 0x85
+# CHECK: vst3.32	{d8, d10, d12}, [r4]   
+
+0x04 0xf9 0x0f 0x81
+# CHECK: vst4.8	{d8, d10, d12, d14}, [r4]
+0x04 0xf9 0x4f 0x81
+# CHECK: vst4.16	{d8, d10, d12, d14}, [r4]
+0x04 0xf9 0x8f 0x81
+# CHECK: vst4.32	{d8, d10, d12, d14}, [r4]
-- 
2.34.1