Index: src/libcfa/concurrency/invoke.c
===================================================================
--- src/libcfa/concurrency/invoke.c	(revision ffc3b26efde87fa75bb6274c1b7a445bacd98e78)
+++ src/libcfa/concurrency/invoke.c	(revision 8761006c981bbfe64fdcd4be1180bdefc3e3578b)
@@ -122,7 +122,6 @@
       ((struct FakeStack *)(((struct machine_context_t *)stack->context)->SP))->fixedRegisters[0] = this;
       ((struct FakeStack *)(((struct machine_context_t *)stack->context)->SP))->fixedRegisters[1] = invoke;
-      ((struct FakeStack *)(((struct machine_context_t *)stack->context)->SP))->mxcr = 0; //SSE control word must be zeroed out to be valid
-      // ((struct FakeStack *)(((struct machine_context_t *)stack->context)->SP))->fcw = 0x34;
-      // ((struct FakeStack *)(((struct machine_context_t *)stack->context)->SP))->padding = 0x56;
+      ((struct FakeStack *)(((struct machine_context_t *)stack->context)->SP))->mxcr = 0x1F80; //Vol. 2A 3-520
+      ((struct FakeStack *)(((struct machine_context_t *)stack->context)->SP))->fcw = 0x037F;  //Vol. 1 8-7 
 #else
       #error Only __i386__ and __x86_64__ is supported for threads in cfa