[llvm] r179854 - ARM: Permit "sp" in ARM variant of STREXD instructions

[Tim Northover]

Author: tnorthover
Date: Fri Apr 19 10:44:32 2013
New Revision: 179854

URL: http://llvm.org/viewvc/llvm-project?rev=179854&view=rev
Log:
ARM: Permit "sp" in ARM variant of STREXD instructions

Patch from Mihail Popa

Modified:
    llvm/trunk/lib/Target/ARM/Disassembler/ARMDisassembler.cpp
    llvm/trunk/test/MC/Disassembler/ARM/basic-arm-instructions.txt

Modified: llvm/trunk/lib/Target/ARM/Disassembler/ARMDisassembler.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/Disassembler/ARMDisassembler.cpp?rev=179854&r1=179853&r2=179854&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/Disassembler/ARMDisassembler.cpp (original)
+++ llvm/trunk/lib/Target/ARM/Disassembler/ARMDisassembler.cpp Fri Apr 19 10:44:32 2013
@@ -3573,7 +3573,7 @@ static DecodeStatus DecodeDoubleRegStore
   unsigned Rn = fieldFromInstruction(Insn, 16, 4);
   unsigned pred = fieldFromInstruction(Insn, 28, 4);
 
-  if (!Check(S, DecoderGPRRegisterClass(Inst, Rd, Address, Decoder)))
+  if (!Check(S, DecodeGPRnopcRegisterClass(Inst, Rd, Address, Decoder)))
     return MCDisassembler::Fail;
 
   if ((Rt & 1) || Rt == 0xE || Rn == 0xF) return MCDisassembler::Fail;

Modified: llvm/trunk/test/MC/Disassembler/ARM/basic-arm-instructions.txt
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/Disassembler/ARM/basic-arm-instructions.txt?rev=179854&r1=179853&r2=179854&view=diff
==============================================================================
--- llvm/trunk/test/MC/Disassembler/ARM/basic-arm-instructions.txt (original)
+++ llvm/trunk/test/MC/Disassembler/ARM/basic-arm-instructions.txt Fri Apr 19 10:44:32 2013
@@ -1823,12 +1823,13 @@
 # CHECK: strexh  r4, r2, [r5
 # CHECK: strex  r2, r1, [r7
 # CHECK: strexd  r6, r2, r3, [r8
+# CHECK: strexd  sp, r0, r1, [r0]
 
 0x93 0x1f 0xc4 0xe1
 0x92 0x4f 0xe5 0xe1
 0x91 0x2f 0x87 0xe1
 0x92 0x6f 0xa8 0xe1
-
+0x90 0xdf 0xa0 0xe1
 
 #------------------------------------------------------------------------------
 # SUB