add Java lockfree hashtable

[cdsspec-compiler.git] / benchmark / chase-lev-deque-bugfix / deque.c

diff --git a/benchmark/chase-lev-deque-bugfix/deque.c b/benchmark/chase-lev-deque-bugfix/deque.c
index 7c326560746464e35eff2db47416c4ea066063f3..1ebeb135c3cee5c456133794b2f83bcf1030419d 100644 (file)
--- a/benchmark/chase-lev-deque-bugfix/deque.c
+++ b/benchmark/chase-lev-deque-bugfix/deque.c
@@ -45,11 +45,12 @@ int take(Deque *q) {
                */
                if (t == b) {
                        /* Single last element in queue. */
+                       //FIXME: weaken the following seq_cst causes no spec problem
                        bool succ = atomic_compare_exchange_strong_explicit(&q->top, &t, t +
                                1, memory_order_seq_cst, memory_order_relaxed);
                        /**
                                @Begin
-                               @Commit_point_define_check: succ
+                               @Commit_point_define_check: true
                                @Label: Take_Point3
                                @End
                        */
@@ -78,6 +79,7 @@ void resize(Deque *q) {
        for(i=top; i < bottom; i++) {
                atomic_store_explicit(&new_a->buffer[i % new_size], atomic_load_explicit(&a->buffer[i % size], memory_order_relaxed), memory_order_relaxed);
        }
+       /**** FIXME: detected failure ****/
        atomic_store_explicit(&q->array, new_a, memory_order_release);
        printf("resize\n");
 }
@@ -89,6 +91,7 @@ void resize(Deque *q) {
 */
 void push(Deque *q, int x) {
        size_t b = atomic_load_explicit(&q->bottom, memory_order_relaxed);
+       /**** FIXME: detected correctness ****/
        size_t t = atomic_load_explicit(&q->top, memory_order_acquire);
        Array *a = (Array *) atomic_load_explicit(&q->array, memory_order_relaxed);
        if (b - t > atomic_load_explicit(&a->size, memory_order_relaxed) - 1) /* Full queue. */ {
@@ -116,6 +119,7 @@ void push(Deque *q, int x) {
        @End
 */
 int steal(Deque *q) {
+       //FIXME: weaken the following acquire causes no spec problem
        size_t t = atomic_load_explicit(&q->top, memory_order_acquire);
        atomic_thread_fence(memory_order_seq_cst);
        size_t b = atomic_load_explicit(&q->bottom, memory_order_acquire);
@@ -143,7 +147,7 @@ int steal(Deque *q) {
                /**
                        @Begin
                        @Commit_point_define_check: !succ
-                       @Label: Steal_Point4
+                       @Label: Steal_Point2
                        @End
                */