Changes in src/libcfa/concurrency/invoke.c [0c92c9f:8761006c]

File:

• src/libcfa/concurrency/invoke.c (modified) (2 diffs)

src/libcfa/concurrency/invoke.c

@@ -109 +109 @@
       struct FakeStack {
             void *fixedRegisters[5];                    // fixed registers rbx, r12, r13, r14, r15
-            void *rturn;                                        // where to go on return from uSwitch
+            uint32_t mxcr;                                  // SSE Status and Control bits (control bits are preserved across function calls)
+            uint16_t fcw;                                   // X97 FPU control word (preserved across function calls)
+            void *rturn;                                      // where to go on return from uSwitch
             void *dummyReturn;                          // NULL return address to provide proper alignment
       };
@@ -120 +122 @@
       ((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 = 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