[DynInst_API:] [dyninst/dyninst] 4f4894: Fix vector instruction lengths

[kupsch <noreply@xxxxxxxxxx>]

  Branch: refs/heads/kupsch/fix-vector-instruction-lengths
  Home:   https://github.com/dyninst/dyninst
  Commit: 4f48944de13a6e4c0130958b8787f615a1c7e653
      https://github.com/dyninst/dyninst/commit/4f48944de13a6e4c0130958b8787f615a1c7e653
  Author: James A. Kupsch <kupsch@xxxxxxxxxxx>
  Date:   2023-06-08 (Thu, 08 Jun 2023)

  Changed paths:
    M common/src/arch-x86.C

  Log Message:
  -----------
  Fix vector instruction lengths

The following instruction decoded with the wrong length if the modrm operand
specified a memory access as all the operand was incorrectly specified to be a
register only operand:

- vcvtpd2udq
- vcvtss2usi
- vcvttpd2qq
- vcvtudq2pd
- vcvtudq2ps
- vpblendd
- vpermpd