[Lldb-commits] [lldb] e80dbfd - [LLDB][Reliability] Fix register value unpacking

[Slava Gurevich via lldb-commits]

Author: Slava Gurevich
Date: 2022-07-26T00:22:40-07:00
New Revision: e80dbfddc5aa567aea0a974708af4122c2b49829

URL: https://github.com/llvm/llvm-project/commit/e80dbfddc5aa567aea0a974708af4122c2b49829
DIFF: https://github.com/llvm/llvm-project/commit/e80dbfddc5aa567aea0a974708af4122c2b49829.diff

LOG: [LLDB][Reliability] Fix register value unpacking

Fix incorrect direction for bit-shifting.

Coverity warning 1355603 (scan.coverity.com)

Differential Revision: https://reviews.llvm.org/D130307

Added: 
    

Modified: 
    lldb/source/Plugins/Instruction/ARM/EmulationStateARM.cpp

Removed: 
    


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diff  --git a/lldb/source/Plugins/Instruction/ARM/EmulationStateARM.cpp b/lldb/source/Plugins/Instruction/ARM/EmulationStateARM.cpp
index 569482c7b23b1..32430cd96d15a 100644
--- a/lldb/source/Plugins/Instruction/ARM/EmulationStateARM.cpp
+++ b/lldb/source/Plugins/Instruction/ARM/EmulationStateARM.cpp
@@ -97,7 +97,7 @@ uint64_t EmulationStateARM::ReadPseudoRegisterValue(uint32_t reg_num,
     uint32_t idx = reg_num - dwarf_d0;
     if (idx < 16)
       value = (uint64_t)m_vfp_regs.s_regs[idx * 2] |
-              ((uint64_t)m_vfp_regs.s_regs[idx * 2 + 1] >> 32);
+              ((uint64_t)m_vfp_regs.s_regs[idx * 2 + 1] << 32);
     else
       value = m_vfp_regs.d_regs[idx - 16];
   } else