UWRMSR
APX APX_F_USER_MSR x86_64
5 encoding forms.
X86_UWRMSR_X86_LEGACY_0F38_F8_472148
r64, r64
XED_UWRMSR_GPR64u64_GPR64u64
REG0=GPR64_R():r:q:u64 REG1=GPR64_B():r:q:u64 REG2=XED_REG_MSRS:w:SUPP
XED_UWRMSR_GPR64u64_GPR64u64_APX
REG0=GPR64_R():r:q:u64 REG1=GPR64_B():r:q:u64 REG2=XED_REG_MSRS:w:SUPP
XED_UWRMSR_IMM32_GPR64u64
IMM0:r:d REG0=VGPR64_B():r:q:u64 REG1=XED_REG_MSRS:w:SUPP
XED_UWRMSR_IMM32_GPR64u64_APX
IMM0:r:d REG0=GPR64_B():r:q:u64 REG1=XED_REG_MSRS:w:SUPP