+
+#if defined(LISP_FEATURE_OPENBSD)
+void
+os_restore_fp_control(os_context_t *context)
+{
+#ifdef OS_OPENBSD_FPSTATE_IN_SIGFRAME
+ struct sigframe *frame = (struct sigframe *)((char*)context -
+ offsetof(struct sigframe, sf_sc));
+ union savefpu *fpu = frame->sf_fpstate;
+#elif defined(OS_OPENBSD_FPSTATE_IN_SIGCONTEXT)
+ union savefpu *fpu = context->sc_fpstate;
+#endif
+
+ if (openbsd_use_fxsave)
+ __asm__ __volatile__ ("fldcw %0" : : "m" (fpu->sv_xmm.sv_env.en_cw));
+ else
+ __asm__ __volatile__ ("fldcw %0" : : "m" (fpu->sv_87.sv_env.en_cw));
+}
+#endif