http://llvm.org/bugs/show_bug.cgi?id=20338
Bug ID: 20338
Summary: Wrong disassembly of MOV64mr with 32 bit operand
Product: libraries
Version: trunk
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: Backend: X86
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
mov qword ptr [eax], rcx
disassembles as:
67 48 89 08 mov dword ptr [eax], rcx
given:
llvm-mc -x86-asm-syntax=intel -filetype=obj -o object.o wrong-disasm.s
&& llvm-objdump -x86-asm-syntax=intel -d object.o
During disassembly, we incorrectly create a MOV32mr opcode instead of the
MOV64mr that we're supposed to create.
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