X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Fruntime%2Fx86-64-bsd-os.c;h=8c545036f3211f2b977fa932a4812f1e0db200f1;hb=dd04bd449535e9016b5652a708a3cac2ca24c87d;hp=93dec52e46a35da39a81e205a1ef33a9dcdf0eb5;hpb=9184392783512f76eb971b7e316c875e2a1eb94c;p=sbcl.git

diff --git a/src/runtime/x86-64-bsd-os.c b/src/runtime/x86-64-bsd-os.c
index 93dec52..8c54503 100644
--- a/src/runtime/x86-64-bsd-os.c
+++ b/src/runtime/x86-64-bsd-os.c
@@ -8,6 +8,10 @@
 #include <machine/fpu.h>
 #endif
 
+#if defined(LISP_FEATURE_OPENBSD)
+#include <machine/fpu.h>
+#endif
+
 #ifdef LISP_FEATURE_MACH_EXCEPTION_HANDLER
 #include <mach/mach.h>
 
@@ -182,3 +186,16 @@ os_restore_fp_control(os_context_t *context)
     asm ("fldcw %0" : : "m" (ex->en_cw));
 }
 #endif
+
+#if defined(LISP_FEATURE_OPENBSD)
+void
+os_restore_fp_control(os_context_t *context)
+{
+    if (context->sc_fpstate != NULL) {
+        u_int32_t mxcsr = context->sc_fpstate->fx_mxcsr & ~0x3F;
+        u_int16_t cw = context->sc_fpstate->fx_fcw;
+        asm ("ldmxcsr %0" : : "m" (mxcsr));
+        asm ("fldcw %0" : : "m" (cw));
+    }
+}
+#endif