[Nasm-bugs] [Bug 3392369] New: vmovdqa wrong operand size

no-reply at bugzilla-nasm.gorcunov.org no-reply at bugzilla-nasm.gorcunov.org
Sun Oct 23 07:34:51 PDT 2016


            Bug ID: 3392369
           Summary: vmovdqa wrong operand size
           Product: NASM
           Version: 2.12.xx
          Hardware: All
                OS: All
            Status: OPEN
          Severity: normal
          Priority: Medium
         Component: Assembler
          Assignee: nobody at nasm.us
          Reporter: agner at agner.org
                CC: gorcunov at gmail.com, hpa at zytor.com, nasm-bugs at nasm.us

Cannot assemble this line:

   vmovdqa ymm1, yword [rdi]

Gives the error message: mismatch in operand sizes

However, the following lines assemble ok:

vmovdqu ymm1, yword [rdi]
vmovdqa yword [rdi], ymm1
vmovdqa32 zmm1, zword [rdi]
vmovdqa32 zword [rdi], zmm1

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