Re: [PATCH 1/2] ntdll/tests: Add SIMD exception test for floating point invalid operation fault (try 3).

[Alexandre Julliard]

Qian Hong  writes:
> Try 3:
> - Correctly revert side effect of previous ldmxcsr, change 0x200 to
>
> 0x80, 0x80 & 0xff7f = 0, 0x200 & 0xfdff = 0.

It would be even better to restore the original value, without making
assumptions about the previous contents.