http://llvm.org/bugs/show_bug.cgi?id=10572
Summary: [ARM disasm] PC-relative LDR with negative offset is
disassembled incorrectly
Product: new-bugs
Version: trunk
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P
Component: new bugs
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
LLVM disassembles the opcode
e51f5134
as
ldr r5, [pc, #4404]
This cannot be correct, as offsets range from -4095 to 4095. In fact the imm12
value in the opcode is 308 and the U bit is set, so this instruction should be
decoded as
ldr r5, [pc, #-308]
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