/* $OpenBSD: fpgetmask.S,v 1.3 2018/07/03 23:14:05 mortimer Exp $ */ /* $NetBSD: fpgetmask.S,v 1.3 2002/06/12 19:17:22 fvdl Exp $ */ /* * Written by J.T. Conklin, Apr 4, 1995 * Public domain. */ #include /* * XXX only read x87 control word here. If an application only * uses the fp* interface to manipulate FP bits, it should * always remain in sync with the SSE mxcsr register. */ #ifdef WEAK_ALIAS WEAK_ALIAS(fpgetmask, _fpgetmask) ENTRY(_fpgetmask) #else ENTRY(fpgetmask) #endif RETGUARD_SETUP(fpgetmask, r11) fnstcw -4(%rsp) movl -4(%rsp),%eax notl %eax andl $63,%eax RETGUARD_CHECK(fpgetmask, r11) ret #ifdef WEAK_ALIAS END(_fpgetmask) #else END(fpgetmask) #endif